Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc and other driver updates from Greg KH: "Here is the big set of char/misc and other small driver subsystem updates for 5.18-rc1. Included in here are merges from driver subsystems which contain: - iio driver updates and new drivers - fsi driver updates - fpga driver updates - habanalabs driver updates and support for new hardware - soundwire driver updates and new drivers - phy driver updates and new drivers - coresight driver updates - icc driver updates Individual changes include: - mei driver updates - interconnect driver updates - new PECI driver subsystem added - vmci driver updates - lots of tiny misc/char driver updates All of these have been in linux-next for a while with no reported problems" * tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (556 commits) firmware: google: Properly state IOMEM dependency kgdbts: fix return value of __setup handler firmware: sysfb: fix platform-device leak in error path firmware: stratix10-svc: add missing callback parameter on RSU arm64: dts: qcom: add non-secure domain property to fastrpc nodes misc: fastrpc: Add dma handle implementation misc: fastrpc: Add fdlist implementation misc: fastrpc: Add helper function to get list and page misc: fastrpc: Add support to secure memory map dt-bindings: misc: add fastrpc domain vmid property misc: fastrpc: check before loading process to the DSP misc: fastrpc: add secure domain support dt-bindings: misc: add property to support non-secure DSP misc: fastrpc: Add support to get DSP capabilities misc: fastrpc: add support for FASTRPC_IOCTL_MEM_MAP/UNMAP misc: fastrpc: separate fastrpc device from channel context dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells dt-bindings: nvmem: make "reg" property optional nvmem: brcm_nvram: parse NVRAM content into NVMEM cells nvmem: dt-bindings: Fix the error of dt-bindings check ...
author: Linus Torvalds 2022-03-28 12:27:35 -0700
committer: Linus Torvalds 2022-03-28 12:27:35 -0700
commit: 02e2af20f4f9f2aa0c84e9a30a35c02f0fbb7daa (patch)
tree: d126449a7d2ea2270627183f7cebd726fbe56a9d /drivers/iio
parent: ff61bc81b3feebcef4d0431a92e2e40e8d4fe8b3 (diff)
parent: 37fd83916da2e4cae03d350015c82a67b1b334c4 (diff)
259 files changed, 10946 insertions, 1779 deletions
diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig
index 49587c992a6d..eac3f02662ae 100644
--- a/drivers/iio/accel/Kconfig
+++ b/drivers/iio/accel/Kconfig
@@ -123,6 +123,33 @@ config ADXL355_SPI
 	  will be called adxl355_spi and you will also get adxl355_core
 	  for the core module.
 
+config ADXL367
+	tristate
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
+
+config ADXL367_SPI
+	tristate "Analog Devices ADXL367 3-Axis Accelerometer SPI Driver"
+	depends on SPI
+	select ADXL367
+	select REGMAP_SPI
+	help
+	  Say yes here to add support for the Analog Devices ADXL367 triaxial
+	  acceleration sensor.
+	  To compile this driver as a module, choose M here: the
+	  module will be called adxl367_spi.
+
+config ADXL367_I2C
+	tristate "Analog Devices ADXL367 3-Axis Accelerometer I2C Driver"
+	depends on I2C
+	select ADXL367
+	select REGMAP_I2C
+	help
+	  Say yes here to add support for the Analog Devices ADXL367 triaxial
+	  acceleration sensor.
+	  To compile this driver as a module, choose M here: the
+	  module will be called adxl367_i2c.
+
 config ADXL372
 	tristate
 	select IIO_BUFFER
@@ -349,8 +376,6 @@ config IIO_ST_ACCEL_3AXIS
 	depends on !SENSORS_LIS3_I2C
 	depends on !SENSORS_LIS3_SPI
 	select IIO_ST_SENSORS_CORE
-	select IIO_ST_ACCEL_I2C_3AXIS if (I2C)
-	select IIO_ST_ACCEL_SPI_3AXIS if (SPI_MASTER)
 	select IIO_TRIGGERED_BUFFER if (IIO_BUFFER)
 	help
 	  Say yes here to build support for STMicroelectronics accelerometers:
@@ -358,23 +383,30 @@ config IIO_ST_ACCEL_3AXIS
 	  LIS331DLH, LSM303DL, LSM303DLM, LSM330, LIS2DH12, H3LIS331DL,
 	  LNG2DM, LIS3DE, LIS2DE12, LIS2HH12
 
-	  This driver can also be built as a module. If so, these modules
-	  will be created:
-	  - st_accel (core functions for the driver [it is mandatory]);
-	  - st_accel_i2c (necessary for the I2C devices [optional*]);
-	  - st_accel_spi (necessary for the SPI devices [optional*]);
-
-	  (*) one of these is necessary to do something.
+	  Also need to enable at least one of I2C and SPI interface drivers
+	  below.
 
 config IIO_ST_ACCEL_I2C_3AXIS
-	tristate
-	depends on IIO_ST_ACCEL_3AXIS
-	depends on IIO_ST_SENSORS_I2C
+	tristate "STMicroelectronics accelerometers 3-Axis I2C Interface"
+	depends on I2C && IIO_ST_ACCEL_3AXIS
+	default I2C && IIO_ST_ACCEL_3AXIS
+	select IIO_ST_SENSORS_I2C
+	help
+	  Build support for STMicroelectronics accelerometers I2C interface.
+
+	  To compile this driver as a module, choose M here. The module
+	  will be called st_accel_i2c.
 
 config IIO_ST_ACCEL_SPI_3AXIS
-	tristate
-	depends on IIO_ST_ACCEL_3AXIS
-	depends on IIO_ST_SENSORS_SPI
+	tristate "STMicroelectronics accelerometers 3-Axis SPI Interface"
+	depends on SPI_MASTER && IIO_ST_ACCEL_3AXIS
+	default SPI_MASTER && IIO_ST_ACCEL_3AXIS
+	select IIO_ST_SENSORS_SPI
+	help
+	  Build support for STMicroelectronics accelerometers SPI interface.
+
+	  To compile this driver as a module, choose M here. The module
+	  will be called st_accel_spi.
 
 config KXSD9
 	tristate "Kionix KXSD9 Accelerometer Driver"
diff --git a/drivers/iio/accel/Makefile b/drivers/iio/accel/Makefile
index d03e2f6bba08..4d8792668838 100644
--- a/drivers/iio/accel/Makefile
+++ b/drivers/iio/accel/Makefile
@@ -15,6 +15,9 @@ obj-$(CONFIG_ADXL345_SPI) += adxl345_spi.o
 obj-$(CONFIG_ADXL355) += adxl355_core.o
 obj-$(CONFIG_ADXL355_I2C) += adxl355_i2c.o
 obj-$(CONFIG_ADXL355_SPI) += adxl355_spi.o
+obj-$(CONFIG_ADXL367) += adxl367.o
+obj-$(CONFIG_ADXL367_I2C) += adxl367_i2c.o
+obj-$(CONFIG_ADXL367_SPI) += adxl367_spi.o
 obj-$(CONFIG_ADXL372) += adxl372.o
 obj-$(CONFIG_ADXL372_I2C) += adxl372_i2c.o
 obj-$(CONFIG_ADXL372_SPI) += adxl372_spi.o
diff --git a/drivers/iio/accel/adis16201.c b/drivers/iio/accel/adis16201.c
index 7a434e2884d4..dfb8e2e5bdf5 100644
--- a/drivers/iio/accel/adis16201.c
+++ b/drivers/iio/accel/adis16201.c
@@ -300,3 +300,4 @@ MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
 MODULE_DESCRIPTION("Analog Devices ADIS16201 Dual-Axis Digital Inclinometer and Accelerometer");
 MODULE_LICENSE("GPL v2");
 MODULE_ALIAS("spi:adis16201");
+MODULE_IMPORT_NS(IIO_ADISLIB);
diff --git a/drivers/iio/accel/adis16209.c b/drivers/iio/accel/adis16209.c
index ac08e866d612..5a9c6e2296f1 100644
--- a/drivers/iio/accel/adis16209.c
+++ b/drivers/iio/accel/adis16209.c
@@ -310,3 +310,4 @@ MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
 MODULE_DESCRIPTION("Analog Devices ADIS16209 Dual-Axis Digital Inclinometer and Accelerometer");
 MODULE_LICENSE("GPL v2");
 MODULE_ALIAS("spi:adis16209");
+MODULE_IMPORT_NS(IIO_ADISLIB);
diff --git a/drivers/iio/accel/adxl313_core.c b/drivers/iio/accel/adxl313_core.c
index 0d243341f1a7..9e4193e64765 100644
--- a/drivers/iio/accel/adxl313_core.c
+++ b/drivers/iio/accel/adxl313_core.c
@@ -26,7 +26,7 @@ const struct regmap_access_table adxl313_readable_regs_table = {
 	.yes_ranges = adxl313_readable_reg_range,
 	.n_yes_ranges = ARRAY_SIZE(adxl313_readable_reg_range),
 };
-EXPORT_SYMBOL_GPL(adxl313_readable_regs_table);
+EXPORT_SYMBOL_NS_GPL(adxl313_readable_regs_table, IIO_ADXL313);
 
 static const struct regmap_range adxl313_writable_reg_range[] = {
 	regmap_reg_range(ADXL313_REG_SOFT_RESET, ADXL313_REG_SOFT_RESET),
@@ -41,7 +41,7 @@ const struct regmap_access_table adxl313_writable_regs_table = {
 	.yes_ranges = adxl313_writable_reg_range,
 	.n_yes_ranges = ARRAY_SIZE(adxl313_writable_reg_range),
 };
-EXPORT_SYMBOL_GPL(adxl313_writable_regs_table);
+EXPORT_SYMBOL_NS_GPL(adxl313_writable_regs_table, IIO_ADXL313);
 
 struct adxl313_data {
 	struct regmap	*regmap;
@@ -325,7 +325,7 @@ int adxl313_core_probe(struct device *dev,
 
 	return devm_iio_device_register(dev, indio_dev);
 }
-EXPORT_SYMBOL_GPL(adxl313_core_probe);
+EXPORT_SYMBOL_NS_GPL(adxl313_core_probe, IIO_ADXL313);
 
 MODULE_AUTHOR("Lucas Stankus <lucas.p.stankus@gmail.com>");
 MODULE_DESCRIPTION("ADXL313 3-Axis Digital Accelerometer core driver");
diff --git a/drivers/iio/accel/adxl313_i2c.c b/drivers/iio/accel/adxl313_i2c.c
index 82e9fb2db1e6..c329765dbf60 100644
--- a/drivers/iio/accel/adxl313_i2c.c
+++ b/drivers/iio/accel/adxl313_i2c.c
@@ -64,3 +64,4 @@ module_i2c_driver(adxl313_i2c_driver);
 MODULE_AUTHOR("Lucas Stankus <lucas.p.stankus@gmail.com>");
 MODULE_DESCRIPTION("ADXL313 3-Axis Digital Accelerometer I2C driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ADXL313);
diff --git a/drivers/iio/accel/adxl313_spi.c b/drivers/iio/accel/adxl313_spi.c
index a6162f36ef52..a3c6d553462d 100644
--- a/drivers/iio/accel/adxl313_spi.c
+++ b/drivers/iio/accel/adxl313_spi.c
@@ -90,3 +90,4 @@ module_spi_driver(adxl313_spi_driver);
 MODULE_AUTHOR("Lucas Stankus <lucas.p.stankus@gmail.com>");
 MODULE_DESCRIPTION("ADXL313 3-Axis Digital Accelerometer SPI driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ADXL313);
diff --git a/drivers/iio/accel/adxl345.h b/drivers/iio/accel/adxl345.h
index af0fdd02c4f2..d7e67cb08538 100644
--- a/drivers/iio/accel/adxl345.h
+++ b/drivers/iio/accel/adxl345.h
@@ -9,11 +9,10 @@
 #define _ADXL345_H_
 
 enum adxl345_device_type {
-	ADXL345,
-	ADXL375,
+	ADXL345	= 1,
+	ADXL375 = 2,
 };
 
-int adxl345_core_probe(struct device *dev, struct regmap *regmap,
-		       enum adxl345_device_type type, const char *name);
+int adxl345_core_probe(struct device *dev, struct regmap *regmap);
 
 #endif /* _ADXL345_H_ */
diff --git a/drivers/iio/accel/adxl345_core.c b/drivers/iio/accel/adxl345_core.c
index 4b275051ef61..370bfec1275a 100644
--- a/drivers/iio/accel/adxl345_core.c
+++ b/drivers/iio/accel/adxl345_core.c
@@ -8,6 +8,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/property.h>
 #include <linux/regmap.h>
 
 #include <linux/iio/iio.h>
@@ -194,7 +195,7 @@ static IIO_CONST_ATTR_SAMP_FREQ_AVAIL(
 
 static struct attribute *adxl345_attrs[] = {
 	&iio_const_attr_sampling_frequency_available.dev_attr.attr,
-	NULL,
+	NULL
 };
 
 static const struct attribute_group adxl345_attrs_group = {
@@ -208,30 +209,44 @@ static const struct iio_info adxl345_info = {
 	.write_raw_get_fmt	= adxl345_write_raw_get_fmt,
 };
 
+static int adxl345_powerup(void *regmap)
+{
+	return regmap_write(regmap, ADXL345_REG_POWER_CTL, ADXL345_POWER_CTL_MEASURE);
+}
+
 static void adxl345_powerdown(void *regmap)
 {
 	regmap_write(regmap, ADXL345_REG_POWER_CTL, ADXL345_POWER_CTL_STANDBY);
 }
 
-int adxl345_core_probe(struct device *dev, struct regmap *regmap,
-		       enum adxl345_device_type type, const char *name)
+int adxl345_core_probe(struct device *dev, struct regmap *regmap)
 {
+	enum adxl345_device_type type;
 	struct adxl345_data *data;
 	struct iio_dev *indio_dev;
+	const char *name;
 	u32 regval;
 	int ret;
 
-	ret = regmap_read(regmap, ADXL345_REG_DEVID, &regval);
-	if (ret < 0) {
-		dev_err(dev, "Error reading device ID: %d\n", ret);
-		return ret;
+	type = (uintptr_t)device_get_match_data(dev);
+	switch (type) {
+	case ADXL345:
+		name = "adxl345";
+		break;
+	case ADXL375:
+		name = "adxl375";
+		break;
+	default:
+		return -EINVAL;
 	}
 
-	if (regval != ADXL345_DEVID) {
-		dev_err(dev, "Invalid device ID: %x, expected %x\n",
-			regval, ADXL345_DEVID);
-		return -ENODEV;
-	}
+	ret = regmap_read(regmap, ADXL345_REG_DEVID, &regval);
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "Error reading device ID\n");
+
+	if (regval != ADXL345_DEVID)
+		return dev_err_probe(dev, -ENODEV, "Invalid device ID: %x, expected %x\n",
+				     regval, ADXL345_DEVID);
 
 	indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
 	if (!indio_dev)
@@ -245,10 +260,8 @@ int adxl345_core_probe(struct device *dev, struct regmap *regmap,
 
 	ret = regmap_write(data->regmap, ADXL345_REG_DATA_FORMAT,
 			   data->data_range);
-	if (ret < 0) {
-		dev_err(dev, "Failed to set data range: %d\n", ret);
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "Failed to set data range\n");
 
 	indio_dev->name = name;
 	indio_dev->info = &adxl345_info;
@@ -257,12 +270,9 @@ int adxl345_core_probe(struct device *dev, struct regmap *regmap,
 	indio_dev->num_channels = ARRAY_SIZE(adxl345_channels);
 
 	/* Enable measurement mode */
-	ret = regmap_write(data->regmap, ADXL345_REG_POWER_CTL,
-			   ADXL345_POWER_CTL_MEASURE);
-	if (ret < 0) {
-		dev_err(dev, "Failed to enable measurement mode: %d\n", ret);
-		return ret;
-	}
+	ret = adxl345_powerup(data->regmap);
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "Failed to enable measurement mode\n");
 
 	ret = devm_add_action_or_reset(dev, adxl345_powerdown, data->regmap);
 	if (ret < 0)
@@ -270,7 +280,7 @@ int adxl345_core_probe(struct device *dev, struct regmap *regmap,
 
 	return devm_iio_device_register(dev, indio_dev);
 }
-EXPORT_SYMBOL_GPL(adxl345_core_probe);
+EXPORT_SYMBOL_NS_GPL(adxl345_core_probe, IIO_ADXL345);
 
 MODULE_AUTHOR("Eva Rachel Retuya <eraretuya@gmail.com>");
 MODULE_DESCRIPTION("ADXL345 3-Axis Digital Accelerometer core driver");
diff --git a/drivers/iio/accel/adxl345_i2c.c b/drivers/iio/accel/adxl345_i2c.c
index a431cba216e6..098cd83f95b2 100644
--- a/drivers/iio/accel/adxl345_i2c.c
+++ b/drivers/iio/accel/adxl345_i2c.c
@@ -19,23 +19,15 @@ static const struct regmap_config adxl345_i2c_regmap_config = {
 	.val_bits = 8,
 };
 
-static int adxl345_i2c_probe(struct i2c_client *client,
-			     const struct i2c_device_id *id)
+static int adxl345_i2c_probe(struct i2c_client *client)
 {
 	struct regmap *regmap;
 
-	if (!id)
-		return -ENODEV;
-
 	regmap = devm_regmap_init_i2c(client, &adxl345_i2c_regmap_config);
-	if (IS_ERR(regmap)) {
-		dev_err(&client->dev, "Error initializing i2c regmap: %ld\n",
-			PTR_ERR(regmap));
-		return PTR_ERR(regmap);
-	}
+	if (IS_ERR(regmap))
+		return dev_err_probe(&client->dev, PTR_ERR(regmap), "Error initializing regmap\n");
 
-	return adxl345_core_probe(&client->dev, regmap, id->driver_data,
-				  id->name);
+	return adxl345_core_probe(&client->dev, regmap);
 }
 
 static const struct i2c_device_id adxl345_i2c_id[] = {
@@ -43,28 +35,33 @@ static const struct i2c_device_id adxl345_i2c_id[] = {
 	{ "adxl375", ADXL375 },
 	{ }
 };
-
 MODULE_DEVICE_TABLE(i2c, adxl345_i2c_id);
 
 static const struct of_device_id adxl345_of_match[] = {
-	{ .compatible = "adi,adxl345" },
-	{ .compatible = "adi,adxl375" },
-	{ },
+	{ .compatible = "adi,adxl345", .data = (const void *)ADXL345 },
+	{ .compatible = "adi,adxl375", .data = (const void *)ADXL375 },
+	{ }
 };
-
 MODULE_DEVICE_TABLE(of, adxl345_of_match);
 
+static const struct acpi_device_id adxl345_acpi_match[] = {
+	{ "ADS0345", ADXL345 },
+	{ }
+};
+MODULE_DEVICE_TABLE(acpi, adxl345_acpi_match);
+
 static struct i2c_driver adxl345_i2c_driver = {
 	.driver = {
 		.name	= "adxl345_i2c",
 		.of_match_table = adxl345_of_match,
+		.acpi_match_table = adxl345_acpi_match,
 	},
-	.probe		= adxl345_i2c_probe,
+	.probe_new	= adxl345_i2c_probe,
 	.id_table	= adxl345_i2c_id,
 };
-
 module_i2c_driver(adxl345_i2c_driver);
 
 MODULE_AUTHOR("Eva Rachel Retuya <eraretuya@gmail.com>");
 MODULE_DESCRIPTION("ADXL345 3-Axis Digital Accelerometer I2C driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ADXL345);
diff --git a/drivers/iio/accel/adxl345_spi.c b/drivers/iio/accel/adxl345_spi.c
index ea559ac2e87d..aaade5808657 100644
--- a/drivers/iio/accel/adxl345_spi.c
+++ b/drivers/iio/accel/adxl345_spi.c
@@ -22,24 +22,18 @@ static const struct regmap_config adxl345_spi_regmap_config = {
 
 static int adxl345_spi_probe(struct spi_device *spi)
 {
-	const struct spi_device_id *id = spi_get_device_id(spi);
 	struct regmap *regmap;
 
 	/* Bail out if max_speed_hz exceeds 5 MHz */
-	if (spi->max_speed_hz > ADXL345_MAX_SPI_FREQ_HZ) {
-		dev_err(&spi->dev, "SPI CLK, %d Hz exceeds 5 MHz\n",
-			spi->max_speed_hz);
-		return -EINVAL;
-	}
+	if (spi->max_speed_hz > ADXL345_MAX_SPI_FREQ_HZ)
+		return dev_err_probe(&spi->dev, -EINVAL, "SPI CLK, %d Hz exceeds 5 MHz\n",
+				     spi->max_speed_hz);
 
 	regmap = devm_regmap_init_spi(spi, &adxl345_spi_regmap_config);
-	if (IS_ERR(regmap)) {
-		dev_err(&spi->dev, "Error initializing spi regmap: %ld\n",
-			PTR_ERR(regmap));
-		return PTR_ERR(regmap);
-	}
+	if (IS_ERR(regmap))
+		return dev_err_probe(&spi->dev, PTR_ERR(regmap), "Error initializing regmap\n");
 
-	return adxl345_core_probe(&spi->dev, regmap, id->driver_data, id->name);
+	return adxl345_core_probe(&spi->dev, regmap);
 }
 
 static const struct spi_device_id adxl345_spi_id[] = {
@@ -47,28 +41,33 @@ static const struct spi_device_id adxl345_spi_id[] = {
 	{ "adxl375", ADXL375 },
 	{ }
 };
-
 MODULE_DEVICE_TABLE(spi, adxl345_spi_id);
 
 static const struct of_device_id adxl345_of_match[] = {
-	{ .compatible = "adi,adxl345" },
-	{ .compatible = "adi,adxl375" },
-	{ },
+	{ .compatible = "adi,adxl345", .data = (const void *)ADXL345 },
+	{ .compatible = "adi,adxl375", .data = (const void *)ADXL375 },
+	{ }
 };
-
 MODULE_DEVICE_TABLE(of, adxl345_of_match);
 
+static const struct acpi_device_id adxl345_acpi_match[] = {
+	{ "ADS0345", ADXL345 },
+	{ }
+};
+MODULE_DEVICE_TABLE(acpi, adxl345_acpi_match);
+
 static struct spi_driver adxl345_spi_driver = {
 	.driver = {
 		.name	= "adxl345_spi",
 		.of_match_table = adxl345_of_match,
+		.acpi_match_table = adxl345_acpi_match,
 	},
 	.probe		= adxl345_spi_probe,
 	.id_table	= adxl345_spi_id,
 };
-
 module_spi_driver(adxl345_spi_driver);
 
 MODULE_AUTHOR("Eva Rachel Retuya <eraretuya@gmail.com>");
 MODULE_DESCRIPTION("ADXL345 3-Axis Digital Accelerometer SPI driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ADXL345);
diff --git a/drivers/iio/accel/adxl355_core.c b/drivers/iio/accel/adxl355_core.c
index 4f485909f459..e9c10c8c32f0 100644
--- a/drivers/iio/accel/adxl355_core.c
+++ b/drivers/iio/accel/adxl355_core.c
@@ -20,6 +20,8 @@
 #include <linux/mod_devicetable.h>
 #include <linux/of_irq.h>
 #include <linux/regmap.h>
+#include <linux/units.h>
+
 #include <asm/unaligned.h>
 
 #include "adxl355.h"
@@ -60,9 +62,6 @@
 #define ADXL355_PARTID_VAL		0xED
 #define ADXL355_RESET_CODE		0x52
 
-#define MEGA 1000000UL
-#define TERA 1000000000000ULL
-
 static const struct regmap_range adxl355_read_reg_range[] = {
 	regmap_reg_range(ADXL355_DEVID_AD_REG, ADXL355_FIFO_DATA_REG),
 	regmap_reg_range(ADXL355_OFFSET_X_H_REG, ADXL355_SELF_TEST_REG),
@@ -72,7 +71,7 @@ const struct regmap_access_table adxl355_readable_regs_tbl = {
 	.yes_ranges = adxl355_read_reg_range,
 	.n_yes_ranges = ARRAY_SIZE(adxl355_read_reg_range),
 };
-EXPORT_SYMBOL_GPL(adxl355_readable_regs_tbl);
+EXPORT_SYMBOL_NS_GPL(adxl355_readable_regs_tbl, IIO_ADXL355);
 
 static const struct regmap_range adxl355_write_reg_range[] = {
 	regmap_reg_range(ADXL355_OFFSET_X_H_REG, ADXL355_RESET_REG),
@@ -82,7 +81,7 @@ const struct regmap_access_table adxl355_writeable_regs_tbl = {
 	.yes_ranges = adxl355_write_reg_range,
 	.n_yes_ranges = ARRAY_SIZE(adxl355_write_reg_range),
 };
-EXPORT_SYMBOL_GPL(adxl355_writeable_regs_tbl);
+EXPORT_SYMBOL_NS_GPL(adxl355_writeable_regs_tbl, IIO_ADXL355);
 
 enum adxl355_op_mode {
 	ADXL355_MEASUREMENT,
@@ -758,7 +757,7 @@ int adxl355_core_probe(struct device *dev, struct regmap *regmap,
 
 	return devm_iio_device_register(dev, indio_dev);
 }
-EXPORT_SYMBOL_GPL(adxl355_core_probe);
+EXPORT_SYMBOL_NS_GPL(adxl355_core_probe, IIO_ADXL355);
 
 MODULE_AUTHOR("Puranjay Mohan <puranjay12@gmail.com>");
 MODULE_DESCRIPTION("ADXL355 3-Axis Digital Accelerometer core driver");
diff --git a/drivers/iio/accel/adxl355_i2c.c b/drivers/iio/accel/adxl355_i2c.c
index 5a987bda9060..f67d57921c81 100644
--- a/drivers/iio/accel/adxl355_i2c.c
+++ b/drivers/iio/accel/adxl355_i2c.c
@@ -60,3 +60,4 @@ module_i2c_driver(adxl355_i2c_driver);
 MODULE_AUTHOR("Puranjay Mohan <puranjay12@gmail.com>");
 MODULE_DESCRIPTION("ADXL355 3-Axis Digital Accelerometer I2C driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ADXL355);
diff --git a/drivers/iio/accel/adxl355_spi.c b/drivers/iio/accel/adxl355_spi.c
index fb225aeb56e3..5fe986ae03f6 100644
--- a/drivers/iio/accel/adxl355_spi.c
+++ b/drivers/iio/accel/adxl355_spi.c
@@ -63,3 +63,4 @@ module_spi_driver(adxl355_spi_driver);
 MODULE_AUTHOR("Puranjay Mohan <puranjay12@gmail.com>");
 MODULE_DESCRIPTION("ADXL355 3-Axis Digital Accelerometer SPI driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ADXL355);
diff --git a/drivers/iio/accel/adxl367.c b/drivers/iio/accel/adxl367.c
new file mode 100644
index 000000000000..62960134ea19
--- /dev/null
+++ b/drivers/iio/accel/adxl367.c
@@ -0,0 +1,1588 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021 Analog Devices, Inc.
+ * Author: Cosmin Tanislav <cosmin.tanislav@analog.com>
+ */
+
+#include <linux/bitfield.h>
+#include <linux/bitops.h>
+#include <linux/iio/buffer.h>
+#include <linux/iio/events.h>
+#include <linux/iio/iio.h>
+#include <linux/iio/kfifo_buf.h>
+#include <linux/iio/sysfs.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/mod_devicetable.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <asm/unaligned.h>
+
+#include "adxl367.h"
+
+#define ADXL367_REG_DEVID		0x00
+#define ADXL367_DEVID_AD		0xAD
+
+#define ADXL367_REG_STATUS		0x0B
+#define ADXL367_STATUS_INACT_MASK	BIT(5)
+#define ADXL367_STATUS_ACT_MASK		BIT(4)
+#define ADXL367_STATUS_FIFO_FULL_MASK	BIT(2)
+
+#define ADXL367_FIFO_ENT_H_MASK		GENMASK(1, 0)
+
+#define ADXL367_REG_X_DATA_H		0x0E
+#define ADXL367_REG_Y_DATA_H		0x10
+#define ADXL367_REG_Z_DATA_H		0x12
+#define ADXL367_REG_TEMP_DATA_H		0x14
+#define ADXL367_REG_EX_ADC_DATA_H	0x16
+#define ADXL367_DATA_MASK		GENMASK(15, 2)
+
+#define ADXL367_TEMP_25C		165
+#define ADXL367_TEMP_PER_C		54
+
+#define ADXL367_VOLTAGE_OFFSET		8192
+#define ADXL367_VOLTAGE_MAX_MV		1000
+#define ADXL367_VOLTAGE_MAX_RAW		GENMASK(13, 0)
+
+#define ADXL367_REG_RESET		0x1F
+#define ADXL367_RESET_CODE		0x52
+
+#define ADXL367_REG_THRESH_ACT_H	0x20
+#define ADXL367_REG_THRESH_INACT_H	0x23
+#define ADXL367_THRESH_MAX		GENMASK(12, 0)
+#define ADXL367_THRESH_VAL_H_MASK	GENMASK(12, 6)
+#define ADXL367_THRESH_H_MASK		GENMASK(6, 0)
+#define ADXL367_THRESH_VAL_L_MASK	GENMASK(5, 0)
+#define ADXL367_THRESH_L_MASK		GENMASK(7, 2)
+
+#define ADXL367_REG_TIME_ACT		0x22
+#define ADXL367_REG_TIME_INACT_H	0x25
+#define ADXL367_TIME_ACT_MAX		GENMASK(7, 0)
+#define ADXL367_TIME_INACT_MAX		GENMASK(15, 0)
+#define ADXL367_TIME_INACT_VAL_H_MASK	GENMASK(15, 8)
+#define ADXL367_TIME_INACT_H_MASK	GENMASK(7, 0)
+#define ADXL367_TIME_INACT_VAL_L_MASK	GENMASK(7, 0)
+#define ADXL367_TIME_INACT_L_MASK	GENMASK(7, 0)
+
+#define ADXL367_REG_ACT_INACT_CTL	0x27
+#define ADXL367_ACT_EN_MASK		GENMASK(1, 0)
+#define ADXL367_ACT_LINKLOOP_MASK	GENMASK(5, 4)
+
+#define ADXL367_REG_FIFO_CTL		0x28
+#define ADXL367_FIFO_CTL_FORMAT_MASK	GENMASK(6, 3)
+#define ADXL367_FIFO_CTL_MODE_MASK	GENMASK(1, 0)
+
+#define ADXL367_REG_FIFO_SAMPLES	0x29
+#define ADXL367_FIFO_SIZE		512
+#define ADXL367_FIFO_MAX_WATERMARK	511
+
+#define ADXL367_SAMPLES_VAL_H_MASK	BIT(8)
+#define ADXL367_SAMPLES_H_MASK		BIT(2)
+#define ADXL367_SAMPLES_VAL_L_MASK	GENMASK(7, 0)
+#define ADXL367_SAMPLES_L_MASK		GENMASK(7, 0)
+
+#define ADXL367_REG_INT1_MAP		0x2A
+#define ADXL367_INT_INACT_MASK		BIT(5)
+#define ADXL367_INT_ACT_MASK		BIT(4)
+#define ADXL367_INT_FIFO_WATERMARK_MASK	BIT(2)
+
+#define ADXL367_REG_FILTER_CTL		0x2C
+#define ADXL367_FILTER_CTL_RANGE_MASK	GENMASK(7, 6)
+#define ADXL367_2G_RANGE_1G		4095
+#define ADXL367_2G_RANGE_100MG		409
+#define ADXL367_FILTER_CTL_ODR_MASK	GENMASK(2, 0)
+
+#define ADXL367_REG_POWER_CTL		0x2D
+#define ADXL367_POWER_CTL_MODE_MASK	GENMASK(1, 0)
+
+#define ADXL367_REG_ADC_CTL		0x3C
+#define ADXL367_REG_TEMP_CTL		0x3D
+#define ADXL367_ADC_EN_MASK		BIT(0)
+
+enum adxl367_range {
+	ADXL367_2G_RANGE,
+	ADXL367_4G_RANGE,
+	ADXL367_8G_RANGE,
+};
+
+enum adxl367_fifo_mode {
+	ADXL367_FIFO_MODE_DISABLED = 0b00,
+	ADXL367_FIFO_MODE_STREAM = 0b10,
+};
+
+enum adxl367_fifo_format {
+	ADXL367_FIFO_FORMAT_XYZ,
+	ADXL367_FIFO_FORMAT_X,
+	ADXL367_FIFO_FORMAT_Y,
+	ADXL367_FIFO_FORMAT_Z,
+	ADXL367_FIFO_FORMAT_XYZT,
+	ADXL367_FIFO_FORMAT_XT,
+	ADXL367_FIFO_FORMAT_YT,
+	ADXL367_FIFO_FORMAT_ZT,
+	ADXL367_FIFO_FORMAT_XYZA,
+	ADXL367_FIFO_FORMAT_XA,
+	ADXL367_FIFO_FORMAT_YA,
+	ADXL367_FIFO_FORMAT_ZA,
+};
+
+enum adxl367_op_mode {
+	ADXL367_OP_STANDBY = 0b00,
+	ADXL367_OP_MEASURE = 0b10,
+};
+
+enum adxl367_act_proc_mode {
+	ADXL367_LOOPED = 0b11,
+};
+
+enum adxl367_act_en_mode {
+	ADXL367_ACT_DISABLED = 0b00,
+	ADCL367_ACT_REF_ENABLED = 0b11,
+};
+
+enum adxl367_activity_type {
+	ADXL367_ACTIVITY,
+	ADXL367_INACTIVITY,
+};
+
+enum adxl367_odr {
+	ADXL367_ODR_12P5HZ,
+	ADXL367_ODR_25HZ,
+	ADXL367_ODR_50HZ,
+	ADXL367_ODR_100HZ,
+	ADXL367_ODR_200HZ,
+	ADXL367_ODR_400HZ,
+};
+
+struct adxl367_state {
+	const struct adxl367_ops	*ops;
+	void				*context;
+
+	struct device			*dev;
+	struct regmap			*regmap;
+
+	struct regulator_bulk_data	regulators[2];
+
+	/*
+	 * Synchronize access to members of driver state, and ensure atomicity
+	 * of consecutive regmap operations.
+	 */
+	struct mutex		lock;
+
+	enum adxl367_odr	odr;
+	enum adxl367_range	range;
+
+	unsigned int	act_threshold;
+	unsigned int	act_time_ms;
+	unsigned int	inact_threshold;
+	unsigned int	inact_time_ms;
+
+	unsigned int	fifo_set_size;
+	unsigned int	fifo_watermark;
+
+	__be16		fifo_buf[ADXL367_FIFO_SIZE] ____cacheline_aligned;
+	__be16		sample_buf;
+	u8		act_threshold_buf[2];
+	u8		inact_time_buf[2];
+	u8		status_buf[3];
+};
+
+static const unsigned int adxl367_threshold_h_reg_tbl[] = {
+	[ADXL367_ACTIVITY]   = ADXL367_REG_THRESH_ACT_H,
+	[ADXL367_INACTIVITY] = ADXL367_REG_THRESH_INACT_H,
+};
+
+static const unsigned int adxl367_act_en_shift_tbl[] = {
+	[ADXL367_ACTIVITY]   = 0,
+	[ADXL367_INACTIVITY] = 2,
+};
+
+static const unsigned int adxl367_act_int_mask_tbl[] = {
+	[ADXL367_ACTIVITY]   = ADXL367_INT_ACT_MASK,
+	[ADXL367_INACTIVITY] = ADXL367_INT_INACT_MASK,
+};
+
+static const int adxl367_samp_freq_tbl[][2] = {
+	[ADXL367_ODR_12P5HZ] = {12, 500000},
+	[ADXL367_ODR_25HZ]   = {25, 0},
+	[ADXL367_ODR_50HZ]   = {50, 0},
+	[ADXL367_ODR_100HZ]  = {100, 0},
+	[ADXL367_ODR_200HZ]  = {200, 0},
+	[ADXL367_ODR_400HZ]  = {400, 0},
+};
+
+/* (g * 2) * 9.80665 * 1000000 / (2^14 - 1) */
+static const int adxl367_range_scale_tbl[][2] = {
+	[ADXL367_2G_RANGE] = {0, 2394347},
+	[ADXL367_4G_RANGE] = {0, 4788695},
+	[ADXL367_8G_RANGE] = {0, 9577391},
+};
+
+static const int adxl367_range_scale_factor_tbl[] = {
+	[ADXL367_2G_RANGE] = 1,
+	[ADXL367_4G_RANGE] = 2,
+	[ADXL367_8G_RANGE] = 4,
+};
+
+enum {
+	ADXL367_X_CHANNEL_INDEX,
+	ADXL367_Y_CHANNEL_INDEX,
+	ADXL367_Z_CHANNEL_INDEX,
+	ADXL367_TEMP_CHANNEL_INDEX,
+	ADXL367_EX_ADC_CHANNEL_INDEX
+};
+
+#define ADXL367_X_CHANNEL_MASK		BIT(ADXL367_X_CHANNEL_INDEX)
+#define ADXL367_Y_CHANNEL_MASK		BIT(ADXL367_Y_CHANNEL_INDEX)
+#define ADXL367_Z_CHANNEL_MASK		BIT(ADXL367_Z_CHANNEL_INDEX)
+#define ADXL367_TEMP_CHANNEL_MASK	BIT(ADXL367_TEMP_CHANNEL_INDEX)
+#define ADXL367_EX_ADC_CHANNEL_MASK	BIT(ADXL367_EX_ADC_CHANNEL_INDEX)
+
+static const enum adxl367_fifo_format adxl367_fifo_formats[] = {
+	ADXL367_FIFO_FORMAT_X,
+	ADXL367_FIFO_FORMAT_Y,
+	ADXL367_FIFO_FORMAT_Z,
+	ADXL367_FIFO_FORMAT_XT,
+	ADXL367_FIFO_FORMAT_YT,
+	ADXL367_FIFO_FORMAT_ZT,
+	ADXL367_FIFO_FORMAT_XA,
+	ADXL367_FIFO_FORMAT_YA,
+	ADXL367_FIFO_FORMAT_ZA,
+	ADXL367_FIFO_FORMAT_XYZ,
+	ADXL367_FIFO_FORMAT_XYZT,
+	ADXL367_FIFO_FORMAT_XYZA,
+};
+
+static const unsigned long adxl367_channel_masks[] = {
+	ADXL367_X_CHANNEL_MASK,
+	ADXL367_Y_CHANNEL_MASK,
+	ADXL367_Z_CHANNEL_MASK,
+	ADXL367_X_CHANNEL_MASK | ADXL367_TEMP_CHANNEL_MASK,
+	ADXL367_Y_CHANNEL_MASK | ADXL367_TEMP_CHANNEL_MASK,
+	ADXL367_Z_CHANNEL_MASK | ADXL367_TEMP_CHANNEL_MASK,
+	ADXL367_X_CHANNEL_MASK | ADXL367_EX_ADC_CHANNEL_MASK,
+	ADXL367_Y_CHANNEL_MASK | ADXL367_EX_ADC_CHANNEL_MASK,
+	ADXL367_Z_CHANNEL_MASK | ADXL367_EX_ADC_CHANNEL_MASK,
+	ADXL367_X_CHANNEL_MASK | ADXL367_Y_CHANNEL_MASK | ADXL367_Z_CHANNEL_MASK,
+	ADXL367_X_CHANNEL_MASK | ADXL367_Y_CHANNEL_MASK | ADXL367_Z_CHANNEL_MASK |
+		ADXL367_TEMP_CHANNEL_MASK,
+	ADXL367_X_CHANNEL_MASK | ADXL367_Y_CHANNEL_MASK | ADXL367_Z_CHANNEL_MASK |
+		ADXL367_EX_ADC_CHANNEL_MASK,
+	0,
+};
+
+static int adxl367_set_measure_en(struct adxl367_state *st, bool en)
+{
+	enum adxl367_op_mode op_mode = en ? ADXL367_OP_MEASURE
+					  : ADXL367_OP_STANDBY;
+	int ret;
+
+	ret = regmap_update_bits(st->regmap, ADXL367_REG_POWER_CTL,
+				 ADXL367_POWER_CTL_MODE_MASK,
+				 FIELD_PREP(ADXL367_POWER_CTL_MODE_MASK,
+					    op_mode));
+	if (ret)
+		return ret;
+
+	/*
+	 * Wait for acceleration output to settle after entering
+	 * measure mode.
+	 */
+	if (en)
+		msleep(100);
+
+	return 0;
+}
+
+static void adxl367_scale_act_thresholds(struct adxl367_state *st,
+					 enum adxl367_range old_range,
+					 enum adxl367_range new_range)
+{
+	st->act_threshold = st->act_threshold
+			    * adxl367_range_scale_factor_tbl[old_range]
+			    / adxl367_range_scale_factor_tbl[new_range];
+	st->inact_threshold = st->inact_threshold
+			      * adxl367_range_scale_factor_tbl[old_range]
+			      / adxl367_range_scale_factor_tbl[new_range];
+}
+
+static int _adxl367_set_act_threshold(struct adxl367_state *st,
+				      enum adxl367_activity_type act,
+				      unsigned int threshold)
+{
+	u8 reg = adxl367_threshold_h_reg_tbl[act];
+	int ret;
+
+	if (threshold > ADXL367_THRESH_MAX)
+		return -EINVAL;
+
+	st->act_threshold_buf[0] = FIELD_PREP(ADXL367_THRESH_H_MASK,
+					      FIELD_GET(ADXL367_THRESH_VAL_H_MASK,
+							threshold));
+	st->act_threshold_buf[1] = FIELD_PREP(ADXL367_THRESH_L_MASK,
+					      FIELD_GET(ADXL367_THRESH_VAL_L_MASK,
+							threshold));
+
+	ret = regmap_bulk_write(st->regmap, reg, st->act_threshold_buf,
+				sizeof(st->act_threshold_buf));
+	if (ret)
+		return ret;
+
+	if (act == ADXL367_ACTIVITY)
+		st->act_threshold = threshold;
+	else
+		st->inact_threshold = threshold;
+
+	return 0;
+}
+
+static int adxl367_set_act_threshold(struct adxl367_state *st,
+				     enum adxl367_activity_type act,
+				     unsigned int threshold)
+{
+	int ret;
+
+	mutex_lock(&st->lock);
+
+	ret = adxl367_set_measure_en(st, false);
+	if (ret)
+		goto out;
+
+	ret = _adxl367_set_act_threshold(st, act, threshold);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_measure_en(st, true);
+
+out:
+	mutex_unlock(&st->lock);
+
+	return ret;
+}
+
+static int adxl367_set_act_proc_mode(struct adxl367_state *st,
+				     enum adxl367_act_proc_mode mode)
+{
+	return regmap_update_bits(st->regmap, ADXL367_REG_ACT_INACT_CTL,
+				  ADXL367_ACT_LINKLOOP_MASK,
+				  FIELD_PREP(ADXL367_ACT_LINKLOOP_MASK,
+					     mode));
+}
+
+static int adxl367_set_act_interrupt_en(struct adxl367_state *st,
+					enum adxl367_activity_type act,
+					bool en)
+{
+	unsigned int mask = adxl367_act_int_mask_tbl[act];
+
+	return regmap_update_bits(st->regmap, ADXL367_REG_INT1_MAP,
+				  mask, en ? mask : 0);
+}
+
+static int adxl367_get_act_interrupt_en(struct adxl367_state *st,
+					enum adxl367_activity_type act,
+					bool *en)
+{
+	unsigned int mask = adxl367_act_int_mask_tbl[act];
+	unsigned int val;
+	int ret;
+
+	ret = regmap_read(st->regmap, ADXL367_REG_INT1_MAP, &val);
+	if (ret)
+		return ret;
+
+	*en = !!(val & mask);
+
+	return 0;
+}
+
+static int adxl367_set_act_en(struct adxl367_state *st,
+			      enum adxl367_activity_type act,
+			      enum adxl367_act_en_mode en)
+{
+	unsigned int ctl_shift = adxl367_act_en_shift_tbl[act];
+
+	return regmap_update_bits(st->regmap, ADXL367_REG_ACT_INACT_CTL,
+				  ADXL367_ACT_EN_MASK << ctl_shift,
+				  en << ctl_shift);
+}
+
+static int adxl367_set_fifo_watermark_interrupt_en(struct adxl367_state *st,
+						   bool en)
+{
+	return regmap_update_bits(st->regmap, ADXL367_REG_INT1_MAP,
+				  ADXL367_INT_FIFO_WATERMARK_MASK,
+				  en ? ADXL367_INT_FIFO_WATERMARK_MASK : 0);
+}
+
+static int adxl367_get_fifo_mode(struct adxl367_state *st,
+				 enum adxl367_fifo_mode *fifo_mode)
+{
+	unsigned int val;
+	int ret;
+
+	ret = regmap_read(st->regmap, ADXL367_REG_FIFO_CTL, &val);
+	if (ret)
+		return ret;
+
+	*fifo_mode = FIELD_GET(ADXL367_FIFO_CTL_MODE_MASK, val);
+
+	return 0;
+}
+
+static int adxl367_set_fifo_mode(struct adxl367_state *st,
+				 enum adxl367_fifo_mode fifo_mode)
+{
+	return regmap_update_bits(st->regmap, ADXL367_REG_FIFO_CTL,
+				  ADXL367_FIFO_CTL_MODE_MASK,
+				  FIELD_PREP(ADXL367_FIFO_CTL_MODE_MASK,
+					     fifo_mode));
+}
+
+static int adxl367_set_fifo_format(struct adxl367_state *st,
+				   enum adxl367_fifo_format fifo_format)
+{
+	return regmap_update_bits(st->regmap, ADXL367_REG_FIFO_CTL,
+				  ADXL367_FIFO_CTL_FORMAT_MASK,
+				  FIELD_PREP(ADXL367_FIFO_CTL_FORMAT_MASK,
+					     fifo_format));
+}
+
+static int adxl367_set_fifo_samples(struct adxl367_state *st,
+				    unsigned int fifo_watermark,
+				    unsigned int fifo_set_size)
+{
+	unsigned int fifo_samples = fifo_watermark * fifo_set_size;
+	unsigned int fifo_samples_h, fifo_samples_l;
+	int ret;
+
+	if (fifo_samples > ADXL367_FIFO_MAX_WATERMARK)
+		fifo_samples = ADXL367_FIFO_MAX_WATERMARK;
+
+	if (fifo_set_size == 0)
+		return 0;
+
+	fifo_samples /= fifo_set_size;
+
+	fifo_samples_h = FIELD_PREP(ADXL367_SAMPLES_H_MASK,
+				    FIELD_GET(ADXL367_SAMPLES_VAL_H_MASK,
+					      fifo_samples));
+	fifo_samples_l = FIELD_PREP(ADXL367_SAMPLES_L_MASK,
+				    FIELD_GET(ADXL367_SAMPLES_VAL_L_MASK,
+					      fifo_samples));
+
+	ret = regmap_update_bits(st->regmap, ADXL367_REG_FIFO_CTL,
+				 ADXL367_SAMPLES_H_MASK, fifo_samples_h);
+	if (ret)
+		return ret;
+
+	return regmap_update_bits(st->regmap, ADXL367_REG_FIFO_SAMPLES,
+				  ADXL367_SAMPLES_L_MASK, fifo_samples_l);
+}
+
+static int adxl367_set_fifo_set_size(struct adxl367_state *st,
+				     unsigned int fifo_set_size)
+{
+	int ret;
+
+	ret = adxl367_set_fifo_samples(st, st->fifo_watermark, fifo_set_size);
+	if (ret)
+		return ret;
+
+	st->fifo_set_size = fifo_set_size;
+
+	return 0;
+}
+
+static int adxl367_set_fifo_watermark(struct adxl367_state *st,
+				      unsigned int fifo_watermark)
+{
+	int ret;
+
+	ret = adxl367_set_fifo_samples(st, fifo_watermark, st->fifo_set_size);
+	if (ret)
+		return ret;
+
+	st->fifo_watermark = fifo_watermark;
+
+	return 0;
+}
+
+static int adxl367_set_range(struct iio_dev *indio_dev,
+			     enum adxl367_range range)
+{
+	struct adxl367_state *st = iio_priv(indio_dev);
+	int ret;
+
+	ret = iio_device_claim_direct_mode(indio_dev);
+	if (ret)
+		return ret;
+
+	mutex_lock(&st->lock);
+
+	ret = adxl367_set_measure_en(st, false);
+	if (ret)
+		goto out;
+
+	ret = regmap_update_bits(st->regmap, ADXL367_REG_FILTER_CTL,
+				 ADXL367_FILTER_CTL_RANGE_MASK,
+				 FIELD_PREP(ADXL367_FILTER_CTL_RANGE_MASK,
+					    range));
+	if (ret)
+		goto out;
+
+	adxl367_scale_act_thresholds(st, st->range, range);
+
+	/* Activity thresholds depend on range */
+	ret = _adxl367_set_act_threshold(st, ADXL367_ACTIVITY,
+					 st->act_threshold);
+	if (ret)
+		goto out;
+
+	ret = _adxl367_set_act_threshold(st, ADXL367_INACTIVITY,
+					 st->inact_threshold);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_measure_en(st, true);
+	if (ret)
+		goto out;
+
+	st->range = range;
+
+out:
+	mutex_unlock(&st->lock);
+
+	iio_device_release_direct_mode(indio_dev);
+
+	return ret;
+}
+
+static int adxl367_time_ms_to_samples(struct adxl367_state *st, unsigned int ms)
+{
+	int freq_hz = adxl367_samp_freq_tbl[st->odr][0];
+	int freq_microhz = adxl367_samp_freq_tbl[st->odr][1];
+	/* Scale to decihertz to prevent precision loss in 12.5Hz case. */
+	int freq_dhz = freq_hz * 10 + freq_microhz / 100000;
+
+	return DIV_ROUND_CLOSEST(ms * freq_dhz, 10000);
+}
+
+static int _adxl367_set_act_time_ms(struct adxl367_state *st, unsigned int ms)
+{
+	unsigned int val = adxl367_time_ms_to_samples(st, ms);
+	int ret;
+
+	if (val > ADXL367_TIME_ACT_MAX)
+		val = ADXL367_TIME_ACT_MAX;
+
+	ret = regmap_write(st->regmap, ADXL367_REG_TIME_ACT, val);
+	if (ret)
+		return ret;
+
+	st->act_time_ms = ms;
+
+	return 0;
+}
+
+static int _adxl367_set_inact_time_ms(struct adxl367_state *st, unsigned int ms)
+{
+	unsigned int val = adxl367_time_ms_to_samples(st, ms);
+	int ret;
+
+	if (val > ADXL367_TIME_INACT_MAX)
+		val = ADXL367_TIME_INACT_MAX;
+
+	st->inact_time_buf[0] = FIELD_PREP(ADXL367_TIME_INACT_H_MASK,
+					   FIELD_GET(ADXL367_TIME_INACT_VAL_H_MASK,
+						     val));
+	st->inact_time_buf[1] = FIELD_PREP(ADXL367_TIME_INACT_L_MASK,
+					   FIELD_GET(ADXL367_TIME_INACT_VAL_L_MASK,
+						     val));
+
+	ret = regmap_bulk_write(st->regmap, ADXL367_REG_TIME_INACT_H,
+				st->inact_time_buf, sizeof(st->inact_time_buf));
+	if (ret)
+		return ret;
+
+	st->inact_time_ms = ms;
+
+	return 0;
+}
+
+static int adxl367_set_act_time_ms(struct adxl367_state *st,
+				   enum adxl367_activity_type act,
+				   unsigned int ms)
+{
+	int ret;
+
+	mutex_lock(&st->lock);
+
+	ret = adxl367_set_measure_en(st, false);
+	if (ret)
+		goto out;
+
+	if (act == ADXL367_ACTIVITY)
+		ret = _adxl367_set_act_time_ms(st, ms);
+	else
+		ret = _adxl367_set_inact_time_ms(st, ms);
+
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_measure_en(st, true);
+
+out:
+	mutex_unlock(&st->lock);
+
+	return ret;
+}
+
+static int _adxl367_set_odr(struct adxl367_state *st, enum adxl367_odr odr)
+{
+	int ret;
+
+	ret = regmap_update_bits(st->regmap, ADXL367_REG_FILTER_CTL,
+				 ADXL367_FILTER_CTL_ODR_MASK,
+				 FIELD_PREP(ADXL367_FILTER_CTL_ODR_MASK,
+					    odr));
+	if (ret)
+		return ret;
+
+	/* Activity timers depend on ODR */
+	ret = _adxl367_set_act_time_ms(st, st->act_time_ms);
+	if (ret)
+		return ret;
+
+	ret = _adxl367_set_inact_time_ms(st, st->inact_time_ms);
+	if (ret)
+		return ret;
+
+	st->odr = odr;
+
+	return 0;
+}
+
+static int adxl367_set_odr(struct iio_dev *indio_dev, enum adxl367_odr odr)
+{
+	struct adxl367_state *st = iio_priv(indio_dev);
+	int ret;
+
+	ret = iio_device_claim_direct_mode(indio_dev);
+	if (ret)
+		return ret;
+
+	mutex_lock(&st->lock);
+
+	ret = adxl367_set_measure_en(st, false);
+	if (ret)
+		goto out;
+
+	ret = _adxl367_set_odr(st, odr);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_measure_en(st, true);
+
+out:
+	mutex_unlock(&st->lock);
+
+	iio_device_release_direct_mode(indio_dev);
+
+	return ret;
+}
+
+static int adxl367_set_temp_adc_en(struct adxl367_state *st, unsigned int reg,
+				   bool en)
+{
+	return regmap_update_bits(st->regmap, reg, ADXL367_ADC_EN_MASK,
+				  en ? ADXL367_ADC_EN_MASK : 0);
+}
+
+static int adxl367_set_temp_adc_reg_en(struct adxl367_state *st,
+				       unsigned int reg, bool en)
+{
+	int ret;
+
+	switch (reg) {
+	case ADXL367_REG_TEMP_DATA_H:
+		ret = adxl367_set_temp_adc_en(st, ADXL367_REG_TEMP_CTL, en);
+		break;
+	case ADXL367_REG_EX_ADC_DATA_H:
+		ret = adxl367_set_temp_adc_en(st, ADXL367_REG_ADC_CTL, en);
+		break;
+	default:
+		return 0;
+	}
+
+	if (ret)
+		return ret;
+
+	if (en)
+		msleep(100);
+
+	return 0;
+}
+
+static int adxl367_set_temp_adc_mask_en(struct adxl367_state *st,
+					const unsigned long *active_scan_mask,
+					bool en)
+{
+	if (*active_scan_mask & ADXL367_TEMP_CHANNEL_MASK)
+		return adxl367_set_temp_adc_en(st, ADXL367_REG_TEMP_CTL, en);
+	else if (*active_scan_mask & ADXL367_EX_ADC_CHANNEL_MASK)
+		return adxl367_set_temp_adc_en(st, ADXL367_REG_ADC_CTL, en);
+
+	return 0;
+}
+
+static int adxl367_find_odr(struct adxl367_state *st, int val, int val2,
+			    enum adxl367_odr *odr)
+{
+	size_t size = ARRAY_SIZE(adxl367_samp_freq_tbl);
+	int i;
+
+	for (i = 0; i < size; i++)
+		if (val == adxl367_samp_freq_tbl[i][0] &&
+		    val2 == adxl367_samp_freq_tbl[i][1])
+			break;
+
+	if (i == size)
+		return -EINVAL;
+
+	*odr = i;
+
+	return 0;
+}
+
+static int adxl367_find_range(struct adxl367_state *st, int val, int val2,
+			      enum adxl367_range *range)
+{
+	size_t size = ARRAY_SIZE(adxl367_range_scale_tbl);
+	int i;
+
+	for (i = 0; i < size; i++)
+		if (val == adxl367_range_scale_tbl[i][0] &&
+		    val2 == adxl367_range_scale_tbl[i][1])
+			break;
+
+	if (i == size)
+		return -EINVAL;
+
+	*range = i;
+
+	return 0;
+}
+
+static int adxl367_read_sample(struct iio_dev *indio_dev,
+			       struct iio_chan_spec const *chan,
+			       int *val)
+{
+	struct adxl367_state *st = iio_priv(indio_dev);
+	u16 sample;
+	int ret;
+
+	ret = iio_device_claim_direct_mode(indio_dev);
+	if (ret)
+		return ret;
+
+	mutex_lock(&st->lock);
+
+	ret = adxl367_set_temp_adc_reg_en(st, chan->address, true);
+	if (ret)
+		goto out;
+
+	ret = regmap_bulk_read(st->regmap, chan->address, &st->sample_buf,
+			       sizeof(st->sample_buf));
+	if (ret)
+		goto out;
+
+	sample = FIELD_GET(ADXL367_DATA_MASK, be16_to_cpu(st->sample_buf));
+	*val = sign_extend32(sample, chan->scan_type.realbits - 1);
+
+	ret = adxl367_set_temp_adc_reg_en(st, chan->address, false);
+
+out:
+	mutex_unlock(&st->lock);
+
+	iio_device_release_direct_mode(indio_dev);
+
+	return ret ?: IIO_VAL_INT;
+}
+
+static int adxl367_get_status(struct adxl367_state *st, u8 *status,
+			      u16 *fifo_entries)
+{
+	int ret;
+
+	/* Read STATUS, FIFO_ENT_L and FIFO_ENT_H */
+	ret = regmap_bulk_read(st->regmap, ADXL367_REG_STATUS,
+			       st->status_buf, sizeof(st->status_buf));
+	if (ret)
+		return ret;
+
+	st->status_buf[2] &= ADXL367_FIFO_ENT_H_MASK;
+
+	*status = st->status_buf[0];
+	*fifo_entries = get_unaligned_le16(&st->status_buf[1]);
+
+	return 0;
+}
+
+static bool adxl367_push_event(struct iio_dev *indio_dev, u8 status)
+{
+	unsigned int ev_dir;
+
+	if (FIELD_GET(ADXL367_STATUS_ACT_MASK, status))
+		ev_dir = IIO_EV_DIR_RISING;
+	else if (FIELD_GET(ADXL367_STATUS_INACT_MASK, status))
+		ev_dir = IIO_EV_DIR_FALLING;
+	else
+		return false;
+
+	iio_push_event(indio_dev,
+		       IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_X_OR_Y_OR_Z,
+					  IIO_EV_TYPE_THRESH, ev_dir),
+		       iio_get_time_ns(indio_dev));
+
+	return true;
+}
+
+static bool adxl367_push_fifo_data(struct iio_dev *indio_dev, u8 status,
+				   u16 fifo_entries)
+{
+	struct adxl367_state *st = iio_priv(indio_dev);
+	int ret;
+	int i;
+
+	if (!FIELD_GET(ADXL367_STATUS_FIFO_FULL_MASK, status))
+		return false;
+
+	fifo_entries -= fifo_entries % st->fifo_set_size;
+
+	ret = st->ops->read_fifo(st->context, st->fifo_buf, fifo_entries);
+	if (ret) {
+		dev_err(st->dev, "Failed to read FIFO: %d\n", ret);
+		return true;
+	}
+
+	for (i = 0; i < fifo_entries; i += st->fifo_set_size)
+		iio_push_to_buffers(indio_dev, &st->fifo_buf[i]);
+
+	return true;
+}
+
+static irqreturn_t adxl367_irq_handler(int irq, void *private)
+{
+	struct iio_dev *indio_dev = private;
+	struct adxl367_state *st = iio_priv(indio_dev);
+	u16 fifo_entries;
+	bool handled;
+	u8 status;
+	int ret;
+
+	ret = adxl367_get_status(st, &status, &fifo_entries);
+	if (ret)
+		return IRQ_NONE;
+
+	handled = adxl367_push_event(indio_dev, status);
+	handled |= adxl367_push_fifo_data(indio_dev, status, fifo_entries);
+
+	return handled ? IRQ_HANDLED : IRQ_NONE;
+}
+
+static int adxl367_reg_access(struct iio_dev *indio_dev,
+			      unsigned int reg,
+			      unsigned int writeval,
+			      unsigned int *readval)
+{
+	struct adxl367_state *st = iio_priv(indio_dev);
+
+	if (readval)
+		return regmap_read(st->regmap, reg, readval);
+	else
+		return regmap_write(st->regmap, reg, writeval);
+}
+
+static int adxl367_read_raw(struct iio_dev *indio_dev,
+			    struct iio_chan_spec const *chan,
+			    int *val, int *val2, long info)
+{
+	struct adxl367_state *st = iio_priv(indio_dev);
+
+	switch (info) {
+	case IIO_CHAN_INFO_RAW:
+		return adxl367_read_sample(indio_dev, chan, val);
+	case IIO_CHAN_INFO_SCALE:
+		switch (chan->type) {
+		case IIO_ACCEL:
+			mutex_lock(&st->lock);
+			*val = adxl367_range_scale_tbl[st->range][0];
+			*val2 = adxl367_range_scale_tbl[st->range][1];
+			mutex_unlock(&st->lock);
+			return IIO_VAL_INT_PLUS_NANO;
+		case IIO_TEMP:
+			*val = 1000;
+			*val2 = ADXL367_TEMP_PER_C;
+			return IIO_VAL_FRACTIONAL;
+		case IIO_VOLTAGE:
+			*val = ADXL367_VOLTAGE_MAX_MV;
+			*val2 = ADXL367_VOLTAGE_MAX_RAW;
+			return IIO_VAL_FRACTIONAL;
+		default:
+			return -EINVAL;
+		}
+	case IIO_CHAN_INFO_OFFSET:
+		switch (chan->type) {
+		case IIO_TEMP:
+			*val = 25 * ADXL367_TEMP_PER_C - ADXL367_TEMP_25C;
+			return IIO_VAL_INT;
+		case IIO_VOLTAGE:
+			*val = ADXL367_VOLTAGE_OFFSET;
+			return IIO_VAL_INT;
+		default:
+			return -EINVAL;
+		}
+	case IIO_CHAN_INFO_SAMP_FREQ:
+		mutex_lock(&st->lock);
+		*val = adxl367_samp_freq_tbl[st->odr][0];
+		*val2 = adxl367_samp_freq_tbl[st->odr][1];
+		mutex_unlock(&st->lock);
+		return IIO_VAL_INT_PLUS_MICRO;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int adxl367_write_raw(struct iio_dev *indio_dev,
+			     struct iio_chan_spec const *chan,
+			     int val, int val2, long info)
+{
+	struct adxl367_state *st = iio_priv(indio_dev);
+	int ret;
+
+	switch (info) {
+	case IIO_CHAN_INFO_SAMP_FREQ: {
+		enum adxl367_odr odr;
+
+		ret = adxl367_find_odr(st, val, val2, &odr);
+		if (ret)
+			return ret;
+
+		return adxl367_set_odr(indio_dev, odr);
+	}
+	case IIO_CHAN_INFO_SCALE: {
+		enum adxl367_range range;
+
+		ret = adxl367_find_range(st, val, val2, &range);
+		if (ret)
+			return ret;
+
+		return adxl367_set_range(indio_dev, range);
+	}
+	default:
+		return -EINVAL;
+	}
+}
+
+static int adxl367_write_raw_get_fmt(struct iio_dev *indio_dev,
+				     struct iio_chan_spec const *chan,
+				     long info)
+{
+	switch (info) {
+	case IIO_CHAN_INFO_SCALE:
+		if (chan->type != IIO_ACCEL)
+			return -EINVAL;
+
+		return IIO_VAL_INT_PLUS_NANO;
+	default:
+		return IIO_VAL_INT_PLUS_MICRO;
+	}
+}
+
+static int adxl367_read_avail(struct iio_dev *indio_dev,
+			      struct iio_chan_spec const *chan,
+			      const int **vals, int *type, int *length,
+			      long info)
+{
+	switch (info) {
+	case IIO_CHAN_INFO_SCALE:
+		if (chan->type != IIO_ACCEL)
+			return -EINVAL;
+
+		*vals = (int *)adxl367_range_scale_tbl;
+		*type = IIO_VAL_INT_PLUS_NANO;
+		*length = ARRAY_SIZE(adxl367_range_scale_tbl) * 2;
+		return IIO_AVAIL_LIST;
+	case IIO_CHAN_INFO_SAMP_FREQ:
+		*vals = (int *)adxl367_samp_freq_tbl;
+		*type = IIO_VAL_INT_PLUS_MICRO;
+		*length = ARRAY_SIZE(adxl367_samp_freq_tbl) * 2;
+		return IIO_AVAIL_LIST;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int adxl367_read_event_value(struct iio_dev *indio_dev,
+				    const struct iio_chan_spec *chan,
+				    enum iio_event_type type,
+				    enum iio_event_direction dir,
+				    enum iio_event_info info,
+				    int *val, int *val2)
+{
+	struct adxl367_state *st = iio_priv(indio_dev);
+
+	switch (info) {
+	case IIO_EV_INFO_VALUE: {
+		switch (dir) {
+		case IIO_EV_DIR_RISING:
+			mutex_lock(&st->lock);
+			*val = st->act_threshold;
+			mutex_unlock(&st->lock);
+			return IIO_VAL_INT;
+		case IIO_EV_DIR_FALLING:
+			mutex_lock(&st->lock);
+			*val = st->inact_threshold;
+			mutex_unlock(&st->lock);
+			return IIO_VAL_INT;
+		default:
+			return -EINVAL;
+		}
+	}
+	case IIO_EV_INFO_PERIOD:
+		switch (dir) {
+		case IIO_EV_DIR_RISING:
+			mutex_lock(&st->lock);
+			*val = st->act_time_ms;
+			mutex_unlock(&st->lock);
+			*val2 = 1000;
+			return IIO_VAL_FRACTIONAL;
+		case IIO_EV_DIR_FALLING:
+			mutex_lock(&st->lock);
+			*val = st->inact_time_ms;
+			mutex_unlock(&st->lock);
+			*val2 = 1000;
+			return IIO_VAL_FRACTIONAL;
+		default:
+			return -EINVAL;
+		}
+	default:
+		return -EINVAL;
+	}
+}
+
+static int adxl367_write_event_value(struct iio_dev *indio_dev,
+				     const struct iio_chan_spec *chan,
+				     enum iio_event_type type,
+				     enum iio_event_direction dir,
+				     enum iio_event_info info,
+				     int val, int val2)
+{
+	struct adxl367_state *st = iio_priv(indio_dev);
+
+	switch (info) {
+	case IIO_EV_INFO_VALUE:
+		if (val < 0)
+			return -EINVAL;
+
+		switch (dir) {
+		case IIO_EV_DIR_RISING:
+			return adxl367_set_act_threshold(st, ADXL367_ACTIVITY, val);
+		case IIO_EV_DIR_FALLING:
+			return adxl367_set_act_threshold(st, ADXL367_INACTIVITY, val);
+		default:
+			return -EINVAL;
+		}
+	case IIO_EV_INFO_PERIOD:
+		if (val < 0)
+			return -EINVAL;
+
+		val = val * 1000 + DIV_ROUND_UP(val2, 1000);
+		switch (dir) {
+		case IIO_EV_DIR_RISING:
+			return adxl367_set_act_time_ms(st, ADXL367_ACTIVITY, val);
+		case IIO_EV_DIR_FALLING:
+			return adxl367_set_act_time_ms(st, ADXL367_INACTIVITY, val);
+		default:
+			return -EINVAL;
+		}
+	default:
+		return -EINVAL;
+	}
+}
+
+static int adxl367_read_event_config(struct iio_dev *indio_dev,
+				     const struct iio_chan_spec *chan,
+				     enum iio_event_type type,
+				     enum iio_event_direction dir)
+{
+	struct adxl367_state *st = iio_priv(indio_dev);
+	bool en;
+	int ret;
+
+	switch (dir) {
+	case IIO_EV_DIR_RISING:
+		ret = adxl367_get_act_interrupt_en(st, ADXL367_ACTIVITY, &en);
+		return ret ?: en;
+	case IIO_EV_DIR_FALLING:
+		ret = adxl367_get_act_interrupt_en(st, ADXL367_INACTIVITY, &en);
+		return ret ?: en;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int adxl367_write_event_config(struct iio_dev *indio_dev,
+				      const struct iio_chan_spec *chan,
+				      enum iio_event_type type,
+				      enum iio_event_direction dir,
+				      int state)
+{
+	struct adxl367_state *st = iio_priv(indio_dev);
+	enum adxl367_activity_type act;
+	int ret;
+
+	switch (dir) {
+	case IIO_EV_DIR_RISING:
+		act = ADXL367_ACTIVITY;
+		break;
+	case IIO_EV_DIR_FALLING:
+		act = ADXL367_INACTIVITY;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	ret = iio_device_claim_direct_mode(indio_dev);
+	if (ret)
+		return ret;
+
+	mutex_lock(&st->lock);
+
+	ret = adxl367_set_measure_en(st, false);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_act_interrupt_en(st, act, state);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_act_en(st, act, state ? ADCL367_ACT_REF_ENABLED
+						: ADXL367_ACT_DISABLED);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_measure_en(st, true);
+
+out:
+	mutex_unlock(&st->lock);
+
+	iio_device_release_direct_mode(indio_dev);
+
+	return ret;
+}
+
+static ssize_t adxl367_get_fifo_enabled(struct device *dev,
+					struct device_attribute *attr,
+					char *buf)
+{
+	struct adxl367_state *st = iio_priv(dev_to_iio_dev(dev));
+	enum adxl367_fifo_mode fifo_mode;
+	int ret;
+
+	ret = adxl367_get_fifo_mode(st, &fifo_mode);
+	if (ret)
+		return ret;
+
+	return sysfs_emit(buf, "%d\n", fifo_mode != ADXL367_FIFO_MODE_DISABLED);
+}
+
+static ssize_t adxl367_get_fifo_watermark(struct device *dev,
+					  struct device_attribute *attr,
+					  char *buf)
+{
+	struct adxl367_state *st = iio_priv(dev_to_iio_dev(dev));
+	unsigned int fifo_watermark;
+
+	mutex_lock(&st->lock);
+	fifo_watermark = st->fifo_watermark;
+	mutex_unlock(&st->lock);
+
+	return sysfs_emit(buf, "%d\n", fifo_watermark);
+}
+
+static IIO_CONST_ATTR(hwfifo_watermark_min, "1");
+static IIO_CONST_ATTR(hwfifo_watermark_max,
+		      __stringify(ADXL367_FIFO_MAX_WATERMARK));
+static IIO_DEVICE_ATTR(hwfifo_watermark, 0444,
+		       adxl367_get_fifo_watermark, NULL, 0);
+static IIO_DEVICE_ATTR(hwfifo_enabled, 0444,
+		       adxl367_get_fifo_enabled, NULL, 0);
+
+static const struct attribute *adxl367_fifo_attributes[] = {
+	&iio_const_attr_hwfifo_watermark_min.dev_attr.attr,
+	&iio_const_attr_hwfifo_watermark_max.dev_attr.attr,
+	&iio_dev_attr_hwfifo_watermark.dev_attr.attr,
+	&iio_dev_attr_hwfifo_enabled.dev_attr.attr,
+	NULL,
+};
+
+static int adxl367_set_watermark(struct iio_dev *indio_dev, unsigned int val)
+{
+	struct adxl367_state *st  = iio_priv(indio_dev);
+	int ret;
+
+	if (val > ADXL367_FIFO_MAX_WATERMARK)
+		return -EINVAL;
+
+	mutex_lock(&st->lock);
+
+	ret = adxl367_set_measure_en(st, false);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_fifo_watermark(st, val);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_measure_en(st, true);
+
+out:
+	mutex_unlock(&st->lock);
+
+	return ret;
+}
+
+static bool adxl367_find_mask_fifo_format(const unsigned long *scan_mask,
+					  enum adxl367_fifo_format *fifo_format)
+{
+	size_t size = ARRAY_SIZE(adxl367_fifo_formats);
+	int i;
+
+	for (i = 0; i < size; i++)
+		if (*scan_mask == adxl367_channel_masks[i])
+			break;
+
+	if (i == size)
+		return false;
+
+	*fifo_format = adxl367_fifo_formats[i];
+
+	return true;
+}
+
+static int adxl367_update_scan_mode(struct iio_dev *indio_dev,
+				    const unsigned long *active_scan_mask)
+{
+	struct adxl367_state *st  = iio_priv(indio_dev);
+	enum adxl367_fifo_format fifo_format;
+	unsigned int fifo_set_size;
+	int ret;
+
+	if (!adxl367_find_mask_fifo_format(active_scan_mask, &fifo_format))
+		return -EINVAL;
+
+	fifo_set_size = bitmap_weight(active_scan_mask, indio_dev->masklength);
+
+	mutex_lock(&st->lock);
+
+	ret = adxl367_set_measure_en(st, false);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_fifo_format(st, fifo_format);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_fifo_set_size(st, fifo_set_size);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_measure_en(st, true);
+
+out:
+	mutex_unlock(&st->lock);
+
+	return ret;
+}
+
+static int adxl367_buffer_postenable(struct iio_dev *indio_dev)
+{
+	struct adxl367_state *st = iio_priv(indio_dev);
+	int ret;
+
+	mutex_lock(&st->lock);
+
+	ret = adxl367_set_temp_adc_mask_en(st, indio_dev->active_scan_mask,
+					   true);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_measure_en(st, false);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_fifo_watermark_interrupt_en(st, true);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_fifo_mode(st, ADXL367_FIFO_MODE_STREAM);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_measure_en(st, true);
+
+out:
+	mutex_unlock(&st->lock);
+
+	return ret;
+}
+
+static int adxl367_buffer_predisable(struct iio_dev *indio_dev)
+{
+	struct adxl367_state *st = iio_priv(indio_dev);
+	int ret;
+
+	mutex_lock(&st->lock);
+
+	ret = adxl367_set_measure_en(st, false);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_fifo_mode(st, ADXL367_FIFO_MODE_DISABLED);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_fifo_watermark_interrupt_en(st, false);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_measure_en(st, true);
+	if (ret)
+		goto out;
+
+	ret = adxl367_set_temp_adc_mask_en(st, indio_dev->active_scan_mask,
+					   false);
+
+out:
+	mutex_unlock(&st->lock);
+
+	return ret;
+}
+
+static const struct iio_buffer_setup_ops adxl367_buffer_ops = {
+	.postenable = adxl367_buffer_postenable,
+	.predisable = adxl367_buffer_predisable,
+};
+
+static const struct iio_info adxl367_info = {
+	.read_raw = adxl367_read_raw,
+	.write_raw = adxl367_write_raw,
+	.write_raw_get_fmt = adxl367_write_raw_get_fmt,
+	.read_avail = adxl367_read_avail,
+	.read_event_config = adxl367_read_event_config,
+	.write_event_config = adxl367_write_event_config,
+	.read_event_value = adxl367_read_event_value,
+	.write_event_value = adxl367_write_event_value,
+	.debugfs_reg_access = adxl367_reg_access,
+	.hwfifo_set_watermark = adxl367_set_watermark,
+	.update_scan_mode = adxl367_update_scan_mode,
+};
+
+static const struct iio_event_spec adxl367_events[] = {
+	{
+		.type = IIO_EV_TYPE_MAG_REFERENCED,
+		.dir = IIO_EV_DIR_RISING,
+		.mask_shared_by_type = BIT(IIO_EV_INFO_ENABLE) |
+				       BIT(IIO_EV_INFO_PERIOD) |
+				       BIT(IIO_EV_INFO_VALUE),
+	},
+	{
+		.type = IIO_EV_TYPE_MAG_REFERENCED,
+		.dir = IIO_EV_DIR_FALLING,
+		.mask_shared_by_type = BIT(IIO_EV_INFO_ENABLE) |
+				       BIT(IIO_EV_INFO_PERIOD) |
+				       BIT(IIO_EV_INFO_VALUE),
+	},
+};
+
+#define ADXL367_ACCEL_CHANNEL(index, reg, axis) {			\
+	.type = IIO_ACCEL,						\
+	.address = (reg),						\
+	.modified = 1,							\
+	.channel2 = IIO_MOD_##axis,					\
+	.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),			\
+	.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),		\
+	.info_mask_shared_by_type_available = BIT(IIO_CHAN_INFO_SCALE),	\
+	.info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ),	\
+	.info_mask_shared_by_all_available =				\
+			BIT(IIO_CHAN_INFO_SAMP_FREQ),			\
+	.event_spec = adxl367_events,					\
+	.num_event_specs = ARRAY_SIZE(adxl367_events),			\
+	.scan_index = (index),						\
+	.scan_type = {							\
+		.sign = 's',						\
+		.realbits = 14,						\
+		.storagebits = 16,					\
+		.endianness = IIO_BE,					\
+	},								\
+}
+
+#define ADXL367_CHANNEL(index, reg, _type) {				\
+	.type = (_type),						\
+	.address = (reg),						\
+	.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |			\
+			      BIT(IIO_CHAN_INFO_OFFSET) |		\
+			      BIT(IIO_CHAN_INFO_SCALE),			\
+	.info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ),	\
+	.scan_index = (index),						\
+	.scan_type = {							\
+		.sign = 's',						\
+		.realbits = 14,						\
+		.storagebits = 16,					\
+		.endianness = IIO_BE,					\
+	},								\
+}
+
+static const struct iio_chan_spec adxl367_channels[] = {
+	ADXL367_ACCEL_CHANNEL(ADXL367_X_CHANNEL_INDEX, ADXL367_REG_X_DATA_H, X),
+	ADXL367_ACCEL_CHANNEL(ADXL367_Y_CHANNEL_INDEX, ADXL367_REG_Y_DATA_H, Y),
+	ADXL367_ACCEL_CHANNEL(ADXL367_Z_CHANNEL_INDEX, ADXL367_REG_Z_DATA_H, Z),
+	ADXL367_CHANNEL(ADXL367_TEMP_CHANNEL_INDEX, ADXL367_REG_TEMP_DATA_H,
+			IIO_TEMP),
+	ADXL367_CHANNEL(ADXL367_EX_ADC_CHANNEL_INDEX, ADXL367_REG_EX_ADC_DATA_H,
+			IIO_VOLTAGE),
+};
+
+static int adxl367_verify_devid(struct adxl367_state *st)
+{
+	unsigned int val;
+	int ret;
+
+	ret = regmap_read_poll_timeout(st->regmap, ADXL367_REG_DEVID, val,
+				       val == ADXL367_DEVID_AD, 1000, 10000);
+	if (ret)
+		return dev_err_probe(st->dev, -ENODEV,
+				     "Invalid dev id 0x%02X, expected 0x%02X\n",
+				     val, ADXL367_DEVID_AD);
+
+	return 0;
+}
+
+static int adxl367_setup(struct adxl367_state *st)
+{
+	int ret;
+
+	ret = _adxl367_set_act_threshold(st, ADXL367_ACTIVITY,
+					 ADXL367_2G_RANGE_1G);
+	if (ret)
+		return ret;
+
+	ret = _adxl367_set_act_threshold(st, ADXL367_INACTIVITY,
+					 ADXL367_2G_RANGE_100MG);
+	if (ret)
+		return ret;
+
+	ret = adxl367_set_act_proc_mode(st, ADXL367_LOOPED);
+	if (ret)
+		return ret;
+
+	ret = _adxl367_set_odr(st, ADXL367_ODR_400HZ);
+	if (ret)
+		return ret;
+
+	ret = _adxl367_set_act_time_ms(st, 10);
+	if (ret)
+		return ret;
+
+	ret = _adxl367_set_inact_time_ms(st, 10000);
+	if (ret)
+		return ret;
+
+	return adxl367_set_measure_en(st, true);
+}
+
+static void adxl367_disable_regulators(void *data)
+{
+	struct adxl367_state *st = data;
+
+	regulator_bulk_disable(ARRAY_SIZE(st->regulators), st->regulators);
+}
+
+int adxl367_probe(struct device *dev, const struct adxl367_ops *ops,
+		  void *context, struct regmap *regmap, int irq)
+{
+	struct iio_dev *indio_dev;
+	struct adxl367_state *st;
+	int ret;
+
+	indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
+	if (!indio_dev)
+		return -ENOMEM;
+
+	st = iio_priv(indio_dev);
+	st->dev = dev;
+	st->regmap = regmap;
+	st->context = context;
+	st->ops = ops;
+
+	mutex_init(&st->lock);
+
+	indio_dev->channels = adxl367_channels;
+	indio_dev->num_channels = ARRAY_SIZE(adxl367_channels);
+	indio_dev->available_scan_masks = adxl367_channel_masks;
+	indio_dev->name = "adxl367";
+	indio_dev->info = &adxl367_info;
+	indio_dev->modes = INDIO_DIRECT_MODE;
+
+	st->regulators[0].supply = "vdd";
+	st->regulators[1].supply = "vddio";
+
+	ret = devm_regulator_bulk_get(st->dev, ARRAY_SIZE(st->regulators),
+				      st->regulators);
+	if (ret)
+		return dev_err_probe(st->dev, ret,
+				     "Failed to get regulators\n");
+
+	ret = regulator_bulk_enable(ARRAY_SIZE(st->regulators), st->regulators);
+	if (ret)
+		return dev_err_probe(st->dev, ret,
+				     "Failed to enable regulators\n");
+
+	ret = devm_add_action_or_reset(st->dev, adxl367_disable_regulators, st);
+	if (ret)
+		return dev_err_probe(st->dev, ret,
+				     "Failed to add regulators disable action\n");
+
+	ret = regmap_write(st->regmap, ADXL367_REG_RESET, ADXL367_RESET_CODE);
+	if (ret)
+		return ret;
+
+	ret = adxl367_verify_devid(st);
+	if (ret)
+		return ret;
+
+	ret = adxl367_setup(st);
+	if (ret)
+		return ret;
+
+	ret = devm_iio_kfifo_buffer_setup_ext(st->dev, indio_dev,
+					      INDIO_BUFFER_SOFTWARE,
+					      &adxl367_buffer_ops,
+					      adxl367_fifo_attributes);
+	if (ret)
+		return ret;
+
+	ret = devm_request_threaded_irq(st->dev, irq, NULL,
+					adxl367_irq_handler, IRQF_ONESHOT,
+					indio_dev->name, indio_dev);
+	if (ret)
+		return dev_err_probe(st->dev, ret, "Failed to request irq\n");
+
+	return devm_iio_device_register(dev, indio_dev);
+}
+EXPORT_SYMBOL_NS_GPL(adxl367_probe, IIO_ADXL367);
+
+MODULE_AUTHOR("Cosmin Tanislav <cosmin.tanislav@analog.com>");
+MODULE_DESCRIPTION("Analog Devices ADXL367 3-axis accelerometer driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/iio/accel/adxl367.h b/drivers/iio/accel/adxl367.h
new file mode 100644
index 000000000000..4a42622149b1
--- /dev/null
+++ b/drivers/iio/accel/adxl367.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2021 Analog Devices, Inc.
+ * Author: Cosmin Tanislav <cosmin.tanislav@analog.com>
+ */
+
+#ifndef _ADXL367_H_
+#define _ADXL367_H_
+
+#include <linux/types.h>
+
+struct device;
+struct regmap;
+
+struct adxl367_ops {
+	int (*read_fifo)(void *context, __be16 *fifo_buf,
+			 unsigned int fifo_entries);
+};
+
+int adxl367_probe(struct device *dev, const struct adxl367_ops *ops,
+		  void *context, struct regmap *regmap, int irq);
+
+#endif /* _ADXL367_H_ */
diff --git a/drivers/iio/accel/adxl367_i2c.c b/drivers/iio/accel/adxl367_i2c.c
new file mode 100644
index 000000000000..3606efa25835
--- /dev/null
+++ b/drivers/iio/accel/adxl367_i2c.c
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021 Analog Devices, Inc.
+ * Author: Cosmin Tanislav <cosmin.tanislav@analog.com>
+ */
+
+#include <linux/i2c.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+
+#include "adxl367.h"
+
+#define ADXL367_I2C_FIFO_DATA	0x42
+
+struct adxl367_i2c_state {
+	struct regmap *regmap;
+};
+
+static bool adxl367_readable_noinc_reg(struct device *dev, unsigned int reg)
+{
+	return reg == ADXL367_I2C_FIFO_DATA;
+}
+
+static int adxl367_i2c_read_fifo(void *context, __be16 *fifo_buf,
+				 unsigned int fifo_entries)
+{
+	struct adxl367_i2c_state *st = context;
+
+	return regmap_noinc_read(st->regmap, ADXL367_I2C_FIFO_DATA, fifo_buf,
+				 fifo_entries * sizeof(*fifo_buf));
+}
+
+static const struct regmap_config adxl367_i2c_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.readable_noinc_reg = adxl367_readable_noinc_reg,
+};
+
+static const struct adxl367_ops adxl367_i2c_ops = {
+	.read_fifo = adxl367_i2c_read_fifo,
+};
+
+static int adxl367_i2c_probe(struct i2c_client *client,
+			     const struct i2c_device_id *id)
+{
+	struct adxl367_i2c_state *st;
+	struct regmap *regmap;
+
+	st = devm_kzalloc(&client->dev, sizeof(*st), GFP_KERNEL);
+	if (!st)
+		return -ENOMEM;
+
+	regmap = devm_regmap_init_i2c(client, &adxl367_i2c_regmap_config);
+	if (IS_ERR(regmap))
+		return PTR_ERR(regmap);
+
+	st->regmap = regmap;
+
+	return adxl367_probe(&client->dev, &adxl367_i2c_ops, st, regmap,
+			     client->irq);
+}
+
+static const struct i2c_device_id adxl367_i2c_id[] = {
+	{ "adxl367", 0 },
+	{ },
+};
+MODULE_DEVICE_TABLE(i2c, adxl367_i2c_id);
+
+static const struct of_device_id adxl367_of_match[] = {
+	{ .compatible = "adi,adxl367" },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, adxl367_of_match);
+
+static struct i2c_driver adxl367_i2c_driver = {
+	.driver = {
+		.name = "adxl367_i2c",
+		.of_match_table = adxl367_of_match,
+	},
+	.probe = adxl367_i2c_probe,
+	.id_table = adxl367_i2c_id,
+};
+
+module_i2c_driver(adxl367_i2c_driver);
+
+MODULE_IMPORT_NS(IIO_ADXL367);
+MODULE_AUTHOR("Cosmin Tanislav <cosmin.tanislav@analog.com>");
+MODULE_DESCRIPTION("Analog Devices ADXL367 3-axis accelerometer I2C driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/iio/accel/adxl367_spi.c b/drivers/iio/accel/adxl367_spi.c
new file mode 100644
index 000000000000..26dfc821ebbe
--- /dev/null
+++ b/drivers/iio/accel/adxl367_spi.c
@@ -0,0 +1,164 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021 Analog Devices, Inc.
+ * Author: Cosmin Tanislav <cosmin.tanislav@analog.com>
+ */
+
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/spi/spi.h>
+
+#include "adxl367.h"
+
+#define ADXL367_SPI_WRITE_COMMAND	0x0A
+#define ADXL367_SPI_READ_COMMAND	0x0B
+#define ADXL367_SPI_FIFO_COMMAND	0x0D
+
+struct adxl367_spi_state {
+	struct spi_device	*spi;
+
+	struct spi_message	reg_write_msg;
+	struct spi_transfer	reg_write_xfer[2];
+
+	struct spi_message	reg_read_msg;
+	struct spi_transfer	reg_read_xfer[2];
+
+	struct spi_message	fifo_msg;
+	struct spi_transfer	fifo_xfer[2];
+
+	/*
+	 * DMA (thus cache coherency maintenance) requires the
+	 * transfer buffers to live in their own cache lines.
+	 */
+	u8			reg_write_tx_buf[1] ____cacheline_aligned;
+	u8			reg_read_tx_buf[2];
+	u8			fifo_tx_buf[1];
+};
+
+static int adxl367_read_fifo(void *context, __be16 *fifo_buf,
+			     unsigned int fifo_entries)
+{
+	struct adxl367_spi_state *st = context;
+
+	st->fifo_xfer[1].rx_buf = fifo_buf;
+	st->fifo_xfer[1].len = fifo_entries * sizeof(*fifo_buf);
+
+	return spi_sync(st->spi, &st->fifo_msg);
+}
+
+static int adxl367_read(void *context, const void *reg_buf, size_t reg_size,
+			void *val_buf, size_t val_size)
+{
+	struct adxl367_spi_state *st = context;
+	u8 reg = ((const u8 *)reg_buf)[0];
+
+	st->reg_read_tx_buf[1] = reg;
+	st->reg_read_xfer[1].rx_buf = val_buf;
+	st->reg_read_xfer[1].len = val_size;
+
+	return spi_sync(st->spi, &st->reg_read_msg);
+}
+
+static int adxl367_write(void *context, const void *val_buf, size_t val_size)
+{
+	struct adxl367_spi_state *st = context;
+
+	st->reg_write_xfer[1].tx_buf = val_buf;
+	st->reg_write_xfer[1].len = val_size;
+
+	return spi_sync(st->spi, &st->reg_write_msg);
+}
+
+static struct regmap_bus adxl367_spi_regmap_bus = {
+	.read = adxl367_read,
+	.write = adxl367_write,
+};
+
+static const struct regmap_config adxl367_spi_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+};
+
+static const struct adxl367_ops adxl367_spi_ops = {
+	.read_fifo = adxl367_read_fifo,
+};
+
+static int adxl367_spi_probe(struct spi_device *spi)
+{
+	struct adxl367_spi_state *st;
+	struct regmap *regmap;
+
+	st = devm_kzalloc(&spi->dev, sizeof(*st), GFP_KERNEL);
+	if (!st)
+		return -ENOMEM;
+
+	st->spi = spi;
+
+	/*
+	 * Xfer:   [XFR1] [           XFR2           ]
+	 * Master:  0x0A   ADDR DATA0 DATA1 ... DATAN
+	 * Slave:   ....   ..........................
+	 */
+	st->reg_write_tx_buf[0] = ADXL367_SPI_WRITE_COMMAND;
+	st->reg_write_xfer[0].tx_buf = st->reg_write_tx_buf;
+	st->reg_write_xfer[0].len = sizeof(st->reg_write_tx_buf);
+	spi_message_init_with_transfers(&st->reg_write_msg,
+					st->reg_write_xfer, 2);
+
+	/*
+	 * Xfer:   [   XFR1  ] [         XFR2        ]
+	 * Master:  0x0B ADDR   .....................
+	 * Slave:   .........   DATA0 DATA1 ... DATAN
+	 */
+	st->reg_read_tx_buf[0] = ADXL367_SPI_READ_COMMAND;
+	st->reg_read_xfer[0].tx_buf = st->reg_read_tx_buf;
+	st->reg_read_xfer[0].len = sizeof(st->reg_read_tx_buf);
+	spi_message_init_with_transfers(&st->reg_read_msg,
+					st->reg_read_xfer, 2);
+
+	/*
+	 * Xfer:   [XFR1] [         XFR2        ]
+	 * Master:  0x0D   .....................
+	 * Slave:   ....   DATA0 DATA1 ... DATAN
+	 */
+	st->fifo_tx_buf[0] = ADXL367_SPI_FIFO_COMMAND;
+	st->fifo_xfer[0].tx_buf = st->fifo_tx_buf;
+	st->fifo_xfer[0].len = sizeof(st->fifo_tx_buf);
+	spi_message_init_with_transfers(&st->fifo_msg, st->fifo_xfer, 2);
+
+	regmap = devm_regmap_init(&spi->dev, &adxl367_spi_regmap_bus, st,
+				  &adxl367_spi_regmap_config);
+	if (IS_ERR(regmap))
+		return PTR_ERR(regmap);
+
+	return adxl367_probe(&spi->dev, &adxl367_spi_ops, st, regmap, spi->irq);
+}
+
+static const struct spi_device_id adxl367_spi_id[] = {
+	{ "adxl367", 0 },
+	{ },
+};
+MODULE_DEVICE_TABLE(spi, adxl367_spi_id);
+
+static const struct of_device_id adxl367_of_match[] = {
+	{ .compatible = "adi,adxl367" },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, adxl367_of_match);
+
+static struct spi_driver adxl367_spi_driver = {
+	.driver = {
+		.name = "adxl367_spi",
+		.of_match_table = adxl367_of_match,
+	},
+	.probe = adxl367_spi_probe,
+	.id_table = adxl367_spi_id,
+};
+
+module_spi_driver(adxl367_spi_driver);
+
+MODULE_IMPORT_NS(IIO_ADXL367);
+MODULE_AUTHOR("Cosmin Tanislav <cosmin.tanislav@analog.com>");
+MODULE_DESCRIPTION("Analog Devices ADXL367 3-axis accelerometer SPI driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/iio/accel/adxl372.c b/drivers/iio/accel/adxl372.c
index 758952584f8c..e3ecbaee61f7 100644
--- a/drivers/iio/accel/adxl372.c
+++ b/drivers/iio/accel/adxl372.c
@@ -1176,7 +1176,7 @@ bool adxl372_readable_noinc_reg(struct device *dev, unsigned int reg)
 {
 	return (reg == ADXL372_FIFO_DATA);
 }
-EXPORT_SYMBOL_GPL(adxl372_readable_noinc_reg);
+EXPORT_SYMBOL_NS_GPL(adxl372_readable_noinc_reg, IIO_ADXL372);
 
 int adxl372_probe(struct device *dev, struct regmap *regmap,
 		  int irq, const char *name)
@@ -1260,7 +1260,7 @@ int adxl372_probe(struct device *dev, struct regmap *regmap,
 
 	return devm_iio_device_register(dev, indio_dev);
 }
-EXPORT_SYMBOL_GPL(adxl372_probe);
+EXPORT_SYMBOL_NS_GPL(adxl372_probe, IIO_ADXL372);
 
 MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>");
 MODULE_DESCRIPTION("Analog Devices ADXL372 3-axis accelerometer driver");
diff --git a/drivers/iio/accel/adxl372_i2c.c b/drivers/iio/accel/adxl372_i2c.c
index 9a07ab3d151a..4efb70a5fe40 100644
--- a/drivers/iio/accel/adxl372_i2c.c
+++ b/drivers/iio/accel/adxl372_i2c.c
@@ -67,3 +67,4 @@ module_i2c_driver(adxl372_i2c_driver);
 MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>");
 MODULE_DESCRIPTION("Analog Devices ADXL372 3-axis accelerometer I2C driver");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_ADXL372);
diff --git a/drivers/iio/accel/adxl372_spi.c b/drivers/iio/accel/adxl372_spi.c
index 1f1352fee99a..2bd267a22f29 100644
--- a/drivers/iio/accel/adxl372_spi.c
+++ b/drivers/iio/accel/adxl372_spi.c
@@ -59,3 +59,4 @@ module_spi_driver(adxl372_spi_driver);
 MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>");
 MODULE_DESCRIPTION("Analog Devices ADXL372 3-axis accelerometer SPI driver");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_ADXL372);
diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c
index d8a454c266d5..4f73bc827eec 100644
--- a/drivers/iio/accel/bma180.c
+++ b/drivers/iio/accel/bma180.c
@@ -1065,7 +1065,6 @@ static int bma180_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int bma180_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
@@ -1092,11 +1091,7 @@ static int bma180_resume(struct device *dev)
 	return ret;
 }
 
-static SIMPLE_DEV_PM_OPS(bma180_pm_ops, bma180_suspend, bma180_resume);
-#define BMA180_PM_OPS (&bma180_pm_ops)
-#else
-#define BMA180_PM_OPS NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(bma180_pm_ops, bma180_suspend, bma180_resume);
 
 static const struct i2c_device_id bma180_ids[] = {
 	{ "bma023", BMA023 },
@@ -1137,7 +1132,7 @@ MODULE_DEVICE_TABLE(of, bma180_of_match);
 static struct i2c_driver bma180_driver = {
 	.driver = {
 		.name	= "bma180",
-		.pm	= BMA180_PM_OPS,
+		.pm	= pm_sleep_ptr(&bma180_pm_ops),
 		.of_match_table = bma180_of_match,
 	},
 	.probe		= bma180_probe,
diff --git a/drivers/iio/accel/bma400_core.c b/drivers/iio/accel/bma400_core.c
index fd2647b728d3..043002fe6f63 100644
--- a/drivers/iio/accel/bma400_core.c
+++ b/drivers/iio/accel/bma400_core.c
@@ -136,7 +136,7 @@ const struct regmap_config bma400_regmap_config = {
 	.writeable_reg = bma400_is_writable_reg,
 	.volatile_reg = bma400_is_volatile_reg,
 };
-EXPORT_SYMBOL(bma400_regmap_config);
+EXPORT_SYMBOL_NS(bma400_regmap_config, IIO_BMA400);
 
 static const struct iio_mount_matrix *
 bma400_accel_get_mount_matrix(const struct iio_dev *indio_dev,
@@ -826,7 +826,7 @@ int bma400_probe(struct device *dev, struct regmap *regmap, const char *name)
 
 	return iio_device_register(indio_dev);
 }
-EXPORT_SYMBOL(bma400_probe);
+EXPORT_SYMBOL_NS(bma400_probe, IIO_BMA400);
 
 void bma400_remove(struct device *dev)
 {
@@ -846,7 +846,7 @@ void bma400_remove(struct device *dev)
 
 	iio_device_unregister(indio_dev);
 }
-EXPORT_SYMBOL(bma400_remove);
+EXPORT_SYMBOL_NS(bma400_remove, IIO_BMA400);
 
 MODULE_AUTHOR("Dan Robertson <dan@dlrobertson.com>");
 MODULE_DESCRIPTION("Bosch BMA400 triaxial acceleration sensor core");
diff --git a/drivers/iio/accel/bma400_i2c.c b/drivers/iio/accel/bma400_i2c.c
index f50df5310beb..da104ffd3fe0 100644
--- a/drivers/iio/accel/bma400_i2c.c
+++ b/drivers/iio/accel/bma400_i2c.c
@@ -61,3 +61,4 @@ module_i2c_driver(bma400_i2c_driver);
 MODULE_AUTHOR("Dan Robertson <dan@dlrobertson.com>");
 MODULE_DESCRIPTION("Bosch BMA400 triaxial acceleration sensor (I2C)");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_BMA400);
diff --git a/drivers/iio/accel/bma400_spi.c b/drivers/iio/accel/bma400_spi.c
index 9040a717b247..51f23bdc0ea5 100644
--- a/drivers/iio/accel/bma400_spi.c
+++ b/drivers/iio/accel/bma400_spi.c
@@ -118,3 +118,4 @@ module_spi_driver(bma400_spi_driver);
 MODULE_AUTHOR("Dan Robertson <dan@dlrobertson.com>");
 MODULE_DESCRIPTION("Bosch BMA400 triaxial acceleration sensor (SPI)");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_BMA400);
diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c
index d11f668016a6..7516d7dde1af 100644
--- a/drivers/iio/accel/bmc150-accel-core.c
+++ b/drivers/iio/accel/bmc150-accel-core.c
@@ -203,7 +203,7 @@ const struct regmap_config bmc150_regmap_conf = {
 	.val_bits = 8,
 	.max_register = 0x3f,
 };
-EXPORT_SYMBOL_GPL(bmc150_regmap_conf);
+EXPORT_SYMBOL_NS_GPL(bmc150_regmap_conf, IIO_BMC150);
 
 static int bmc150_accel_set_mode(struct bmc150_accel_data *data,
 				 enum bmc150_power_modes mode,
@@ -1801,7 +1801,7 @@ err_disable_regulators:
 
 	return ret;
 }
-EXPORT_SYMBOL_GPL(bmc150_accel_core_probe);
+EXPORT_SYMBOL_NS_GPL(bmc150_accel_core_probe, IIO_BMC150);
 
 void bmc150_accel_core_remove(struct device *dev)
 {
@@ -1824,7 +1824,7 @@ void bmc150_accel_core_remove(struct device *dev)
 	regulator_bulk_disable(ARRAY_SIZE(data->regulators),
 			       data->regulators);
 }
-EXPORT_SYMBOL_GPL(bmc150_accel_core_remove);
+EXPORT_SYMBOL_NS_GPL(bmc150_accel_core_remove, IIO_BMC150);
 
 #ifdef CONFIG_PM_SLEEP
 static int bmc150_accel_suspend(struct device *dev)
@@ -1899,7 +1899,7 @@ const struct dev_pm_ops bmc150_accel_pm_ops = {
 	SET_RUNTIME_PM_OPS(bmc150_accel_runtime_suspend,
 			   bmc150_accel_runtime_resume, NULL)
 };
-EXPORT_SYMBOL_GPL(bmc150_accel_pm_ops);
+EXPORT_SYMBOL_NS_GPL(bmc150_accel_pm_ops, IIO_BMC150);
 
 MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/accel/bmc150-accel-i2c.c b/drivers/iio/accel/bmc150-accel-i2c.c
index 9e52df9a8f07..dff4d7dd101c 100644
--- a/drivers/iio/accel/bmc150-accel-i2c.c
+++ b/drivers/iio/accel/bmc150-accel-i2c.c
@@ -280,3 +280,4 @@ module_i2c_driver(bmc150_accel_driver);
 MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("BMC150 I2C accelerometer driver");
+MODULE_IMPORT_NS(IIO_BMC150);
diff --git a/drivers/iio/accel/bmc150-accel-spi.c b/drivers/iio/accel/bmc150-accel-spi.c
index 80007cc2d044..921fb46be0b8 100644
--- a/drivers/iio/accel/bmc150-accel-spi.c
+++ b/drivers/iio/accel/bmc150-accel-spi.c
@@ -82,3 +82,4 @@ module_spi_driver(bmc150_accel_driver);
 MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("BMC150 SPI accelerometer driver");
+MODULE_IMPORT_NS(IIO_BMC150);
diff --git a/drivers/iio/accel/bmi088-accel-core.c b/drivers/iio/accel/bmi088-accel-core.c
index d74465214feb..8b2728bbcade 100644
--- a/drivers/iio/accel/bmi088-accel-core.c
+++ b/drivers/iio/accel/bmi088-accel-core.c
@@ -146,7 +146,7 @@ const struct regmap_config bmi088_regmap_conf = {
 	.volatile_table = &bmi088_volatile_table,
 	.cache_type = REGCACHE_RBTREE,
 };
-EXPORT_SYMBOL_GPL(bmi088_regmap_conf);
+EXPORT_SYMBOL_NS_GPL(bmi088_regmap_conf, IIO_BMI088);
 
 static int bmi088_accel_power_up(struct bmi088_accel_data *data)
 {
@@ -533,7 +533,7 @@ int bmi088_accel_core_probe(struct device *dev, struct regmap *regmap,
 
 	return ret;
 }
-EXPORT_SYMBOL_GPL(bmi088_accel_core_probe);
+EXPORT_SYMBOL_NS_GPL(bmi088_accel_core_probe, IIO_BMI088);
 
 
 void bmi088_accel_core_remove(struct device *dev)
@@ -547,7 +547,7 @@ void bmi088_accel_core_remove(struct device *dev)
 	pm_runtime_set_suspended(dev);
 	bmi088_accel_power_down(data);
 }
-EXPORT_SYMBOL_GPL(bmi088_accel_core_remove);
+EXPORT_SYMBOL_NS_GPL(bmi088_accel_core_remove, IIO_BMI088);
 
 static int __maybe_unused bmi088_accel_runtime_suspend(struct device *dev)
 {
@@ -571,7 +571,7 @@ const struct dev_pm_ops bmi088_accel_pm_ops = {
 	SET_RUNTIME_PM_OPS(bmi088_accel_runtime_suspend,
 			   bmi088_accel_runtime_resume, NULL)
 };
-EXPORT_SYMBOL_GPL(bmi088_accel_pm_ops);
+EXPORT_SYMBOL_NS_GPL(bmi088_accel_pm_ops, IIO_BMI088);
 
 MODULE_AUTHOR("Niek van Agt <niek.van.agt@topicproducts.com>");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/accel/bmi088-accel-spi.c b/drivers/iio/accel/bmi088-accel-spi.c
index 06d99d9949f3..167c36cf1eb8 100644
--- a/drivers/iio/accel/bmi088-accel-spi.c
+++ b/drivers/iio/accel/bmi088-accel-spi.c
@@ -81,3 +81,4 @@ module_spi_driver(bmi088_accel_driver);
 MODULE_AUTHOR("Niek van Agt <niek.van.agt@topicproducts.com>");
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("BMI088 accelerometer driver (SPI)");
+MODULE_IMPORT_NS(IIO_BMI088);
diff --git a/drivers/iio/accel/da280.c b/drivers/iio/accel/da280.c
index 9633bdae5fd4..04e9c5678964 100644
--- a/drivers/iio/accel/da280.c
+++ b/drivers/iio/accel/da280.c
@@ -153,7 +153,6 @@ static int da280_probe(struct i2c_client *client,
 	return devm_iio_device_register(&client->dev, indio_dev);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int da280_suspend(struct device *dev)
 {
 	return da280_enable(to_i2c_client(dev), false);
@@ -163,9 +162,8 @@ static int da280_resume(struct device *dev)
 {
 	return da280_enable(to_i2c_client(dev), true);
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(da280_pm_ops, da280_suspend, da280_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(da280_pm_ops, da280_suspend, da280_resume);
 
 static const struct acpi_device_id da280_acpi_match[] = {
 	{"MIRAACC", da280},
@@ -184,7 +182,7 @@ static struct i2c_driver da280_driver = {
 	.driver = {
 		.name = "da280",
 		.acpi_match_table = ACPI_PTR(da280_acpi_match),
-		.pm = &da280_pm_ops,
+		.pm = pm_sleep_ptr(&da280_pm_ops),
 	},
 	.probe		= da280_probe,
 	.id_table	= da280_i2c_id,
diff --git a/drivers/iio/accel/da311.c b/drivers/iio/accel/da311.c
index 04e13487e706..ec4e29d260f7 100644
--- a/drivers/iio/accel/da311.c
+++ b/drivers/iio/accel/da311.c
@@ -256,7 +256,6 @@ static int da311_probe(struct i2c_client *client,
 	return devm_iio_device_register(&client->dev, indio_dev);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int da311_suspend(struct device *dev)
 {
 	return da311_enable(to_i2c_client(dev), false);
@@ -266,9 +265,8 @@ static int da311_resume(struct device *dev)
 {
 	return da311_enable(to_i2c_client(dev), true);
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(da311_pm_ops, da311_suspend, da311_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(da311_pm_ops, da311_suspend, da311_resume);
 
 static const struct i2c_device_id da311_i2c_id[] = {
 	{"da311", 0},
@@ -279,7 +277,7 @@ MODULE_DEVICE_TABLE(i2c, da311_i2c_id);
 static struct i2c_driver da311_driver = {
 	.driver = {
 		.name = "da311",
-		.pm = &da311_pm_ops,
+		.pm = pm_sleep_ptr(&da311_pm_ops),
 	},
 	.probe		= da311_probe,
 	.id_table	= da311_i2c_id,
diff --git a/drivers/iio/accel/dmard06.c b/drivers/iio/accel/dmard06.c
index de2868c28d95..4b69c8530f5e 100644
--- a/drivers/iio/accel/dmard06.c
+++ b/drivers/iio/accel/dmard06.c
@@ -170,7 +170,6 @@ static int dmard06_probe(struct i2c_client *client,
 	return devm_iio_device_register(&client->dev, indio_dev);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int dmard06_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
@@ -199,11 +198,8 @@ static int dmard06_resume(struct device *dev)
 	return 0;
 }
 
-static SIMPLE_DEV_PM_OPS(dmard06_pm_ops, dmard06_suspend, dmard06_resume);
-#define DMARD06_PM_OPS (&dmard06_pm_ops)
-#else
-#define DMARD06_PM_OPS NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(dmard06_pm_ops, dmard06_suspend,
+				dmard06_resume);
 
 static const struct i2c_device_id dmard06_id[] = {
 	{ "dmard05", 0 },
@@ -227,7 +223,7 @@ static struct i2c_driver dmard06_driver = {
 	.driver = {
 		.name = DMARD06_DRV_NAME,
 		.of_match_table = dmard06_of_match,
-		.pm = DMARD06_PM_OPS,
+		.pm = pm_sleep_ptr(&dmard06_pm_ops),
 	},
 };
 module_i2c_driver(dmard06_driver);
diff --git a/drivers/iio/accel/dmard09.c b/drivers/iio/accel/dmard09.c
index e6e28c964777..53ab6078cb7f 100644
--- a/drivers/iio/accel/dmard09.c
+++ b/drivers/iio/accel/dmard09.c
@@ -126,7 +126,7 @@ static int dmard09_probe(struct i2c_client *client,
 }
 
 static const struct i2c_device_id dmard09_id[] = {
-	{ "dmard09", 0},
+	{ "dmard09", 0 },
 	{ },
 };
 
diff --git a/drivers/iio/accel/dmard10.c b/drivers/iio/accel/dmard10.c
index f9f173eec202..8ac62ec0a04a 100644
--- a/drivers/iio/accel/dmard10.c
+++ b/drivers/iio/accel/dmard10.c
@@ -218,7 +218,6 @@ static int dmard10_probe(struct i2c_client *client,
 	return devm_iio_device_register(&client->dev, indio_dev);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int dmard10_suspend(struct device *dev)
 {
 	return dmard10_shutdown(to_i2c_client(dev));
@@ -228,9 +227,9 @@ static int dmard10_resume(struct device *dev)
 {
 	return dmard10_reset(to_i2c_client(dev));
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(dmard10_pm_ops, dmard10_suspend, dmard10_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(dmard10_pm_ops, dmard10_suspend,
+				dmard10_resume);
 
 static const struct i2c_device_id dmard10_i2c_id[] = {
 	{"dmard10", 0},
@@ -241,7 +240,7 @@ MODULE_DEVICE_TABLE(i2c, dmard10_i2c_id);
 static struct i2c_driver dmard10_driver = {
 	.driver = {
 		.name = "dmard10",
-		.pm = &dmard10_pm_ops,
+		.pm = pm_sleep_ptr(&dmard10_pm_ops),
 	},
 	.probe		= dmard10_probe,
 	.id_table	= dmard10_i2c_id,
diff --git a/drivers/iio/accel/fxls8962af-core.c b/drivers/iio/accel/fxls8962af-core.c
index f7fd9e046588..a9d2f10d5d45 100644
--- a/drivers/iio/accel/fxls8962af-core.c
+++ b/drivers/iio/accel/fxls8962af-core.c
@@ -178,7 +178,7 @@ const struct regmap_config fxls8962af_i2c_regmap_conf = {
 	.val_bits = 8,
 	.max_register = FXLS8962AF_MAX_REG,
 };
-EXPORT_SYMBOL_GPL(fxls8962af_i2c_regmap_conf);
+EXPORT_SYMBOL_NS_GPL(fxls8962af_i2c_regmap_conf, IIO_FXLS8962AF);
 
 const struct regmap_config fxls8962af_spi_regmap_conf = {
 	.reg_bits = 8,
@@ -186,7 +186,7 @@ const struct regmap_config fxls8962af_spi_regmap_conf = {
 	.val_bits = 8,
 	.max_register = FXLS8962AF_MAX_REG,
 };
-EXPORT_SYMBOL_GPL(fxls8962af_spi_regmap_conf);
+EXPORT_SYMBOL_NS_GPL(fxls8962af_spi_regmap_conf, IIO_FXLS8962AF);
 
 enum {
 	fxls8962af_idx_x,
@@ -1240,7 +1240,7 @@ int fxls8962af_core_probe(struct device *dev, struct regmap *regmap, int irq)
 
 	return devm_iio_device_register(dev, indio_dev);
 }
-EXPORT_SYMBOL_GPL(fxls8962af_core_probe);
+EXPORT_SYMBOL_NS_GPL(fxls8962af_core_probe, IIO_FXLS8962AF);
 
 static int __maybe_unused fxls8962af_runtime_suspend(struct device *dev)
 {
@@ -1306,7 +1306,7 @@ const struct dev_pm_ops fxls8962af_pm_ops = {
 	SET_RUNTIME_PM_OPS(fxls8962af_runtime_suspend,
 			   fxls8962af_runtime_resume, NULL)
 };
-EXPORT_SYMBOL_GPL(fxls8962af_pm_ops);
+EXPORT_SYMBOL_NS_GPL(fxls8962af_pm_ops, IIO_FXLS8962AF);
 
 MODULE_AUTHOR("Sean Nyekjaer <sean@geanix.com>");
 MODULE_DESCRIPTION("NXP FXLS8962AF/FXLS8964AF accelerometer driver");
diff --git a/drivers/iio/accel/fxls8962af-i2c.c b/drivers/iio/accel/fxls8962af-i2c.c
index 6bde9891effb..8fbadfea1620 100644
--- a/drivers/iio/accel/fxls8962af-i2c.c
+++ b/drivers/iio/accel/fxls8962af-i2c.c
@@ -55,3 +55,4 @@ module_i2c_driver(fxls8962af_driver);
 MODULE_AUTHOR("Sean Nyekjaer <sean@geanix.com>");
 MODULE_DESCRIPTION("NXP FXLS8962AF/FXLS8964AF accelerometer i2c driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_FXLS8962AF);
diff --git a/drivers/iio/accel/fxls8962af-spi.c b/drivers/iio/accel/fxls8962af-spi.c
index 6f4dff3238d3..885b3ab7fcb5 100644
--- a/drivers/iio/accel/fxls8962af-spi.c
+++ b/drivers/iio/accel/fxls8962af-spi.c
@@ -55,3 +55,4 @@ module_spi_driver(fxls8962af_driver);
 MODULE_AUTHOR("Sean Nyekjaer <sean@geanix.com>");
 MODULE_DESCRIPTION("NXP FXLS8962AF/FXLS8964AF accelerometer spi driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_FXLS8962AF);
diff --git a/drivers/iio/accel/kxsd9-i2c.c b/drivers/iio/accel/kxsd9-i2c.c
index 274b41a6e603..c8dc52f11037 100644
--- a/drivers/iio/accel/kxsd9-i2c.c
+++ b/drivers/iio/accel/kxsd9-i2c.c
@@ -65,3 +65,4 @@ module_i2c_driver(kxsd9_i2c_driver);
 
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("KXSD9 accelerometer I2C interface");
+MODULE_IMPORT_NS(IIO_KXSD9);
diff --git a/drivers/iio/accel/kxsd9-spi.c b/drivers/iio/accel/kxsd9-spi.c
index 57c451cfb9e5..ec17e35e573e 100644
--- a/drivers/iio/accel/kxsd9-spi.c
+++ b/drivers/iio/accel/kxsd9-spi.c
@@ -64,3 +64,4 @@ module_spi_driver(kxsd9_spi_driver);
 MODULE_AUTHOR("Jonathan Cameron <jic23@kernel.org>");
 MODULE_DESCRIPTION("Kionix KXSD9 SPI driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_KXSD9);
diff --git a/drivers/iio/accel/kxsd9.c b/drivers/iio/accel/kxsd9.c
index 552eba5e8b4f..3975860331a6 100644
--- a/drivers/iio/accel/kxsd9.c
+++ b/drivers/iio/accel/kxsd9.c
@@ -476,7 +476,7 @@ err_power_down:
 
 	return ret;
 }
-EXPORT_SYMBOL(kxsd9_common_probe);
+EXPORT_SYMBOL_NS(kxsd9_common_probe, IIO_KXSD9);
 
 void kxsd9_common_remove(struct device *dev)
 {
@@ -490,7 +490,7 @@ void kxsd9_common_remove(struct device *dev)
 	pm_runtime_disable(dev);
 	kxsd9_power_down(st);
 }
-EXPORT_SYMBOL(kxsd9_common_remove);
+EXPORT_SYMBOL_NS(kxsd9_common_remove, IIO_KXSD9);
 
 #ifdef CONFIG_PM
 static int kxsd9_runtime_suspend(struct device *dev)
@@ -516,7 +516,7 @@ const struct dev_pm_ops kxsd9_dev_pm_ops = {
 	SET_RUNTIME_PM_OPS(kxsd9_runtime_suspend,
 			   kxsd9_runtime_resume, NULL)
 };
-EXPORT_SYMBOL(kxsd9_dev_pm_ops);
+EXPORT_SYMBOL_NS(kxsd9_dev_pm_ops, IIO_KXSD9);
 
 MODULE_AUTHOR("Jonathan Cameron <jic23@kernel.org>");
 MODULE_DESCRIPTION("Kionix KXSD9 driver");
diff --git a/drivers/iio/accel/mc3230.c b/drivers/iio/accel/mc3230.c
index 735002b716f3..679e69cd7657 100644
--- a/drivers/iio/accel/mc3230.c
+++ b/drivers/iio/accel/mc3230.c
@@ -160,7 +160,6 @@ static int mc3230_remove(struct i2c_client *client)
 	return mc3230_set_opcon(iio_priv(indio_dev), MC3230_MODE_OPCON_STANDBY);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int mc3230_suspend(struct device *dev)
 {
 	struct mc3230_data *data;
@@ -178,9 +177,8 @@ static int mc3230_resume(struct device *dev)
 
 	return mc3230_set_opcon(data, MC3230_MODE_OPCON_WAKE);
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(mc3230_pm_ops, mc3230_suspend, mc3230_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(mc3230_pm_ops, mc3230_suspend, mc3230_resume);
 
 static const struct i2c_device_id mc3230_i2c_id[] = {
 	{"mc3230", 0},
@@ -191,7 +189,7 @@ MODULE_DEVICE_TABLE(i2c, mc3230_i2c_id);
 static struct i2c_driver mc3230_driver = {
 	.driver = {
 		.name = "mc3230",
-		.pm = &mc3230_pm_ops,
+		.pm = pm_sleep_ptr(&mc3230_pm_ops),
 	},
 	.probe		= mc3230_probe,
 	.remove		= mc3230_remove,
diff --git a/drivers/iio/accel/mma7455_core.c b/drivers/iio/accel/mma7455_core.c
index e6739ba74edf..a34195b3215d 100644
--- a/drivers/iio/accel/mma7455_core.c
+++ b/drivers/iio/accel/mma7455_core.c
@@ -238,7 +238,7 @@ const struct regmap_config mma7455_core_regmap = {
 	.val_bits = 8,
 	.max_register = MMA7455_REG_TW,
 };
-EXPORT_SYMBOL_GPL(mma7455_core_regmap);
+EXPORT_SYMBOL_NS_GPL(mma7455_core_regmap, IIO_MMA7455);
 
 int mma7455_core_probe(struct device *dev, struct regmap *regmap,
 		       const char *name)
@@ -293,7 +293,7 @@ int mma7455_core_probe(struct device *dev, struct regmap *regmap,
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(mma7455_core_probe);
+EXPORT_SYMBOL_NS_GPL(mma7455_core_probe, IIO_MMA7455);
 
 void mma7455_core_remove(struct device *dev)
 {
@@ -306,7 +306,7 @@ void mma7455_core_remove(struct device *dev)
 	regmap_write(mma7455->regmap, MMA7455_REG_MCTL,
 		     MMA7455_MCTL_MODE_STANDBY);
 }
-EXPORT_SYMBOL_GPL(mma7455_core_remove);
+EXPORT_SYMBOL_NS_GPL(mma7455_core_remove, IIO_MMA7455);
 
 MODULE_AUTHOR("Joachim Eastwood <manabian@gmail.com>");
 MODULE_DESCRIPTION("Freescale MMA7455L core accelerometer driver");
diff --git a/drivers/iio/accel/mma7455_i2c.c b/drivers/iio/accel/mma7455_i2c.c
index 8a5256516f9f..a3b84e8a3ea8 100644
--- a/drivers/iio/accel/mma7455_i2c.c
+++ b/drivers/iio/accel/mma7455_i2c.c
@@ -61,3 +61,4 @@ module_i2c_driver(mma7455_i2c_driver);
 MODULE_AUTHOR("Joachim Eastwood <manabian@gmail.com>");
 MODULE_DESCRIPTION("Freescale MMA7455L I2C accelerometer driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_MMA7455);
diff --git a/drivers/iio/accel/mma7455_spi.c b/drivers/iio/accel/mma7455_spi.c
index b746031551a3..fcdde2e8a84b 100644
--- a/drivers/iio/accel/mma7455_spi.c
+++ b/drivers/iio/accel/mma7455_spi.c
@@ -47,3 +47,4 @@ module_spi_driver(mma7455_spi_driver);
 MODULE_AUTHOR("Joachim Eastwood <manabian@gmail.com>");
 MODULE_DESCRIPTION("Freescale MMA7455L SPI accelerometer driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_MMA7455);
diff --git a/drivers/iio/accel/mma7660.c b/drivers/iio/accel/mma7660.c
index 24b83ccdb950..112a5a33c29f 100644
--- a/drivers/iio/accel/mma7660.c
+++ b/drivers/iio/accel/mma7660.c
@@ -222,7 +222,6 @@ static int mma7660_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int mma7660_suspend(struct device *dev)
 {
 	struct mma7660_data *data;
@@ -241,12 +240,8 @@ static int mma7660_resume(struct device *dev)
 	return mma7660_set_mode(data, MMA7660_MODE_ACTIVE);
 }
 
-static SIMPLE_DEV_PM_OPS(mma7660_pm_ops, mma7660_suspend, mma7660_resume);
-
-#define MMA7660_PM_OPS (&mma7660_pm_ops)
-#else
-#define MMA7660_PM_OPS NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(mma7660_pm_ops, mma7660_suspend,
+				mma7660_resume);
 
 static const struct i2c_device_id mma7660_i2c_id[] = {
 	{"mma7660", 0},
@@ -270,7 +265,7 @@ MODULE_DEVICE_TABLE(acpi, mma7660_acpi_id);
 static struct i2c_driver mma7660_driver = {
 	.driver = {
 		.name = "mma7660",
-		.pm = MMA7660_PM_OPS,
+		.pm = pm_sleep_ptr(&mma7660_pm_ops),
 		.of_match_table = mma7660_of_match,
 		.acpi_match_table = ACPI_PTR(mma7660_acpi_id),
 	},
diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
index 64b82b4503ad..9c02c681c84c 100644
--- a/drivers/iio/accel/mma8452.c
+++ b/drivers/iio/accel/mma8452.c
@@ -104,6 +104,7 @@
 struct mma8452_data {
 	struct i2c_client *client;
 	struct mutex lock;
+	struct iio_mount_matrix orientation;
 	u8 ctrl_reg1;
 	u8 data_cfg;
 	const struct mma_chip_info *chip_info;
@@ -176,6 +177,7 @@ static const struct mma8452_event_regs trans_ev_regs = {
  * @enabled_events:		event flags enabled and handled by this driver
  */
 struct mma_chip_info {
+	const char *name;
 	u8 chip_id;
 	const struct iio_chan_spec *channels;
 	int num_channels;
@@ -379,8 +381,8 @@ static ssize_t mma8452_show_scale_avail(struct device *dev,
 					struct device_attribute *attr,
 					char *buf)
 {
-	struct mma8452_data *data = iio_priv(i2c_get_clientdata(
-					     to_i2c_client(dev)));
+	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+	struct mma8452_data *data = iio_priv(indio_dev);
 
 	return mma8452_show_int_plus_micros(buf, data->chip_info->mma_scales,
 		ARRAY_SIZE(data->chip_info->mma_scales));
@@ -1189,6 +1191,20 @@ static const struct attribute_group mma8452_event_attribute_group = {
 	.attrs = mma8452_event_attributes,
 };
 
+static const struct iio_mount_matrix *
+mma8452_get_mount_matrix(const struct iio_dev *indio_dev,
+			   const struct iio_chan_spec *chan)
+{
+	struct mma8452_data *data = iio_priv(indio_dev);
+
+	return &data->orientation;
+}
+
+static const struct iio_chan_spec_ext_info mma8452_ext_info[] = {
+	IIO_MOUNT_MATRIX(IIO_SHARED_BY_TYPE, mma8452_get_mount_matrix),
+	{ }
+};
+
 #define MMA8452_FREEFALL_CHANNEL(modifier) { \
 	.type = IIO_ACCEL, \
 	.modified = 1, \
@@ -1227,6 +1243,7 @@ static const struct attribute_group mma8452_event_attribute_group = {
 	}, \
 	.event_spec = mma8452_transient_event, \
 	.num_event_specs = ARRAY_SIZE(mma8452_transient_event), \
+	.ext_info = mma8452_ext_info, \
 }
 
 #define MMA8652_CHANNEL(axis, idx, bits) { \
@@ -1248,6 +1265,7 @@ static const struct attribute_group mma8452_event_attribute_group = {
 	}, \
 	.event_spec = mma8452_motion_event, \
 	.num_event_specs = ARRAY_SIZE(mma8452_motion_event), \
+	.ext_info = mma8452_ext_info, \
 }
 
 static const struct iio_chan_spec mma8451_channels[] = {
@@ -1301,6 +1319,7 @@ enum {
 
 static const struct mma_chip_info mma_chip_info_table[] = {
 	[mma8451] = {
+		.name = "mma8451",
 		.chip_id = MMA8451_DEVICE_ID,
 		.channels = mma8451_channels,
 		.num_channels = ARRAY_SIZE(mma8451_channels),
@@ -1325,6 +1344,7 @@ static const struct mma_chip_info mma_chip_info_table[] = {
 					MMA8452_INT_FF_MT,
 	},
 	[mma8452] = {
+		.name = "mma8452",
 		.chip_id = MMA8452_DEVICE_ID,
 		.channels = mma8452_channels,
 		.num_channels = ARRAY_SIZE(mma8452_channels),
@@ -1341,6 +1361,7 @@ static const struct mma_chip_info mma_chip_info_table[] = {
 					MMA8452_INT_FF_MT,
 	},
 	[mma8453] = {
+		.name = "mma8453",
 		.chip_id = MMA8453_DEVICE_ID,
 		.channels = mma8453_channels,
 		.num_channels = ARRAY_SIZE(mma8453_channels),
@@ -1357,6 +1378,7 @@ static const struct mma_chip_info mma_chip_info_table[] = {
 					MMA8452_INT_FF_MT,
 	},
 	[mma8652] = {
+		.name = "mma8652",
 		.chip_id = MMA8652_DEVICE_ID,
 		.channels = mma8652_channels,
 		.num_channels = ARRAY_SIZE(mma8652_channels),
@@ -1366,6 +1388,7 @@ static const struct mma_chip_info mma_chip_info_table[] = {
 		.enabled_events = MMA8452_INT_FF_MT,
 	},
 	[mma8653] = {
+		.name = "mma8653",
 		.chip_id = MMA8653_DEVICE_ID,
 		.channels = mma8653_channels,
 		.num_channels = ARRAY_SIZE(mma8653_channels),
@@ -1380,6 +1403,7 @@ static const struct mma_chip_info mma_chip_info_table[] = {
 		.enabled_events = MMA8452_INT_FF_MT,
 	},
 	[fxls8471] = {
+		.name = "fxls8471",
 		.chip_id = FXLS8471_DEVICE_ID,
 		.channels = mma8451_channels,
 		.num_channels = ARRAY_SIZE(mma8451_channels),
@@ -1522,13 +1546,6 @@ static int mma8452_probe(struct i2c_client *client,
 	struct mma8452_data *data;
 	struct iio_dev *indio_dev;
 	int ret;
-	const struct of_device_id *match;
-
-	match = of_match_device(mma8452_dt_ids, &client->dev);
-	if (!match) {
-		dev_err(&client->dev, "unknown device model\n");
-		return -ENODEV;
-	}
 
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
 	if (!indio_dev)
@@ -1537,7 +1554,18 @@ static int mma8452_probe(struct i2c_client *client,
 	data = iio_priv(indio_dev);
 	data->client = client;
 	mutex_init(&data->lock);
-	data->chip_info = match->data;
+
+	data->chip_info = device_get_match_data(&client->dev);
+	if (!data->chip_info && id) {
+		data->chip_info = &mma_chip_info_table[id->driver_data];
+	} else {
+		dev_err(&client->dev, "unknown device model\n");
+		return -ENODEV;
+	}
+
+	ret = iio_read_mount_matrix(&client->dev, &data->orientation);
+	if (ret)
+		return ret;
 
 	data->vdd_reg = devm_regulator_get(&client->dev, "vdd");
 	if (IS_ERR(data->vdd_reg))
@@ -1581,11 +1609,11 @@ static int mma8452_probe(struct i2c_client *client,
 	}
 
 	dev_info(&client->dev, "registering %s accelerometer; ID 0x%x\n",
-		 match->compatible, data->chip_info->chip_id);
+		 data->chip_info->name, data->chip_info->chip_id);
 
 	i2c_set_clientdata(client, indio_dev);
 	indio_dev->info = &mma8452_info;
-	indio_dev->name = id->name;
+	indio_dev->name = data->chip_info->name;
 	indio_dev->modes = INDIO_DIRECT_MODE;
 	indio_dev->channels = data->chip_info->channels;
 	indio_dev->num_channels = data->chip_info->num_channels;
@@ -1810,7 +1838,7 @@ MODULE_DEVICE_TABLE(i2c, mma8452_id);
 static struct i2c_driver mma8452_driver = {
 	.driver = {
 		.name	= "mma8452",
-		.of_match_table = of_match_ptr(mma8452_dt_ids),
+		.of_match_table = mma8452_dt_ids,
 		.pm	= &mma8452_pm_ops,
 	},
 	.probe = mma8452_probe,
diff --git a/drivers/iio/accel/mma9551.c b/drivers/iio/accel/mma9551.c
index c53a3398b14c..123cdbbb265c 100644
--- a/drivers/iio/accel/mma9551.c
+++ b/drivers/iio/accel/mma9551.c
@@ -526,7 +526,6 @@ static int mma9551_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM
 static int mma9551_runtime_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
@@ -558,9 +557,7 @@ static int mma9551_runtime_resume(struct device *dev)
 
 	return 0;
 }
-#endif
 
-#ifdef CONFIG_PM_SLEEP
 static int mma9551_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
@@ -586,12 +583,10 @@ static int mma9551_resume(struct device *dev)
 
 	return ret;
 }
-#endif
 
 static const struct dev_pm_ops mma9551_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(mma9551_suspend, mma9551_resume)
-	SET_RUNTIME_PM_OPS(mma9551_runtime_suspend,
-			   mma9551_runtime_resume, NULL)
+	SYSTEM_SLEEP_PM_OPS(mma9551_suspend, mma9551_resume)
+	RUNTIME_PM_OPS(mma9551_runtime_suspend, mma9551_runtime_resume, NULL)
 };
 
 static const struct acpi_device_id mma9551_acpi_match[] = {
@@ -612,7 +607,7 @@ static struct i2c_driver mma9551_driver = {
 	.driver = {
 		   .name = MMA9551_DRV_NAME,
 		   .acpi_match_table = ACPI_PTR(mma9551_acpi_match),
-		   .pm = &mma9551_pm_ops,
+		   .pm = pm_ptr(&mma9551_pm_ops),
 		   },
 	.probe = mma9551_probe,
 	.remove = mma9551_remove,
@@ -625,3 +620,4 @@ MODULE_AUTHOR("Irina Tirdea <irina.tirdea@intel.com>");
 MODULE_AUTHOR("Vlad Dogaru <vlad.dogaru@intel.com>");
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("MMA9551L motion-sensing platform driver");
+MODULE_IMPORT_NS(IIO_MMA9551);
diff --git a/drivers/iio/accel/mma9551_core.c b/drivers/iio/accel/mma9551_core.c
index fbf2e2c45678..64ca7d7a9673 100644
--- a/drivers/iio/accel/mma9551_core.c
+++ b/drivers/iio/accel/mma9551_core.c
@@ -219,7 +219,7 @@ int mma9551_read_config_byte(struct i2c_client *client, u8 app_id,
 	return mma9551_transfer(client, app_id, MMA9551_CMD_READ_CONFIG,
 				reg, NULL, 0, val, 1);
 }
-EXPORT_SYMBOL(mma9551_read_config_byte);
+EXPORT_SYMBOL_NS(mma9551_read_config_byte, IIO_MMA9551);
 
 /**
  * mma9551_write_config_byte() - write 1 configuration byte
@@ -244,7 +244,7 @@ int mma9551_write_config_byte(struct i2c_client *client, u8 app_id,
 	return mma9551_transfer(client, app_id, MMA9551_CMD_WRITE_CONFIG, reg,
 				&val, 1, NULL, 0);
 }
-EXPORT_SYMBOL(mma9551_write_config_byte);
+EXPORT_SYMBOL_NS(mma9551_write_config_byte, IIO_MMA9551);
 
 /**
  * mma9551_read_status_byte() - read 1 status byte
@@ -269,7 +269,7 @@ int mma9551_read_status_byte(struct i2c_client *client, u8 app_id,
 	return mma9551_transfer(client, app_id, MMA9551_CMD_READ_STATUS,
 				reg, NULL, 0, val, 1);
 }
-EXPORT_SYMBOL(mma9551_read_status_byte);
+EXPORT_SYMBOL_NS(mma9551_read_status_byte, IIO_MMA9551);
 
 /**
  * mma9551_read_config_word() - read 1 config word
@@ -300,7 +300,7 @@ int mma9551_read_config_word(struct i2c_client *client, u8 app_id,
 
 	return ret;
 }
-EXPORT_SYMBOL(mma9551_read_config_word);
+EXPORT_SYMBOL_NS(mma9551_read_config_word, IIO_MMA9551);
 
 /**
  * mma9551_write_config_word() - write 1 config word
@@ -327,7 +327,7 @@ int mma9551_write_config_word(struct i2c_client *client, u8 app_id,
 	return mma9551_transfer(client, app_id, MMA9551_CMD_WRITE_CONFIG, reg,
 				(u8 *)&v, 2, NULL, 0);
 }
-EXPORT_SYMBOL(mma9551_write_config_word);
+EXPORT_SYMBOL_NS(mma9551_write_config_word, IIO_MMA9551);
 
 /**
  * mma9551_read_status_word() - read 1 status word
@@ -358,7 +358,7 @@ int mma9551_read_status_word(struct i2c_client *client, u8 app_id,
 
 	return ret;
 }
-EXPORT_SYMBOL(mma9551_read_status_word);
+EXPORT_SYMBOL_NS(mma9551_read_status_word, IIO_MMA9551);
 
 /**
  * mma9551_read_config_words() - read multiple config words
@@ -397,7 +397,7 @@ int mma9551_read_config_words(struct i2c_client *client, u8 app_id,
 
 	return 0;
 }
-EXPORT_SYMBOL(mma9551_read_config_words);
+EXPORT_SYMBOL_NS(mma9551_read_config_words, IIO_MMA9551);
 
 /**
  * mma9551_read_status_words() - read multiple status words
@@ -436,7 +436,7 @@ int mma9551_read_status_words(struct i2c_client *client, u8 app_id,
 
 	return 0;
 }
-EXPORT_SYMBOL(mma9551_read_status_words);
+EXPORT_SYMBOL_NS(mma9551_read_status_words, IIO_MMA9551);
 
 /**
  * mma9551_write_config_words() - write multiple config words
@@ -471,7 +471,7 @@ int mma9551_write_config_words(struct i2c_client *client, u8 app_id,
 	return mma9551_transfer(client, app_id, MMA9551_CMD_WRITE_CONFIG,
 				reg, (u8 *)be_buf, len * sizeof(u16), NULL, 0);
 }
-EXPORT_SYMBOL(mma9551_write_config_words);
+EXPORT_SYMBOL_NS(mma9551_write_config_words, IIO_MMA9551);
 
 /**
  * mma9551_update_config_bits() - update bits in register
@@ -507,7 +507,7 @@ int mma9551_update_config_bits(struct i2c_client *client, u8 app_id,
 
 	return mma9551_write_config_byte(client, app_id, reg, tmp);
 }
-EXPORT_SYMBOL(mma9551_update_config_bits);
+EXPORT_SYMBOL_NS(mma9551_update_config_bits, IIO_MMA9551);
 
 /**
  * mma9551_gpio_config() - configure gpio
@@ -586,7 +586,7 @@ int mma9551_gpio_config(struct i2c_client *client, enum mma9551_gpio_pin pin,
 
 	return ret;
 }
-EXPORT_SYMBOL(mma9551_gpio_config);
+EXPORT_SYMBOL_NS(mma9551_gpio_config, IIO_MMA9551);
 
 /**
  * mma9551_read_version() - read device version information
@@ -616,7 +616,7 @@ int mma9551_read_version(struct i2c_client *client)
 
 	return 0;
 }
-EXPORT_SYMBOL(mma9551_read_version);
+EXPORT_SYMBOL_NS(mma9551_read_version, IIO_MMA9551);
 
 /**
  * mma9551_set_device_state() - sets HW power mode
@@ -646,7 +646,7 @@ int mma9551_set_device_state(struct i2c_client *client, bool enable)
 					  MMA9551_SLEEP_CFG_FLEEN :
 					  MMA9551_SLEEP_CFG_SNCEN);
 }
-EXPORT_SYMBOL(mma9551_set_device_state);
+EXPORT_SYMBOL_NS(mma9551_set_device_state, IIO_MMA9551);
 
 /**
  * mma9551_set_power_state() - sets runtime PM state
@@ -680,7 +680,7 @@ int mma9551_set_power_state(struct i2c_client *client, bool on)
 
 	return 0;
 }
-EXPORT_SYMBOL(mma9551_set_power_state);
+EXPORT_SYMBOL_NS(mma9551_set_power_state, IIO_MMA9551);
 
 /**
  * mma9551_sleep() - sleep
@@ -699,7 +699,7 @@ void mma9551_sleep(int freq)
 	else
 		msleep_interruptible(sleep_val);
 }
-EXPORT_SYMBOL(mma9551_sleep);
+EXPORT_SYMBOL_NS(mma9551_sleep, IIO_MMA9551);
 
 /**
  * mma9551_read_accel_chan() - read accelerometer channel
@@ -755,7 +755,7 @@ out_poweroff:
 	mma9551_set_power_state(client, false);
 	return ret;
 }
-EXPORT_SYMBOL(mma9551_read_accel_chan);
+EXPORT_SYMBOL_NS(mma9551_read_accel_chan, IIO_MMA9551);
 
 /**
  * mma9551_read_accel_scale() - read accelerometer scale
@@ -773,7 +773,7 @@ int mma9551_read_accel_scale(int *val, int *val2)
 
 	return IIO_VAL_INT_PLUS_MICRO;
 }
-EXPORT_SYMBOL(mma9551_read_accel_scale);
+EXPORT_SYMBOL_NS(mma9551_read_accel_scale, IIO_MMA9551);
 
 /**
  * mma9551_app_reset() - reset application
@@ -792,7 +792,7 @@ int mma9551_app_reset(struct i2c_client *client, u32 app_mask)
 					 MMA9551_RSC_OFFSET(app_mask),
 					 MMA9551_RSC_VAL(app_mask));
 }
-EXPORT_SYMBOL(mma9551_app_reset);
+EXPORT_SYMBOL_NS(mma9551_app_reset, IIO_MMA9551);
 
 MODULE_AUTHOR("Irina Tirdea <irina.tirdea@intel.com>");
 MODULE_AUTHOR("Vlad Dogaru <vlad.dogaru@intel.com>");
diff --git a/drivers/iio/accel/mma9553.c b/drivers/iio/accel/mma9553.c
index 5ff6bc70708b..09df58d4be33 100644
--- a/drivers/iio/accel/mma9553.c
+++ b/drivers/iio/accel/mma9553.c
@@ -1165,7 +1165,6 @@ static int mma9553_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM
 static int mma9553_runtime_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
@@ -1197,9 +1196,7 @@ static int mma9553_runtime_resume(struct device *dev)
 
 	return 0;
 }
-#endif
 
-#ifdef CONFIG_PM_SLEEP
 static int mma9553_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
@@ -1225,12 +1222,10 @@ static int mma9553_resume(struct device *dev)
 
 	return ret;
 }
-#endif
 
 static const struct dev_pm_ops mma9553_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(mma9553_suspend, mma9553_resume)
-	SET_RUNTIME_PM_OPS(mma9553_runtime_suspend,
-			   mma9553_runtime_resume, NULL)
+	SYSTEM_SLEEP_PM_OPS(mma9553_suspend, mma9553_resume)
+	RUNTIME_PM_OPS(mma9553_runtime_suspend, mma9553_runtime_resume, NULL)
 };
 
 static const struct acpi_device_id mma9553_acpi_match[] = {
@@ -1251,7 +1246,7 @@ static struct i2c_driver mma9553_driver = {
 	.driver = {
 		   .name = MMA9553_DRV_NAME,
 		   .acpi_match_table = ACPI_PTR(mma9553_acpi_match),
-		   .pm = &mma9553_pm_ops,
+		   .pm = pm_ptr(&mma9553_pm_ops),
 		   },
 	.probe = mma9553_probe,
 	.remove = mma9553_remove,
@@ -1263,3 +1258,4 @@ module_i2c_driver(mma9553_driver);
 MODULE_AUTHOR("Irina Tirdea <irina.tirdea@intel.com>");
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("MMA9553L pedometer platform driver");
+MODULE_IMPORT_NS(IIO_MMA9551);
diff --git a/drivers/iio/accel/ssp_accel_sensor.c b/drivers/iio/accel/ssp_accel_sensor.c
index 04dcb2b657ee..a1164b439f41 100644
--- a/drivers/iio/accel/ssp_accel_sensor.c
+++ b/drivers/iio/accel/ssp_accel_sensor.c
@@ -142,3 +142,4 @@ module_platform_driver(ssp_accel_driver);
 MODULE_AUTHOR("Karol Wrona <k.wrona@samsung.com>");
 MODULE_DESCRIPTION("Samsung sensorhub accelerometers driver");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_SSP_SENSORS);
diff --git a/drivers/iio/accel/st_accel.h b/drivers/iio/accel/st_accel.h
index 8750dea56fcb..00e056c21bfc 100644
--- a/drivers/iio/accel/st_accel.h
+++ b/drivers/iio/accel/st_accel.h
@@ -36,6 +36,7 @@ enum st_accel_type {
 	LIS3DHH,
 	LIS2DE12,
 	LIS2HH12,
+	SC7A20,
 	ST_ACCEL_MAX,
 };
 
@@ -61,6 +62,7 @@ enum st_accel_type {
 #define LIS3DE_ACCEL_DEV_NAME		"lis3de"
 #define LIS2DE12_ACCEL_DEV_NAME		"lis2de12"
 #define LIS2HH12_ACCEL_DEV_NAME		"lis2hh12"
+#define SC7A20_ACCEL_DEV_NAME		"sc7a20"
 
 #ifdef CONFIG_IIO_BUFFER
 int st_accel_allocate_ring(struct iio_dev *indio_dev);
diff --git a/drivers/iio/accel/st_accel_buffer.c b/drivers/iio/accel/st_accel_buffer.c
index fc82fa83f1fb..b2977ae19b69 100644
--- a/drivers/iio/accel/st_accel_buffer.c
+++ b/drivers/iio/accel/st_accel_buffer.c
@@ -7,7 +7,6 @@
  * Denis Ciocca <denis.ciocca@st.com>
  */
 
-#include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/iio/iio.h>
 #include <linux/iio/buffer.h>
@@ -65,7 +64,3 @@ int st_accel_allocate_ring(struct iio_dev *indio_dev)
 	return devm_iio_triggered_buffer_setup(indio_dev->dev.parent, indio_dev,
 		NULL, &st_sensors_trigger_handler, &st_accel_buffer_setup_ops);
 }
-
-MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
-MODULE_DESCRIPTION("STMicroelectronics accelerometers buffer");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c
index 31ea19d0ba71..5c5da6fdb490 100644
--- a/drivers/iio/accel/st_accel_core.c
+++ b/drivers/iio/accel/st_accel_core.c
@@ -1087,6 +1087,89 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
 		.multi_read_bit = true,
 		.bootime = 2,
 	},
+	{
+		/*
+		 * Not an ST part. Register-compatible with the LIS2DH, even
+		 * though the WAI value is different.
+		 */
+		.wai = 0x11,
+		.wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
+		.sensors_supported = {
+			[0] = SC7A20_ACCEL_DEV_NAME,
+		},
+		.ch = (struct iio_chan_spec *)st_accel_12bit_channels,
+		.odr = {
+			.addr = 0x20,
+			.mask = 0xf0,
+			.odr_avl = {
+				{ .hz = 1, .value = 0x01, },
+				{ .hz = 10, .value = 0x02, },
+				{ .hz = 25, .value = 0x03, },
+				{ .hz = 50, .value = 0x04, },
+				{ .hz = 100, .value = 0x05, },
+				{ .hz = 200, .value = 0x06, },
+				{ .hz = 400, .value = 0x07, },
+				{ .hz = 1600, .value = 0x08, },
+			},
+		},
+		.pw = {
+			.addr = 0x20,
+			.mask = 0xf0,
+			.value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
+		},
+		.enable_axis = {
+			.addr = ST_SENSORS_DEFAULT_AXIS_ADDR,
+			.mask = ST_SENSORS_DEFAULT_AXIS_MASK,
+		},
+		.fs = {
+			.addr = 0x23,
+			.mask = 0x30,
+			.fs_avl = {
+				[0] = {
+					.num = ST_ACCEL_FS_AVL_2G,
+					.value = 0x00,
+					.gain = IIO_G_TO_M_S_2(1000),
+				},
+				[1] = {
+					.num = ST_ACCEL_FS_AVL_4G,
+					.value = 0x01,
+					.gain = IIO_G_TO_M_S_2(2000),
+				},
+				[2] = {
+					.num = ST_ACCEL_FS_AVL_8G,
+					.value = 0x02,
+					.gain = IIO_G_TO_M_S_2(4000),
+				},
+				[3] = {
+					.num = ST_ACCEL_FS_AVL_16G,
+					.value = 0x03,
+					.gain = IIO_G_TO_M_S_2(12000),
+				},
+			},
+		},
+		.bdu = {
+			.addr = 0x23,
+			.mask = 0x80,
+		},
+		.drdy_irq = {
+			.int1 = {
+				.addr = 0x22,
+				.mask = 0x10,
+			},
+			.addr_ihl = 0x25,
+			.mask_ihl = 0x02,
+			.stat_drdy = {
+				.addr = ST_SENSORS_DEFAULT_STAT_ADDR,
+				.mask = 0x07,
+			},
+		},
+		.sim = {
+			.addr = 0x23,
+			.value = BIT(0),
+		},
+		.multi_read_bit = true,
+		.bootime = 2,
+	},
 };
 
 /* Default accel DRDY is available on INT1 pin */
@@ -1329,7 +1412,7 @@ const struct st_sensor_settings *st_accel_get_settings(const char *name)
 
 	return &st_accel_sensors_settings[index];
 }
-EXPORT_SYMBOL(st_accel_get_settings);
+EXPORT_SYMBOL_NS(st_accel_get_settings, IIO_ST_SENSORS);
 
 int st_accel_common_probe(struct iio_dev *indio_dev)
 {
@@ -1383,8 +1466,9 @@ int st_accel_common_probe(struct iio_dev *indio_dev)
 
 	return devm_iio_device_register(parent, indio_dev);
 }
-EXPORT_SYMBOL(st_accel_common_probe);
+EXPORT_SYMBOL_NS(st_accel_common_probe, IIO_ST_SENSORS);
 
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics accelerometers driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);
diff --git a/drivers/iio/accel/st_accel_i2c.c b/drivers/iio/accel/st_accel_i2c.c
index c0ce78eebad9..96adc4344f4a 100644
--- a/drivers/iio/accel/st_accel_i2c.c
+++ b/drivers/iio/accel/st_accel_i2c.c
@@ -107,6 +107,10 @@ static const struct of_device_id st_accel_of_match[] = {
 		.compatible = "st,lis2hh12",
 		.data = LIS2HH12_ACCEL_DEV_NAME,
 	},
+	{
+		.compatible = "silan,sc7a20",
+		.data = SC7A20_ACCEL_DEV_NAME,
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(of, st_accel_of_match);
@@ -142,6 +146,7 @@ static const struct i2c_device_id st_accel_id_table[] = {
 	{ LIS3DE_ACCEL_DEV_NAME },
 	{ LIS2DE12_ACCEL_DEV_NAME },
 	{ LIS2HH12_ACCEL_DEV_NAME },
+	{ SC7A20_ACCEL_DEV_NAME },
 	{},
 };
 MODULE_DEVICE_TABLE(i2c, st_accel_id_table);
@@ -194,3 +199,4 @@ module_i2c_driver(st_accel_driver);
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics accelerometers i2c driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);
diff --git a/drivers/iio/accel/st_accel_spi.c b/drivers/iio/accel/st_accel_spi.c
index b74a1c6d03de..108b63d0146c 100644
--- a/drivers/iio/accel/st_accel_spi.c
+++ b/drivers/iio/accel/st_accel_spi.c
@@ -164,3 +164,4 @@ module_spi_driver(st_accel_driver);
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics accelerometers spi driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);
diff --git a/drivers/iio/accel/stk8312.c b/drivers/iio/accel/stk8312.c
index de0cdf8c1f94..a71dfff3ca4a 100644
--- a/drivers/iio/accel/stk8312.c
+++ b/drivers/iio/accel/stk8312.c
@@ -611,7 +611,6 @@ static int stk8312_remove(struct i2c_client *client)
 	return stk8312_set_mode(data, STK8312_MODE_STANDBY);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int stk8312_suspend(struct device *dev)
 {
 	struct stk8312_data *data;
@@ -630,12 +629,8 @@ static int stk8312_resume(struct device *dev)
 	return stk8312_set_mode(data, data->mode | STK8312_MODE_ACTIVE);
 }
 
-static SIMPLE_DEV_PM_OPS(stk8312_pm_ops, stk8312_suspend, stk8312_resume);
-
-#define STK8312_PM_OPS (&stk8312_pm_ops)
-#else
-#define STK8312_PM_OPS NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(stk8312_pm_ops, stk8312_suspend,
+				stk8312_resume);
 
 static const struct i2c_device_id stk8312_i2c_id[] = {
 	/* Deprecated in favour of lowercase form */
@@ -648,7 +643,7 @@ MODULE_DEVICE_TABLE(i2c, stk8312_i2c_id);
 static struct i2c_driver stk8312_driver = {
 	.driver = {
 		.name = STK8312_DRIVER_NAME,
-		.pm = STK8312_PM_OPS,
+		.pm = pm_sleep_ptr(&stk8312_pm_ops),
 	},
 	.probe =            stk8312_probe,
 	.remove =           stk8312_remove,
diff --git a/drivers/iio/accel/stk8ba50.c b/drivers/iio/accel/stk8ba50.c
index 517c57ed9e94..0067ec5cbae8 100644
--- a/drivers/iio/accel/stk8ba50.c
+++ b/drivers/iio/accel/stk8ba50.c
@@ -504,7 +504,6 @@ static int stk8ba50_remove(struct i2c_client *client)
 	return stk8ba50_set_power(data, STK8BA50_MODE_SUSPEND);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int stk8ba50_suspend(struct device *dev)
 {
 	struct stk8ba50_data *data;
@@ -523,12 +522,8 @@ static int stk8ba50_resume(struct device *dev)
 	return stk8ba50_set_power(data, STK8BA50_MODE_NORMAL);
 }
 
-static SIMPLE_DEV_PM_OPS(stk8ba50_pm_ops, stk8ba50_suspend, stk8ba50_resume);
-
-#define STK8BA50_PM_OPS (&stk8ba50_pm_ops)
-#else
-#define STK8BA50_PM_OPS NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(stk8ba50_pm_ops, stk8ba50_suspend,
+				stk8ba50_resume);
 
 static const struct i2c_device_id stk8ba50_i2c_id[] = {
 	{"stk8ba50", 0},
@@ -546,7 +541,7 @@ MODULE_DEVICE_TABLE(acpi, stk8ba50_acpi_id);
 static struct i2c_driver stk8ba50_driver = {
 	.driver = {
 		.name = "stk8ba50",
-		.pm = STK8BA50_PM_OPS,
+		.pm = pm_sleep_ptr(&stk8ba50_pm_ops),
 		.acpi_match_table = ACPI_PTR(stk8ba50_acpi_id),
 	},
 	.probe =            stk8ba50_probe,
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 4fdc8bfbb407..71ab0a06aa82 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -64,6 +64,17 @@ config AD7266
 	  To compile this driver as a module, choose M here: the module will be
 	  called ad7266.
 
+config AD7280
+	tristate "Analog Devices AD7280A Lithium Ion Battery Monitoring System"
+	depends on SPI
+	select CRC8
+	help
+	  Say yes here to build support for Analog Devices AD7280A
+	  Lithium Ion Battery Monitoring System.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called ad7280a
+
 config AD7291
 	tristate "Analog Devices AD7291 ADC driver"
 	depends on I2C
diff --git a/drivers/iio/adc/Makefile b/drivers/iio/adc/Makefile
index 4a8f1833993b..39d806f6d457 100644
--- a/drivers/iio/adc/Makefile
+++ b/drivers/iio/adc/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_AD7091R5) += ad7091r5.o ad7091r-base.o
 obj-$(CONFIG_AD7124) += ad7124.o
 obj-$(CONFIG_AD7192) += ad7192.o
 obj-$(CONFIG_AD7266) += ad7266.o
+obj-$(CONFIG_AD7280) += ad7280a.o
 obj-$(CONFIG_AD7291) += ad7291.o
 obj-$(CONFIG_AD7292) += ad7292.o
 obj-$(CONFIG_AD7298) += ad7298.o
diff --git a/drivers/iio/adc/ab8500-gpadc.c b/drivers/iio/adc/ab8500-gpadc.c
index 4c46a201d4ef..930ce96e6ff5 100644
--- a/drivers/iio/adc/ab8500-gpadc.c
+++ b/drivers/iio/adc/ab8500-gpadc.c
@@ -942,7 +942,6 @@ static const struct iio_info ab8500_gpadc_info = {
 	.read_raw = ab8500_gpadc_read_raw,
 };
 
-#ifdef CONFIG_PM
 static int ab8500_gpadc_runtime_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = dev_get_drvdata(dev);
@@ -965,7 +964,6 @@ static int ab8500_gpadc_runtime_resume(struct device *dev)
 
 	return ret;
 }
-#endif
 
 /**
  * ab8500_gpadc_parse_channel() - process devicetree channel configuration
@@ -1199,20 +1197,16 @@ static int ab8500_gpadc_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static const struct dev_pm_ops ab8500_gpadc_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
-				pm_runtime_force_resume)
-	SET_RUNTIME_PM_OPS(ab8500_gpadc_runtime_suspend,
-			   ab8500_gpadc_runtime_resume,
-			   NULL)
-};
+static DEFINE_RUNTIME_DEV_PM_OPS(ab8500_gpadc_pm_ops,
+				 ab8500_gpadc_runtime_suspend,
+				 ab8500_gpadc_runtime_resume, NULL);
 
 static struct platform_driver ab8500_gpadc_driver = {
 	.probe = ab8500_gpadc_probe,
 	.remove = ab8500_gpadc_remove,
 	.driver = {
 		.name = "ab8500-gpadc",
-		.pm = &ab8500_gpadc_pm_ops,
+		.pm = pm_ptr(&ab8500_gpadc_pm_ops),
 	},
 };
 builtin_platform_driver(ab8500_gpadc_driver);
diff --git a/drivers/iio/adc/ad7091r-base.c b/drivers/iio/adc/ad7091r-base.c
index 63b4d6ea4566..8e252cde735b 100644
--- a/drivers/iio/adc/ad7091r-base.c
+++ b/drivers/iio/adc/ad7091r-base.c
@@ -260,7 +260,7 @@ int ad7091r_probe(struct device *dev, const char *name,
 
 	return devm_iio_device_register(dev, iio_dev);
 }
-EXPORT_SYMBOL_GPL(ad7091r_probe);
+EXPORT_SYMBOL_NS_GPL(ad7091r_probe, IIO_AD7091R);
 
 static bool ad7091r_writeable_reg(struct device *dev, unsigned int reg)
 {
@@ -290,7 +290,7 @@ const struct regmap_config ad7091r_regmap_config = {
 	.writeable_reg = ad7091r_writeable_reg,
 	.volatile_reg = ad7091r_volatile_reg,
 };
-EXPORT_SYMBOL_GPL(ad7091r_regmap_config);
+EXPORT_SYMBOL_NS_GPL(ad7091r_regmap_config, IIO_AD7091R);
 
 MODULE_AUTHOR("Beniamin Bia <beniamin.bia@analog.com>");
 MODULE_DESCRIPTION("Analog Devices AD7091Rx multi-channel converters");
diff --git a/drivers/iio/adc/ad7091r5.c b/drivers/iio/adc/ad7091r5.c
index 9665679c3ea6..47f5763023a4 100644
--- a/drivers/iio/adc/ad7091r5.c
+++ b/drivers/iio/adc/ad7091r5.c
@@ -111,3 +111,4 @@ module_i2c_driver(ad7091r5_driver);
 MODULE_AUTHOR("Beniamin Bia <beniamin.bia@analog.com>");
 MODULE_DESCRIPTION("Analog Devices AD7091R5 multi-channel ADC driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_AD7091R);
diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index b400bbe291aa..c47ead15f6e5 100644
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -970,3 +970,4 @@ module_spi_driver(ad71124_driver);
 MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>");
 MODULE_DESCRIPTION("Analog Devices AD7124 SPI driver");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_AD_SIGMA_DELTA);
diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c
index cc990205f306..770b4e59238f 100644
--- a/drivers/iio/adc/ad7192.c
+++ b/drivers/iio/adc/ad7192.c
@@ -433,7 +433,7 @@ static ssize_t ad7192_show_ac_excitation(struct device *dev,
 	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
 	struct ad7192_state *st = iio_priv(indio_dev);
 
-	return sprintf(buf, "%d\n", !!(st->mode & AD7192_MODE_ACX));
+	return sysfs_emit(buf, "%d\n", !!(st->mode & AD7192_MODE_ACX));
 }
 
 static ssize_t ad7192_show_bridge_switch(struct device *dev,
@@ -443,7 +443,7 @@ static ssize_t ad7192_show_bridge_switch(struct device *dev,
 	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
 	struct ad7192_state *st = iio_priv(indio_dev);
 
-	return sprintf(buf, "%d\n", !!(st->gpocon & AD7192_GPOCON_BPDSW));
+	return sysfs_emit(buf, "%d\n", !!(st->gpocon & AD7192_GPOCON_BPDSW));
 }
 
 static ssize_t ad7192_set(struct device *dev,
@@ -1048,3 +1048,4 @@ module_spi_driver(ad7192_driver);
 MODULE_AUTHOR("Michael Hennerich <michael.hennerich@analog.com>");
 MODULE_DESCRIPTION("Analog Devices AD7190, AD7192, AD7193, AD7195 ADC");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_AD_SIGMA_DELTA);
diff --git a/drivers/iio/adc/ad7280a.c b/drivers/iio/adc/ad7280a.c
new file mode 100644
index 000000000000..ef9d27759961
--- /dev/null
+++ b/drivers/iio/adc/ad7280a.c
@@ -0,0 +1,1111 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * AD7280A Lithium Ion Battery Monitoring System
+ *
+ * Copyright 2011 Analog Devices Inc.
+ */
+
+#include <linux/bitfield.h>
+#include <linux/bits.h>
+#include <linux/crc8.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/mutex.h>
+#include <linux/slab.h>
+#include <linux/sysfs.h>
+#include <linux/spi/spi.h>
+
+#include <linux/iio/events.h>
+#include <linux/iio/iio.h>
+
+/* Registers */
+
+#define AD7280A_CELL_VOLTAGE_1_REG		0x0  /* D11 to D0, Read only */
+#define AD7280A_CELL_VOLTAGE_2_REG		0x1  /* D11 to D0, Read only */
+#define AD7280A_CELL_VOLTAGE_3_REG		0x2  /* D11 to D0, Read only */
+#define AD7280A_CELL_VOLTAGE_4_REG		0x3  /* D11 to D0, Read only */
+#define AD7280A_CELL_VOLTAGE_5_REG		0x4  /* D11 to D0, Read only */
+#define AD7280A_CELL_VOLTAGE_6_REG		0x5  /* D11 to D0, Read only */
+#define AD7280A_AUX_ADC_1_REG			0x6  /* D11 to D0, Read only */
+#define AD7280A_AUX_ADC_2_REG			0x7  /* D11 to D0, Read only */
+#define AD7280A_AUX_ADC_3_REG			0x8  /* D11 to D0, Read only */
+#define AD7280A_AUX_ADC_4_REG			0x9  /* D11 to D0, Read only */
+#define AD7280A_AUX_ADC_5_REG			0xA  /* D11 to D0, Read only */
+#define AD7280A_AUX_ADC_6_REG			0xB  /* D11 to D0, Read only */
+#define AD7280A_SELF_TEST_REG			0xC  /* D11 to D0, Read only */
+
+#define AD7280A_CTRL_HB_REG			0xD  /* D15 to D8, Read/write */
+#define   AD7280A_CTRL_HB_CONV_INPUT_MSK		GENMASK(7, 6)
+#define     AD7280A_CTRL_HB_CONV_INPUT_ALL			0
+#define     AD7280A_CTRL_HB_CONV_INPUT_6CELL_AUX1_3_5		1
+#define     AD7280A_CTRL_HB_CONV_INPUT_6CELL			2
+#define     AD7280A_CTRL_HB_CONV_INPUT_SELF_TEST		3
+#define   AD7280A_CTRL_HB_CONV_RREAD_MSK		GENMASK(5, 4)
+#define     AD7280A_CTRL_HB_CONV_RREAD_ALL			0
+#define     AD7280A_CTRL_HB_CONV_RREAD_6CELL_AUX1_3_5		1
+#define     AD7280A_CTRL_HB_CONV_RREAD_6CELL			2
+#define     AD7280A_CTRL_HB_CONV_RREAD_NO		        3
+#define   AD7280A_CTRL_HB_CONV_START_MSK		BIT(3)
+#define     AD7280A_CTRL_HB_CONV_START_CNVST			0
+#define     AD7280A_CTRL_HB_CONV_START_CS			1
+#define   AD7280A_CTRL_HB_CONV_AVG_MSK			GENMASK(2, 1)
+#define     AD7280A_CTRL_HB_CONV_AVG_DIS			0
+#define     AD7280A_CTRL_HB_CONV_AVG_2				1
+#define     AD7280A_CTRL_HB_CONV_AVG_4			        2
+#define     AD7280A_CTRL_HB_CONV_AVG_8			        3
+#define   AD7280A_CTRL_HB_PWRDN_SW			BIT(0)
+
+#define AD7280A_CTRL_LB_REG			0xE  /* D7 to D0, Read/write */
+#define   AD7280A_CTRL_LB_SWRST_MSK			BIT(7)
+#define   AD7280A_CTRL_LB_ACQ_TIME_MSK			GENMASK(6, 5)
+#define     AD7280A_CTRL_LB_ACQ_TIME_400ns			0
+#define     AD7280A_CTRL_LB_ACQ_TIME_800ns			1
+#define     AD7280A_CTRL_LB_ACQ_TIME_1200ns			2
+#define     AD7280A_CTRL_LB_ACQ_TIME_1600ns			3
+#define   AD7280A_CTRL_LB_MUST_SET			BIT(4)
+#define   AD7280A_CTRL_LB_THERMISTOR_MSK		BIT(3)
+#define   AD7280A_CTRL_LB_LOCK_DEV_ADDR_MSK		BIT(2)
+#define   AD7280A_CTRL_LB_INC_DEV_ADDR_MSK		BIT(1)
+#define   AD7280A_CTRL_LB_DAISY_CHAIN_RB_MSK		BIT(0)
+
+#define AD7280A_CELL_OVERVOLTAGE_REG		0xF  /* D7 to D0, Read/write */
+#define AD7280A_CELL_UNDERVOLTAGE_REG		0x10 /* D7 to D0, Read/write */
+#define AD7280A_AUX_ADC_OVERVOLTAGE_REG		0x11 /* D7 to D0, Read/write */
+#define AD7280A_AUX_ADC_UNDERVOLTAGE_REG	0x12 /* D7 to D0, Read/write */
+
+#define AD7280A_ALERT_REG			0x13 /* D7 to D0, Read/write */
+#define   AD7280A_ALERT_REMOVE_MSK			GENMASK(3, 0)
+#define     AD7280A_ALERT_REMOVE_AUX5			BIT(0)
+#define     AD7280A_ALERT_REMOVE_AUX3_AUX5		BIT(1)
+#define     AD7280A_ALERT_REMOVE_VIN5			BIT(2)
+#define     AD7280A_ALERT_REMOVE_VIN4_VIN5		BIT(3)
+#define   AD7280A_ALERT_GEN_STATIC_HIGH			BIT(6)
+#define   AD7280A_ALERT_RELAY_SIG_CHAIN_DOWN		(BIT(7) | BIT(6))
+
+#define AD7280A_CELL_BALANCE_REG		0x14 /* D7 to D0, Read/write */
+#define  AD7280A_CELL_BALANCE_CHAN_BITMAP_MSK		GENMASK(7, 2)
+#define AD7280A_CB1_TIMER_REG			0x15 /* D7 to D0, Read/write */
+#define  AD7280A_CB_TIMER_VAL_MSK			GENMASK(7, 3)
+#define AD7280A_CB2_TIMER_REG			0x16 /* D7 to D0, Read/write */
+#define AD7280A_CB3_TIMER_REG			0x17 /* D7 to D0, Read/write */
+#define AD7280A_CB4_TIMER_REG			0x18 /* D7 to D0, Read/write */
+#define AD7280A_CB5_TIMER_REG			0x19 /* D7 to D0, Read/write */
+#define AD7280A_CB6_TIMER_REG			0x1A /* D7 to D0, Read/write */
+#define AD7280A_PD_TIMER_REG			0x1B /* D7 to D0, Read/write */
+#define AD7280A_READ_REG			0x1C /* D7 to D0, Read/write */
+#define   AD7280A_READ_ADDR_MSK				GENMASK(7, 2)
+#define AD7280A_CNVST_CTRL_REG			0x1D /* D7 to D0, Read/write */
+
+/* Transfer fields */
+#define AD7280A_TRANS_WRITE_DEVADDR_MSK		GENMASK(31, 27)
+#define AD7280A_TRANS_WRITE_ADDR_MSK		GENMASK(26, 21)
+#define AD7280A_TRANS_WRITE_VAL_MSK		GENMASK(20, 13)
+#define AD7280A_TRANS_WRITE_ALL_MSK		BIT(12)
+#define AD7280A_TRANS_WRITE_CRC_MSK		GENMASK(10, 3)
+#define AD7280A_TRANS_WRITE_RES_PATTERN		0x2
+
+/* Layouts differ for channel vs other registers */
+#define AD7280A_TRANS_READ_DEVADDR_MSK		GENMASK(31, 27)
+#define AD7280A_TRANS_READ_CONV_CHANADDR_MSK	GENMASK(26, 23)
+#define AD7280A_TRANS_READ_CONV_DATA_MSK	GENMASK(22, 11)
+#define AD7280A_TRANS_READ_REG_REGADDR_MSK	GENMASK(26, 21)
+#define AD7280A_TRANS_READ_REG_DATA_MSK		GENMASK(20, 13)
+#define AD7280A_TRANS_READ_WRITE_ACK_MSK	BIT(10)
+#define AD7280A_TRANS_READ_CRC_MSK		GENMASK(9, 2)
+
+/* Magic value used to indicate this special case */
+#define AD7280A_ALL_CELLS				(0xAD << 16)
+
+#define AD7280A_MAX_SPI_CLK_HZ		700000 /* < 1MHz */
+#define AD7280A_MAX_CHAIN		8
+#define AD7280A_CELLS_PER_DEV		6
+#define AD7280A_BITS			12
+#define AD7280A_NUM_CH			(AD7280A_AUX_ADC_6_REG - \
+					AD7280A_CELL_VOLTAGE_1_REG + 1)
+
+#define AD7280A_CALC_VOLTAGE_CHAN_NUM(d, c) (((d) * AD7280A_CELLS_PER_DEV) + \
+					     (c))
+#define AD7280A_CALC_TEMP_CHAN_NUM(d, c)    (((d) * AD7280A_CELLS_PER_DEV) + \
+					     (c) - AD7280A_CELLS_PER_DEV)
+
+#define AD7280A_DEVADDR_MASTER		0
+#define AD7280A_DEVADDR_ALL		0x1F
+
+static const unsigned short ad7280a_n_avg[4] = {1, 2, 4, 8};
+static const unsigned short ad7280a_t_acq_ns[4] = {470, 1030, 1510, 1945};
+
+/* 5-bit device address is sent LSB first */
+static unsigned int ad7280a_devaddr(unsigned int addr)
+{
+	return ((addr & 0x1) << 4) |
+	       ((addr & 0x2) << 2) |
+	       (addr & 0x4) |
+	       ((addr & 0x8) >> 2) |
+	       ((addr & 0x10) >> 4);
+}
+
+/*
+ * During a read a valid write is mandatory.
+ * So writing to the highest available address (Address 0x1F) and setting the
+ * address all parts bit to 0 is recommended.
+ * So the TXVAL is AD7280A_DEVADDR_ALL + CRC
+ */
+#define AD7280A_READ_TXVAL	0xF800030A
+
+/*
+ * AD7280 CRC
+ *
+ * P(x) = x^8 + x^5 + x^3 + x^2 + x^1 + x^0 = 0b100101111 => 0x2F
+ */
+#define POLYNOM		0x2F
+
+struct ad7280_state {
+	struct spi_device		*spi;
+	struct iio_chan_spec		*channels;
+	unsigned int			chain_last_alert_ignore;
+	bool				thermistor_term_en;
+	int				slave_num;
+	int				scan_cnt;
+	int				readback_delay_us;
+	unsigned char			crc_tab[CRC8_TABLE_SIZE];
+	u8				oversampling_ratio;
+	u8				acquisition_time;
+	unsigned char			ctrl_lb;
+	unsigned char			cell_threshhigh;
+	unsigned char			cell_threshlow;
+	unsigned char			aux_threshhigh;
+	unsigned char			aux_threshlow;
+	unsigned char			cb_mask[AD7280A_MAX_CHAIN];
+	struct mutex			lock; /* protect sensor state */
+
+	__be32				tx ____cacheline_aligned;
+	__be32				rx;
+};
+
+static unsigned char ad7280_calc_crc8(unsigned char *crc_tab, unsigned int val)
+{
+	unsigned char crc;
+
+	crc = crc_tab[val >> 16 & 0xFF];
+	crc = crc_tab[crc ^ (val >> 8 & 0xFF)];
+
+	return crc ^ (val & 0xFF);
+}
+
+static int ad7280_check_crc(struct ad7280_state *st, unsigned int val)
+{
+	unsigned char crc = ad7280_calc_crc8(st->crc_tab, val >> 10);
+
+	if (crc != ((val >> 2) & 0xFF))
+		return -EIO;
+
+	return 0;
+}
+
+/*
+ * After initiating a conversion sequence we need to wait until the conversion
+ * is done. The delay is typically in the range of 15..30us however depending on
+ * the number of devices in the daisy chain, the number of averages taken,
+ * conversion delays and acquisition time options it may take up to 250us, in
+ * this case we better sleep instead of busy wait.
+ */
+
+static void ad7280_delay(struct ad7280_state *st)
+{
+	if (st->readback_delay_us < 50)
+		udelay(st->readback_delay_us);
+	else
+		usleep_range(250, 500);
+}
+
+static int __ad7280_read32(struct ad7280_state *st, unsigned int *val)
+{
+	int ret;
+	struct spi_transfer t = {
+		.tx_buf	= &st->tx,
+		.rx_buf = &st->rx,
+		.len = sizeof(st->tx),
+	};
+
+	st->tx = cpu_to_be32(AD7280A_READ_TXVAL);
+
+	ret = spi_sync_transfer(st->spi, &t, 1);
+	if (ret)
+		return ret;
+
+	*val = be32_to_cpu(st->rx);
+
+	return 0;
+}
+
+static int ad7280_write(struct ad7280_state *st, unsigned int devaddr,
+			unsigned int addr, bool all, unsigned int val)
+{
+	unsigned int reg = FIELD_PREP(AD7280A_TRANS_WRITE_DEVADDR_MSK, devaddr) |
+		FIELD_PREP(AD7280A_TRANS_WRITE_ADDR_MSK, addr) |
+		FIELD_PREP(AD7280A_TRANS_WRITE_VAL_MSK, val) |
+		FIELD_PREP(AD7280A_TRANS_WRITE_ALL_MSK, all);
+
+	reg |= FIELD_PREP(AD7280A_TRANS_WRITE_CRC_MSK,
+			ad7280_calc_crc8(st->crc_tab, reg >> 11));
+	/* Reserved b010 pattern not included crc calc */
+	reg |= AD7280A_TRANS_WRITE_RES_PATTERN;
+
+	st->tx = cpu_to_be32(reg);
+
+	return spi_write(st->spi, &st->tx, sizeof(st->tx));
+}
+
+static int ad7280_read_reg(struct ad7280_state *st, unsigned int devaddr,
+			   unsigned int addr)
+{
+	int ret;
+	unsigned int tmp;
+
+	/* turns off the read operation on all parts */
+	ret = ad7280_write(st, AD7280A_DEVADDR_MASTER, AD7280A_CTRL_HB_REG, 1,
+			   FIELD_PREP(AD7280A_CTRL_HB_CONV_INPUT_MSK,
+				      AD7280A_CTRL_HB_CONV_INPUT_ALL) |
+			   FIELD_PREP(AD7280A_CTRL_HB_CONV_RREAD_MSK,
+				      AD7280A_CTRL_HB_CONV_RREAD_NO) |
+			   FIELD_PREP(AD7280A_CTRL_HB_CONV_AVG_MSK,
+				      st->oversampling_ratio));
+	if (ret)
+		return ret;
+
+	/* turns on the read operation on the addressed part */
+	ret = ad7280_write(st, devaddr, AD7280A_CTRL_HB_REG, 0,
+			   FIELD_PREP(AD7280A_CTRL_HB_CONV_INPUT_MSK,
+				      AD7280A_CTRL_HB_CONV_INPUT_ALL) |
+			   FIELD_PREP(AD7280A_CTRL_HB_CONV_RREAD_MSK,
+				      AD7280A_CTRL_HB_CONV_RREAD_ALL) |
+			   FIELD_PREP(AD7280A_CTRL_HB_CONV_AVG_MSK,
+				      st->oversampling_ratio));
+	if (ret)
+		return ret;
+
+	/* Set register address on the part to be read from */
+	ret = ad7280_write(st, devaddr, AD7280A_READ_REG, 0,
+			   FIELD_PREP(AD7280A_READ_ADDR_MSK, addr));
+	if (ret)
+		return ret;
+
+	ret = __ad7280_read32(st, &tmp);
+	if (ret)
+		return ret;
+
+	if (ad7280_check_crc(st, tmp))
+		return -EIO;
+
+	if ((FIELD_GET(AD7280A_TRANS_READ_DEVADDR_MSK, tmp) != devaddr) ||
+	    (FIELD_GET(AD7280A_TRANS_READ_REG_REGADDR_MSK, tmp) != addr))
+		return -EFAULT;
+
+	return FIELD_GET(AD7280A_TRANS_READ_REG_DATA_MSK, tmp);
+}
+
+static int ad7280_read_channel(struct ad7280_state *st, unsigned int devaddr,
+			       unsigned int addr)
+{
+	int ret;
+	unsigned int tmp;
+
+	ret = ad7280_write(st, devaddr, AD7280A_READ_REG, 0,
+			   FIELD_PREP(AD7280A_READ_ADDR_MSK, addr));
+	if (ret)
+		return ret;
+
+	ret = ad7280_write(st, AD7280A_DEVADDR_MASTER, AD7280A_CTRL_HB_REG, 1,
+			   FIELD_PREP(AD7280A_CTRL_HB_CONV_INPUT_MSK,
+				      AD7280A_CTRL_HB_CONV_INPUT_ALL) |
+			   FIELD_PREP(AD7280A_CTRL_HB_CONV_RREAD_MSK,
+				      AD7280A_CTRL_HB_CONV_RREAD_NO) |
+			   FIELD_PREP(AD7280A_CTRL_HB_CONV_AVG_MSK,
+				      st->oversampling_ratio));
+	if (ret)
+		return ret;
+
+	ret = ad7280_write(st, devaddr, AD7280A_CTRL_HB_REG, 0,
+			   FIELD_PREP(AD7280A_CTRL_HB_CONV_INPUT_MSK,
+				      AD7280A_CTRL_HB_CONV_INPUT_ALL) |
+			   FIELD_PREP(AD7280A_CTRL_HB_CONV_RREAD_MSK,
+				      AD7280A_CTRL_HB_CONV_RREAD_ALL) |
+			   FIELD_PREP(AD7280A_CTRL_HB_CONV_START_MSK,
+				      AD7280A_CTRL_HB_CONV_START_CS) |
+			   FIELD_PREP(AD7280A_CTRL_HB_CONV_AVG_MSK,
+				      st->oversampling_ratio));
+	if (ret)
+		return ret;
+
+	ad7280_delay(st);
+
+	ret = __ad7280_read32(st, &tmp);
+	if (ret)
+		return ret;
+
+	if (ad7280_check_crc(st, tmp))
+		return -EIO;
+
+	if ((FIELD_GET(AD7280A_TRANS_READ_DEVADDR_MSK, tmp) != devaddr) ||
+	    (FIELD_GET(AD7280A_TRANS_READ_CONV_CHANADDR_MSK, tmp) != addr))
+		return -EFAULT;
+
+	return FIELD_GET(AD7280A_TRANS_READ_CONV_DATA_MSK, tmp);
+}
+
+static int ad7280_read_all_channels(struct ad7280_state *st, unsigned int cnt,
+				    unsigned int *array)
+{
+	int i, ret;
+	unsigned int tmp, sum = 0;
+
+	ret = ad7280_write(st, AD7280A_DEVADDR_MASTER, AD7280A_READ_REG, 1,
+			   AD7280A_CELL_VOLTAGE_1_REG << 2);
+	if (ret)
+		return ret;
+
+	ret = ad7280_write(st, AD7280A_DEVADDR_MASTER, AD7280A_CTRL_HB_REG, 1,
+			   FIELD_PREP(AD7280A_CTRL_HB_CONV_INPUT_MSK,
+				      AD7280A_CTRL_HB_CONV_INPUT_ALL) |
+			   FIELD_PREP(AD7280A_CTRL_HB_CONV_RREAD_MSK,
+				      AD7280A_CTRL_HB_CONV_RREAD_ALL) |
+			   FIELD_PREP(AD7280A_CTRL_HB_CONV_START_MSK,
+				      AD7280A_CTRL_HB_CONV_START_CS) |
+			   FIELD_PREP(AD7280A_CTRL_HB_CONV_AVG_MSK,
+				      st->oversampling_ratio));
+	if (ret)
+		return ret;
+
+	ad7280_delay(st);
+
+	for (i = 0; i < cnt; i++) {
+		ret = __ad7280_read32(st, &tmp);
+		if (ret)
+			return ret;
+
+		if (ad7280_check_crc(st, tmp))
+			return -EIO;
+
+		if (array)
+			array[i] = tmp;
+		/* only sum cell voltages */
+		if (FIELD_GET(AD7280A_TRANS_READ_CONV_CHANADDR_MSK, tmp) <=
+		    AD7280A_CELL_VOLTAGE_6_REG)
+			sum += FIELD_GET(AD7280A_TRANS_READ_CONV_DATA_MSK, tmp);
+	}
+
+	return sum;
+}
+
+static void ad7280_sw_power_down(void *data)
+{
+	struct ad7280_state *st = data;
+
+	ad7280_write(st, AD7280A_DEVADDR_MASTER, AD7280A_CTRL_HB_REG, 1,
+		     AD7280A_CTRL_HB_PWRDN_SW |
+		     FIELD_PREP(AD7280A_CTRL_HB_CONV_AVG_MSK, st->oversampling_ratio));
+}
+
+static int ad7280_chain_setup(struct ad7280_state *st)
+{
+	unsigned int val, n;
+	int ret;
+
+	ret = ad7280_write(st, AD7280A_DEVADDR_MASTER, AD7280A_CTRL_LB_REG, 1,
+			   FIELD_PREP(AD7280A_CTRL_LB_DAISY_CHAIN_RB_MSK, 1) |
+			   FIELD_PREP(AD7280A_CTRL_LB_LOCK_DEV_ADDR_MSK, 1) |
+			   AD7280A_CTRL_LB_MUST_SET |
+			   FIELD_PREP(AD7280A_CTRL_LB_SWRST_MSK, 1) |
+			   st->ctrl_lb);
+	if (ret)
+		return ret;
+
+	ret = ad7280_write(st, AD7280A_DEVADDR_MASTER, AD7280A_CTRL_LB_REG, 1,
+			   FIELD_PREP(AD7280A_CTRL_LB_DAISY_CHAIN_RB_MSK, 1) |
+			   FIELD_PREP(AD7280A_CTRL_LB_LOCK_DEV_ADDR_MSK, 1) |
+			   AD7280A_CTRL_LB_MUST_SET |
+			   FIELD_PREP(AD7280A_CTRL_LB_SWRST_MSK, 0) |
+			   st->ctrl_lb);
+	if (ret)
+		goto error_power_down;
+
+	ret = ad7280_write(st, AD7280A_DEVADDR_MASTER, AD7280A_READ_REG, 1,
+			   FIELD_PREP(AD7280A_READ_ADDR_MSK, AD7280A_CTRL_LB_REG));
+	if (ret)
+		goto error_power_down;
+
+	for (n = 0; n <= AD7280A_MAX_CHAIN; n++) {
+		ret = __ad7280_read32(st, &val);
+		if (ret)
+			goto error_power_down;
+
+		if (val == 0)
+			return n - 1;
+
+		if (ad7280_check_crc(st, val)) {
+			ret = -EIO;
+			goto error_power_down;
+		}
+
+		if (n != ad7280a_devaddr(FIELD_GET(AD7280A_TRANS_READ_DEVADDR_MSK, val))) {
+			ret = -EIO;
+			goto error_power_down;
+		}
+	}
+	ret = -EFAULT;
+
+error_power_down:
+	ad7280_write(st, AD7280A_DEVADDR_MASTER, AD7280A_CTRL_HB_REG, 1,
+		     AD7280A_CTRL_HB_PWRDN_SW |
+		     FIELD_PREP(AD7280A_CTRL_HB_CONV_AVG_MSK, st->oversampling_ratio));
+
+	return ret;
+}
+
+static ssize_t ad7280_show_balance_sw(struct iio_dev *indio_dev,
+				      uintptr_t private,
+				      const struct iio_chan_spec *chan, char *buf)
+{
+	struct ad7280_state *st = iio_priv(indio_dev);
+
+	return sysfs_emit(buf, "%d\n",
+			  !!(st->cb_mask[chan->address >> 8] &
+			     BIT(chan->address & 0xFF)));
+}
+
+static ssize_t ad7280_store_balance_sw(struct iio_dev *indio_dev,
+				       uintptr_t private,
+				       const struct iio_chan_spec *chan,
+				       const char *buf, size_t len)
+{
+	struct ad7280_state *st = iio_priv(indio_dev);
+	unsigned int devaddr, ch;
+	bool readin;
+	int ret;
+
+	ret = strtobool(buf, &readin);
+	if (ret)
+		return ret;
+
+	devaddr = chan->address >> 8;
+	ch = chan->address & 0xFF;
+
+	mutex_lock(&st->lock);
+	if (readin)
+		st->cb_mask[devaddr] |= BIT(ch);
+	else
+		st->cb_mask[devaddr] &= ~BIT(ch);
+
+	ret = ad7280_write(st, devaddr, AD7280A_CELL_BALANCE_REG, 0,
+			   FIELD_PREP(AD7280A_CELL_BALANCE_CHAN_BITMAP_MSK,
+				      st->cb_mask[devaddr]));
+	mutex_unlock(&st->lock);
+
+	return ret ? ret : len;
+}
+
+static ssize_t ad7280_show_balance_timer(struct iio_dev *indio_dev,
+					 uintptr_t private,
+					 const struct iio_chan_spec *chan,
+					 char *buf)
+{
+	struct ad7280_state *st = iio_priv(indio_dev);
+	unsigned int msecs;
+	int ret;
+
+	mutex_lock(&st->lock);
+	ret = ad7280_read_reg(st, chan->address >> 8,
+			      (chan->address & 0xFF) + AD7280A_CB1_TIMER_REG);
+	mutex_unlock(&st->lock);
+
+	if (ret < 0)
+		return ret;
+
+	msecs = FIELD_GET(AD7280A_CB_TIMER_VAL_MSK, ret) * 71500;
+
+	return sysfs_emit(buf, "%u.%u\n", msecs / 1000, msecs % 1000);
+}
+
+static ssize_t ad7280_store_balance_timer(struct iio_dev *indio_dev,
+					  uintptr_t private,
+					  const struct iio_chan_spec *chan,
+					  const char *buf, size_t len)
+{
+	struct ad7280_state *st = iio_priv(indio_dev);
+	int val, val2;
+	int ret;
+
+	ret = iio_str_to_fixpoint(buf, 1000, &val, &val2);
+	if (ret)
+		return ret;
+
+	val = val * 1000 + val2;
+	val /= 71500;
+
+	if (val > 31)
+		return -EINVAL;
+
+	mutex_lock(&st->lock);
+	ret = ad7280_write(st, chan->address >> 8,
+			   (chan->address & 0xFF) + AD7280A_CB1_TIMER_REG, 0,
+			   FIELD_PREP(AD7280A_CB_TIMER_VAL_MSK, val));
+	mutex_unlock(&st->lock);
+
+	return ret ? ret : len;
+}
+
+static const struct iio_chan_spec_ext_info ad7280_cell_ext_info[] = {
+	{
+		.name = "balance_switch_en",
+		.read = ad7280_show_balance_sw,
+		.write = ad7280_store_balance_sw,
+		.shared = IIO_SEPARATE,
+	}, {
+		.name = "balance_switch_timer",
+		.read = ad7280_show_balance_timer,
+		.write = ad7280_store_balance_timer,
+		.shared = IIO_SEPARATE,
+	},
+	{}
+};
+
+static const struct iio_event_spec ad7280_events[] = {
+	{
+		.type = IIO_EV_TYPE_THRESH,
+		.dir = IIO_EV_DIR_RISING,
+		.mask_shared_by_type = BIT(IIO_EV_INFO_VALUE),
+	}, {
+		.type = IIO_EV_TYPE_THRESH,
+		.dir = IIO_EV_DIR_FALLING,
+		.mask_shared_by_type = BIT(IIO_EV_INFO_VALUE),
+	},
+};
+
+static void ad7280_voltage_channel_init(struct iio_chan_spec *chan, int i,
+					bool irq_present)
+{
+	chan->type = IIO_VOLTAGE;
+	chan->differential = 1;
+	chan->channel = i;
+	chan->channel2 = chan->channel + 1;
+	if (irq_present) {
+		chan->event_spec = ad7280_events;
+		chan->num_event_specs = ARRAY_SIZE(ad7280_events);
+	}
+	chan->ext_info = ad7280_cell_ext_info;
+}
+
+static void ad7280_temp_channel_init(struct iio_chan_spec *chan, int i,
+				     bool irq_present)
+{
+	chan->type = IIO_TEMP;
+	chan->channel = i;
+	if (irq_present) {
+		chan->event_spec = ad7280_events;
+		chan->num_event_specs = ARRAY_SIZE(ad7280_events);
+	}
+}
+
+static void ad7280_common_fields_init(struct iio_chan_spec *chan, int addr,
+				      int cnt)
+{
+	chan->indexed = 1;
+	chan->info_mask_separate = BIT(IIO_CHAN_INFO_RAW);
+	chan->info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE);
+	chan->info_mask_shared_by_all = BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO);
+	chan->address = addr;
+	chan->scan_index = cnt;
+	chan->scan_type.sign = 'u';
+	chan->scan_type.realbits = 12;
+	chan->scan_type.storagebits = 32;
+}
+
+static void ad7280_total_voltage_channel_init(struct iio_chan_spec *chan,
+					      int cnt, int dev)
+{
+	chan->type = IIO_VOLTAGE;
+	chan->differential = 1;
+	chan->channel = 0;
+	chan->channel2 = dev * AD7280A_CELLS_PER_DEV;
+	chan->address = AD7280A_ALL_CELLS;
+	chan->indexed = 1;
+	chan->info_mask_separate = BIT(IIO_CHAN_INFO_RAW);
+	chan->info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE);
+	chan->scan_index = cnt;
+	chan->scan_type.sign = 'u';
+	chan->scan_type.realbits = 32;
+	chan->scan_type.storagebits = 32;
+}
+
+static void ad7280_init_dev_channels(struct ad7280_state *st, int dev, int *cnt,
+				     bool irq_present)
+{
+	int addr, ch, i;
+	struct iio_chan_spec *chan;
+
+	for (ch = AD7280A_CELL_VOLTAGE_1_REG; ch <= AD7280A_AUX_ADC_6_REG; ch++) {
+		chan = &st->channels[*cnt];
+
+		if (ch < AD7280A_AUX_ADC_1_REG) {
+			i = AD7280A_CALC_VOLTAGE_CHAN_NUM(dev, ch);
+			ad7280_voltage_channel_init(chan, i, irq_present);
+		} else {
+			i = AD7280A_CALC_TEMP_CHAN_NUM(dev, ch);
+			ad7280_temp_channel_init(chan, i, irq_present);
+		}
+
+		addr = ad7280a_devaddr(dev) << 8 | ch;
+		ad7280_common_fields_init(chan, addr, *cnt);
+
+		(*cnt)++;
+	}
+}
+
+static int ad7280_channel_init(struct ad7280_state *st, bool irq_present)
+{
+	int dev, cnt = 0;
+
+	st->channels = devm_kcalloc(&st->spi->dev, (st->slave_num + 1) * 12 + 1,
+				    sizeof(*st->channels), GFP_KERNEL);
+	if (!st->channels)
+		return -ENOMEM;
+
+	for (dev = 0; dev <= st->slave_num; dev++)
+		ad7280_init_dev_channels(st, dev, &cnt, irq_present);
+
+	ad7280_total_voltage_channel_init(&st->channels[cnt], cnt, dev);
+
+	return cnt + 1;
+}
+
+static int ad7280a_read_thresh(struct iio_dev *indio_dev,
+			       const struct iio_chan_spec *chan,
+			       enum iio_event_type type,
+			       enum iio_event_direction dir,
+			       enum iio_event_info info, int *val, int *val2)
+{
+	struct ad7280_state *st = iio_priv(indio_dev);
+
+	switch (chan->type) {
+	case IIO_VOLTAGE:
+		switch (dir) {
+		case IIO_EV_DIR_RISING:
+			*val = 1000 + (st->cell_threshhigh * 1568L) / 100;
+			return IIO_VAL_INT;
+		case IIO_EV_DIR_FALLING:
+			*val = 1000 + (st->cell_threshlow * 1568L) / 100;
+			return IIO_VAL_INT;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case IIO_TEMP:
+		switch (dir) {
+		case IIO_EV_DIR_RISING:
+			*val = ((st->aux_threshhigh) * 196L) / 10;
+			return IIO_VAL_INT;
+		case IIO_EV_DIR_FALLING:
+			*val = (st->aux_threshlow * 196L) / 10;
+			return IIO_VAL_INT;
+		default:
+			return -EINVAL;
+		}
+		break;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int ad7280a_write_thresh(struct iio_dev *indio_dev,
+				const struct iio_chan_spec *chan,
+				enum iio_event_type type,
+				enum iio_event_direction dir,
+				enum iio_event_info info,
+				int val, int val2)
+{
+	struct ad7280_state *st = iio_priv(indio_dev);
+	unsigned int addr;
+	long value;
+	int ret;
+
+	if (val2 != 0)
+		return -EINVAL;
+
+	mutex_lock(&st->lock);
+	switch (chan->type) {
+	case IIO_VOLTAGE:
+		value = ((val - 1000) * 100) / 1568; /* LSB 15.68mV */
+		value = clamp(value, 0L, 0xFFL);
+		switch (dir) {
+		case IIO_EV_DIR_RISING:
+			addr = AD7280A_CELL_OVERVOLTAGE_REG;
+			ret = ad7280_write(st, AD7280A_DEVADDR_MASTER, addr,
+					   1, val);
+			if (ret)
+				break;
+			st->cell_threshhigh = value;
+			break;
+		case IIO_EV_DIR_FALLING:
+			addr = AD7280A_CELL_UNDERVOLTAGE_REG;
+			ret = ad7280_write(st, AD7280A_DEVADDR_MASTER, addr,
+					   1, val);
+			if (ret)
+				break;
+			st->cell_threshlow = value;
+			break;
+		default:
+			ret = -EINVAL;
+			goto err_unlock;
+		}
+		break;
+	case IIO_TEMP:
+		value = (val * 10) / 196; /* LSB 19.6mV */
+		value = clamp(value, 0L, 0xFFL);
+		switch (dir) {
+		case IIO_EV_DIR_RISING:
+			addr = AD7280A_AUX_ADC_OVERVOLTAGE_REG;
+			ret = ad7280_write(st, AD7280A_DEVADDR_MASTER, addr,
+					   1, val);
+			if (ret)
+				break;
+			st->aux_threshhigh = val;
+			break;
+		case IIO_EV_DIR_FALLING:
+			addr = AD7280A_AUX_ADC_UNDERVOLTAGE_REG;
+			ret = ad7280_write(st, AD7280A_DEVADDR_MASTER, addr,
+					   1, val);
+			if (ret)
+				break;
+			st->aux_threshlow = val;
+			break;
+		default:
+			ret = -EINVAL;
+			goto err_unlock;
+		}
+		break;
+	default:
+		ret = -EINVAL;
+		goto err_unlock;
+	}
+
+err_unlock:
+	mutex_unlock(&st->lock);
+
+	return ret;
+}
+
+static irqreturn_t ad7280_event_handler(int irq, void *private)
+{
+	struct iio_dev *indio_dev = private;
+	struct ad7280_state *st = iio_priv(indio_dev);
+	unsigned int *channels;
+	int i, ret;
+
+	channels = kcalloc(st->scan_cnt, sizeof(*channels), GFP_KERNEL);
+	if (!channels)
+		return IRQ_HANDLED;
+
+	ret = ad7280_read_all_channels(st, st->scan_cnt, channels);
+	if (ret < 0)
+		goto out;
+
+	for (i = 0; i < st->scan_cnt; i++) {
+		unsigned int val;
+
+		val = FIELD_GET(AD7280A_TRANS_READ_CONV_DATA_MSK, channels[i]);
+		if (FIELD_GET(AD7280A_TRANS_READ_CONV_CHANADDR_MSK, channels[i]) <=
+		    AD7280A_CELL_VOLTAGE_6_REG) {
+			if (val >= st->cell_threshhigh) {
+				u64 tmp = IIO_EVENT_CODE(IIO_VOLTAGE, 1, 0,
+							 IIO_EV_DIR_RISING,
+							 IIO_EV_TYPE_THRESH,
+							 0, 0, 0);
+				iio_push_event(indio_dev, tmp,
+					       iio_get_time_ns(indio_dev));
+			} else if (val <= st->cell_threshlow) {
+				u64 tmp = IIO_EVENT_CODE(IIO_VOLTAGE, 1, 0,
+							 IIO_EV_DIR_FALLING,
+							 IIO_EV_TYPE_THRESH,
+							 0, 0, 0);
+				iio_push_event(indio_dev, tmp,
+					       iio_get_time_ns(indio_dev));
+			}
+		} else {
+			if (val >= st->aux_threshhigh) {
+				u64 tmp = IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0,
+							IIO_EV_TYPE_THRESH,
+							IIO_EV_DIR_RISING);
+				iio_push_event(indio_dev, tmp,
+					       iio_get_time_ns(indio_dev));
+			} else if (val <= st->aux_threshlow) {
+				u64 tmp = IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0,
+							IIO_EV_TYPE_THRESH,
+							IIO_EV_DIR_FALLING);
+				iio_push_event(indio_dev, tmp,
+					       iio_get_time_ns(indio_dev));
+			}
+		}
+	}
+
+out:
+	kfree(channels);
+
+	return IRQ_HANDLED;
+}
+
+static void ad7280_update_delay(struct ad7280_state *st)
+{
+	/*
+	 * Total Conversion Time = ((tACQ + tCONV) *
+	 *			   (Number of Conversions per Part)) −
+	 *			   tACQ + ((N - 1) * tDELAY)
+	 *
+	 * Readback Delay = Total Conversion Time + tWAIT
+	 */
+
+	st->readback_delay_us =
+		((ad7280a_t_acq_ns[st->acquisition_time & 0x3] + 720) *
+			(AD7280A_NUM_CH * ad7280a_n_avg[st->oversampling_ratio & 0x3])) -
+		ad7280a_t_acq_ns[st->acquisition_time & 0x3] + st->slave_num * 250;
+
+	/* Convert to usecs */
+	st->readback_delay_us = DIV_ROUND_UP(st->readback_delay_us, 1000);
+	st->readback_delay_us += 5; /* Add tWAIT */
+}
+
+static int ad7280_read_raw(struct iio_dev *indio_dev,
+			   struct iio_chan_spec const *chan,
+			   int *val,
+			   int *val2,
+			   long m)
+{
+	struct ad7280_state *st = iio_priv(indio_dev);
+	int ret;
+
+	switch (m) {
+	case IIO_CHAN_INFO_RAW:
+		mutex_lock(&st->lock);
+		if (chan->address == AD7280A_ALL_CELLS)
+			ret = ad7280_read_all_channels(st, st->scan_cnt, NULL);
+		else
+			ret = ad7280_read_channel(st, chan->address >> 8,
+						  chan->address & 0xFF);
+		mutex_unlock(&st->lock);
+
+		if (ret < 0)
+			return ret;
+
+		*val = ret;
+
+		return IIO_VAL_INT;
+	case IIO_CHAN_INFO_SCALE:
+		if ((chan->address & 0xFF) <= AD7280A_CELL_VOLTAGE_6_REG)
+			*val = 4000;
+		else
+			*val = 5000;
+
+		*val2 = AD7280A_BITS;
+		return IIO_VAL_FRACTIONAL_LOG2;
+	case IIO_CHAN_INFO_OVERSAMPLING_RATIO:
+		*val = ad7280a_n_avg[st->oversampling_ratio];
+		return IIO_VAL_INT;
+	}
+	return -EINVAL;
+}
+
+static int ad7280_write_raw(struct iio_dev *indio_dev,
+			    struct iio_chan_spec const *chan,
+			    int val, int val2, long mask)
+{
+	struct ad7280_state *st = iio_priv(indio_dev);
+	int i;
+
+	switch (mask) {
+	case IIO_CHAN_INFO_OVERSAMPLING_RATIO:
+		if (val2 != 0)
+			return -EINVAL;
+		for (i = 0; i < ARRAY_SIZE(ad7280a_n_avg); i++) {
+			if (val == ad7280a_n_avg[i]) {
+				st->oversampling_ratio = i;
+				ad7280_update_delay(st);
+				return 0;
+			}
+		}
+		return -EINVAL;
+	default:
+		return -EINVAL;
+	}
+}
+
+static const struct iio_info ad7280_info = {
+	.read_raw = ad7280_read_raw,
+	.write_raw = ad7280_write_raw,
+	.read_event_value = &ad7280a_read_thresh,
+	.write_event_value = &ad7280a_write_thresh,
+};
+
+static const struct iio_info ad7280_info_no_irq = {
+	.read_raw = ad7280_read_raw,
+	.write_raw = ad7280_write_raw,
+};
+
+static int ad7280_probe(struct spi_device *spi)
+{
+	struct device *dev = &spi->dev;
+	struct ad7280_state *st;
+	int ret;
+	struct iio_dev *indio_dev;
+
+	indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
+	if (!indio_dev)
+		return -ENOMEM;
+
+	st = iio_priv(indio_dev);
+	spi_set_drvdata(spi, indio_dev);
+	st->spi = spi;
+	mutex_init(&st->lock);
+
+	st->thermistor_term_en =
+		device_property_read_bool(dev, "adi,thermistor-termination");
+
+	if (device_property_present(dev, "adi,acquisition-time-ns")) {
+		u32 val;
+
+		ret = device_property_read_u32(dev, "adi,acquisition-time-ns", &val);
+		if (ret)
+			return ret;
+
+		switch (val) {
+		case 400:
+			st->acquisition_time = AD7280A_CTRL_LB_ACQ_TIME_400ns;
+			break;
+		case 800:
+			st->acquisition_time = AD7280A_CTRL_LB_ACQ_TIME_800ns;
+			break;
+		case 1200:
+			st->acquisition_time = AD7280A_CTRL_LB_ACQ_TIME_1200ns;
+			break;
+		case 1600:
+			st->acquisition_time = AD7280A_CTRL_LB_ACQ_TIME_1600ns;
+			break;
+		default:
+			dev_err(dev, "Firmware provided acquisition time is invalid\n");
+			return -EINVAL;
+		}
+	} else {
+		st->acquisition_time = AD7280A_CTRL_LB_ACQ_TIME_400ns;
+	}
+
+	/* Alert masks are intended for when particular inputs are not wired up */
+	if (device_property_present(dev, "adi,voltage-alert-last-chan")) {
+		u32 val;
+
+		ret = device_property_read_u32(dev, "adi,voltage-alert-last-chan", &val);
+		if (ret)
+			return ret;
+
+		switch (val) {
+		case 3:
+			st->chain_last_alert_ignore |= AD7280A_ALERT_REMOVE_VIN4_VIN5;
+			break;
+		case 4:
+			st->chain_last_alert_ignore |= AD7280A_ALERT_REMOVE_VIN5;
+			break;
+		case 5:
+			break;
+		default:
+			dev_err(dev,
+				"Firmware provided last voltage alert channel invalid\n");
+			break;
+		}
+	}
+	crc8_populate_msb(st->crc_tab, POLYNOM);
+
+	st->spi->max_speed_hz = AD7280A_MAX_SPI_CLK_HZ;
+	st->spi->mode = SPI_MODE_1;
+	spi_setup(st->spi);
+
+	st->ctrl_lb = FIELD_PREP(AD7280A_CTRL_LB_ACQ_TIME_MSK, st->acquisition_time) |
+		FIELD_PREP(AD7280A_CTRL_LB_THERMISTOR_MSK, st->thermistor_term_en);
+	st->oversampling_ratio = 0; /* No oversampling */
+
+	ret = ad7280_chain_setup(st);
+	if (ret < 0)
+		return ret;
+
+	st->slave_num = ret;
+	st->scan_cnt = (st->slave_num + 1) * AD7280A_NUM_CH;
+	st->cell_threshhigh = 0xFF;
+	st->aux_threshhigh = 0xFF;
+
+	ret = devm_add_action_or_reset(dev, ad7280_sw_power_down, st);
+	if (ret)
+		return ret;
+
+	ad7280_update_delay(st);
+
+	indio_dev->name = spi_get_device_id(spi)->name;
+	indio_dev->modes = INDIO_DIRECT_MODE;
+
+	ret = ad7280_channel_init(st, spi->irq > 0);
+	if (ret < 0)
+		return ret;
+
+	indio_dev->num_channels = ret;
+	indio_dev->channels = st->channels;
+	if (spi->irq > 0) {
+		ret = ad7280_write(st, AD7280A_DEVADDR_MASTER,
+				   AD7280A_ALERT_REG, 1,
+				   AD7280A_ALERT_RELAY_SIG_CHAIN_DOWN);
+		if (ret)
+			return ret;
+
+		ret = ad7280_write(st, ad7280a_devaddr(st->slave_num),
+				   AD7280A_ALERT_REG, 0,
+				   AD7280A_ALERT_GEN_STATIC_HIGH |
+				   FIELD_PREP(AD7280A_ALERT_REMOVE_MSK,
+					      st->chain_last_alert_ignore));
+		if (ret)
+			return ret;
+
+		ret = devm_request_threaded_irq(dev, spi->irq,
+						NULL,
+						ad7280_event_handler,
+						IRQF_TRIGGER_FALLING |
+						IRQF_ONESHOT,
+						indio_dev->name,
+						indio_dev);
+		if (ret)
+			return ret;
+
+		indio_dev->info = &ad7280_info;
+	} else {
+		indio_dev->info = &ad7280_info_no_irq;
+	}
+
+	return devm_iio_device_register(dev, indio_dev);
+}
+
+static const struct spi_device_id ad7280_id[] = {
+	{"ad7280a", 0},
+	{}
+};
+MODULE_DEVICE_TABLE(spi, ad7280_id);
+
+static struct spi_driver ad7280_driver = {
+	.driver = {
+		.name	= "ad7280",
+	},
+	.probe		= ad7280_probe,
+	.id_table	= ad7280_id,
+};
+module_spi_driver(ad7280_driver);
+
+MODULE_AUTHOR("Michael Hennerich <michael.hennerich@analog.com>");
+MODULE_DESCRIPTION("Analog Devices AD7280A");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c
index 0a60ecc69d38..3b193dc26438 100644
--- a/drivers/iio/adc/ad7606.c
+++ b/drivers/iio/adc/ad7606.c
@@ -693,7 +693,7 @@ int ad7606_probe(struct device *dev, int irq, void __iomem *base_address,
 
 	return devm_iio_device_register(dev, indio_dev);
 }
-EXPORT_SYMBOL_GPL(ad7606_probe);
+EXPORT_SYMBOL_NS_GPL(ad7606_probe, IIO_AD7606);
 
 #ifdef CONFIG_PM_SLEEP
 
@@ -725,7 +725,7 @@ static int ad7606_resume(struct device *dev)
 }
 
 SIMPLE_DEV_PM_OPS(ad7606_pm_ops, ad7606_suspend, ad7606_resume);
-EXPORT_SYMBOL_GPL(ad7606_pm_ops);
+EXPORT_SYMBOL_NS_GPL(ad7606_pm_ops, IIO_AD7606);
 
 #endif
 
diff --git a/drivers/iio/adc/ad7606_par.c b/drivers/iio/adc/ad7606_par.c
index f732b3ac7878..8888e56b5e90 100644
--- a/drivers/iio/adc/ad7606_par.c
+++ b/drivers/iio/adc/ad7606_par.c
@@ -101,3 +101,4 @@ module_platform_driver(ad7606_driver);
 MODULE_AUTHOR("Michael Hennerich <michael.hennerich@analog.com>");
 MODULE_DESCRIPTION("Analog Devices AD7606 ADC");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_AD7606);
diff --git a/drivers/iio/adc/ad7606_spi.c b/drivers/iio/adc/ad7606_spi.c
index 29945ad07dca..263a778bcf25 100644
--- a/drivers/iio/adc/ad7606_spi.c
+++ b/drivers/iio/adc/ad7606_spi.c
@@ -362,3 +362,4 @@ module_spi_driver(ad7606_driver);
 MODULE_AUTHOR("Michael Hennerich <michael.hennerich@analog.com>");
 MODULE_DESCRIPTION("Analog Devices AD7606 ADC");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_AD7606);
diff --git a/drivers/iio/adc/ad7780.c b/drivers/iio/adc/ad7780.c
index b6e8c8abf6f4..a813fe04787c 100644
--- a/drivers/iio/adc/ad7780.c
+++ b/drivers/iio/adc/ad7780.c
@@ -375,3 +375,4 @@ module_spi_driver(ad7780_driver);
 MODULE_AUTHOR("Michael Hennerich <michael.hennerich@analog.com>");
 MODULE_DESCRIPTION("Analog Devices AD7780 and similar ADCs");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_AD_SIGMA_DELTA);
diff --git a/drivers/iio/adc/ad7791.c b/drivers/iio/adc/ad7791.c
index cb579aa89f39..fee8d129a5f0 100644
--- a/drivers/iio/adc/ad7791.c
+++ b/drivers/iio/adc/ad7791.c
@@ -474,3 +474,4 @@ module_spi_driver(ad7791_driver);
 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
 MODULE_DESCRIPTION("Analog Devices AD7787/AD7788/AD7789/AD7790/AD7791 ADC driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_AD_SIGMA_DELTA);
diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c
index 0e7ab3fb072a..5f8cb9aaac70 100644
--- a/drivers/iio/adc/ad7793.c
+++ b/drivers/iio/adc/ad7793.c
@@ -867,3 +867,4 @@ module_spi_driver(ad7793_driver);
 MODULE_AUTHOR("Michael Hennerich <michael.hennerich@analog.com>");
 MODULE_DESCRIPTION("Analog Devices AD7793 and similar ADCs");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_AD_SIGMA_DELTA);
diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c
index cd418bd8bd87..ebcd52526cac 100644
--- a/drivers/iio/adc/ad_sigma_delta.c
+++ b/drivers/iio/adc/ad_sigma_delta.c
@@ -42,7 +42,7 @@ void ad_sd_set_comm(struct ad_sigma_delta *sigma_delta, uint8_t comm)
 	 * to select the channel */
 	sigma_delta->comm = comm & AD_SD_COMM_CHAN_MASK;
 }
-EXPORT_SYMBOL_GPL(ad_sd_set_comm);
+EXPORT_SYMBOL_NS_GPL(ad_sd_set_comm, IIO_AD_SIGMA_DELTA);
 
 /**
  * ad_sd_write_reg() - Write a register
@@ -94,7 +94,7 @@ int ad_sd_write_reg(struct ad_sigma_delta *sigma_delta, unsigned int reg,
 
 	return ret;
 }
-EXPORT_SYMBOL_GPL(ad_sd_write_reg);
+EXPORT_SYMBOL_NS_GPL(ad_sd_write_reg, IIO_AD_SIGMA_DELTA);
 
 static int ad_sd_read_reg_raw(struct ad_sigma_delta *sigma_delta,
 	unsigned int reg, unsigned int size, uint8_t *val)
@@ -171,7 +171,7 @@ int ad_sd_read_reg(struct ad_sigma_delta *sigma_delta,
 out:
 	return ret;
 }
-EXPORT_SYMBOL_GPL(ad_sd_read_reg);
+EXPORT_SYMBOL_NS_GPL(ad_sd_read_reg, IIO_AD_SIGMA_DELTA);
 
 /**
  * ad_sd_reset() - Reset the serial interface
@@ -199,7 +199,7 @@ int ad_sd_reset(struct ad_sigma_delta *sigma_delta,
 
 	return ret;
 }
-EXPORT_SYMBOL_GPL(ad_sd_reset);
+EXPORT_SYMBOL_NS_GPL(ad_sd_reset, IIO_AD_SIGMA_DELTA);
 
 int ad_sd_calibrate(struct ad_sigma_delta *sigma_delta,
 	unsigned int mode, unsigned int channel)
@@ -238,7 +238,7 @@ out:
 
 	return ret;
 }
-EXPORT_SYMBOL_GPL(ad_sd_calibrate);
+EXPORT_SYMBOL_NS_GPL(ad_sd_calibrate, IIO_AD_SIGMA_DELTA);
 
 /**
  * ad_sd_calibrate_all() - Performs channel calibration
@@ -262,7 +262,7 @@ int ad_sd_calibrate_all(struct ad_sigma_delta *sigma_delta,
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(ad_sd_calibrate_all);
+EXPORT_SYMBOL_NS_GPL(ad_sd_calibrate_all, IIO_AD_SIGMA_DELTA);
 
 /**
  * ad_sigma_delta_single_conversion() - Performs a single data conversion
@@ -337,7 +337,7 @@ out:
 
 	return IIO_VAL_INT;
 }
-EXPORT_SYMBOL_GPL(ad_sigma_delta_single_conversion);
+EXPORT_SYMBOL_NS_GPL(ad_sigma_delta_single_conversion, IIO_AD_SIGMA_DELTA);
 
 static int ad_sd_buffer_postenable(struct iio_dev *indio_dev)
 {
@@ -465,7 +465,7 @@ int ad_sd_validate_trigger(struct iio_dev *indio_dev, struct iio_trigger *trig)
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(ad_sd_validate_trigger);
+EXPORT_SYMBOL_NS_GPL(ad_sd_validate_trigger, IIO_AD_SIGMA_DELTA);
 
 static int devm_ad_sd_probe_trigger(struct device *dev, struct iio_dev *indio_dev)
 {
@@ -524,7 +524,7 @@ int devm_ad_sd_setup_buffer_and_trigger(struct device *dev, struct iio_dev *indi
 
 	return devm_ad_sd_probe_trigger(dev, indio_dev);
 }
-EXPORT_SYMBOL_GPL(devm_ad_sd_setup_buffer_and_trigger);
+EXPORT_SYMBOL_NS_GPL(devm_ad_sd_setup_buffer_and_trigger, IIO_AD_SIGMA_DELTA);
 
 /**
  * ad_sd_init() - Initializes a ad_sigma_delta struct
@@ -545,7 +545,7 @@ int ad_sd_init(struct ad_sigma_delta *sigma_delta, struct iio_dev *indio_dev,
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(ad_sd_init);
+EXPORT_SYMBOL_NS_GPL(ad_sd_init, IIO_AD_SIGMA_DELTA);
 
 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
 MODULE_DESCRIPTION("Analog Devices Sigma-Delta ADCs");
diff --git a/drivers/iio/adc/aspeed_adc.c b/drivers/iio/adc/aspeed_adc.c
index e939b84cbb56..0793d2474cdc 100644
--- a/drivers/iio/adc/aspeed_adc.c
+++ b/drivers/iio/adc/aspeed_adc.c
@@ -539,7 +539,9 @@ static int aspeed_adc_probe(struct platform_device *pdev)
 	data->clk_scaler = devm_clk_hw_register_divider(
 		&pdev->dev, clk_name, clk_parent_name, scaler_flags,
 		data->base + ASPEED_REG_CLOCK_CONTROL, 0,
-		data->model_data->scaler_bit_width, 0, &data->clk_lock);
+		data->model_data->scaler_bit_width,
+		data->model_data->need_prescaler ? CLK_DIVIDER_ONE_BASED : 0,
+		&data->clk_lock);
 	if (IS_ERR(data->clk_scaler))
 		return PTR_ERR(data->clk_scaler);
 
diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
index 5a7d3a3a5fa8..532daaa6f943 100644
--- a/drivers/iio/adc/at91_adc.c
+++ b/drivers/iio/adc/at91_adc.c
@@ -1234,7 +1234,6 @@ static int at91_adc_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int at91_adc_suspend(struct device *dev)
 {
 	struct iio_dev *idev = dev_get_drvdata(dev);
@@ -1256,9 +1255,9 @@ static int at91_adc_resume(struct device *dev)
 
 	return 0;
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(at91_adc_pm_ops, at91_adc_suspend, at91_adc_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(at91_adc_pm_ops, at91_adc_suspend,
+				at91_adc_resume);
 
 static const struct at91_adc_trigger at91sam9260_triggers[] = {
 	{ .name = "timer-counter-0", .value = 0x1 },
@@ -1386,7 +1385,7 @@ static struct platform_driver at91_adc_driver = {
 	.driver = {
 		   .name = DRIVER_NAME,
 		   .of_match_table = at91_adc_dt_ids,
-		   .pm = &at91_adc_pm_ops,
+		   .pm = pm_sleep_ptr(&at91_adc_pm_ops),
 	},
 };
 
diff --git a/drivers/iio/adc/cpcap-adc.c b/drivers/iio/adc/cpcap-adc.c
index 40e59f4c95bc..b6c4ef70484e 100644
--- a/drivers/iio/adc/cpcap-adc.c
+++ b/drivers/iio/adc/cpcap-adc.c
@@ -474,7 +474,7 @@ static int cpcap_adc_calibrate_one(struct cpcap_adc *ddata,
 	for (i = 0; i < CPCAP_ADC_MAX_RETRIES; i++) {
 		calibration_data[0]  = 0;
 		calibration_data[1]  = 0;
-		cal_data_diff = 0;
+
 		cpcap_adc_setup_calibrate(ddata, channel);
 		error = regmap_read(ddata->reg, calibration_register,
 				    &calibration_data[0]);
diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c
index 3b3868aa2533..cff1ba57fb16 100644
--- a/drivers/iio/adc/exynos_adc.c
+++ b/drivers/iio/adc/exynos_adc.c
@@ -968,7 +968,6 @@ static int exynos_adc_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int exynos_adc_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = dev_get_drvdata(dev);
@@ -1001,11 +1000,9 @@ static int exynos_adc_resume(struct device *dev)
 
 	return 0;
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(exynos_adc_pm_ops,
-			exynos_adc_suspend,
-			exynos_adc_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(exynos_adc_pm_ops, exynos_adc_suspend,
+				exynos_adc_resume);
 
 static struct platform_driver exynos_adc_driver = {
 	.probe		= exynos_adc_probe,
@@ -1013,7 +1010,7 @@ static struct platform_driver exynos_adc_driver = {
 	.driver		= {
 		.name	= "exynos-adc",
 		.of_match_table = exynos_adc_match,
-		.pm	= &exynos_adc_pm_ops,
+		.pm	= pm_sleep_ptr(&exynos_adc_pm_ops),
 	},
 };
 
diff --git a/drivers/iio/adc/hi8435.c b/drivers/iio/adc/hi8435.c
index e665e14c6e54..8eb0140df133 100644
--- a/drivers/iio/adc/hi8435.c
+++ b/drivers/iio/adc/hi8435.c
@@ -529,7 +529,7 @@ static const struct of_device_id hi8435_dt_ids[] = {
 MODULE_DEVICE_TABLE(of, hi8435_dt_ids);
 
 static const struct spi_device_id hi8435_id[] = {
-	{ "hi8435", 0},
+	{ "hi8435", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(spi, hi8435_id);
diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c
index 4f9992a51e64..8d902a32a0fd 100644
--- a/drivers/iio/adc/ina2xx-adc.c
+++ b/drivers/iio/adc/ina2xx-adc.c
@@ -539,7 +539,7 @@ static ssize_t ina2xx_allow_async_readout_show(struct device *dev,
 {
 	struct ina2xx_chip_info *chip = iio_priv(dev_to_iio_dev(dev));
 
-	return sprintf(buf, "%d\n", chip->allow_async_readout);
+	return sysfs_emit(buf, "%d\n", chip->allow_async_readout);
 }
 
 static ssize_t ina2xx_allow_async_readout_store(struct device *dev,
diff --git a/drivers/iio/adc/max9611.c b/drivers/iio/adc/max9611.c
index 01a4275e9c46..f982f00303dc 100644
--- a/drivers/iio/adc/max9611.c
+++ b/drivers/iio/adc/max9611.c
@@ -429,7 +429,7 @@ static ssize_t max9611_shunt_resistor_show(struct device *dev,
 	i = max9611->shunt_resistor_uohm / 1000000;
 	r = max9611->shunt_resistor_uohm % 1000000;
 
-	return sprintf(buf, "%u.%06u\n", i, r);
+	return sysfs_emit(buf, "%u.%06u\n", i, r);
 }
 
 static IIO_DEVICE_ATTR(in_power_shunt_resistor, 0444,
diff --git a/drivers/iio/adc/mt6577_auxadc.c b/drivers/iio/adc/mt6577_auxadc.c
index d4fccd52ef08..e78c96a185db 100644
--- a/drivers/iio/adc/mt6577_auxadc.c
+++ b/drivers/iio/adc/mt6577_auxadc.c
@@ -46,6 +46,11 @@ struct mt6577_auxadc_device {
 	const struct mtk_auxadc_compatible *dev_comp;
 };
 
+static const struct mtk_auxadc_compatible mt8186_compat = {
+	.sample_data_cali = false,
+	.check_global_idle = false,
+};
+
 static const struct mtk_auxadc_compatible mt8173_compat = {
 	.sample_data_cali = false,
 	.check_global_idle = true,
@@ -330,11 +335,12 @@ static SIMPLE_DEV_PM_OPS(mt6577_auxadc_pm_ops,
 			 mt6577_auxadc_resume);
 
 static const struct of_device_id mt6577_auxadc_of_match[] = {
-	{ .compatible = "mediatek,mt2701-auxadc", .data = &mt8173_compat},
-	{ .compatible = "mediatek,mt2712-auxadc", .data = &mt8173_compat},
-	{ .compatible = "mediatek,mt7622-auxadc", .data = &mt8173_compat},
-	{ .compatible = "mediatek,mt8173-auxadc", .data = &mt8173_compat},
-	{ .compatible = "mediatek,mt6765-auxadc", .data = &mt6765_compat},
+	{ .compatible = "mediatek,mt2701-auxadc", .data = &mt8173_compat },
+	{ .compatible = "mediatek,mt2712-auxadc", .data = &mt8173_compat },
+	{ .compatible = "mediatek,mt7622-auxadc", .data = &mt8173_compat },
+	{ .compatible = "mediatek,mt8173-auxadc", .data = &mt8173_compat },
+	{ .compatible = "mediatek,mt8186-auxadc", .data = &mt8186_compat },
+	{ .compatible = "mediatek,mt6765-auxadc", .data = &mt6765_compat },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, mt6577_auxadc_of_match);
diff --git a/drivers/iio/adc/palmas_gpadc.c b/drivers/iio/adc/palmas_gpadc.c
index f9c8385c72d3..61e80bf3d05e 100644
--- a/drivers/iio/adc/palmas_gpadc.c
+++ b/drivers/iio/adc/palmas_gpadc.c
@@ -653,7 +653,6 @@ static int palmas_gpadc_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int palmas_adc_wakeup_configure(struct palmas_gpadc *adc)
 {
 	int adc_period, conv;
@@ -822,12 +821,9 @@ static int palmas_gpadc_resume(struct device *dev)
 
 	return 0;
 };
-#endif
 
-static const struct dev_pm_ops palmas_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(palmas_gpadc_suspend,
-				palmas_gpadc_resume)
-};
+static DEFINE_SIMPLE_DEV_PM_OPS(palmas_pm_ops, palmas_gpadc_suspend,
+				palmas_gpadc_resume);
 
 static const struct of_device_id of_palmas_gpadc_match_tbl[] = {
 	{ .compatible = "ti,palmas-gpadc", },
@@ -840,7 +836,7 @@ static struct platform_driver palmas_gpadc_driver = {
 	.remove = palmas_gpadc_remove,
 	.driver = {
 		.name = MOD_NAME,
-		.pm = &palmas_pm_ops,
+		.pm = pm_sleep_ptr(&palmas_pm_ops),
 		.of_match_table = of_palmas_gpadc_match_tbl,
 	},
 };
diff --git a/drivers/iio/adc/qcom-pm8xxx-xoadc.c b/drivers/iio/adc/qcom-pm8xxx-xoadc.c
index 21d7eff645c3..5e9e56821075 100644
--- a/drivers/iio/adc/qcom-pm8xxx-xoadc.c
+++ b/drivers/iio/adc/qcom-pm8xxx-xoadc.c
@@ -175,7 +175,7 @@ struct xoadc_channel {
 	const char *datasheet_name;
 	u8 pre_scale_mux:2;
 	u8 amux_channel:4;
-	const struct vadc_prescale_ratio prescale;
+	const struct u32_fract prescale;
 	enum iio_chan_type type;
 	enum vadc_scale_fn_type scale_fn_type;
 	u8 amux_ip_rsv:3;
@@ -218,7 +218,9 @@ struct xoadc_variant {
 		.datasheet_name = __stringify(_dname),			\
 		.pre_scale_mux = _presmux,				\
 		.amux_channel = _amux,					\
-		.prescale = { .num = _prenum, .den = _preden },		\
+		.prescale = {						\
+			.numerator = _prenum, .denominator = _preden,	\
+		},							\
 		.type = _type,						\
 		.scale_fn_type = _scale,				\
 		.amux_ip_rsv = _amip,					\
@@ -809,12 +811,11 @@ static int pm8xxx_xoadc_parse_channel(struct device *dev,
 		BIT(IIO_CHAN_INFO_PROCESSED);
 	iio_chan->indexed = 1;
 
-	dev_dbg(dev, "channel [PRESCALE/MUX: %02x AMUX: %02x] \"%s\" "
-		"ref voltage: %d, decimation %d "
-		"prescale %d/%d, scale function %d\n",
+	dev_dbg(dev,
+		"channel [PRESCALE/MUX: %02x AMUX: %02x] \"%s\" ref voltage: %d, decimation %d prescale %d/%d, scale function %d\n",
 		hwchan->pre_scale_mux, hwchan->amux_channel, ch->name,
-		ch->amux_ip_rsv, ch->decimation, hwchan->prescale.num,
-		hwchan->prescale.den, hwchan->scale_fn_type);
+		ch->amux_ip_rsv, ch->decimation, hwchan->prescale.numerator,
+		hwchan->prescale.denominator, hwchan->scale_fn_type);
 
 	return 0;
 }
diff --git a/drivers/iio/adc/qcom-spmi-vadc.c b/drivers/iio/adc/qcom-spmi-vadc.c
index 07b1a99381d9..34202ba52469 100644
--- a/drivers/iio/adc/qcom-spmi-vadc.c
+++ b/drivers/iio/adc/qcom-spmi-vadc.c
@@ -122,15 +122,15 @@ struct vadc_priv {
 	struct mutex		 lock;
 };
 
-static const struct vadc_prescale_ratio vadc_prescale_ratios[] = {
-	{.num =  1, .den =  1},
-	{.num =  1, .den =  3},
-	{.num =  1, .den =  4},
-	{.num =  1, .den =  6},
-	{.num =  1, .den = 20},
-	{.num =  1, .den =  8},
-	{.num = 10, .den = 81},
-	{.num =  1, .den = 10}
+static const struct u32_fract vadc_prescale_ratios[] = {
+	{ .numerator =  1, .denominator =  1 },
+	{ .numerator =  1, .denominator =  3 },
+	{ .numerator =  1, .denominator =  4 },
+	{ .numerator =  1, .denominator =  6 },
+	{ .numerator =  1, .denominator = 20 },
+	{ .numerator =  1, .denominator =  8 },
+	{ .numerator = 10, .denominator = 81 },
+	{ .numerator =  1, .denominator = 10 },
 };
 
 static int vadc_read(struct vadc_priv *vadc, u16 offset, u8 *data)
@@ -404,13 +404,13 @@ err:
 	return ret;
 }
 
-static int vadc_prescaling_from_dt(u32 num, u32 den)
+static int vadc_prescaling_from_dt(u32 numerator, u32 denominator)
 {
 	unsigned int pre;
 
 	for (pre = 0; pre < ARRAY_SIZE(vadc_prescale_ratios); pre++)
-		if (vadc_prescale_ratios[pre].num == num &&
-		    vadc_prescale_ratios[pre].den == den)
+		if (vadc_prescale_ratios[pre].numerator == numerator &&
+		    vadc_prescale_ratios[pre].denominator == denominator)
 			break;
 
 	if (pre == ARRAY_SIZE(vadc_prescale_ratios))
diff --git a/drivers/iio/adc/qcom-vadc-common.c b/drivers/iio/adc/qcom-vadc-common.c
index 14723896aab2..6c6aec848f98 100644
--- a/drivers/iio/adc/qcom-vadc-common.c
+++ b/drivers/iio/adc/qcom-vadc-common.c
@@ -289,44 +289,44 @@ static const struct vadc_map_pt adcmap7_100k[] = {
 	{ 2420, 130048 }
 };
 
-static const struct vadc_prescale_ratio adc5_prescale_ratios[] = {
-	{.num =  1, .den =  1},
-	{.num =  1, .den =  3},
-	{.num =  1, .den =  4},
-	{.num =  1, .den =  6},
-	{.num =  1, .den = 20},
-	{.num =  1, .den =  8},
-	{.num = 10, .den = 81},
-	{.num =  1, .den = 10},
-	{.num =  1, .den = 16}
+static const struct u32_fract adc5_prescale_ratios[] = {
+	{ .numerator =  1, .denominator =  1 },
+	{ .numerator =  1, .denominator =  3 },
+	{ .numerator =  1, .denominator =  4 },
+	{ .numerator =  1, .denominator =  6 },
+	{ .numerator =  1, .denominator = 20 },
+	{ .numerator =  1, .denominator =  8 },
+	{ .numerator = 10, .denominator = 81 },
+	{ .numerator =  1, .denominator = 10 },
+	{ .numerator =  1, .denominator = 16 },
 };
 
 static int qcom_vadc_scale_hw_calib_volt(
-				const struct vadc_prescale_ratio *prescale,
+				const struct u32_fract *prescale,
 				const struct adc5_data *data,
 				u16 adc_code, int *result_uv);
 static int qcom_vadc_scale_hw_calib_therm(
-				const struct vadc_prescale_ratio *prescale,
+				const struct u32_fract *prescale,
 				const struct adc5_data *data,
 				u16 adc_code, int *result_mdec);
 static int qcom_vadc7_scale_hw_calib_therm(
-				const struct vadc_prescale_ratio *prescale,
+				const struct u32_fract *prescale,
 				const struct adc5_data *data,
 				u16 adc_code, int *result_mdec);
 static int qcom_vadc_scale_hw_smb_temp(
-				const struct vadc_prescale_ratio *prescale,
+				const struct u32_fract *prescale,
 				const struct adc5_data *data,
 				u16 adc_code, int *result_mdec);
 static int qcom_vadc_scale_hw_chg5_temp(
-				const struct vadc_prescale_ratio *prescale,
+				const struct u32_fract *prescale,
 				const struct adc5_data *data,
 				u16 adc_code, int *result_mdec);
 static int qcom_vadc_scale_hw_calib_die_temp(
-				const struct vadc_prescale_ratio *prescale,
+				const struct u32_fract *prescale,
 				const struct adc5_data *data,
 				u16 adc_code, int *result_mdec);
 static int qcom_vadc7_scale_hw_calib_die_temp(
-				const struct vadc_prescale_ratio *prescale,
+				const struct u32_fract *prescale,
 				const struct adc5_data *data,
 				u16 adc_code, int *result_mdec);
 
@@ -406,7 +406,7 @@ static void qcom_vadc_scale_calib(const struct vadc_linear_graph *calib_graph,
 }
 
 static int qcom_vadc_scale_volt(const struct vadc_linear_graph *calib_graph,
-				const struct vadc_prescale_ratio *prescale,
+				const struct u32_fract *prescale,
 				bool absolute, u16 adc_code,
 				int *result_uv)
 {
@@ -414,15 +414,15 @@ static int qcom_vadc_scale_volt(const struct vadc_linear_graph *calib_graph,
 
 	qcom_vadc_scale_calib(calib_graph, adc_code, absolute, &voltage);
 
-	voltage = voltage * prescale->den;
-	result = div64_s64(voltage, prescale->num);
+	voltage *= prescale->denominator;
+	result = div64_s64(voltage, prescale->numerator);
 	*result_uv = result;
 
 	return 0;
 }
 
 static int qcom_vadc_scale_therm(const struct vadc_linear_graph *calib_graph,
-				 const struct vadc_prescale_ratio *prescale,
+				 const struct u32_fract *prescale,
 				 bool absolute, u16 adc_code,
 				 int *result_mdec)
 {
@@ -444,7 +444,7 @@ static int qcom_vadc_scale_therm(const struct vadc_linear_graph *calib_graph,
 }
 
 static int qcom_vadc_scale_die_temp(const struct vadc_linear_graph *calib_graph,
-				    const struct vadc_prescale_ratio *prescale,
+				    const struct u32_fract *prescale,
 				    bool absolute,
 				    u16 adc_code, int *result_mdec)
 {
@@ -454,8 +454,8 @@ static int qcom_vadc_scale_die_temp(const struct vadc_linear_graph *calib_graph,
 	qcom_vadc_scale_calib(calib_graph, adc_code, absolute, &voltage);
 
 	if (voltage > 0) {
-		temp = voltage * prescale->den;
-		do_div(temp, prescale->num * 2);
+		temp = voltage * prescale->denominator;
+		do_div(temp, prescale->numerator * 2);
 		voltage = temp;
 	} else {
 		voltage = 0;
@@ -467,7 +467,7 @@ static int qcom_vadc_scale_die_temp(const struct vadc_linear_graph *calib_graph,
 }
 
 static int qcom_vadc_scale_chg_temp(const struct vadc_linear_graph *calib_graph,
-				    const struct vadc_prescale_ratio *prescale,
+				    const struct u32_fract *prescale,
 				    bool absolute,
 				    u16 adc_code, int *result_mdec)
 {
@@ -475,8 +475,8 @@ static int qcom_vadc_scale_chg_temp(const struct vadc_linear_graph *calib_graph,
 
 	qcom_vadc_scale_calib(calib_graph, adc_code, absolute, &voltage);
 
-	voltage = voltage * prescale->den;
-	voltage = div64_s64(voltage, prescale->num);
+	voltage *= prescale->denominator;
+	voltage = div64_s64(voltage, prescale->numerator);
 	voltage = ((PMI_CHG_SCALE_1) * (voltage * 2));
 	voltage = (voltage + PMI_CHG_SCALE_2);
 	result =  div64_s64(voltage, 1000000);
@@ -487,21 +487,21 @@ static int qcom_vadc_scale_chg_temp(const struct vadc_linear_graph *calib_graph,
 
 /* convert voltage to ADC code, using 1.875V reference */
 static u16 qcom_vadc_scale_voltage_code(s32 voltage,
-					const struct vadc_prescale_ratio *prescale,
+					const struct u32_fract *prescale,
 					const u32 full_scale_code_volt,
 					unsigned int factor)
 {
 	s64 volt = voltage;
 	s64 adc_vdd_ref_mv = 1875; /* reference voltage */
 
-	volt *= prescale->num * factor * full_scale_code_volt;
-	volt = div64_s64(volt, (s64)prescale->den * adc_vdd_ref_mv * 1000);
+	volt *= prescale->numerator * factor * full_scale_code_volt;
+	volt = div64_s64(volt, (s64)prescale->denominator * adc_vdd_ref_mv * 1000);
 
 	return volt;
 }
 
 static int qcom_vadc_scale_code_voltage_factor(u16 adc_code,
-				const struct vadc_prescale_ratio *prescale,
+				const struct u32_fract *prescale,
 				const struct adc5_data *data,
 				unsigned int factor)
 {
@@ -520,8 +520,8 @@ static int qcom_vadc_scale_code_voltage_factor(u16 adc_code,
 	voltage = (s64) adc_code * adc_vdd_ref_mv * 1000;
 	voltage = div64_s64(voltage, data->full_scale_code_volt);
 	if (voltage > 0) {
-		voltage *= prescale->den;
-		temp = prescale->num * factor;
+		voltage *= prescale->denominator;
+		temp = prescale->numerator * factor;
 		voltage = div64_s64(voltage, temp);
 	} else {
 		voltage = 0;
@@ -531,7 +531,7 @@ static int qcom_vadc_scale_code_voltage_factor(u16 adc_code,
 }
 
 static int qcom_vadc7_scale_hw_calib_therm(
-				const struct vadc_prescale_ratio *prescale,
+				const struct u32_fract *prescale,
 				const struct adc5_data *data,
 				u16 adc_code, int *result_mdec)
 {
@@ -557,7 +557,7 @@ static int qcom_vadc7_scale_hw_calib_therm(
 }
 
 static int qcom_vadc_scale_hw_calib_volt(
-				const struct vadc_prescale_ratio *prescale,
+				const struct u32_fract *prescale,
 				const struct adc5_data *data,
 				u16 adc_code, int *result_uv)
 {
@@ -568,7 +568,7 @@ static int qcom_vadc_scale_hw_calib_volt(
 }
 
 static int qcom_vadc_scale_hw_calib_therm(
-				const struct vadc_prescale_ratio *prescale,
+				const struct u32_fract *prescale,
 				const struct adc5_data *data,
 				u16 adc_code, int *result_mdec)
 {
@@ -584,7 +584,7 @@ static int qcom_vadc_scale_hw_calib_therm(
 }
 
 static int qcom_vadc_scale_hw_calib_die_temp(
-				const struct vadc_prescale_ratio *prescale,
+				const struct u32_fract *prescale,
 				const struct adc5_data *data,
 				u16 adc_code, int *result_mdec)
 {
@@ -596,7 +596,7 @@ static int qcom_vadc_scale_hw_calib_die_temp(
 }
 
 static int qcom_vadc7_scale_hw_calib_die_temp(
-				const struct vadc_prescale_ratio *prescale,
+				const struct u32_fract *prescale,
 				const struct adc5_data *data,
 				u16 adc_code, int *result_mdec)
 {
@@ -611,7 +611,7 @@ static int qcom_vadc7_scale_hw_calib_die_temp(
 }
 
 static int qcom_vadc_scale_hw_smb_temp(
-				const struct vadc_prescale_ratio *prescale,
+				const struct u32_fract *prescale,
 				const struct adc5_data *data,
 				u16 adc_code, int *result_mdec)
 {
@@ -623,7 +623,7 @@ static int qcom_vadc_scale_hw_smb_temp(
 }
 
 static int qcom_vadc_scale_hw_chg5_temp(
-				const struct vadc_prescale_ratio *prescale,
+				const struct u32_fract *prescale,
 				const struct adc5_data *data,
 				u16 adc_code, int *result_mdec)
 {
@@ -636,7 +636,7 @@ static int qcom_vadc_scale_hw_chg5_temp(
 
 int qcom_vadc_scale(enum vadc_scale_fn_type scaletype,
 		    const struct vadc_linear_graph *calib_graph,
-		    const struct vadc_prescale_ratio *prescale,
+		    const struct u32_fract *prescale,
 		    bool absolute,
 		    u16 adc_code, int *result)
 {
@@ -667,7 +667,7 @@ EXPORT_SYMBOL(qcom_vadc_scale);
 u16 qcom_adc_tm5_temp_volt_scale(unsigned int prescale_ratio,
 				 u32 full_scale_code_volt, int temp)
 {
-	const struct vadc_prescale_ratio *prescale = &adc5_prescale_ratios[prescale_ratio];
+	const struct u32_fract *prescale = &adc5_prescale_ratios[prescale_ratio];
 	s32 voltage;
 
 	voltage = qcom_vadc_map_temp_voltage(adcmap_100k_104ef_104fb_1875_vref,
@@ -682,7 +682,7 @@ int qcom_adc5_hw_scale(enum vadc_scale_fn_type scaletype,
 		    const struct adc5_data *data,
 		    u16 adc_code, int *result)
 {
-	const struct vadc_prescale_ratio *prescale = &adc5_prescale_ratios[prescale_ratio];
+	const struct u32_fract *prescale = &adc5_prescale_ratios[prescale_ratio];
 
 	if (!(scaletype >= SCALE_HW_CALIB_DEFAULT &&
 		scaletype < SCALE_HW_CALIB_INVALID)) {
@@ -695,13 +695,13 @@ int qcom_adc5_hw_scale(enum vadc_scale_fn_type scaletype,
 }
 EXPORT_SYMBOL(qcom_adc5_hw_scale);
 
-int qcom_adc5_prescaling_from_dt(u32 num, u32 den)
+int qcom_adc5_prescaling_from_dt(u32 numerator, u32 denominator)
 {
 	unsigned int pre;
 
 	for (pre = 0; pre < ARRAY_SIZE(adc5_prescale_ratios); pre++)
-		if (adc5_prescale_ratios[pre].num == num &&
-		    adc5_prescale_ratios[pre].den == den)
+		if (adc5_prescale_ratios[pre].numerator == numerator &&
+		    adc5_prescale_ratios[pre].denominator == denominator)
 			break;
 
 	if (pre == ARRAY_SIZE(adc5_prescale_ratios))
diff --git a/drivers/iio/adc/rcar-gyroadc.c b/drivers/iio/adc/rcar-gyroadc.c
index 727ea6c68049..27d9e147b4b7 100644
--- a/drivers/iio/adc/rcar-gyroadc.c
+++ b/drivers/iio/adc/rcar-gyroadc.c
@@ -577,7 +577,6 @@ static int rcar_gyroadc_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#if defined(CONFIG_PM)
 static int rcar_gyroadc_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = dev_get_drvdata(dev);
@@ -597,10 +596,9 @@ static int rcar_gyroadc_resume(struct device *dev)
 
 	return 0;
 }
-#endif
 
 static const struct dev_pm_ops rcar_gyroadc_pm_ops = {
-	SET_RUNTIME_PM_OPS(rcar_gyroadc_suspend, rcar_gyroadc_resume, NULL)
+	RUNTIME_PM_OPS(rcar_gyroadc_suspend, rcar_gyroadc_resume, NULL)
 };
 
 static struct platform_driver rcar_gyroadc_driver = {
@@ -609,7 +607,7 @@ static struct platform_driver rcar_gyroadc_driver = {
 	.driver         = {
 		.name		= DRIVER_NAME,
 		.of_match_table	= rcar_gyroadc_match,
-		.pm		= &rcar_gyroadc_pm_ops,
+		.pm		= pm_ptr(&rcar_gyroadc_pm_ops),
 	},
 };
 
diff --git a/drivers/iio/adc/rn5t618-adc.c b/drivers/iio/adc/rn5t618-adc.c
index 7d891b4ea461..6bf32907f01d 100644
--- a/drivers/iio/adc/rn5t618-adc.c
+++ b/drivers/iio/adc/rn5t618-adc.c
@@ -42,11 +42,6 @@ struct rn5t618_adc_data {
 	int irq;
 };
 
-struct rn5t618_channel_ratios {
-	u16 numerator;
-	u16 denominator;
-};
-
 enum rn5t618_channels {
 	LIMMON = 0,
 	VBAT,
@@ -58,7 +53,7 @@ enum rn5t618_channels {
 	AIN0
 };
 
-static const struct rn5t618_channel_ratios rn5t618_ratios[8] = {
+static const struct u16_fract rn5t618_ratios[8] = {
 	[LIMMON] = {50, 32}, /* measured across 20mOhm, amplified by 32 */
 	[VBAT] = {2, 1},
 	[VADP] = {3, 1},
diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c
index 14b8df4ca9c8..b87ea7148b58 100644
--- a/drivers/iio/adc/rockchip_saradc.c
+++ b/drivers/iio/adc/rockchip_saradc.c
@@ -481,7 +481,6 @@ static int rockchip_saradc_probe(struct platform_device *pdev)
 	return devm_iio_device_register(&pdev->dev, indio_dev);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int rockchip_saradc_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = dev_get_drvdata(dev);
@@ -514,17 +513,17 @@ static int rockchip_saradc_resume(struct device *dev)
 
 	return ret;
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(rockchip_saradc_pm_ops,
-			 rockchip_saradc_suspend, rockchip_saradc_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(rockchip_saradc_pm_ops,
+				rockchip_saradc_suspend,
+				rockchip_saradc_resume);
 
 static struct platform_driver rockchip_saradc_driver = {
 	.probe		= rockchip_saradc_probe,
 	.driver		= {
 		.name	= "rockchip-saradc",
 		.of_match_table = rockchip_saradc_match,
-		.pm	= &rockchip_saradc_pm_ops,
+		.pm	= pm_sleep_ptr(&rockchip_saradc_pm_ops),
 	},
 };
 
diff --git a/drivers/iio/adc/rzg2l_adc.c b/drivers/iio/adc/rzg2l_adc.c
index 9d5be52bd948..7585144b9715 100644
--- a/drivers/iio/adc/rzg2l_adc.c
+++ b/drivers/iio/adc/rzg2l_adc.c
@@ -55,7 +55,7 @@
 #define RZG2L_ADCR(n)			(0x30 + ((n) * 0x4))
 #define RZG2L_ADCR_AD_MASK		GENMASK(11, 0)
 
-#define RZG2L_ADSMP_DEFUALT_SAMPLING	0x578
+#define RZG2L_ADSMP_DEFAULT_SAMPLING	0x578
 
 #define RZG2L_ADC_MAX_CHANNELS		8
 #define RZG2L_ADC_CHN_MASK		0x7
@@ -395,7 +395,7 @@ static int rzg2l_adc_hw_init(struct rzg2l_adc *adc)
 	reg &= ~RZG2L_ADM3_ADIL_MASK;
 	reg &= ~RZG2L_ADM3_ADCMP_MASK;
 	reg &= ~RZG2L_ADM3_ADSMP_MASK;
-	reg |= (RZG2L_ADM3_ADCMP_E | RZG2L_ADSMP_DEFUALT_SAMPLING);
+	reg |= (RZG2L_ADM3_ADCMP_E | RZG2L_ADSMP_DEFAULT_SAMPLING);
 	rzg2l_adc_writel(adc, RZG2L_ADM(3), reg);
 
 exit_hw_init:
diff --git a/drivers/iio/adc/stm32-adc-core.c b/drivers/iio/adc/stm32-adc-core.c
index b6e18eb101f7..142656232157 100644
--- a/drivers/iio/adc/stm32-adc-core.c
+++ b/drivers/iio/adc/stm32-adc-core.c
@@ -763,7 +763,6 @@ static int stm32_adc_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#if defined(CONFIG_PM)
 static int stm32_adc_core_runtime_suspend(struct device *dev)
 {
 	stm32_adc_core_hw_stop(dev);
@@ -782,15 +781,11 @@ static int stm32_adc_core_runtime_idle(struct device *dev)
 
 	return 0;
 }
-#endif
-
-static const struct dev_pm_ops stm32_adc_core_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
-				pm_runtime_force_resume)
-	SET_RUNTIME_PM_OPS(stm32_adc_core_runtime_suspend,
-			   stm32_adc_core_runtime_resume,
-			   stm32_adc_core_runtime_idle)
-};
+
+static DEFINE_RUNTIME_DEV_PM_OPS(stm32_adc_core_pm_ops,
+				stm32_adc_core_runtime_suspend,
+				stm32_adc_core_runtime_resume,
+				stm32_adc_core_runtime_idle);
 
 static const struct stm32_adc_priv_cfg stm32f4_adc_priv_cfg = {
 	.regs = &stm32f4_adc_common_regs,
@@ -836,7 +831,7 @@ static struct platform_driver stm32_adc_driver = {
 	.driver = {
 		.name = "stm32-adc-core",
 		.of_match_table = stm32_adc_of_match,
-		.pm = &stm32_adc_core_pm_ops,
+		.pm = pm_ptr(&stm32_adc_core_pm_ops),
 	},
 };
 module_platform_driver(stm32_adc_driver);
diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c
index 897166d9e45c..a68ecbda6480 100644
--- a/drivers/iio/adc/stm32-adc.c
+++ b/drivers/iio/adc/stm32-adc.c
@@ -2352,7 +2352,6 @@ static int stm32_adc_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#if defined(CONFIG_PM_SLEEP)
 static int stm32_adc_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = dev_get_drvdata(dev);
@@ -2382,9 +2381,7 @@ static int stm32_adc_resume(struct device *dev)
 
 	return stm32_adc_buffer_postenable(indio_dev);
 }
-#endif
 
-#if defined(CONFIG_PM)
 static int stm32_adc_runtime_suspend(struct device *dev)
 {
 	return stm32_adc_hw_stop(dev);
@@ -2394,12 +2391,11 @@ static int stm32_adc_runtime_resume(struct device *dev)
 {
 	return stm32_adc_hw_start(dev);
 }
-#endif
 
 static const struct dev_pm_ops stm32_adc_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(stm32_adc_suspend, stm32_adc_resume)
-	SET_RUNTIME_PM_OPS(stm32_adc_runtime_suspend, stm32_adc_runtime_resume,
-			   NULL)
+	SYSTEM_SLEEP_PM_OPS(stm32_adc_suspend, stm32_adc_resume)
+	RUNTIME_PM_OPS(stm32_adc_runtime_suspend, stm32_adc_runtime_resume,
+		       NULL)
 };
 
 static const struct stm32_adc_cfg stm32f4_adc_cfg = {
@@ -2453,7 +2449,7 @@ static struct platform_driver stm32_adc_driver = {
 	.driver = {
 		.name = "stm32-adc",
 		.of_match_table = stm32_adc_of_match,
-		.pm = &stm32_adc_pm_ops,
+		.pm = pm_ptr(&stm32_adc_pm_ops),
 	},
 };
 module_platform_driver(stm32_adc_driver);
diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c
index 1cfefb3b5e56..9704cf0b9753 100644
--- a/drivers/iio/adc/stm32-dfsdm-adc.c
+++ b/drivers/iio/adc/stm32-dfsdm-adc.c
@@ -1632,7 +1632,7 @@ static int stm32_dfsdm_adc_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static int __maybe_unused stm32_dfsdm_adc_suspend(struct device *dev)
+static int stm32_dfsdm_adc_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = dev_get_drvdata(dev);
 
@@ -1642,7 +1642,7 @@ static int __maybe_unused stm32_dfsdm_adc_suspend(struct device *dev)
 	return 0;
 }
 
-static int __maybe_unused stm32_dfsdm_adc_resume(struct device *dev)
+static int stm32_dfsdm_adc_resume(struct device *dev)
 {
 	struct iio_dev *indio_dev = dev_get_drvdata(dev);
 	struct stm32_dfsdm_adc *adc = iio_priv(indio_dev);
@@ -1665,14 +1665,15 @@ static int __maybe_unused stm32_dfsdm_adc_resume(struct device *dev)
 	return 0;
 }
 
-static SIMPLE_DEV_PM_OPS(stm32_dfsdm_adc_pm_ops,
-			 stm32_dfsdm_adc_suspend, stm32_dfsdm_adc_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(stm32_dfsdm_adc_pm_ops,
+				stm32_dfsdm_adc_suspend,
+				stm32_dfsdm_adc_resume);
 
 static struct platform_driver stm32_dfsdm_adc_driver = {
 	.driver = {
 		.name = "stm32-dfsdm-adc",
 		.of_match_table = stm32_dfsdm_adc_match,
-		.pm = &stm32_dfsdm_adc_pm_ops,
+		.pm = pm_sleep_ptr(&stm32_dfsdm_adc_pm_ops),
 	},
 	.probe = stm32_dfsdm_adc_probe,
 	.remove = stm32_dfsdm_adc_remove,
diff --git a/drivers/iio/adc/stm32-dfsdm-core.c b/drivers/iio/adc/stm32-dfsdm-core.c
index a627af9a825e..a3d4de6ba4c2 100644
--- a/drivers/iio/adc/stm32-dfsdm-core.c
+++ b/drivers/iio/adc/stm32-dfsdm-core.c
@@ -381,7 +381,7 @@ static int stm32_dfsdm_core_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static int __maybe_unused stm32_dfsdm_core_suspend(struct device *dev)
+static int stm32_dfsdm_core_suspend(struct device *dev)
 {
 	struct stm32_dfsdm *dfsdm = dev_get_drvdata(dev);
 	struct dfsdm_priv *priv = to_stm32_dfsdm_priv(dfsdm);
@@ -397,7 +397,7 @@ static int __maybe_unused stm32_dfsdm_core_suspend(struct device *dev)
 	return pinctrl_pm_select_sleep_state(dev);
 }
 
-static int __maybe_unused stm32_dfsdm_core_resume(struct device *dev)
+static int stm32_dfsdm_core_resume(struct device *dev)
 {
 	struct stm32_dfsdm *dfsdm = dev_get_drvdata(dev);
 	struct dfsdm_priv *priv = to_stm32_dfsdm_priv(dfsdm);
@@ -414,7 +414,7 @@ static int __maybe_unused stm32_dfsdm_core_resume(struct device *dev)
 	return pm_runtime_force_resume(dev);
 }
 
-static int __maybe_unused stm32_dfsdm_core_runtime_suspend(struct device *dev)
+static int stm32_dfsdm_core_runtime_suspend(struct device *dev)
 {
 	struct stm32_dfsdm *dfsdm = dev_get_drvdata(dev);
 
@@ -423,7 +423,7 @@ static int __maybe_unused stm32_dfsdm_core_runtime_suspend(struct device *dev)
 	return 0;
 }
 
-static int __maybe_unused stm32_dfsdm_core_runtime_resume(struct device *dev)
+static int stm32_dfsdm_core_runtime_resume(struct device *dev)
 {
 	struct stm32_dfsdm *dfsdm = dev_get_drvdata(dev);
 
@@ -431,11 +431,10 @@ static int __maybe_unused stm32_dfsdm_core_runtime_resume(struct device *dev)
 }
 
 static const struct dev_pm_ops stm32_dfsdm_core_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(stm32_dfsdm_core_suspend,
-				stm32_dfsdm_core_resume)
-	SET_RUNTIME_PM_OPS(stm32_dfsdm_core_runtime_suspend,
-			   stm32_dfsdm_core_runtime_resume,
-			   NULL)
+	SYSTEM_SLEEP_PM_OPS(stm32_dfsdm_core_suspend, stm32_dfsdm_core_resume)
+	RUNTIME_PM_OPS(stm32_dfsdm_core_runtime_suspend,
+		       stm32_dfsdm_core_runtime_resume,
+		       NULL)
 };
 
 static struct platform_driver stm32_dfsdm_driver = {
@@ -444,7 +443,7 @@ static struct platform_driver stm32_dfsdm_driver = {
 	.driver = {
 		.name = "stm32-dfsdm",
 		.of_match_table = stm32_dfsdm_of_match,
-		.pm = &stm32_dfsdm_core_pm_ops,
+		.pm = pm_ptr(&stm32_dfsdm_core_pm_ops),
 	},
 };
 
diff --git a/drivers/iio/adc/ti-adc084s021.c b/drivers/iio/adc/ti-adc084s021.c
index ce3f5a3814f9..c9b5d9aec3dc 100644
--- a/drivers/iio/adc/ti-adc084s021.c
+++ b/drivers/iio/adc/ti-adc084s021.c
@@ -248,7 +248,7 @@ static const struct of_device_id adc084s021_of_match[] = {
 MODULE_DEVICE_TABLE(of, adc084s021_of_match);
 
 static const struct spi_device_id adc084s021_id[] = {
-	{ ADC084S021_DRIVER_NAME, 0},
+	{ ADC084S021_DRIVER_NAME, 0 },
 	{}
 };
 MODULE_DEVICE_TABLE(spi, adc084s021_id);
diff --git a/drivers/iio/adc/ti-tsc2046.c b/drivers/iio/adc/ti-tsc2046.c
index e8fc4d01f30b..55b35570ad8b 100644
--- a/drivers/iio/adc/ti-tsc2046.c
+++ b/drivers/iio/adc/ti-tsc2046.c
@@ -82,6 +82,11 @@
 #define TI_TSC2046_DATA_12BIT			GENMASK(14, 3)
 
 #define TI_TSC2046_MAX_CHAN			8
+#define TI_TSC2046_MIN_POLL_CNT			3
+#define TI_TSC2046_EXT_POLL_CNT			3
+#define TI_TSC2046_POLL_CNT \
+	(TI_TSC2046_MIN_POLL_CNT + TI_TSC2046_EXT_POLL_CNT)
+#define TI_TSC2046_INT_VREF			2500
 
 /* Represents a HW sample */
 struct tsc2046_adc_atom {
@@ -123,14 +128,23 @@ struct tsc2046_adc_ch_cfg {
 	unsigned int oversampling_ratio;
 };
 
+enum tsc2046_state {
+	TSC2046_STATE_SHUTDOWN,
+	TSC2046_STATE_STANDBY,
+	TSC2046_STATE_POLL,
+	TSC2046_STATE_POLL_IRQ_DISABLE,
+	TSC2046_STATE_ENABLE_IRQ,
+};
+
 struct tsc2046_adc_priv {
 	struct spi_device *spi;
 	const struct tsc2046_adc_dcfg *dcfg;
 
 	struct iio_trigger *trig;
 	struct hrtimer trig_timer;
-	spinlock_t trig_lock;
-	unsigned int trig_more_count;
+	enum tsc2046_state state;
+	int poll_cnt;
+	spinlock_t state_lock;
 
 	struct spi_transfer xfer;
 	struct spi_message msg;
@@ -153,9 +167,6 @@ struct tsc2046_adc_priv {
 	struct tsc2046_adc_atom *rx;
 	struct tsc2046_adc_atom *tx;
 
-	struct tsc2046_adc_atom *rx_one;
-	struct tsc2046_adc_atom *tx_one;
-
 	unsigned int count;
 	unsigned int groups;
 	u32 effective_speed_hz;
@@ -171,6 +182,8 @@ struct tsc2046_adc_priv {
 	.type = IIO_VOLTAGE,					\
 	.indexed = 1,						\
 	.channel = index,					\
+	.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),		\
+	.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),	\
 	.datasheet_name = "#name",				\
 	.scan_index = index,					\
 	.scan_type = {						\
@@ -234,6 +247,14 @@ static u8 tsc2046_adc_get_cmd(struct tsc2046_adc_priv *priv, int ch_idx,
 	else
 		pd = 0;
 
+	switch (ch_idx) {
+	case TI_TSC2046_ADDR_TEMP1:
+	case TI_TSC2046_ADDR_AUX:
+	case TI_TSC2046_ADDR_VBAT:
+	case TI_TSC2046_ADDR_TEMP0:
+		pd |= TI_TSC2046_SER | TI_TSC2046_PD1_VREF_ON;
+	}
+
 	return TI_TSC2046_START | FIELD_PREP(TI_TSC2046_ADDR, ch_idx) | pd;
 }
 
@@ -245,16 +266,50 @@ static u16 tsc2046_adc_get_value(struct tsc2046_adc_atom *buf)
 static int tsc2046_adc_read_one(struct tsc2046_adc_priv *priv, int ch_idx,
 				u32 *effective_speed_hz)
 {
+	struct tsc2046_adc_ch_cfg *ch = &priv->ch_cfg[ch_idx];
+	struct tsc2046_adc_atom *rx_buf, *tx_buf;
+	unsigned int val, val_normalized = 0;
+	int ret, i, count_skip = 0, max_count;
 	struct spi_transfer xfer;
 	struct spi_message msg;
-	int ret;
+	u8 cmd;
+
+	if (!effective_speed_hz) {
+		count_skip = tsc2046_adc_time_to_count(priv, ch->settling_time_us);
+		max_count = count_skip + ch->oversampling_ratio;
+	} else {
+		max_count = 1;
+	}
+
+	if (sizeof(*tx_buf) * max_count > PAGE_SIZE)
+		return -ENOSPC;
+
+	tx_buf = kcalloc(max_count, sizeof(*tx_buf), GFP_KERNEL);
+	if (!tx_buf)
+		return -ENOMEM;
+
+	rx_buf = kcalloc(max_count, sizeof(*rx_buf), GFP_KERNEL);
+	if (!rx_buf) {
+		ret = -ENOMEM;
+		goto free_tx;
+	}
+
+	/*
+	 * Do not enable automatic power down on working samples. Otherwise the
+	 * plates will never be completely charged.
+	 */
+	cmd = tsc2046_adc_get_cmd(priv, ch_idx, true);
+
+	for (i = 0; i < max_count - 1; i++)
+		tx_buf[i].cmd = cmd;
+
+	/* automatically power down on last sample */
+	tx_buf[i].cmd = tsc2046_adc_get_cmd(priv, ch_idx, false);
 
 	memset(&xfer, 0, sizeof(xfer));
-	priv->tx_one->cmd = tsc2046_adc_get_cmd(priv, ch_idx, false);
-	priv->tx_one->data = 0;
-	xfer.tx_buf = priv->tx_one;
-	xfer.rx_buf = priv->rx_one;
-	xfer.len = sizeof(*priv->tx_one);
+	xfer.tx_buf = tx_buf;
+	xfer.rx_buf = rx_buf;
+	xfer.len = sizeof(*tx_buf) * max_count;
 	spi_message_init_with_transfers(&msg, &xfer, 1);
 
 	/*
@@ -265,13 +320,25 @@ static int tsc2046_adc_read_one(struct tsc2046_adc_priv *priv, int ch_idx,
 	if (ret) {
 		dev_err_ratelimited(&priv->spi->dev, "SPI transfer failed %pe\n",
 				    ERR_PTR(ret));
-		return ret;
+		goto free_bufs;
 	}
 
 	if (effective_speed_hz)
 		*effective_speed_hz = xfer.effective_speed_hz;
 
-	return tsc2046_adc_get_value(priv->rx_one);
+	for (i = 0; i < max_count - count_skip; i++) {
+		val = tsc2046_adc_get_value(&rx_buf[count_skip + i]);
+		val_normalized += val;
+	}
+
+	ret = DIV_ROUND_UP(val_normalized, max_count - count_skip);
+
+free_bufs:
+	kfree(rx_buf);
+free_tx:
+	kfree(tx_buf);
+
+	return ret;
 }
 
 static size_t tsc2046_adc_group_set_layout(struct tsc2046_adc_priv *priv,
@@ -378,6 +445,37 @@ static irqreturn_t tsc2046_adc_trigger_handler(int irq, void *p)
 	return IRQ_HANDLED;
 }
 
+static int tsc2046_adc_read_raw(struct iio_dev *indio_dev,
+				struct iio_chan_spec const *chan,
+				int *val, int *val2, long m)
+{
+	struct tsc2046_adc_priv *priv = iio_priv(indio_dev);
+	int ret;
+
+	switch (m) {
+	case IIO_CHAN_INFO_RAW:
+		ret = tsc2046_adc_read_one(priv, chan->channel, NULL);
+		if (ret < 0)
+			return ret;
+
+		*val = ret;
+
+		return IIO_VAL_INT;
+	case IIO_CHAN_INFO_SCALE:
+		/*
+		 * Note: the TSC2046 has internal voltage divider on the VBAT
+		 * line. This divider can be influenced by external divider.
+		 * So, it is better to use external voltage-divider driver
+		 * instead, which is calculating complete chain.
+		 */
+		*val = TI_TSC2046_INT_VREF;
+		*val2 = chan->scan_type.realbits;
+		return IIO_VAL_FRACTIONAL_LOG2;
+	}
+
+	return -EINVAL;
+}
+
 static int tsc2046_adc_update_scan_mode(struct iio_dev *indio_dev,
 					const unsigned long *active_scan_mask)
 {
@@ -408,24 +506,67 @@ static int tsc2046_adc_update_scan_mode(struct iio_dev *indio_dev,
 }
 
 static const struct iio_info tsc2046_adc_info = {
+	.read_raw	  = tsc2046_adc_read_raw,
 	.update_scan_mode = tsc2046_adc_update_scan_mode,
 };
 
-static enum hrtimer_restart tsc2046_adc_trig_more(struct hrtimer *hrtimer)
+static enum hrtimer_restart tsc2046_adc_timer(struct hrtimer *hrtimer)
 {
 	struct tsc2046_adc_priv *priv = container_of(hrtimer,
 						     struct tsc2046_adc_priv,
 						     trig_timer);
 	unsigned long flags;
 
-	spin_lock_irqsave(&priv->trig_lock, flags);
-
-	disable_irq_nosync(priv->spi->irq);
-
-	priv->trig_more_count++;
-	iio_trigger_poll(priv->trig);
+	/*
+	 * This state machine should address following challenges :
+	 * - the interrupt source is based on level shifter attached to the X
+	 *   channel of ADC. It will change the state every time we switch
+	 *   between channels. So, we need to disable IRQ if we do
+	 *   iio_trigger_poll().
+	 * - we should do iio_trigger_poll() at some reduced sample rate
+	 * - we should still trigger for some amount of time after last
+	 *   interrupt with enabled IRQ was processed.
+	 */
 
-	spin_unlock_irqrestore(&priv->trig_lock, flags);
+	spin_lock_irqsave(&priv->state_lock, flags);
+	switch (priv->state) {
+	case TSC2046_STATE_ENABLE_IRQ:
+		if (priv->poll_cnt < TI_TSC2046_POLL_CNT) {
+			priv->poll_cnt++;
+			hrtimer_start(&priv->trig_timer,
+				      ns_to_ktime(priv->scan_interval_us *
+						  NSEC_PER_USEC),
+				      HRTIMER_MODE_REL_SOFT);
+
+			if (priv->poll_cnt >= TI_TSC2046_MIN_POLL_CNT) {
+				priv->state = TSC2046_STATE_POLL_IRQ_DISABLE;
+				enable_irq(priv->spi->irq);
+			} else {
+				priv->state = TSC2046_STATE_POLL;
+			}
+		} else {
+			priv->state = TSC2046_STATE_STANDBY;
+			enable_irq(priv->spi->irq);
+		}
+		break;
+	case TSC2046_STATE_POLL_IRQ_DISABLE:
+		disable_irq_nosync(priv->spi->irq);
+		fallthrough;
+	case TSC2046_STATE_POLL:
+		priv->state = TSC2046_STATE_ENABLE_IRQ;
+		/* iio_trigger_poll() starts hrtimer */
+		iio_trigger_poll(priv->trig);
+		break;
+	case TSC2046_STATE_SHUTDOWN:
+		break;
+	case TSC2046_STATE_STANDBY:
+		fallthrough;
+	default:
+		dev_warn(&priv->spi->dev, "Got unexpected state: %i\n",
+			 priv->state);
+		break;
+	}
+	spin_unlock_irqrestore(&priv->state_lock, flags);
 
 	return HRTIMER_NORESTART;
 }
@@ -434,16 +575,20 @@ static irqreturn_t tsc2046_adc_irq(int irq, void *dev_id)
 {
 	struct iio_dev *indio_dev = dev_id;
 	struct tsc2046_adc_priv *priv = iio_priv(indio_dev);
-
-	spin_lock(&priv->trig_lock);
+	unsigned long flags;
 
 	hrtimer_try_to_cancel(&priv->trig_timer);
 
-	priv->trig_more_count = 0;
-	disable_irq_nosync(priv->spi->irq);
-	iio_trigger_poll(priv->trig);
+	spin_lock_irqsave(&priv->state_lock, flags);
+	if (priv->state != TSC2046_STATE_SHUTDOWN) {
+		priv->state = TSC2046_STATE_ENABLE_IRQ;
+		priv->poll_cnt = 0;
 
-	spin_unlock(&priv->trig_lock);
+		/* iio_trigger_poll() starts hrtimer */
+		disable_irq_nosync(priv->spi->irq);
+		iio_trigger_poll(priv->trig);
+	}
+	spin_unlock_irqrestore(&priv->state_lock, flags);
 
 	return IRQ_HANDLED;
 }
@@ -452,49 +597,42 @@ static void tsc2046_adc_reenable_trigger(struct iio_trigger *trig)
 {
 	struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);
 	struct tsc2046_adc_priv *priv = iio_priv(indio_dev);
-	unsigned long flags;
-	int delta;
+	ktime_t tim;
 
 	/*
 	 * We can sample it as fast as we can, but usually we do not need so
 	 * many samples. Reduce the sample rate for default (touchscreen) use
 	 * case.
-	 * Currently we do not need a highly precise sample rate. It is enough
-	 * to have calculated numbers.
-	 */
-	delta = priv->scan_interval_us - priv->time_per_scan_us;
-	if (delta > 0)
-		fsleep(delta);
-
-	spin_lock_irqsave(&priv->trig_lock, flags);
-
-	/*
-	 * We need to trigger at least one extra sample to detect state
-	 * difference on ADC side.
 	 */
-	if (!priv->trig_more_count) {
-		int timeout_ms = DIV_ROUND_UP(priv->scan_interval_us,
-					      USEC_PER_MSEC);
-
-		hrtimer_start(&priv->trig_timer, ms_to_ktime(timeout_ms),
-			      HRTIMER_MODE_REL_SOFT);
-	}
-
-	enable_irq(priv->spi->irq);
-
-	spin_unlock_irqrestore(&priv->trig_lock, flags);
+	tim = ns_to_ktime((priv->scan_interval_us - priv->time_per_scan_us) *
+			  NSEC_PER_USEC);
+	hrtimer_start(&priv->trig_timer, tim, HRTIMER_MODE_REL_SOFT);
 }
 
 static int tsc2046_adc_set_trigger_state(struct iio_trigger *trig, bool enable)
 {
 	struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);
 	struct tsc2046_adc_priv *priv = iio_priv(indio_dev);
+	unsigned long flags;
 
 	if (enable) {
-		enable_irq(priv->spi->irq);
+		spin_lock_irqsave(&priv->state_lock, flags);
+		if (priv->state == TSC2046_STATE_SHUTDOWN) {
+			priv->state = TSC2046_STATE_STANDBY;
+			enable_irq(priv->spi->irq);
+		}
+		spin_unlock_irqrestore(&priv->state_lock, flags);
 	} else {
-		disable_irq(priv->spi->irq);
-		hrtimer_try_to_cancel(&priv->trig_timer);
+		spin_lock_irqsave(&priv->state_lock, flags);
+
+		if (priv->state == TSC2046_STATE_STANDBY ||
+		    priv->state == TSC2046_STATE_POLL_IRQ_DISABLE)
+			disable_irq_nosync(priv->spi->irq);
+
+		priv->state = TSC2046_STATE_SHUTDOWN;
+		spin_unlock_irqrestore(&priv->state_lock, flags);
+
+		hrtimer_cancel(&priv->trig_timer);
 	}
 
 	return 0;
@@ -511,16 +649,6 @@ static int tsc2046_adc_setup_spi_msg(struct tsc2046_adc_priv *priv)
 	size_t size;
 	int ret;
 
-	priv->tx_one = devm_kzalloc(&priv->spi->dev, sizeof(*priv->tx_one),
-				    GFP_KERNEL);
-	if (!priv->tx_one)
-		return -ENOMEM;
-
-	priv->rx_one = devm_kzalloc(&priv->spi->dev, sizeof(*priv->rx_one),
-				    GFP_KERNEL);
-	if (!priv->rx_one)
-		return -ENOMEM;
-
 	/*
 	 * Make dummy read to set initial power state and get real SPI clock
 	 * freq. It seems to be not important which channel is used for this
@@ -551,6 +679,12 @@ static int tsc2046_adc_setup_spi_msg(struct tsc2046_adc_priv *priv)
 	for (ch_idx = 0; ch_idx < ARRAY_SIZE(priv->l); ch_idx++)
 		size += tsc2046_adc_group_set_layout(priv, ch_idx, ch_idx);
 
+	if (size > PAGE_SIZE) {
+		dev_err(&priv->spi->dev,
+			"Calculated scan buffer is too big. Try to reduce spi-max-frequency, settling-time-us or oversampling-ratio\n");
+		return -ENOSPC;
+	}
+
 	priv->tx = devm_kzalloc(&priv->spi->dev, size, GFP_KERNEL);
 	if (!priv->tx)
 		return -ENOMEM;
@@ -668,10 +802,11 @@ static int tsc2046_adc_probe(struct spi_device *spi)
 	iio_trigger_set_drvdata(trig, indio_dev);
 	trig->ops = &tsc2046_adc_trigger_ops;
 
-	spin_lock_init(&priv->trig_lock);
+	spin_lock_init(&priv->state_lock);
+	priv->state = TSC2046_STATE_SHUTDOWN;
 	hrtimer_init(&priv->trig_timer, CLOCK_MONOTONIC,
 		     HRTIMER_MODE_REL_SOFT);
-	priv->trig_timer.function = tsc2046_adc_trig_more;
+	priv->trig_timer.function = tsc2046_adc_timer;
 
 	ret = devm_iio_trigger_register(dev, trig);
 	if (ret) {
diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c
index 6ce40cc4568a..f8f8aea15612 100644
--- a/drivers/iio/adc/twl4030-madc.c
+++ b/drivers/iio/adc/twl4030-madc.c
@@ -231,13 +231,7 @@ static const struct iio_chan_spec twl4030_madc_iio_channels[] = {
 
 static struct twl4030_madc_data *twl4030_madc;
 
-struct twl4030_prescale_divider_ratios {
-	s16 numerator;
-	s16 denominator;
-};
-
-static const struct twl4030_prescale_divider_ratios
-twl4030_divider_ratios[16] = {
+static const struct s16_fract twl4030_divider_ratios[16] = {
 	{1, 1},		/* CHANNEL 0 No Prescaler */
 	{1, 1},		/* CHANNEL 1 No Prescaler */
 	{6, 10},	/* CHANNEL 2 */
@@ -256,7 +250,6 @@ twl4030_divider_ratios[16] = {
 	{5, 11},	/* CHANNEL 15 */
 };
 
-
 /* Conversion table from -3 to 55 degrees Celcius */
 static int twl4030_therm_tbl[] = {
 	30800,	29500,	28300,	27100,
diff --git a/drivers/iio/adc/twl6030-gpadc.c b/drivers/iio/adc/twl6030-gpadc.c
index afdb59e0b526..f53e8558b560 100644
--- a/drivers/iio/adc/twl6030-gpadc.c
+++ b/drivers/iio/adc/twl6030-gpadc.c
@@ -911,6 +911,8 @@ static int twl6030_gpadc_probe(struct platform_device *pdev)
 	ret = devm_request_threaded_irq(dev, irq, NULL,
 				twl6030_gpadc_irq_handler,
 				IRQF_ONESHOT, "twl6030_gpadc", indio_dev);
+	if (ret)
+		return ret;
 
 	ret = twl6030_gpadc_enable_irq(TWL6030_GPADC_RT_SW1_EOC_MASK);
 	if (ret < 0) {
@@ -944,7 +946,6 @@ static int twl6030_gpadc_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int twl6030_gpadc_suspend(struct device *pdev)
 {
 	int ret;
@@ -968,17 +969,16 @@ static int twl6030_gpadc_resume(struct device *pdev)
 
 	return 0;
 };
-#endif
 
-static SIMPLE_DEV_PM_OPS(twl6030_gpadc_pm_ops, twl6030_gpadc_suspend,
-					twl6030_gpadc_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(twl6030_gpadc_pm_ops, twl6030_gpadc_suspend,
+				twl6030_gpadc_resume);
 
 static struct platform_driver twl6030_gpadc_driver = {
 	.probe		= twl6030_gpadc_probe,
 	.remove		= twl6030_gpadc_remove,
 	.driver		= {
 		.name	= DRIVER_NAME,
-		.pm	= &twl6030_gpadc_pm_ops,
+		.pm	= pm_sleep_ptr(&twl6030_gpadc_pm_ops),
 		.of_match_table = of_twl6030_match_tbl,
 	},
 };
diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c
index fd57fc43e8e5..c84293efc129 100644
--- a/drivers/iio/adc/vf610_adc.c
+++ b/drivers/iio/adc/vf610_adc.c
@@ -912,7 +912,6 @@ static int vf610_adc_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int vf610_adc_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = dev_get_drvdata(dev);
@@ -952,9 +951,9 @@ disable_reg:
 	regulator_disable(info->vref);
 	return ret;
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(vf610_adc_pm_ops, vf610_adc_suspend, vf610_adc_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(vf610_adc_pm_ops, vf610_adc_suspend,
+				vf610_adc_resume);
 
 static struct platform_driver vf610_adc_driver = {
 	.probe          = vf610_adc_probe,
@@ -962,7 +961,7 @@ static struct platform_driver vf610_adc_driver = {
 	.driver         = {
 		.name   = DRIVER_NAME,
 		.of_match_table = vf610_adc_match,
-		.pm     = &vf610_adc_pm_ops,
+		.pm     = pm_sleep_ptr(&vf610_adc_pm_ops),
 	},
 };
 
diff --git a/drivers/iio/adc/xilinx-ams.c b/drivers/iio/adc/xilinx-ams.c
index 8343c5f74121..a55396c1f8b2 100644
--- a/drivers/iio/adc/xilinx-ams.c
+++ b/drivers/iio/adc/xilinx-ams.c
@@ -12,6 +12,7 @@
 #include <linux/bitfield.h>
 #include <linux/clk.h>
 #include <linux/delay.h>
+#include <linux/devm-helpers.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/iopoll.h>
@@ -91,8 +92,8 @@
 
 #define AMS_CONF1_SEQ_MASK		GENMASK(15, 12)
 #define AMS_CONF1_SEQ_DEFAULT		FIELD_PREP(AMS_CONF1_SEQ_MASK, 0)
-#define AMS_CONF1_SEQ_CONTINUOUS	FIELD_PREP(AMS_CONF1_SEQ_MASK, 1)
-#define AMS_CONF1_SEQ_SINGLE_CHANNEL	FIELD_PREP(AMS_CONF1_SEQ_MASK, 2)
+#define AMS_CONF1_SEQ_CONTINUOUS	FIELD_PREP(AMS_CONF1_SEQ_MASK, 2)
+#define AMS_CONF1_SEQ_SINGLE_CHANNEL	FIELD_PREP(AMS_CONF1_SEQ_MASK, 3)
 
 #define AMS_REG_SEQ0_MASK		GENMASK(15, 0)
 #define AMS_REG_SEQ2_MASK		GENMASK(21, 16)
@@ -530,14 +531,18 @@ static int ams_enable_single_channel(struct ams *ams, unsigned int offset)
 		return -EINVAL;
 	}
 
-	/* set single channel, sequencer off mode */
+	/* put sysmon in a soft reset to change the sequence */
 	ams_ps_update_reg(ams, AMS_REG_CONFIG1, AMS_CONF1_SEQ_MASK,
-			  AMS_CONF1_SEQ_SINGLE_CHANNEL);
+			  AMS_CONF1_SEQ_DEFAULT);
 
 	/* write the channel number */
 	ams_ps_update_reg(ams, AMS_REG_CONFIG0, AMS_CONF0_CHANNEL_NUM_MASK,
 			  channel_num);
 
+	/* set single channel, sequencer off mode */
+	ams_ps_update_reg(ams, AMS_REG_CONFIG1, AMS_CONF1_SEQ_MASK,
+			  AMS_CONF1_SEQ_SINGLE_CHANNEL);
+
 	return 0;
 }
 
@@ -551,6 +556,8 @@ static int ams_read_vcc_reg(struct ams *ams, unsigned int offset, u32 *data)
 	if (ret)
 		return ret;
 
+	/* clear end-of-conversion flag, wait for next conversion to complete */
+	writel(expect, ams->base + AMS_ISR_1);
 	ret = readl_poll_timeout(ams->base + AMS_ISR_1, reg, (reg & expect),
 				 AMS_INIT_POLL_TIME_US, AMS_INIT_TIMEOUT_US);
 	if (ret)
@@ -1224,6 +1231,7 @@ static int ams_init_module(struct iio_dev *indio_dev,
 
 		/* add PS channels to iio device channels */
 		memcpy(channels, ams_ps_channels, sizeof(ams_ps_channels));
+		num_channels = ARRAY_SIZE(ams_ps_channels);
 	} else if (fwnode_property_match_string(fwnode, "compatible",
 						"xlnx,zynqmp-ams-pl") == 0) {
 		ams->pl_base = fwnode_iomap(fwnode, 0);
@@ -1348,11 +1356,6 @@ static void ams_clk_disable_unprepare(void *data)
 	clk_disable_unprepare(data);
 }
 
-static void ams_cancel_delayed_work(void *data)
-{
-	cancel_delayed_work(data);
-}
-
 static int ams_probe(struct platform_device *pdev)
 {
 	struct iio_dev *indio_dev;
@@ -1389,9 +1392,8 @@ static int ams_probe(struct platform_device *pdev)
 	if (ret < 0)
 		return ret;
 
-	INIT_DELAYED_WORK(&ams->ams_unmask_work, ams_unmask_worker);
-	ret = devm_add_action_or_reset(&pdev->dev, ams_cancel_delayed_work,
-				       &ams->ams_unmask_work);
+	ret = devm_delayed_work_autocancel(&pdev->dev, &ams->ams_unmask_work,
+					   ams_unmask_worker);
 	if (ret < 0)
 		return ret;
 
diff --git a/drivers/iio/afe/iio-rescale.c b/drivers/iio/afe/iio-rescale.c
index 774eb3044edd..7e511293d6d1 100644
--- a/drivers/iio/afe/iio-rescale.c
+++ b/drivers/iio/afe/iio-rescale.c
@@ -3,43 +3,152 @@
  * IIO rescale driver
  *
  * Copyright (C) 2018 Axentia Technologies AB
+ * Copyright (C) 2022 Liam Beguin <liambeguin@gmail.com>
  *
  * Author: Peter Rosin <peda@axentia.se>
  */
 
 #include <linux/err.h>
 #include <linux/gcd.h>
-#include <linux/iio/consumer.h>
-#include <linux/iio/iio.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/property.h>
 
-struct rescale;
+#include <linux/iio/afe/rescale.h>
+#include <linux/iio/consumer.h>
+#include <linux/iio/iio.h>
 
-struct rescale_cfg {
-	enum iio_chan_type type;
-	int (*props)(struct device *dev, struct rescale *rescale);
-};
+int rescale_process_scale(struct rescale *rescale, int scale_type,
+			  int *val, int *val2)
+{
+	s64 tmp;
+	int _val, _val2;
+	s32 rem, rem2;
+	u32 mult;
+	u32 neg;
+
+	switch (scale_type) {
+	case IIO_VAL_INT:
+		*val *= rescale->numerator;
+		if (rescale->denominator == 1)
+			return scale_type;
+		*val2 = rescale->denominator;
+		return IIO_VAL_FRACTIONAL;
+	case IIO_VAL_FRACTIONAL:
+		/*
+		 * When the product of both scales doesn't overflow, avoid
+		 * potential accuracy loss (for in kernel consumers) by
+		 * keeping a fractional representation.
+		 */
+		if (!check_mul_overflow(*val, rescale->numerator, &_val) &&
+		    !check_mul_overflow(*val2, rescale->denominator, &_val2)) {
+			*val = _val;
+			*val2 = _val2;
+			return IIO_VAL_FRACTIONAL;
+		}
+		fallthrough;
+	case IIO_VAL_FRACTIONAL_LOG2:
+		tmp = (s64)*val * 1000000000LL;
+		tmp = div_s64(tmp, rescale->denominator);
+		tmp *= rescale->numerator;
 
-struct rescale {
-	const struct rescale_cfg *cfg;
-	struct iio_channel *source;
-	struct iio_chan_spec chan;
-	struct iio_chan_spec_ext_info *ext_info;
-	bool chan_processed;
-	s32 numerator;
-	s32 denominator;
-};
+		tmp = div_s64_rem(tmp, 1000000000LL, &rem);
+		*val = tmp;
+
+		if (!rem)
+			return scale_type;
+
+		if (scale_type == IIO_VAL_FRACTIONAL)
+			tmp = *val2;
+		else
+			tmp = ULL(1) << *val2;
+
+		rem2 = *val % (int)tmp;
+		*val = *val / (int)tmp;
+
+		*val2 = rem / (int)tmp;
+		if (rem2)
+			*val2 += div_s64((s64)rem2 * 1000000000LL, tmp);
+
+		return IIO_VAL_INT_PLUS_NANO;
+	case IIO_VAL_INT_PLUS_NANO:
+	case IIO_VAL_INT_PLUS_MICRO:
+		mult = scale_type == IIO_VAL_INT_PLUS_NANO ? 1000000000L : 1000000L;
+
+		/*
+		 * For IIO_VAL_INT_PLUS_{MICRO,NANO} scale types if either *val
+		 * OR *val2 is negative the schan scale is negative, i.e.
+		 * *val = 1 and *val2 = -0.5 yields -1.5 not -0.5.
+		 */
+		neg = *val < 0 || *val2 < 0;
+
+		tmp = (s64)abs(*val) * abs(rescale->numerator);
+		*val = div_s64_rem(tmp, abs(rescale->denominator), &rem);
+
+		tmp = (s64)rem * mult + (s64)abs(*val2) * abs(rescale->numerator);
+		tmp = div_s64(tmp, abs(rescale->denominator));
+
+		*val += div_s64_rem(tmp, mult, val2);
+
+		/*
+		 * If only one of the rescaler elements or the schan scale is
+		 * negative, the combined scale is negative.
+		 */
+		if (neg ^ ((rescale->numerator < 0) ^ (rescale->denominator < 0))) {
+			if (*val)
+				*val = -*val;
+			else
+				*val2 = -*val2;
+		}
+
+		return scale_type;
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+int rescale_process_offset(struct rescale *rescale, int scale_type,
+			   int scale, int scale2, int schan_off,
+			   int *val, int *val2)
+{
+	s64 tmp, tmp2;
+
+	switch (scale_type) {
+	case IIO_VAL_FRACTIONAL:
+		tmp = (s64)rescale->offset * scale2;
+		*val = div_s64(tmp, scale) + schan_off;
+		return IIO_VAL_INT;
+	case IIO_VAL_INT:
+		*val = div_s64(rescale->offset, scale) + schan_off;
+		return IIO_VAL_INT;
+	case IIO_VAL_FRACTIONAL_LOG2:
+		tmp = (s64)rescale->offset * (1 << scale2);
+		*val = div_s64(tmp, scale) + schan_off;
+		return IIO_VAL_INT;
+	case IIO_VAL_INT_PLUS_NANO:
+		tmp = (s64)rescale->offset * 1000000000LL;
+		tmp2 = ((s64)scale * 1000000000LL) + scale2;
+		*val = div64_s64(tmp, tmp2) + schan_off;
+		return IIO_VAL_INT;
+	case IIO_VAL_INT_PLUS_MICRO:
+		tmp = (s64)rescale->offset * 1000000LL;
+		tmp2 = ((s64)scale * 1000000LL) + scale2;
+		*val = div64_s64(tmp, tmp2) + schan_off;
+		return IIO_VAL_INT;
+	default:
+		return -EOPNOTSUPP;
+	}
+}
 
 static int rescale_read_raw(struct iio_dev *indio_dev,
 			    struct iio_chan_spec const *chan,
 			    int *val, int *val2, long mask)
 {
 	struct rescale *rescale = iio_priv(indio_dev);
-	unsigned long long tmp;
+	int scale, scale2;
+	int schan_off = 0;
 	int ret;
 
 	switch (mask) {
@@ -65,27 +174,48 @@ static int rescale_read_raw(struct iio_dev *indio_dev,
 		} else {
 			ret = iio_read_channel_scale(rescale->source, val, val2);
 		}
-		switch (ret) {
-		case IIO_VAL_FRACTIONAL:
-			*val *= rescale->numerator;
-			*val2 *= rescale->denominator;
-			return ret;
-		case IIO_VAL_INT:
-			*val *= rescale->numerator;
-			if (rescale->denominator == 1)
-				return ret;
-			*val2 = rescale->denominator;
-			return IIO_VAL_FRACTIONAL;
-		case IIO_VAL_FRACTIONAL_LOG2:
-			tmp = *val * 1000000000LL;
-			do_div(tmp, rescale->denominator);
-			tmp *= rescale->numerator;
-			do_div(tmp, 1000000000LL);
-			*val = tmp;
-			return ret;
-		default:
-			return -EOPNOTSUPP;
+		return rescale_process_scale(rescale, ret, val, val2);
+	case IIO_CHAN_INFO_OFFSET:
+		/*
+		 * Processed channels are scaled 1-to-1 and source offset is
+		 * already taken into account.
+		 *
+		 * In other cases, real world measurement are expressed as:
+		 *
+		 *	schan_scale * (raw + schan_offset)
+		 *
+		 * Given that the rescaler parameters are applied recursively:
+		 *
+		 *	rescaler_scale * (schan_scale * (raw + schan_offset) +
+		 *		rescaler_offset)
+		 *
+		 * Or,
+		 *
+		 *	(rescaler_scale * schan_scale) * (raw +
+		 *		(schan_offset +	rescaler_offset / schan_scale)
+		 *
+		 * Thus, reusing the original expression the parameters exposed
+		 * to userspace are:
+		 *
+		 *	scale = schan_scale * rescaler_scale
+		 *	offset = schan_offset + rescaler_offset / schan_scale
+		 */
+		if (rescale->chan_processed) {
+			*val = rescale->offset;
+			return IIO_VAL_INT;
 		}
+
+		if (iio_channel_has_info(rescale->source->channel,
+					 IIO_CHAN_INFO_OFFSET)) {
+			ret = iio_read_channel_offset(rescale->source,
+						      &schan_off, NULL);
+			if (ret != IIO_VAL_INT)
+				return ret < 0 ? ret : -EOPNOTSUPP;
+		}
+
+		ret = iio_read_channel_scale(rescale->source, &scale, &scale2);
+		return rescale_process_offset(rescale, ret, scale, scale2,
+					      schan_off, val, val2);
 	default:
 		return -EINVAL;
 	}
@@ -162,6 +292,9 @@ static int rescale_configure_channel(struct device *dev,
 	chan->info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
 		BIT(IIO_CHAN_INFO_SCALE);
 
+	if (rescale->offset)
+		chan->info_mask_separate |= BIT(IIO_CHAN_INFO_OFFSET);
+
 	/*
 	 * Using .read_avail() is fringe to begin with and makes no sense
 	 * whatsoever for processed channels, so we make sure that this cannot
@@ -261,10 +394,78 @@ static int rescale_voltage_divider_props(struct device *dev,
 	return 0;
 }
 
+static int rescale_temp_sense_rtd_props(struct device *dev,
+					struct rescale *rescale)
+{
+	u32 factor;
+	u32 alpha;
+	u32 iexc;
+	u32 tmp;
+	int ret;
+	u32 r0;
+
+	ret = device_property_read_u32(dev, "excitation-current-microamp",
+				       &iexc);
+	if (ret) {
+		dev_err(dev, "failed to read excitation-current-microamp: %d\n",
+			ret);
+		return ret;
+	}
+
+	ret = device_property_read_u32(dev, "alpha-ppm-per-celsius", &alpha);
+	if (ret) {
+		dev_err(dev, "failed to read alpha-ppm-per-celsius: %d\n",
+			ret);
+		return ret;
+	}
+
+	ret = device_property_read_u32(dev, "r-naught-ohms", &r0);
+	if (ret) {
+		dev_err(dev, "failed to read r-naught-ohms: %d\n", ret);
+		return ret;
+	}
+
+	tmp = r0 * iexc * alpha / 1000000;
+	factor = gcd(tmp, 1000000);
+	rescale->numerator = 1000000 / factor;
+	rescale->denominator = tmp / factor;
+
+	rescale->offset = -1 * ((r0 * iexc) / 1000);
+
+	return 0;
+}
+
+static int rescale_temp_transducer_props(struct device *dev,
+					 struct rescale *rescale)
+{
+	s32 offset = 0;
+	s32 sense = 1;
+	s32 alpha;
+	int ret;
+
+	device_property_read_u32(dev, "sense-offset-millicelsius", &offset);
+	device_property_read_u32(dev, "sense-resistor-ohms", &sense);
+	ret = device_property_read_u32(dev, "alpha-ppm-per-celsius", &alpha);
+	if (ret) {
+		dev_err(dev, "failed to read alpha-ppm-per-celsius: %d\n", ret);
+		return ret;
+	}
+
+	rescale->numerator = 1000000;
+	rescale->denominator = alpha * sense;
+
+	rescale->offset = div_s64((s64)offset * rescale->denominator,
+				  rescale->numerator);
+
+	return 0;
+}
+
 enum rescale_variant {
 	CURRENT_SENSE_AMPLIFIER,
 	CURRENT_SENSE_SHUNT,
 	VOLTAGE_DIVIDER,
+	TEMP_SENSE_RTD,
+	TEMP_TRANSDUCER,
 };
 
 static const struct rescale_cfg rescale_cfg[] = {
@@ -280,6 +481,14 @@ static const struct rescale_cfg rescale_cfg[] = {
 		.type = IIO_VOLTAGE,
 		.props = rescale_voltage_divider_props,
 	},
+	[TEMP_SENSE_RTD] = {
+		.type = IIO_TEMP,
+		.props = rescale_temp_sense_rtd_props,
+	},
+	[TEMP_TRANSDUCER] = {
+		.type = IIO_TEMP,
+		.props = rescale_temp_transducer_props,
+	},
 };
 
 static const struct of_device_id rescale_match[] = {
@@ -289,6 +498,10 @@ static const struct of_device_id rescale_match[] = {
 	  .data = &rescale_cfg[CURRENT_SENSE_SHUNT], },
 	{ .compatible = "voltage-divider",
 	  .data = &rescale_cfg[VOLTAGE_DIVIDER], },
+	{ .compatible = "temperature-sense-rtd",
+	  .data = &rescale_cfg[TEMP_SENSE_RTD], },
+	{ .compatible = "temperature-transducer",
+	  .data = &rescale_cfg[TEMP_TRANSDUCER], },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, rescale_match);
@@ -326,6 +539,7 @@ static int rescale_probe(struct platform_device *pdev)
 	rescale->cfg = of_device_get_match_data(dev);
 	rescale->numerator = 1;
 	rescale->denominator = 1;
+	rescale->offset = 0;
 
 	ret = rescale->cfg->props(dev, rescale);
 	if (ret)
diff --git a/drivers/iio/amplifiers/Kconfig b/drivers/iio/amplifiers/Kconfig
index 5eb1357a9c78..f217a2a1e958 100644
--- a/drivers/iio/amplifiers/Kconfig
+++ b/drivers/iio/amplifiers/Kconfig
@@ -23,6 +23,17 @@ config AD8366
 	  To compile this driver as a module, choose M here: the
 	  module will be called ad8366.
 
+config ADA4250
+	tristate "Analog Devices ADA4250 Instrumentation Amplifier"
+	depends on SPI
+	help
+	  Say yes here to build support for Analog Devices ADA4250
+	  SPI Amplifier's support. The driver provides direct access via
+	  sysfs.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called ada4250.
+
 config HMC425
 	tristate "Analog Devices HMC425A and similar GPIO Gain Amplifiers"
 	depends on GPIOLIB
diff --git a/drivers/iio/amplifiers/Makefile b/drivers/iio/amplifiers/Makefile
index cb551d82f56b..2126331129cf 100644
--- a/drivers/iio/amplifiers/Makefile
+++ b/drivers/iio/amplifiers/Makefile
@@ -5,4 +5,5 @@
 
 # When adding new entries keep the list in alphabetical order
 obj-$(CONFIG_AD8366) += ad8366.o
+obj-$(CONFIG_ADA4250) += ada4250.o
 obj-$(CONFIG_HMC425) += hmc425a.o
diff --git a/drivers/iio/amplifiers/ada4250.c b/drivers/iio/amplifiers/ada4250.c
new file mode 100644
index 000000000000..4b32d350dc5d
--- /dev/null
+++ b/drivers/iio/amplifiers/ada4250.c
@@ -0,0 +1,403 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * ADA4250 driver
+ *
+ * Copyright 2022 Analog Devices Inc.
+ */
+
+#include <linux/bitfield.h>
+#include <linux/bits.h>
+#include <linux/device.h>
+#include <linux/iio/iio.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/spi/spi.h>
+
+#include <asm/unaligned.h>
+
+/* ADA4250 Register Map */
+#define ADA4250_REG_GAIN_MUX        0x00
+#define ADA4250_REG_REFBUF_EN       0x01
+#define ADA4250_REG_RESET           0x02
+#define ADA4250_REG_SNSR_CAL_VAL    0x04
+#define ADA4250_REG_SNSR_CAL_CNFG   0x05
+#define ADA4250_REG_DIE_REV         0x18
+#define ADA4250_REG_CHIP_ID         0x19
+
+/* ADA4250_REG_GAIN_MUX Map */
+#define ADA4250_GAIN_MUX_MSK        GENMASK(2, 0)
+
+/* ADA4250_REG_REFBUF Map */
+#define ADA4250_REFBUF_MSK          BIT(0)
+
+/* ADA4250_REG_RESET Map */
+#define ADA4250_RESET_MSK           BIT(0)
+
+/* ADA4250_REG_SNSR_CAL_VAL Map */
+#define ADA4250_CAL_CFG_BIAS_MSK    GENMASK(7, 0)
+
+/* ADA4250_REG_SNSR_CAL_CNFG Bit Definition */
+#define ADA4250_BIAS_SET_MSK        GENMASK(3, 2)
+#define ADA4250_RANGE_SET_MSK       GENMASK(1, 0)
+
+/* Miscellaneous definitions */
+#define ADA4250_CHIP_ID             0x4250
+#define ADA4250_RANGE1              0
+#define	ADA4250_RANGE4              3
+
+/* ADA4250 current bias set */
+enum ada4250_current_bias {
+	ADA4250_BIAS_DISABLED,
+	ADA4250_BIAS_BANDGAP,
+	ADA4250_BIAS_AVDD,
+};
+
+struct ada4250_state {
+	struct spi_device	*spi;
+	struct regmap		*regmap;
+	struct regulator	*reg;
+	/* Protect against concurrent accesses to the device and data content */
+	struct mutex		lock;
+	u8			bias;
+	u8			gain;
+	int			offset_uv;
+	bool			refbuf_en;
+};
+
+/* ADA4250 Current Bias Source Settings: Disabled, Bandgap Reference, AVDD */
+static const int calibbias_table[] = {0, 1, 2};
+
+/* ADA4250 Gain (V/V) values: 1, 2, 4, 8, 16, 32, 64, 128 */
+static const int hwgain_table[] = {1, 2, 4, 8, 16, 32, 64, 128};
+
+static const struct regmap_config ada4250_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.read_flag_mask = BIT(7),
+	.max_register = 0x1A,
+};
+
+static int ada4250_set_offset_uv(struct iio_dev *indio_dev,
+				 const struct iio_chan_spec *chan,
+				 int offset_uv)
+{
+	struct ada4250_state *st = iio_priv(indio_dev);
+
+	int i, ret, x[8], max_vos, min_vos, voltage_v, vlsb = 0;
+	u8 offset_raw, range = ADA4250_RANGE1;
+	u32 lsb_coeff[6] = {1333, 2301, 4283, 8289, 16311, 31599};
+
+	if (st->bias == 0 || st->bias == 3)
+		return -EINVAL;
+
+	voltage_v = regulator_get_voltage(st->reg);
+	voltage_v = DIV_ROUND_CLOSEST(voltage_v, 1000000);
+
+	if (st->bias == ADA4250_BIAS_AVDD)
+		x[0] = voltage_v;
+	else
+		x[0] = 5;
+
+	x[1] = 126 * (x[0] - 1);
+
+	for (i = 0; i < 6; i++)
+		x[i + 2] = DIV_ROUND_CLOSEST(x[1] * 1000, lsb_coeff[i]);
+
+	if (st->gain == 0)
+		return -EINVAL;
+
+	/*
+	 * Compute Range and Voltage per LSB for the Sensor Offset Calibration
+	 * Example of computation for Range 1 and Range 2 (Curren Bias Set = AVDD):
+	 *                     Range 1                            Range 2
+	 *   Gain   | Max Vos(mV) |   LSB(mV)        |  Max Vos(mV)  | LSB(mV) |
+	 *    2     |    X1*127   | X1=0.126(AVDD-1) |   X1*3*127    |  X1*3   |
+	 *    4     |    X2*127   | X2=X1/1.3333     |   X2*3*127    |  X2*3   |
+	 *    8     |    X3*127   | X3=X1/2.301      |   X3*3*127    |  X3*3   |
+	 *    16    |    X4*127   | X4=X1/4.283      |   X4*3*127    |  X4*3   |
+	 *    32    |    X5*127   | X5=X1/8.289      |   X5*3*127    |  X5*3   |
+	 *    64    |    X6*127   | X6=X1/16.311     |   X6*3*127    |  X6*3   |
+	 *    128   |    X7*127   | X7=X1/31.599     |   X7*3*127    |  X7*3   |
+	 */
+	for (i = ADA4250_RANGE1; i <= ADA4250_RANGE4; i++) {
+		max_vos = x[st->gain] *  127 * ((1 << (i + 1)) - 1);
+		min_vos = -1 * max_vos;
+		if (offset_uv > min_vos && offset_uv < max_vos) {
+			range = i;
+			vlsb = x[st->gain] * ((1 << (i + 1)) - 1);
+			break;
+		}
+	}
+
+	if (vlsb <= 0)
+		return -EINVAL;
+
+	offset_raw = DIV_ROUND_CLOSEST(abs(offset_uv), vlsb);
+
+	mutex_lock(&st->lock);
+	ret = regmap_update_bits(st->regmap, ADA4250_REG_SNSR_CAL_CNFG,
+				 ADA4250_RANGE_SET_MSK,
+				 FIELD_PREP(ADA4250_RANGE_SET_MSK, range));
+	if (ret)
+		goto exit;
+
+	st->offset_uv = offset_raw * vlsb;
+
+	/*
+	 * To set the offset calibration value, use bits [6:0] and bit 7 as the
+	 * polarity bit (set to "0" for a negative offset and "1" for a positive
+	 * offset).
+	 */
+	if (offset_uv < 0) {
+		offset_raw |= BIT(7);
+		st->offset_uv *= (-1);
+	}
+
+	ret = regmap_write(st->regmap, ADA4250_REG_SNSR_CAL_VAL, offset_raw);
+
+exit:
+	mutex_unlock(&st->lock);
+
+	return ret;
+}
+
+static int ada4250_read_raw(struct iio_dev *indio_dev,
+			    struct iio_chan_spec const *chan,
+			    int *val, int *val2, long info)
+{
+	struct ada4250_state *st = iio_priv(indio_dev);
+	int ret;
+
+	switch (info) {
+	case IIO_CHAN_INFO_HARDWAREGAIN:
+		ret = regmap_read(st->regmap, ADA4250_REG_GAIN_MUX, val);
+		if (ret)
+			return ret;
+
+		*val = BIT(*val);
+
+		return IIO_VAL_INT;
+	case IIO_CHAN_INFO_OFFSET:
+		*val = st->offset_uv;
+
+		return IIO_VAL_INT;
+	case IIO_CHAN_INFO_CALIBBIAS:
+		ret = regmap_read(st->regmap, ADA4250_REG_SNSR_CAL_CNFG, val);
+		if (ret)
+			return ret;
+
+		*val = FIELD_GET(ADA4250_BIAS_SET_MSK, *val);
+
+		return IIO_VAL_INT;
+	case IIO_CHAN_INFO_SCALE:
+		*val = 1;
+		*val2 = 1000000;
+
+		return IIO_VAL_FRACTIONAL;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int ada4250_write_raw(struct iio_dev *indio_dev,
+			     struct iio_chan_spec const *chan,
+			     int val, int val2, long info)
+{
+	struct ada4250_state *st = iio_priv(indio_dev);
+	int ret;
+
+	switch (info) {
+	case IIO_CHAN_INFO_HARDWAREGAIN:
+		ret = regmap_write(st->regmap, ADA4250_REG_GAIN_MUX,
+				   FIELD_PREP(ADA4250_GAIN_MUX_MSK, ilog2(val)));
+		if (ret)
+			return ret;
+
+		st->gain = ilog2(val);
+
+		return ret;
+	case IIO_CHAN_INFO_OFFSET:
+		return ada4250_set_offset_uv(indio_dev, chan, val);
+	case IIO_CHAN_INFO_CALIBBIAS:
+		ret = regmap_update_bits(st->regmap, ADA4250_REG_SNSR_CAL_CNFG,
+					 ADA4250_BIAS_SET_MSK,
+					 FIELD_PREP(ADA4250_BIAS_SET_MSK, val));
+		if (ret)
+			return ret;
+
+		st->bias = val;
+
+		return ret;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int ada4250_read_avail(struct iio_dev *indio_dev,
+			      struct iio_chan_spec const *chan,
+			      const int **vals, int *type, int *length,
+			      long mask)
+{
+	switch (mask) {
+	case IIO_CHAN_INFO_CALIBBIAS:
+		*vals = calibbias_table;
+		*type = IIO_VAL_INT;
+		*length = ARRAY_SIZE(calibbias_table);
+
+		return IIO_AVAIL_LIST;
+	case IIO_CHAN_INFO_HARDWAREGAIN:
+		*vals = hwgain_table;
+		*type = IIO_VAL_INT;
+		*length = ARRAY_SIZE(hwgain_table);
+
+		return IIO_AVAIL_LIST;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int ada4250_reg_access(struct iio_dev *indio_dev,
+			      unsigned int reg,
+			      unsigned int write_val,
+			      unsigned int *read_val)
+{
+	struct ada4250_state *st = iio_priv(indio_dev);
+
+	if (read_val)
+		return regmap_read(st->regmap, reg, read_val);
+	else
+		return regmap_write(st->regmap, reg, write_val);
+}
+
+static const struct iio_info ada4250_info = {
+	.read_raw = ada4250_read_raw,
+	.write_raw = ada4250_write_raw,
+	.read_avail = &ada4250_read_avail,
+	.debugfs_reg_access = &ada4250_reg_access,
+};
+
+static const struct iio_chan_spec ada4250_channels[] = {
+	{
+		.type = IIO_VOLTAGE,
+		.output = 1,
+		.indexed = 1,
+		.channel = 0,
+		.info_mask_separate = BIT(IIO_CHAN_INFO_HARDWAREGAIN) |
+				BIT(IIO_CHAN_INFO_OFFSET) |
+				BIT(IIO_CHAN_INFO_CALIBBIAS) |
+				BIT(IIO_CHAN_INFO_SCALE),
+		.info_mask_separate_available = BIT(IIO_CHAN_INFO_CALIBBIAS) |
+						BIT(IIO_CHAN_INFO_HARDWAREGAIN),
+	}
+};
+
+static void ada4250_reg_disable(void *data)
+{
+	regulator_disable(data);
+}
+
+static int ada4250_init(struct ada4250_state *st)
+{
+	int ret;
+	u16 chip_id;
+	u8 data[2] __aligned(8) = {};
+	struct spi_device *spi = st->spi;
+
+	st->refbuf_en = device_property_read_bool(&spi->dev, "adi,refbuf-enable");
+
+	st->reg = devm_regulator_get(&spi->dev, "avdd");
+	if (IS_ERR(st->reg))
+		return dev_err_probe(&spi->dev, PTR_ERR(st->reg),
+				     "failed to get the AVDD voltage\n");
+
+	ret = regulator_enable(st->reg);
+	if (ret) {
+		dev_err(&spi->dev, "Failed to enable specified AVDD supply\n");
+		return ret;
+	}
+
+	ret = devm_add_action_or_reset(&spi->dev, ada4250_reg_disable, st->reg);
+	if (ret)
+		return ret;
+
+	ret = regmap_write(st->regmap, ADA4250_REG_RESET,
+			   FIELD_PREP(ADA4250_RESET_MSK, 1));
+	if (ret)
+		return ret;
+
+	ret = regmap_bulk_read(st->regmap, ADA4250_REG_CHIP_ID, data, 2);
+	if (ret)
+		return ret;
+
+	chip_id = get_unaligned_le16(data);
+
+	if (chip_id != ADA4250_CHIP_ID) {
+		dev_err(&spi->dev, "Invalid chip ID.\n");
+		return -EINVAL;
+	}
+
+	return regmap_write(st->regmap, ADA4250_REG_REFBUF_EN,
+			    FIELD_PREP(ADA4250_REFBUF_MSK, st->refbuf_en));
+}
+
+static int ada4250_probe(struct spi_device *spi)
+{
+	struct iio_dev *indio_dev;
+	struct regmap *regmap;
+	struct ada4250_state *st;
+	int ret;
+
+	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+	if (!indio_dev)
+		return -ENOMEM;
+
+	regmap = devm_regmap_init_spi(spi, &ada4250_regmap_config);
+	if (IS_ERR(regmap))
+		return PTR_ERR(regmap);
+
+	st = iio_priv(indio_dev);
+	st->regmap = regmap;
+	st->spi = spi;
+
+	indio_dev->info = &ada4250_info;
+	indio_dev->name = "ada4250";
+	indio_dev->channels = ada4250_channels;
+	indio_dev->num_channels = ARRAY_SIZE(ada4250_channels);
+
+	mutex_init(&st->lock);
+
+	ret = ada4250_init(st);
+	if (ret) {
+		dev_err(&spi->dev, "ADA4250 init failed\n");
+		return ret;
+	}
+
+	return devm_iio_device_register(&spi->dev, indio_dev);
+}
+
+static const struct spi_device_id ada4250_id[] = {
+	{ "ada4250", 0 },
+	{}
+};
+MODULE_DEVICE_TABLE(spi, ada4250_id);
+
+static const struct of_device_id ada4250_of_match[] = {
+	{ .compatible = "adi,ada4250" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, ada4250_of_match);
+
+static struct spi_driver ada4250_driver = {
+	.driver = {
+			.name = "ada4250",
+			.of_match_table = ada4250_of_match,
+		},
+	.probe = ada4250_probe,
+	.id_table = ada4250_id,
+};
+module_spi_driver(ada4250_driver);
+
+MODULE_AUTHOR("Antoniu Miclaus <antoniu.miclaus@analog.com");
+MODULE_DESCRIPTION("Analog Devices ADA4250");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/amplifiers/hmc425a.c b/drivers/iio/amplifiers/hmc425a.c
index 16c0a77f6a1c..ce80e0c916f4 100644
--- a/drivers/iio/amplifiers/hmc425a.c
+++ b/drivers/iio/amplifiers/hmc425a.c
@@ -11,10 +11,10 @@
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
 #include <linux/kernel.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
-#include <linux/of_device.h>
-#include <linux/of_platform.h>
 #include <linux/platform_device.h>
+#include <linux/property.h>
 #include <linux/slab.h>
 #include <linux/regulator/consumer.h>
 #include <linux/sysfs.h>
@@ -192,7 +192,7 @@ static int hmc425a_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	st = iio_priv(indio_dev);
-	st->type = (uintptr_t)of_device_get_match_data(&pdev->dev);
+	st->type = (uintptr_t)device_get_match_data(&pdev->dev);
 
 	st->chip_info = &hmc425a_chip_info_tbl[st->type];
 	indio_dev->num_channels = st->chip_info->num_channels;
diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
index f8ce26a24c57..f744b62a636a 100644
--- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c
+++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
@@ -136,7 +136,7 @@ static ssize_t iio_dmaengine_buffer_get_length_align(struct device *dev,
 	struct dmaengine_buffer *dmaengine_buffer =
 		iio_buffer_to_dmaengine_buffer(buffer);
 
-	return sprintf(buf, "%zu\n", dmaengine_buffer->align);
+	return sysfs_emit(buf, "%zu\n", dmaengine_buffer->align);
 }
 
 static IIO_DEVICE_ATTR(length_align_bytes, 0444,
diff --git a/drivers/iio/buffer/industrialio-hw-consumer.c b/drivers/iio/buffer/industrialio-hw-consumer.c
index 87d9aabd20c7..fb58f599a80b 100644
--- a/drivers/iio/buffer/industrialio-hw-consumer.c
+++ b/drivers/iio/buffer/industrialio-hw-consumer.c
@@ -52,7 +52,6 @@ static const struct iio_buffer_access_funcs iio_hw_buf_access = {
 static struct hw_consumer_buffer *iio_hw_consumer_get_buffer(
 	struct iio_hw_consumer *hwc, struct iio_dev *indio_dev)
 {
-	size_t mask_size = BITS_TO_LONGS(indio_dev->masklength) * sizeof(long);
 	struct hw_consumer_buffer *buf;
 
 	list_for_each_entry(buf, &hwc->buffers, head) {
@@ -60,7 +59,8 @@ static struct hw_consumer_buffer *iio_hw_consumer_get_buffer(
 			return buf;
 	}
 
-	buf = kzalloc(sizeof(*buf) + mask_size, GFP_KERNEL);
+	buf = kzalloc(struct_size(buf, scan_mask, BITS_TO_LONGS(indio_dev->masklength)),
+		      GFP_KERNEL);
 	if (!buf)
 		return NULL;
 
diff --git a/drivers/iio/chemical/atlas-ezo-sensor.c b/drivers/iio/chemical/atlas-ezo-sensor.c
index b1bacfe3c3ce..bbcf5a59c1f4 100644
--- a/drivers/iio/chemical/atlas-ezo-sensor.c
+++ b/drivers/iio/chemical/atlas-ezo-sensor.c
@@ -6,13 +6,15 @@
  * Author: Matt Ranostay <matt.ranostay@konsulko.com>
  */
 
-#include <linux/module.h>
 #include <linux/init.h>
 #include <linux/delay.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
 #include <linux/mutex.h>
+#include <linux/property.h>
 #include <linux/err.h>
 #include <linux/i2c.h>
-#include <linux/of_device.h>
+
 #include <linux/iio/iio.h>
 
 #define ATLAS_EZO_DRV_NAME		"atlas-ezo-sensor"
@@ -33,7 +35,7 @@ struct atlas_ezo_device {
 
 struct atlas_ezo_data {
 	struct i2c_client *client;
-	struct atlas_ezo_device *chip;
+	const struct atlas_ezo_device *chip;
 
 	/* lock to avoid multiple concurrent read calls */
 	struct mutex lock;
@@ -184,17 +186,17 @@ static const struct iio_info atlas_info = {
 };
 
 static const struct i2c_device_id atlas_ezo_id[] = {
-	{ "atlas-co2-ezo", ATLAS_CO2_EZO },
-	{ "atlas-o2-ezo", ATLAS_O2_EZO },
-	{ "atlas-hum-ezo", ATLAS_HUM_EZO },
+	{ "atlas-co2-ezo", (kernel_ulong_t)&atlas_ezo_devices[ATLAS_CO2_EZO] },
+	{ "atlas-o2-ezo", (kernel_ulong_t)&atlas_ezo_devices[ATLAS_O2_EZO] },
+	{ "atlas-hum-ezo", (kernel_ulong_t)&atlas_ezo_devices[ATLAS_HUM_EZO] },
 	{}
 };
 MODULE_DEVICE_TABLE(i2c, atlas_ezo_id);
 
 static const struct of_device_id atlas_ezo_dt_ids[] = {
-	{ .compatible = "atlas,co2-ezo", .data = (void *)ATLAS_CO2_EZO, },
-	{ .compatible = "atlas,o2-ezo", .data = (void *)ATLAS_O2_EZO, },
-	{ .compatible = "atlas,hum-ezo", .data = (void *)ATLAS_HUM_EZO, },
+	{ .compatible = "atlas,co2-ezo", .data = &atlas_ezo_devices[ATLAS_CO2_EZO], },
+	{ .compatible = "atlas,o2-ezo", .data = &atlas_ezo_devices[ATLAS_O2_EZO], },
+	{ .compatible = "atlas,hum-ezo", .data = &atlas_ezo_devices[ATLAS_HUM_EZO], },
 	{}
 };
 MODULE_DEVICE_TABLE(of, atlas_ezo_dt_ids);
@@ -202,20 +204,20 @@ MODULE_DEVICE_TABLE(of, atlas_ezo_dt_ids);
 static int atlas_ezo_probe(struct i2c_client *client,
 		       const struct i2c_device_id *id)
 {
+	const struct atlas_ezo_device *chip;
 	struct atlas_ezo_data *data;
-	struct atlas_ezo_device *chip;
-	const struct of_device_id *of_id;
 	struct iio_dev *indio_dev;
 
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
 	if (!indio_dev)
 		return -ENOMEM;
 
-	of_id = of_match_device(atlas_ezo_dt_ids, &client->dev);
-	if (!of_id)
-		chip = &atlas_ezo_devices[id->driver_data];
+	if (dev_fwnode(&client->dev))
+		chip = device_get_match_data(&client->dev);
 	else
-		chip = &atlas_ezo_devices[(unsigned long)of_id->data];
+		chip = (const struct atlas_ezo_device *)id->driver_data;
+	if (!chip)
+		return -EINVAL;
 
 	indio_dev->info = &atlas_info;
 	indio_dev->name = ATLAS_EZO_DRV_NAME;
diff --git a/drivers/iio/chemical/atlas-sensor.c b/drivers/iio/chemical/atlas-sensor.c
index 04b44a327614..56dea9734c8d 100644
--- a/drivers/iio/chemical/atlas-sensor.c
+++ b/drivers/iio/chemical/atlas-sensor.c
@@ -589,11 +589,11 @@ static const struct iio_info atlas_info = {
 };
 
 static const struct i2c_device_id atlas_id[] = {
-	{ "atlas-ph-sm", ATLAS_PH_SM},
-	{ "atlas-ec-sm", ATLAS_EC_SM},
-	{ "atlas-orp-sm", ATLAS_ORP_SM},
-	{ "atlas-do-sm", ATLAS_DO_SM},
-	{ "atlas-rtd-sm", ATLAS_RTD_SM},
+	{ "atlas-ph-sm", ATLAS_PH_SM },
+	{ "atlas-ec-sm", ATLAS_EC_SM },
+	{ "atlas-orp-sm", ATLAS_ORP_SM },
+	{ "atlas-do-sm", ATLAS_DO_SM },
+	{ "atlas-rtd-sm", ATLAS_RTD_SM },
 	{}
 };
 MODULE_DEVICE_TABLE(i2c, atlas_id);
@@ -737,7 +737,6 @@ static int atlas_remove(struct i2c_client *client)
 	return atlas_set_powermode(data, 0);
 }
 
-#ifdef CONFIG_PM
 static int atlas_runtime_suspend(struct device *dev)
 {
 	struct atlas_data *data =
@@ -753,18 +752,16 @@ static int atlas_runtime_resume(struct device *dev)
 
 	return atlas_set_powermode(data, 1);
 }
-#endif
 
 static const struct dev_pm_ops atlas_pm_ops = {
-	SET_RUNTIME_PM_OPS(atlas_runtime_suspend,
-			   atlas_runtime_resume, NULL)
+	RUNTIME_PM_OPS(atlas_runtime_suspend, atlas_runtime_resume, NULL)
 };
 
 static struct i2c_driver atlas_driver = {
 	.driver = {
 		.name	= ATLAS_DRV_NAME,
 		.of_match_table	= atlas_dt_ids,
-		.pm	= &atlas_pm_ops,
+		.pm	= pm_ptr(&atlas_pm_ops),
 	},
 	.probe		= atlas_probe,
 	.remove		= atlas_remove,
diff --git a/drivers/iio/chemical/bme680_core.c b/drivers/iio/chemical/bme680_core.c
index bf23cc7eb99e..16ff7a98c9f0 100644
--- a/drivers/iio/chemical/bme680_core.c
+++ b/drivers/iio/chemical/bme680_core.c
@@ -81,7 +81,7 @@ const struct regmap_config bme680_regmap_config = {
 	.volatile_table = &bme680_volatile_table,
 	.cache_type = REGCACHE_RBTREE,
 };
-EXPORT_SYMBOL(bme680_regmap_config);
+EXPORT_SYMBOL_NS(bme680_regmap_config, IIO_BME680);
 
 static const struct iio_chan_spec bme680_channels[] = {
 	{
@@ -957,7 +957,7 @@ int bme680_core_probe(struct device *dev, struct regmap *regmap,
 
 	return devm_iio_device_register(dev, indio_dev);
 }
-EXPORT_SYMBOL_GPL(bme680_core_probe);
+EXPORT_SYMBOL_NS_GPL(bme680_core_probe, IIO_BME680);
 
 MODULE_AUTHOR("Himanshu Jha <himanshujha199640@gmail.com>");
 MODULE_DESCRIPTION("Bosch BME680 Driver");
diff --git a/drivers/iio/chemical/bme680_i2c.c b/drivers/iio/chemical/bme680_i2c.c
index 74cf89c82c0a..20f2c20b6b02 100644
--- a/drivers/iio/chemical/bme680_i2c.c
+++ b/drivers/iio/chemical/bme680_i2c.c
@@ -60,3 +60,4 @@ module_i2c_driver(bme680_i2c_driver);
 MODULE_AUTHOR("Himanshu Jha <himanshujha199640@gmail.com>");
 MODULE_DESCRIPTION("BME680 I2C driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_BME680);
diff --git a/drivers/iio/chemical/bme680_spi.c b/drivers/iio/chemical/bme680_spi.c
index cc579a7ac5ce..4404d42ae5ec 100644
--- a/drivers/iio/chemical/bme680_spi.c
+++ b/drivers/iio/chemical/bme680_spi.c
@@ -4,8 +4,8 @@
  *
  * Copyright (C) 2018 Himanshu Jha <himanshujha199640@gmail.com>
  */
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
-#include <linux/of.h>
 #include <linux/regmap.h>
 #include <linux/spi/spi.h>
 
@@ -163,3 +163,4 @@ module_spi_driver(bme680_spi_driver);
 MODULE_AUTHOR("Himanshu Jha <himanshujha199640@gmail.com>");
 MODULE_DESCRIPTION("Bosch BME680 SPI driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_BME680);
diff --git a/drivers/iio/chemical/scd4x.c b/drivers/iio/chemical/scd4x.c
index 267bc3c05338..20d4e7584e92 100644
--- a/drivers/iio/chemical/scd4x.c
+++ b/drivers/iio/chemical/scd4x.c
@@ -423,7 +423,7 @@ static ssize_t calibration_auto_enable_show(struct device *dev,
 
 	val = (be16_to_cpu(bval) & SCD4X_READY_MASK) ? 1 : 0;
 
-	return sprintf(buf, "%d\n", val);
+	return sysfs_emit(buf, "%d\n", val);
 }
 
 static ssize_t calibration_auto_enable_store(struct device *dev,
diff --git a/drivers/iio/chemical/sps30.c b/drivers/iio/chemical/sps30.c
index d51314505115..abd67559e451 100644
--- a/drivers/iio/chemical/sps30.c
+++ b/drivers/iio/chemical/sps30.c
@@ -221,7 +221,7 @@ static ssize_t cleaning_period_show(struct device *dev,
 	if (ret)
 		return ret;
 
-	return sprintf(buf, "%d\n", be32_to_cpu(val));
+	return sysfs_emit(buf, "%d\n", be32_to_cpu(val));
 }
 
 static ssize_t cleaning_period_store(struct device *dev, struct device_attribute *attr,
diff --git a/drivers/iio/common/ms_sensors/ms_sensors_i2c.c b/drivers/iio/common/ms_sensors/ms_sensors_i2c.c
index 16ea697e945c..6633b35a94e6 100644
--- a/drivers/iio/common/ms_sensors/ms_sensors_i2c.c
+++ b/drivers/iio/common/ms_sensors/ms_sensors_i2c.c
@@ -58,7 +58,7 @@ int ms_sensors_reset(void *cli, u8 cmd, unsigned int delay)
 
 	return 0;
 }
-EXPORT_SYMBOL(ms_sensors_reset);
+EXPORT_SYMBOL_NS(ms_sensors_reset, IIO_MEAS_SPEC_SENSORS);
 
 /**
  * ms_sensors_read_prom_word() - PROM word read function
@@ -84,7 +84,7 @@ int ms_sensors_read_prom_word(void *cli, int cmd, u16 *word)
 
 	return 0;
 }
-EXPORT_SYMBOL(ms_sensors_read_prom_word);
+EXPORT_SYMBOL_NS(ms_sensors_read_prom_word, IIO_MEAS_SPEC_SENSORS);
 
 /**
  * ms_sensors_convert_and_read() - ADC conversion & read function
@@ -130,7 +130,7 @@ err:
 	dev_err(&client->dev, "Unable to make sensor adc conversion\n");
 	return ret;
 }
-EXPORT_SYMBOL(ms_sensors_convert_and_read);
+EXPORT_SYMBOL_NS(ms_sensors_convert_and_read, IIO_MEAS_SPEC_SENSORS);
 
 /**
  * ms_sensors_crc_valid() - CRC check function
@@ -248,7 +248,7 @@ int ms_sensors_read_serial(struct i2c_client *client, u64 *sn)
 
 	return 0;
 }
-EXPORT_SYMBOL(ms_sensors_read_serial);
+EXPORT_SYMBOL_NS(ms_sensors_read_serial, IIO_MEAS_SPEC_SENSORS);
 
 static int ms_sensors_read_config_reg(struct i2c_client *client,
 				      u8 *config_reg)
@@ -299,7 +299,7 @@ ssize_t ms_sensors_write_resolution(struct ms_ht_dev *dev_data,
 					 MS_SENSORS_CONFIG_REG_WRITE,
 					 config_reg);
 }
-EXPORT_SYMBOL(ms_sensors_write_resolution);
+EXPORT_SYMBOL_NS(ms_sensors_write_resolution, IIO_MEAS_SPEC_SENSORS);
 
 /**
  * ms_sensors_show_battery_low() - Show device battery low indicator
@@ -324,9 +324,9 @@ ssize_t ms_sensors_show_battery_low(struct ms_ht_dev *dev_data,
 	if (ret)
 		return ret;
 
-	return sprintf(buf, "%d\n", (config_reg & 0x40) >> 6);
+	return sysfs_emit(buf, "%d\n", (config_reg & 0x40) >> 6);
 }
-EXPORT_SYMBOL(ms_sensors_show_battery_low);
+EXPORT_SYMBOL_NS(ms_sensors_show_battery_low, IIO_MEAS_SPEC_SENSORS);
 
 /**
  * ms_sensors_show_heater() - Show device heater
@@ -351,9 +351,9 @@ ssize_t ms_sensors_show_heater(struct ms_ht_dev *dev_data,
 	if (ret)
 		return ret;
 
-	return sprintf(buf, "%d\n", (config_reg & 0x4) >> 2);
+	return sysfs_emit(buf, "%d\n", (config_reg & 0x4) >> 2);
 }
-EXPORT_SYMBOL(ms_sensors_show_heater);
+EXPORT_SYMBOL_NS(ms_sensors_show_heater, IIO_MEAS_SPEC_SENSORS);
 
 /**
  * ms_sensors_write_heater() - Write device heater
@@ -401,7 +401,7 @@ ssize_t ms_sensors_write_heater(struct ms_ht_dev *dev_data,
 
 	return len;
 }
-EXPORT_SYMBOL(ms_sensors_write_heater);
+EXPORT_SYMBOL_NS(ms_sensors_write_heater, IIO_MEAS_SPEC_SENSORS);
 
 /**
  * ms_sensors_ht_read_temperature() - Read temperature
@@ -442,7 +442,7 @@ int ms_sensors_ht_read_temperature(struct ms_ht_dev *dev_data,
 
 	return 0;
 }
-EXPORT_SYMBOL(ms_sensors_ht_read_temperature);
+EXPORT_SYMBOL_NS(ms_sensors_ht_read_temperature, IIO_MEAS_SPEC_SENSORS);
 
 /**
  * ms_sensors_ht_read_humidity() - Read humidity
@@ -485,7 +485,7 @@ int ms_sensors_ht_read_humidity(struct ms_ht_dev *dev_data,
 
 	return 0;
 }
-EXPORT_SYMBOL(ms_sensors_ht_read_humidity);
+EXPORT_SYMBOL_NS(ms_sensors_ht_read_humidity, IIO_MEAS_SPEC_SENSORS);
 
 /**
  * ms_sensors_tp_crc4() - Calculate PROM CRC for
@@ -602,7 +602,7 @@ int ms_sensors_tp_read_prom(struct ms_tp_dev *dev_data)
 
 	return 0;
 }
-EXPORT_SYMBOL(ms_sensors_tp_read_prom);
+EXPORT_SYMBOL_NS(ms_sensors_tp_read_prom, IIO_MEAS_SPEC_SENSORS);
 
 /**
  * ms_sensors_read_temp_and_pressure() - read temp and pressure
@@ -688,7 +688,7 @@ int ms_sensors_read_temp_and_pressure(struct ms_tp_dev *dev_data,
 
 	return 0;
 }
-EXPORT_SYMBOL(ms_sensors_read_temp_and_pressure);
+EXPORT_SYMBOL_NS(ms_sensors_read_temp_and_pressure, IIO_MEAS_SPEC_SENSORS);
 
 MODULE_DESCRIPTION("Measurement-Specialties common i2c driver");
 MODULE_AUTHOR("William Markezana <william.markezana@meas-spec.com>");
diff --git a/drivers/iio/common/ssp_sensors/ssp_dev.c b/drivers/iio/common/ssp_sensors/ssp_dev.c
index eafaf4529df5..e64d242145e0 100644
--- a/drivers/iio/common/ssp_sensors/ssp_dev.c
+++ b/drivers/iio/common/ssp_sensors/ssp_dev.c
@@ -7,9 +7,10 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/mfd/core.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_platform.h>
+#include <linux/property.h>
+
 #include "ssp.h"
 
 #define SSP_WDT_TIME			10000
@@ -204,7 +205,7 @@ u32 ssp_get_sensor_delay(struct ssp_data *data, enum ssp_sensor_type type)
 {
 	return data->delay_buf[type];
 }
-EXPORT_SYMBOL(ssp_get_sensor_delay);
+EXPORT_SYMBOL_NS(ssp_get_sensor_delay, IIO_SSP_SENSORS);
 
 /**
  * ssp_enable_sensor() - enables data acquisition for sensor
@@ -266,7 +267,7 @@ int ssp_enable_sensor(struct ssp_data *data, enum ssp_sensor_type type,
 derror:
 	return ret;
 }
-EXPORT_SYMBOL(ssp_enable_sensor);
+EXPORT_SYMBOL_NS(ssp_enable_sensor, IIO_SSP_SENSORS);
 
 /**
  * ssp_change_delay() - changes data acquisition for sensor
@@ -297,7 +298,7 @@ int ssp_change_delay(struct ssp_data *data, enum ssp_sensor_type type,
 
 	return 0;
 }
-EXPORT_SYMBOL(ssp_change_delay);
+EXPORT_SYMBOL_NS(ssp_change_delay, IIO_SSP_SENSORS);
 
 /**
  * ssp_disable_sensor() - disables sensor
@@ -334,7 +335,7 @@ int ssp_disable_sensor(struct ssp_data *data, enum ssp_sensor_type type)
 
 	return 0;
 }
-EXPORT_SYMBOL(ssp_disable_sensor);
+EXPORT_SYMBOL_NS(ssp_disable_sensor, IIO_SSP_SENSORS);
 
 static irqreturn_t ssp_irq_thread_fn(int irq, void *dev_id)
 {
@@ -425,7 +426,6 @@ int ssp_queue_ssp_refresh_task(struct ssp_data *data, unsigned int delay)
 				  msecs_to_jiffies(delay));
 }
 
-#ifdef CONFIG_OF
 static const struct of_device_id ssp_of_match[] = {
 	{
 		.compatible	= "samsung,sensorhub-rinato",
@@ -441,8 +441,6 @@ MODULE_DEVICE_TABLE(of, ssp_of_match);
 static struct ssp_data *ssp_parse_dt(struct device *dev)
 {
 	struct ssp_data *data;
-	struct device_node *node = dev->of_node;
-	const struct of_device_id *match;
 
 	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
 	if (!data)
@@ -461,22 +459,12 @@ static struct ssp_data *ssp_parse_dt(struct device *dev)
 	if (IS_ERR(data->mcu_reset_gpiod))
 		return NULL;
 
-	match = of_match_node(ssp_of_match, node);
-	if (!match)
-		return NULL;
-
-	data->sensorhub_info = match->data;
+	data->sensorhub_info = device_get_match_data(dev);
 
 	dev_set_drvdata(dev, data);
 
 	return data;
 }
-#else
-static struct ssp_data *ssp_parse_dt(struct device *pdev)
-{
-	return NULL;
-}
-#endif
 
 /**
  * ssp_register_consumer() - registers iio consumer in ssp framework
@@ -490,7 +478,7 @@ void ssp_register_consumer(struct iio_dev *indio_dev, enum ssp_sensor_type type)
 
 	data->sensor_devs[type] = indio_dev;
 }
-EXPORT_SYMBOL(ssp_register_consumer);
+EXPORT_SYMBOL_NS(ssp_register_consumer, IIO_SSP_SENSORS);
 
 static int ssp_probe(struct spi_device *spi)
 {
@@ -610,7 +598,6 @@ static void ssp_remove(struct spi_device *spi)
 	mfd_remove_devices(&spi->dev);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int ssp_suspend(struct device *dev)
 {
 	int ret;
@@ -659,18 +646,15 @@ static int ssp_resume(struct device *dev)
 
 	return 0;
 }
-#endif /* CONFIG_PM_SLEEP */
 
-static const struct dev_pm_ops ssp_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(ssp_suspend, ssp_resume)
-};
+static DEFINE_SIMPLE_DEV_PM_OPS(ssp_pm_ops, ssp_suspend, ssp_resume);
 
 static struct spi_driver ssp_driver = {
 	.probe = ssp_probe,
 	.remove = ssp_remove,
 	.driver = {
-		.pm = &ssp_pm_ops,
-		.of_match_table = of_match_ptr(ssp_of_match),
+		.pm = pm_sleep_ptr(&ssp_pm_ops),
+		.of_match_table = ssp_of_match,
 		.name = "sensorhub"
 	},
 };
diff --git a/drivers/iio/common/ssp_sensors/ssp_iio.c b/drivers/iio/common/ssp_sensors/ssp_iio.c
index 5336db81ba0a..88b8b56bfa51 100644
--- a/drivers/iio/common/ssp_sensors/ssp_iio.c
+++ b/drivers/iio/common/ssp_sensors/ssp_iio.c
@@ -32,7 +32,7 @@ int ssp_common_buffer_postenable(struct iio_dev *indio_dev)
 	return ssp_enable_sensor(data, spd->type,
 				 ssp_get_sensor_delay(data, spd->type));
 }
-EXPORT_SYMBOL(ssp_common_buffer_postenable);
+EXPORT_SYMBOL_NS(ssp_common_buffer_postenable, IIO_SSP_SENSORS);
 
 /**
  * ssp_common_buffer_postdisable() - generic postdisable callback for ssp buffer
@@ -55,7 +55,7 @@ int ssp_common_buffer_postdisable(struct iio_dev *indio_dev)
 
 	return ret;
 }
-EXPORT_SYMBOL(ssp_common_buffer_postdisable);
+EXPORT_SYMBOL_NS(ssp_common_buffer_postdisable, IIO_SSP_SENSORS);
 
 /**
  * ssp_common_process_data() - Common process data callback for ssp sensors
@@ -91,8 +91,9 @@ int ssp_common_process_data(struct iio_dev *indio_dev, void *buf,
 	return iio_push_to_buffers_with_timestamp(indio_dev, spd->buffer,
 						  calculated_time);
 }
-EXPORT_SYMBOL(ssp_common_process_data);
+EXPORT_SYMBOL_NS(ssp_common_process_data, IIO_SSP_SENSORS);
 
 MODULE_AUTHOR("Karol Wrona <k.wrona@samsung.com>");
 MODULE_DESCRIPTION("Samsung sensorhub commons");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_SSP_SENSORS);
diff --git a/drivers/iio/common/st_sensors/Kconfig b/drivers/iio/common/st_sensors/Kconfig
index 9364ec7a811f..eda8f347fda5 100644
--- a/drivers/iio/common/st_sensors/Kconfig
+++ b/drivers/iio/common/st_sensors/Kconfig
@@ -13,5 +13,3 @@ config IIO_ST_SENSORS_SPI
 
 config IIO_ST_SENSORS_CORE
 	tristate
-	select IIO_ST_SENSORS_I2C if I2C
-	select IIO_ST_SENSORS_SPI if SPI_MASTER
diff --git a/drivers/iio/common/st_sensors/st_sensors_buffer.c b/drivers/iio/common/st_sensors/st_sensors_buffer.c
index dccc471e79da..e2f108ca949c 100644
--- a/drivers/iio/common/st_sensors/st_sensors_buffer.c
+++ b/drivers/iio/common/st_sensors/st_sensors_buffer.c
@@ -8,7 +8,6 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/module.h>
 #include <linux/iio/iio.h>
 #include <linux/iio/trigger.h>
 #include <linux/interrupt.h>
@@ -77,8 +76,4 @@ st_sensors_get_buffer_element_error:
 
 	return IRQ_HANDLED;
 }
-EXPORT_SYMBOL(st_sensors_trigger_handler);
-
-MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
-MODULE_DESCRIPTION("STMicroelectronics ST-sensors buffer");
-MODULE_LICENSE("GPL v2");
+EXPORT_SYMBOL_NS(st_sensors_trigger_handler, IIO_ST_SENSORS);
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
index eb452d0c423c..fa9bcdf0d190 100644
--- a/drivers/iio/common/st_sensors/st_sensors_core.c
+++ b/drivers/iio/common/st_sensors/st_sensors_core.c
@@ -46,7 +46,7 @@ int st_sensors_debugfs_reg_access(struct iio_dev *indio_dev,
 
 	return 0;
 }
-EXPORT_SYMBOL(st_sensors_debugfs_reg_access);
+EXPORT_SYMBOL_NS(st_sensors_debugfs_reg_access, IIO_ST_SENSORS);
 
 static int st_sensors_match_odr(struct st_sensor_settings *sensor_settings,
 			unsigned int odr, struct st_sensor_odr_avl *odr_out)
@@ -106,7 +106,7 @@ int st_sensors_set_odr(struct iio_dev *indio_dev, unsigned int odr)
 st_sensors_match_odr_error:
 	return err;
 }
-EXPORT_SYMBOL(st_sensors_set_odr);
+EXPORT_SYMBOL_NS(st_sensors_set_odr, IIO_ST_SENSORS);
 
 static int st_sensors_match_fs(struct st_sensor_settings *sensor_settings,
 					unsigned int fs, int *index_fs_avl)
@@ -199,7 +199,7 @@ int st_sensors_set_enable(struct iio_dev *indio_dev, bool enable)
 set_enable_error:
 	return err;
 }
-EXPORT_SYMBOL(st_sensors_set_enable);
+EXPORT_SYMBOL_NS(st_sensors_set_enable, IIO_ST_SENSORS);
 
 int st_sensors_set_axis_enable(struct iio_dev *indio_dev, u8 axis_enable)
 {
@@ -213,7 +213,7 @@ int st_sensors_set_axis_enable(struct iio_dev *indio_dev, u8 axis_enable)
 				axis_enable);
 	return err;
 }
-EXPORT_SYMBOL(st_sensors_set_axis_enable);
+EXPORT_SYMBOL_NS(st_sensors_set_axis_enable, IIO_ST_SENSORS);
 
 static void st_reg_disable(void *reg)
 {
@@ -257,7 +257,7 @@ int st_sensors_power_enable(struct iio_dev *indio_dev)
 
 	return devm_add_action_or_reset(parent, st_reg_disable, pdata->vdd_io);
 }
-EXPORT_SYMBOL(st_sensors_power_enable);
+EXPORT_SYMBOL_NS(st_sensors_power_enable, IIO_ST_SENSORS);
 
 static int st_sensors_set_drdy_int_pin(struct iio_dev *indio_dev,
 					struct st_sensors_platform_data *pdata)
@@ -352,7 +352,7 @@ void st_sensors_dev_name_probe(struct device *dev, char *name, int len)
 	/* The name from the match takes precedence if present */
 	strlcpy(name, match, len);
 }
-EXPORT_SYMBOL(st_sensors_dev_name_probe);
+EXPORT_SYMBOL_NS(st_sensors_dev_name_probe, IIO_ST_SENSORS);
 
 int st_sensors_init_sensor(struct iio_dev *indio_dev,
 					struct st_sensors_platform_data *pdata)
@@ -437,7 +437,7 @@ int st_sensors_init_sensor(struct iio_dev *indio_dev,
 
 	return err;
 }
-EXPORT_SYMBOL(st_sensors_init_sensor);
+EXPORT_SYMBOL_NS(st_sensors_init_sensor, IIO_ST_SENSORS);
 
 int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable)
 {
@@ -486,7 +486,7 @@ int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable)
 st_accel_set_dataready_irq_error:
 	return err;
 }
-EXPORT_SYMBOL(st_sensors_set_dataready_irq);
+EXPORT_SYMBOL_NS(st_sensors_set_dataready_irq, IIO_ST_SENSORS);
 
 int st_sensors_set_fullscale_by_gain(struct iio_dev *indio_dev, int scale)
 {
@@ -509,7 +509,7 @@ int st_sensors_set_fullscale_by_gain(struct iio_dev *indio_dev, int scale)
 st_sensors_match_scale_error:
 	return err;
 }
-EXPORT_SYMBOL(st_sensors_set_fullscale_by_gain);
+EXPORT_SYMBOL_NS(st_sensors_set_fullscale_by_gain, IIO_ST_SENSORS);
 
 static int st_sensors_read_axis_data(struct iio_dev *indio_dev,
 				     struct iio_chan_spec const *ch, int *data)
@@ -572,7 +572,7 @@ out:
 
 	return err;
 }
-EXPORT_SYMBOL(st_sensors_read_info_raw);
+EXPORT_SYMBOL_NS(st_sensors_read_info_raw, IIO_ST_SENSORS);
 
 /*
  * st_sensors_get_settings_index() - get index of the sensor settings for a
@@ -599,7 +599,7 @@ int st_sensors_get_settings_index(const char *name,
 
 	return -ENODEV;
 }
-EXPORT_SYMBOL(st_sensors_get_settings_index);
+EXPORT_SYMBOL_NS(st_sensors_get_settings_index, IIO_ST_SENSORS);
 
 /*
  * st_sensors_verify_id() - verify sensor ID (WhoAmI) is matching with the
@@ -632,7 +632,7 @@ int st_sensors_verify_id(struct iio_dev *indio_dev)
 
 	return 0;
 }
-EXPORT_SYMBOL(st_sensors_verify_id);
+EXPORT_SYMBOL_NS(st_sensors_verify_id, IIO_ST_SENSORS);
 
 ssize_t st_sensors_sysfs_sampling_frequency_avail(struct device *dev,
 				struct device_attribute *attr, char *buf)
@@ -654,7 +654,7 @@ ssize_t st_sensors_sysfs_sampling_frequency_avail(struct device *dev,
 
 	return len;
 }
-EXPORT_SYMBOL(st_sensors_sysfs_sampling_frequency_avail);
+EXPORT_SYMBOL_NS(st_sensors_sysfs_sampling_frequency_avail, IIO_ST_SENSORS);
 
 ssize_t st_sensors_sysfs_scale_avail(struct device *dev,
 				struct device_attribute *attr, char *buf)
@@ -678,7 +678,7 @@ ssize_t st_sensors_sysfs_scale_avail(struct device *dev,
 
 	return len;
 }
-EXPORT_SYMBOL(st_sensors_sysfs_scale_avail);
+EXPORT_SYMBOL_NS(st_sensors_sysfs_scale_avail, IIO_ST_SENSORS);
 
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics ST-sensors core");
diff --git a/drivers/iio/common/st_sensors/st_sensors_i2c.c b/drivers/iio/common/st_sensors/st_sensors_i2c.c
index 18bd3c3d99bc..ee95082c7410 100644
--- a/drivers/iio/common/st_sensors/st_sensors_i2c.c
+++ b/drivers/iio/common/st_sensors/st_sensors_i2c.c
@@ -61,7 +61,7 @@ int st_sensors_i2c_configure(struct iio_dev *indio_dev,
 
 	return 0;
 }
-EXPORT_SYMBOL(st_sensors_i2c_configure);
+EXPORT_SYMBOL_NS(st_sensors_i2c_configure, IIO_ST_SENSORS);
 
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics ST-sensors i2c driver");
diff --git a/drivers/iio/common/st_sensors/st_sensors_spi.c b/drivers/iio/common/st_sensors/st_sensors_spi.c
index 7c60050e90dc..63e302c3fbaa 100644
--- a/drivers/iio/common/st_sensors/st_sensors_spi.c
+++ b/drivers/iio/common/st_sensors/st_sensors_spi.c
@@ -113,7 +113,7 @@ int st_sensors_spi_configure(struct iio_dev *indio_dev,
 
 	return 0;
 }
-EXPORT_SYMBOL(st_sensors_spi_configure);
+EXPORT_SYMBOL_NS(st_sensors_spi_configure, IIO_ST_SENSORS);
 
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics ST-sensors spi driver");
diff --git a/drivers/iio/common/st_sensors/st_sensors_trigger.c b/drivers/iio/common/st_sensors/st_sensors_trigger.c
index 392d74449886..899b640c0a70 100644
--- a/drivers/iio/common/st_sensors/st_sensors_trigger.c
+++ b/drivers/iio/common/st_sensors/st_sensors_trigger.c
@@ -8,7 +8,6 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/module.h>
 #include <linux/iio/iio.h>
 #include <linux/iio/trigger.h>
 #include <linux/interrupt.h>
@@ -228,7 +227,7 @@ int st_sensors_allocate_trigger(struct iio_dev *indio_dev,
 
 	return 0;
 }
-EXPORT_SYMBOL(st_sensors_allocate_trigger);
+EXPORT_SYMBOL_NS(st_sensors_allocate_trigger, IIO_ST_SENSORS);
 
 int st_sensors_validate_device(struct iio_trigger *trig,
 			       struct iio_dev *indio_dev)
@@ -240,8 +239,4 @@ int st_sensors_validate_device(struct iio_trigger *trig,
 
 	return 0;
 }
-EXPORT_SYMBOL(st_sensors_validate_device);
-
-MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
-MODULE_DESCRIPTION("STMicroelectronics ST-sensors trigger");
-MODULE_LICENSE("GPL v2");
+EXPORT_SYMBOL_NS(st_sensors_validate_device, IIO_ST_SENSORS);
diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig
index bfcf7568de32..c0bf0d84197f 100644
--- a/drivers/iio/dac/Kconfig
+++ b/drivers/iio/dac/Kconfig
@@ -131,6 +131,17 @@ config AD5624R_SPI
 	  Say yes here to build support for Analog Devices AD5624R, AD5644R and
 	  AD5664R converters (DAC). This driver uses the common SPI interface.
 
+config LTC2688
+	tristate "Analog Devices LTC2688 DAC spi driver"
+	depends on SPI
+	select REGMAP
+	help
+	  Say yes here to build support for Analog Devices
+	  LTC2688 converters (DAC).
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called ltc2688.
+
 config AD5686
 	tristate
 
diff --git a/drivers/iio/dac/Makefile b/drivers/iio/dac/Makefile
index 01a50131572f..ec3e42713f00 100644
--- a/drivers/iio/dac/Makefile
+++ b/drivers/iio/dac/Makefile
@@ -35,6 +35,7 @@ obj-$(CONFIG_DS4424) += ds4424.o
 obj-$(CONFIG_LPC18XX_DAC) += lpc18xx_dac.o
 obj-$(CONFIG_LTC1660) += ltc1660.o
 obj-$(CONFIG_LTC2632) += ltc2632.o
+obj-$(CONFIG_LTC2688) += ltc2688.o
 obj-$(CONFIG_M62332) += m62332.o
 obj-$(CONFIG_MAX517) += max517.o
 obj-$(CONFIG_MAX5821) += max5821.o
diff --git a/drivers/iio/dac/ad5592r-base.c b/drivers/iio/dac/ad5592r-base.c
index 2fcc59728fd6..a424b7220b61 100644
--- a/drivers/iio/dac/ad5592r-base.c
+++ b/drivers/iio/dac/ad5592r-base.c
@@ -11,7 +11,6 @@
 #include <linux/iio/iio.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
-#include <linux/of.h>
 #include <linux/regulator/consumer.h>
 #include <linux/gpio/consumer.h>
 #include <linux/gpio/driver.h>
@@ -661,7 +660,7 @@ error_disable_reg:
 
 	return ret;
 }
-EXPORT_SYMBOL_GPL(ad5592r_probe);
+EXPORT_SYMBOL_NS_GPL(ad5592r_probe, IIO_AD5592R);
 
 void ad5592r_remove(struct device *dev)
 {
@@ -675,7 +674,7 @@ void ad5592r_remove(struct device *dev)
 	if (st->reg)
 		regulator_disable(st->reg);
 }
-EXPORT_SYMBOL_GPL(ad5592r_remove);
+EXPORT_SYMBOL_NS_GPL(ad5592r_remove, IIO_AD5592R);
 
 MODULE_AUTHOR("Paul Cercueil <paul.cercueil@analog.com>");
 MODULE_DESCRIPTION("Analog Devices AD5592R multi-channel converters");
diff --git a/drivers/iio/dac/ad5592r.c b/drivers/iio/dac/ad5592r.c
index 0f7abfa75bec..32d950bbb1ca 100644
--- a/drivers/iio/dac/ad5592r.c
+++ b/drivers/iio/dac/ad5592r.c
@@ -168,3 +168,4 @@ module_spi_driver(ad5592r_spi_driver);
 MODULE_AUTHOR("Paul Cercueil <paul.cercueil@analog.com>");
 MODULE_DESCRIPTION("Analog Devices AD5592R multi-channel converters");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_AD5592R);
diff --git a/drivers/iio/dac/ad5593r.c b/drivers/iio/dac/ad5593r.c
index 64dd7a0bddf7..34e1319a9712 100644
--- a/drivers/iio/dac/ad5593r.c
+++ b/drivers/iio/dac/ad5593r.c
@@ -137,3 +137,4 @@ module_i2c_driver(ad5593r_driver);
 MODULE_AUTHOR("Paul Cercueil <paul.cercueil@analog.com>");
 MODULE_DESCRIPTION("Analog Devices AD5593R multi-channel converters");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_AD5592R);
diff --git a/drivers/iio/dac/ad5686-spi.c b/drivers/iio/dac/ad5686-spi.c
index d26fb29b6b04..8ba2ea70451a 100644
--- a/drivers/iio/dac/ad5686-spi.c
+++ b/drivers/iio/dac/ad5686-spi.c
@@ -135,3 +135,4 @@ module_spi_driver(ad5686_spi_driver);
 MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>");
 MODULE_DESCRIPTION("Analog Devices AD5686 and similar multi-channel DACs");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_AD5686);
diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c
index e592a995f404..f78dd3f33199 100644
--- a/drivers/iio/dac/ad5686.c
+++ b/drivers/iio/dac/ad5686.c
@@ -536,7 +536,7 @@ error_disable_reg:
 		regulator_disable(st->reg);
 	return ret;
 }
-EXPORT_SYMBOL_GPL(ad5686_probe);
+EXPORT_SYMBOL_NS_GPL(ad5686_probe, IIO_AD5686);
 
 void ad5686_remove(struct device *dev)
 {
@@ -547,7 +547,7 @@ void ad5686_remove(struct device *dev)
 	if (!IS_ERR(st->reg))
 		regulator_disable(st->reg);
 }
-EXPORT_SYMBOL_GPL(ad5686_remove);
+EXPORT_SYMBOL_NS_GPL(ad5686_remove, IIO_AD5686);
 
 MODULE_AUTHOR("Michael Hennerich <michael.hennerich@analog.com>");
 MODULE_DESCRIPTION("Analog Devices AD5686/85/84 DAC");
diff --git a/drivers/iio/dac/ad5696-i2c.c b/drivers/iio/dac/ad5696-i2c.c
index 93f0e0e66c22..762503c1901b 100644
--- a/drivers/iio/dac/ad5696-i2c.c
+++ b/drivers/iio/dac/ad5696-i2c.c
@@ -125,3 +125,4 @@ module_i2c_driver(ad5686_i2c_driver);
 MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>");
 MODULE_DESCRIPTION("Analog Devices AD5686 and similar multi-channel DACs");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_AD5686);
diff --git a/drivers/iio/dac/ltc2688.c b/drivers/iio/dac/ltc2688.c
new file mode 100644
index 000000000000..e41861d29767
--- /dev/null
+++ b/drivers/iio/dac/ltc2688.c
@@ -0,0 +1,1071 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * LTC2688 16 channel, 16 bit Voltage Output SoftSpan DAC driver
+ *
+ * Copyright 2022 Analog Devices Inc.
+ */
+#include <linux/bitfield.h>
+#include <linux/bits.h>
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/gpio/consumer.h>
+#include <linux/iio/iio.h>
+#include <linux/limits.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/mutex.h>
+#include <linux/of.h>
+#include <linux/property.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/spi/spi.h>
+
+#define LTC2688_DAC_CHANNELS			16
+
+#define LTC2688_CMD_CH_CODE(x)			(0x00 + (x))
+#define LTC2688_CMD_CH_SETTING(x)		(0x10 + (x))
+#define LTC2688_CMD_CH_OFFSET(x)		(0X20 + (x))
+#define LTC2688_CMD_CH_GAIN(x)			(0x30 + (x))
+#define LTC2688_CMD_CH_CODE_UPDATE(x)		(0x40 + (x))
+
+#define LTC2688_CMD_CONFIG			0x70
+#define LTC2688_CMD_POWERDOWN			0x71
+#define LTC2688_CMD_A_B_SELECT			0x72
+#define LTC2688_CMD_SW_TOGGLE			0x73
+#define LTC2688_CMD_TOGGLE_DITHER_EN		0x74
+#define LTC2688_CMD_THERMAL_STAT		0x77
+#define LTC2688_CMD_UPDATE_ALL			0x7C
+#define LTC2688_CMD_NOOP			0xFF
+
+#define LTC2688_READ_OPERATION			0x80
+
+/* Channel Settings */
+#define LTC2688_CH_SPAN_MSK			GENMASK(2, 0)
+#define LTC2688_CH_OVERRANGE_MSK		BIT(3)
+#define LTC2688_CH_TD_SEL_MSK			GENMASK(5, 4)
+#define LTC2688_CH_TGP_MAX			3
+#define LTC2688_CH_DIT_PER_MSK			GENMASK(8, 6)
+#define LTC2688_CH_DIT_PH_MSK			GENMASK(10, 9)
+#define LTC2688_CH_MODE_MSK			BIT(11)
+
+#define LTC2688_DITHER_RAW_MASK			GENMASK(15, 2)
+#define LTC2688_CH_CALIBBIAS_MASK		GENMASK(15, 2)
+#define LTC2688_DITHER_RAW_MAX_VAL		(BIT(14) - 1)
+#define LTC2688_CH_CALIBBIAS_MAX_VAL		(BIT(14) - 1)
+
+/* Configuration register */
+#define LTC2688_CONFIG_RST			BIT(15)
+#define LTC2688_CONFIG_EXT_REF			BIT(1)
+
+#define LTC2688_DITHER_FREQ_AVAIL_N		5
+
+enum {
+	LTC2688_SPAN_RANGE_0V_5V,
+	LTC2688_SPAN_RANGE_0V_10V,
+	LTC2688_SPAN_RANGE_M5V_5V,
+	LTC2688_SPAN_RANGE_M10V_10V,
+	LTC2688_SPAN_RANGE_M15V_15V,
+	LTC2688_SPAN_RANGE_MAX
+};
+
+enum {
+	LTC2688_MODE_DEFAULT,
+	LTC2688_MODE_DITHER_TOGGLE,
+};
+
+struct ltc2688_chan {
+	long dither_frequency[LTC2688_DITHER_FREQ_AVAIL_N];
+	bool overrange;
+	bool toggle_chan;
+	u8 mode;
+};
+
+struct ltc2688_state {
+	struct spi_device *spi;
+	struct regmap *regmap;
+	struct regulator_bulk_data regulators[2];
+	struct ltc2688_chan channels[LTC2688_DAC_CHANNELS];
+	struct iio_chan_spec *iio_chan;
+	/* lock to protect against multiple access to the device and shared data */
+	struct mutex lock;
+	int vref;
+	/*
+	 * DMA (thus cache coherency maintenance) requires the
+	 * transfer buffers to live in their own cache lines.
+	 */
+	u8 tx_data[6] ____cacheline_aligned;
+	u8 rx_data[3];
+};
+
+static int ltc2688_spi_read(void *context, const void *reg, size_t reg_size,
+			    void *val, size_t val_size)
+{
+	struct ltc2688_state *st = context;
+	struct spi_transfer xfers[] = {
+		{
+			.tx_buf = st->tx_data,
+			.bits_per_word = 8,
+			.len = reg_size + val_size,
+			.cs_change = 1,
+		}, {
+			.tx_buf = st->tx_data + 3,
+			.rx_buf = st->rx_data,
+			.bits_per_word = 8,
+			.len = reg_size + val_size,
+		},
+	};
+	int ret;
+
+	memcpy(st->tx_data, reg, reg_size);
+
+	ret = spi_sync_transfer(st->spi, xfers, ARRAY_SIZE(xfers));
+	if (ret)
+		return ret;
+
+	memcpy(val, &st->rx_data[1], val_size);
+
+	return 0;
+}
+
+static int ltc2688_spi_write(void *context, const void *data, size_t count)
+{
+	struct ltc2688_state *st = context;
+
+	return spi_write(st->spi, data, count);
+}
+
+static int ltc2688_span_get(const struct ltc2688_state *st, int c)
+{
+	int ret, reg, span;
+
+	ret = regmap_read(st->regmap, LTC2688_CMD_CH_SETTING(c), &reg);
+	if (ret)
+		return ret;
+
+	span = FIELD_GET(LTC2688_CH_SPAN_MSK, reg);
+	/* sanity check to make sure we don't get any weird value from the HW */
+	if (span >= LTC2688_SPAN_RANGE_MAX)
+		return -EIO;
+
+	return span;
+}
+
+static const int ltc2688_span_helper[LTC2688_SPAN_RANGE_MAX][2] = {
+	{0, 5000}, {0, 10000}, {-5000, 5000}, {-10000, 10000}, {-15000, 15000},
+};
+
+static int ltc2688_scale_get(const struct ltc2688_state *st, int c, int *val)
+{
+	const struct ltc2688_chan *chan = &st->channels[c];
+	int span, fs;
+
+	span = ltc2688_span_get(st, c);
+	if (span < 0)
+		return span;
+
+	fs = ltc2688_span_helper[span][1] - ltc2688_span_helper[span][0];
+	if (chan->overrange)
+		fs = mult_frac(fs, 105, 100);
+
+	*val = DIV_ROUND_CLOSEST(fs * st->vref, 4096);
+
+	return 0;
+}
+
+static int ltc2688_offset_get(const struct ltc2688_state *st, int c, int *val)
+{
+	int span;
+
+	span = ltc2688_span_get(st, c);
+	if (span < 0)
+		return span;
+
+	if (ltc2688_span_helper[span][0] < 0)
+		*val = -32768;
+	else
+		*val = 0;
+
+	return 0;
+}
+
+enum {
+	LTC2688_INPUT_A,
+	LTC2688_INPUT_B,
+	LTC2688_INPUT_B_AVAIL,
+	LTC2688_DITHER_OFF,
+	LTC2688_DITHER_FREQ_AVAIL,
+};
+
+static int ltc2688_dac_code_write(struct ltc2688_state *st, u32 chan, u32 input,
+				  u16 code)
+{
+	struct ltc2688_chan *c = &st->channels[chan];
+	int ret, reg;
+
+	/* 2 LSBs set to 0 if writing dither amplitude */
+	if (!c->toggle_chan && input == LTC2688_INPUT_B) {
+		if (code > LTC2688_DITHER_RAW_MAX_VAL)
+			return -EINVAL;
+
+		code = FIELD_PREP(LTC2688_DITHER_RAW_MASK, code);
+	}
+
+	mutex_lock(&st->lock);
+	/* select the correct input register to read from */
+	ret = regmap_update_bits(st->regmap, LTC2688_CMD_A_B_SELECT, BIT(chan),
+				 input << chan);
+	if (ret)
+		goto out_unlock;
+
+	/*
+	 * If in dither/toggle mode the dac should be updated by an
+	 * external signal (or sw toggle) and not here.
+	 */
+	if (c->mode == LTC2688_MODE_DEFAULT)
+		reg = LTC2688_CMD_CH_CODE_UPDATE(chan);
+	else
+		reg = LTC2688_CMD_CH_CODE(chan);
+
+	ret = regmap_write(st->regmap, reg, code);
+out_unlock:
+	mutex_unlock(&st->lock);
+	return ret;
+}
+
+static int ltc2688_dac_code_read(struct ltc2688_state *st, u32 chan, u32 input,
+				 u32 *code)
+{
+	struct ltc2688_chan *c = &st->channels[chan];
+	int ret;
+
+	mutex_lock(&st->lock);
+	ret = regmap_update_bits(st->regmap, LTC2688_CMD_A_B_SELECT, BIT(chan),
+				 input << chan);
+	if (ret)
+		goto out_unlock;
+
+	ret = regmap_read(st->regmap, LTC2688_CMD_CH_CODE(chan), code);
+out_unlock:
+	mutex_unlock(&st->lock);
+
+	if (!c->toggle_chan && input == LTC2688_INPUT_B)
+		*code = FIELD_GET(LTC2688_DITHER_RAW_MASK, *code);
+
+	return ret;
+}
+
+static const int ltc2688_raw_range[] = {0, 1, U16_MAX};
+
+static int ltc2688_read_avail(struct iio_dev *indio_dev,
+			      struct iio_chan_spec const *chan,
+			      const int **vals, int *type, int *length,
+			      long info)
+{
+	switch (info) {
+	case IIO_CHAN_INFO_RAW:
+		*vals = ltc2688_raw_range;
+		*type = IIO_VAL_INT;
+		return IIO_AVAIL_RANGE;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int ltc2688_read_raw(struct iio_dev *indio_dev,
+			    struct iio_chan_spec const *chan, int *val,
+			    int *val2, long info)
+{
+	struct ltc2688_state *st = iio_priv(indio_dev);
+	int ret;
+
+	switch (info) {
+	case IIO_CHAN_INFO_RAW:
+		ret = ltc2688_dac_code_read(st, chan->channel, LTC2688_INPUT_A,
+					    val);
+		if (ret)
+			return ret;
+
+		return IIO_VAL_INT;
+	case IIO_CHAN_INFO_OFFSET:
+		ret = ltc2688_offset_get(st, chan->channel, val);
+		if (ret)
+			return ret;
+
+		return IIO_VAL_INT;
+	case IIO_CHAN_INFO_SCALE:
+		ret = ltc2688_scale_get(st, chan->channel, val);
+		if (ret)
+			return ret;
+
+		*val = 16;
+		return IIO_VAL_FRACTIONAL_LOG2;
+	case IIO_CHAN_INFO_CALIBBIAS:
+		ret = regmap_read(st->regmap,
+				  LTC2688_CMD_CH_OFFSET(chan->channel), val);
+		if (ret)
+			return ret;
+
+		*val = FIELD_GET(LTC2688_CH_CALIBBIAS_MASK, *val);
+		return IIO_VAL_INT;
+	case IIO_CHAN_INFO_CALIBSCALE:
+		ret = regmap_read(st->regmap,
+				  LTC2688_CMD_CH_GAIN(chan->channel), val);
+		if (ret)
+			return ret;
+
+		return IIO_VAL_INT;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int ltc2688_write_raw(struct iio_dev *indio_dev,
+			     struct iio_chan_spec const *chan, int val,
+			     int val2, long info)
+{
+	struct ltc2688_state *st = iio_priv(indio_dev);
+
+	switch (info) {
+	case IIO_CHAN_INFO_RAW:
+		if (val > U16_MAX || val < 0)
+			return -EINVAL;
+
+		return ltc2688_dac_code_write(st, chan->channel,
+					      LTC2688_INPUT_A, val);
+	case IIO_CHAN_INFO_CALIBBIAS:
+		if (val > LTC2688_CH_CALIBBIAS_MAX_VAL)
+			return -EINVAL;
+
+		return regmap_write(st->regmap,
+				    LTC2688_CMD_CH_OFFSET(chan->channel),
+				    FIELD_PREP(LTC2688_CH_CALIBBIAS_MASK, val));
+	case IIO_CHAN_INFO_CALIBSCALE:
+		return regmap_write(st->regmap,
+				    LTC2688_CMD_CH_GAIN(chan->channel), val);
+	default:
+		return -EINVAL;
+	}
+}
+
+static ssize_t ltc2688_dither_toggle_set(struct iio_dev *indio_dev,
+					 uintptr_t private,
+					 const struct iio_chan_spec *chan,
+					 const char *buf, size_t len)
+{
+	struct ltc2688_state *st = iio_priv(indio_dev);
+	struct ltc2688_chan *c = &st->channels[chan->channel];
+	int ret;
+	bool en;
+
+	ret = kstrtobool(buf, &en);
+	if (ret)
+		return ret;
+
+	mutex_lock(&st->lock);
+	ret = regmap_update_bits(st->regmap, LTC2688_CMD_TOGGLE_DITHER_EN,
+				 BIT(chan->channel), en << chan->channel);
+	if (ret)
+		goto out_unlock;
+
+	c->mode = en ? LTC2688_MODE_DITHER_TOGGLE : LTC2688_MODE_DEFAULT;
+out_unlock:
+	mutex_unlock(&st->lock);
+
+	return ret ?: len;
+}
+
+static ssize_t ltc2688_reg_bool_get(struct iio_dev *indio_dev,
+				    uintptr_t private,
+				    const struct iio_chan_spec *chan,
+				    char *buf)
+{
+	const struct ltc2688_state *st = iio_priv(indio_dev);
+	int ret;
+	u32 val;
+
+	ret = regmap_read(st->regmap, private, &val);
+	if (ret)
+		return ret;
+
+	return sysfs_emit(buf, "%u\n", !!(val & BIT(chan->channel)));
+}
+
+static ssize_t ltc2688_reg_bool_set(struct iio_dev *indio_dev,
+				    uintptr_t private,
+				    const struct iio_chan_spec *chan,
+				    const char *buf, size_t len)
+{
+	const struct ltc2688_state *st = iio_priv(indio_dev);
+	int ret;
+	bool en;
+
+	ret = kstrtobool(buf, &en);
+	if (ret)
+		return ret;
+
+	ret = regmap_update_bits(st->regmap, private, BIT(chan->channel),
+				 en << chan->channel);
+	if (ret)
+		return ret;
+
+	return len;
+}
+
+static ssize_t ltc2688_dither_freq_avail(const struct ltc2688_state *st,
+					 const struct ltc2688_chan *chan,
+					 char *buf)
+{
+	int sz = 0;
+	u32 f;
+
+	for (f = 0; f < ARRAY_SIZE(chan->dither_frequency); f++)
+		sz += sysfs_emit_at(buf, sz, "%ld ", chan->dither_frequency[f]);
+
+	buf[sz - 1] = '\n';
+
+	return sz;
+}
+
+static ssize_t ltc2688_dither_freq_get(struct iio_dev *indio_dev,
+				       uintptr_t private,
+				       const struct iio_chan_spec *chan,
+				       char *buf)
+{
+	const struct ltc2688_state *st = iio_priv(indio_dev);
+	const struct ltc2688_chan *c = &st->channels[chan->channel];
+	u32 reg, freq;
+	int ret;
+
+	if (private == LTC2688_DITHER_FREQ_AVAIL)
+		return ltc2688_dither_freq_avail(st, c, buf);
+
+	ret = regmap_read(st->regmap, LTC2688_CMD_CH_SETTING(chan->channel),
+			  &reg);
+	if (ret)
+		return ret;
+
+	freq = FIELD_GET(LTC2688_CH_DIT_PER_MSK, reg);
+	if (freq >= ARRAY_SIZE(c->dither_frequency))
+		return -EIO;
+
+	return sysfs_emit(buf, "%ld\n", c->dither_frequency[freq]);
+}
+
+static ssize_t ltc2688_dither_freq_set(struct iio_dev *indio_dev,
+				       uintptr_t private,
+				       const struct iio_chan_spec *chan,
+				       const char *buf, size_t len)
+{
+	const struct ltc2688_state *st = iio_priv(indio_dev);
+	const struct ltc2688_chan *c = &st->channels[chan->channel];
+	long val;
+	u32 freq;
+	int ret;
+
+	if (private == LTC2688_DITHER_FREQ_AVAIL)
+		return -EINVAL;
+
+	ret = kstrtol(buf, 10, &val);
+	if (ret)
+		return ret;
+
+	for (freq = 0; freq < ARRAY_SIZE(c->dither_frequency); freq++) {
+		if (val == c->dither_frequency[freq])
+			break;
+	}
+
+	if (freq == ARRAY_SIZE(c->dither_frequency))
+		return -EINVAL;
+
+	ret = regmap_update_bits(st->regmap,
+				 LTC2688_CMD_CH_SETTING(chan->channel),
+				 LTC2688_CH_DIT_PER_MSK,
+				 FIELD_PREP(LTC2688_CH_DIT_PER_MSK, freq));
+	if (ret)
+		return ret;
+
+	return len;
+}
+
+static ssize_t ltc2688_dac_input_read(struct iio_dev *indio_dev,
+				      uintptr_t private,
+				      const struct iio_chan_spec *chan,
+				      char *buf)
+{
+	struct ltc2688_state *st = iio_priv(indio_dev);
+	int ret;
+	u32 val;
+
+	if (private == LTC2688_INPUT_B_AVAIL)
+		return sysfs_emit(buf, "[%u %u %u]\n", ltc2688_raw_range[0],
+				  ltc2688_raw_range[1],
+				  ltc2688_raw_range[2] / 4);
+
+	if (private == LTC2688_DITHER_OFF)
+		return sysfs_emit(buf, "0\n");
+
+	ret = ltc2688_dac_code_read(st, chan->channel, private, &val);
+	if (ret)
+		return ret;
+
+	return sysfs_emit(buf, "%u\n", val);
+}
+
+static ssize_t ltc2688_dac_input_write(struct iio_dev *indio_dev,
+				       uintptr_t private,
+				       const struct iio_chan_spec *chan,
+				       const char *buf, size_t len)
+{
+	struct ltc2688_state *st = iio_priv(indio_dev);
+	int ret;
+	u16 val;
+
+	if (private == LTC2688_INPUT_B_AVAIL || private == LTC2688_DITHER_OFF)
+		return -EINVAL;
+
+	ret = kstrtou16(buf, 10, &val);
+	if (ret)
+		return ret;
+
+	ret = ltc2688_dac_code_write(st, chan->channel, private, val);
+	if (ret)
+		return ret;
+
+	return len;
+}
+
+static int ltc2688_get_dither_phase(struct iio_dev *dev,
+				    const struct iio_chan_spec *chan)
+{
+	struct ltc2688_state *st = iio_priv(dev);
+	int ret, regval;
+
+	ret = regmap_read(st->regmap, LTC2688_CMD_CH_SETTING(chan->channel),
+			  &regval);
+	if (ret)
+		return ret;
+
+	return FIELD_GET(LTC2688_CH_DIT_PH_MSK, regval);
+}
+
+static int ltc2688_set_dither_phase(struct iio_dev *dev,
+				    const struct iio_chan_spec *chan,
+				    unsigned int phase)
+{
+	struct ltc2688_state *st = iio_priv(dev);
+
+	return regmap_update_bits(st->regmap,
+				  LTC2688_CMD_CH_SETTING(chan->channel),
+				  LTC2688_CH_DIT_PH_MSK,
+				  FIELD_PREP(LTC2688_CH_DIT_PH_MSK, phase));
+}
+
+static int ltc2688_reg_access(struct iio_dev *indio_dev,
+			      unsigned int reg,
+			      unsigned int writeval,
+			      unsigned int *readval)
+{
+	struct ltc2688_state *st = iio_priv(indio_dev);
+
+	if (readval)
+		return regmap_read(st->regmap, reg, readval);
+
+	return regmap_write(st->regmap, reg, writeval);
+}
+
+static const char * const ltc2688_dither_phase[] = {
+	"0", "1.5708", "3.14159", "4.71239",
+};
+
+static const struct iio_enum ltc2688_dither_phase_enum = {
+	.items = ltc2688_dither_phase,
+	.num_items = ARRAY_SIZE(ltc2688_dither_phase),
+	.set = ltc2688_set_dither_phase,
+	.get = ltc2688_get_dither_phase,
+};
+
+#define LTC2688_CHAN_EXT_INFO(_name, _what, _shared, _read, _write) {	\
+	.name = _name,							\
+	.read = (_read),						\
+	.write = (_write),						\
+	.private = (_what),						\
+	.shared = (_shared),						\
+}
+
+/*
+ * For toggle mode we only expose the symbol attr (sw_toggle) in case a TGPx is
+ * not provided in dts.
+ */
+static const struct iio_chan_spec_ext_info ltc2688_toggle_sym_ext_info[] = {
+	LTC2688_CHAN_EXT_INFO("raw0", LTC2688_INPUT_A, IIO_SEPARATE,
+			      ltc2688_dac_input_read, ltc2688_dac_input_write),
+	LTC2688_CHAN_EXT_INFO("raw1", LTC2688_INPUT_B, IIO_SEPARATE,
+			      ltc2688_dac_input_read, ltc2688_dac_input_write),
+	LTC2688_CHAN_EXT_INFO("toggle_en", LTC2688_CMD_TOGGLE_DITHER_EN,
+			      IIO_SEPARATE, ltc2688_reg_bool_get,
+			      ltc2688_dither_toggle_set),
+	LTC2688_CHAN_EXT_INFO("powerdown", LTC2688_CMD_POWERDOWN, IIO_SEPARATE,
+			      ltc2688_reg_bool_get, ltc2688_reg_bool_set),
+	LTC2688_CHAN_EXT_INFO("symbol", LTC2688_CMD_SW_TOGGLE, IIO_SEPARATE,
+			      ltc2688_reg_bool_get, ltc2688_reg_bool_set),
+	{}
+};
+
+static const struct iio_chan_spec_ext_info ltc2688_toggle_ext_info[] = {
+	LTC2688_CHAN_EXT_INFO("raw0", LTC2688_INPUT_A, IIO_SEPARATE,
+			      ltc2688_dac_input_read, ltc2688_dac_input_write),
+	LTC2688_CHAN_EXT_INFO("raw1", LTC2688_INPUT_B, IIO_SEPARATE,
+			      ltc2688_dac_input_read, ltc2688_dac_input_write),
+	LTC2688_CHAN_EXT_INFO("toggle_en", LTC2688_CMD_TOGGLE_DITHER_EN,
+			      IIO_SEPARATE, ltc2688_reg_bool_get,
+			      ltc2688_dither_toggle_set),
+	LTC2688_CHAN_EXT_INFO("powerdown", LTC2688_CMD_POWERDOWN, IIO_SEPARATE,
+			      ltc2688_reg_bool_get, ltc2688_reg_bool_set),
+	{}
+};
+
+static struct iio_chan_spec_ext_info ltc2688_dither_ext_info[] = {
+	LTC2688_CHAN_EXT_INFO("dither_raw", LTC2688_INPUT_B, IIO_SEPARATE,
+			      ltc2688_dac_input_read, ltc2688_dac_input_write),
+	LTC2688_CHAN_EXT_INFO("dither_raw_available", LTC2688_INPUT_B_AVAIL,
+			      IIO_SEPARATE, ltc2688_dac_input_read,
+			      ltc2688_dac_input_write),
+	LTC2688_CHAN_EXT_INFO("dither_offset", LTC2688_DITHER_OFF, IIO_SEPARATE,
+			      ltc2688_dac_input_read, ltc2688_dac_input_write),
+	/*
+	 * Not IIO_ENUM because the available freq needs to be computed at
+	 * probe. We could still use it, but it didn't felt much right.
+	 */
+	LTC2688_CHAN_EXT_INFO("dither_frequency", 0, IIO_SEPARATE,
+			      ltc2688_dither_freq_get, ltc2688_dither_freq_set),
+	LTC2688_CHAN_EXT_INFO("dither_frequency_available",
+			      LTC2688_DITHER_FREQ_AVAIL, IIO_SEPARATE,
+			      ltc2688_dither_freq_get, ltc2688_dither_freq_set),
+	IIO_ENUM("dither_phase", IIO_SEPARATE, &ltc2688_dither_phase_enum),
+	IIO_ENUM_AVAILABLE("dither_phase", IIO_SEPARATE,
+			   &ltc2688_dither_phase_enum),
+	LTC2688_CHAN_EXT_INFO("dither_en", LTC2688_CMD_TOGGLE_DITHER_EN,
+			      IIO_SEPARATE, ltc2688_reg_bool_get,
+			      ltc2688_dither_toggle_set),
+	LTC2688_CHAN_EXT_INFO("powerdown", LTC2688_CMD_POWERDOWN, IIO_SEPARATE,
+			      ltc2688_reg_bool_get, ltc2688_reg_bool_set),
+	{}
+};
+
+static const struct iio_chan_spec_ext_info ltc2688_ext_info[] = {
+	LTC2688_CHAN_EXT_INFO("powerdown", LTC2688_CMD_POWERDOWN, IIO_SEPARATE,
+			      ltc2688_reg_bool_get, ltc2688_reg_bool_set),
+	{}
+};
+
+#define LTC2688_CHANNEL(_chan) {					\
+	.type = IIO_VOLTAGE,						\
+	.indexed = 1,							\
+	.output = 1,							\
+	.channel = (_chan),						\
+	.info_mask_separate = BIT(IIO_CHAN_INFO_CALIBSCALE) |		\
+		BIT(IIO_CHAN_INFO_SCALE) | BIT(IIO_CHAN_INFO_OFFSET) |	\
+		BIT(IIO_CHAN_INFO_CALIBBIAS) | BIT(IIO_CHAN_INFO_RAW),	\
+	.info_mask_separate_available = BIT(IIO_CHAN_INFO_RAW),		\
+	.ext_info = ltc2688_ext_info,					\
+}
+
+static const struct iio_chan_spec ltc2688_channels[] = {
+	LTC2688_CHANNEL(0),
+	LTC2688_CHANNEL(1),
+	LTC2688_CHANNEL(2),
+	LTC2688_CHANNEL(3),
+	LTC2688_CHANNEL(4),
+	LTC2688_CHANNEL(5),
+	LTC2688_CHANNEL(6),
+	LTC2688_CHANNEL(7),
+	LTC2688_CHANNEL(8),
+	LTC2688_CHANNEL(9),
+	LTC2688_CHANNEL(10),
+	LTC2688_CHANNEL(11),
+	LTC2688_CHANNEL(12),
+	LTC2688_CHANNEL(13),
+	LTC2688_CHANNEL(14),
+	LTC2688_CHANNEL(15),
+};
+
+static void ltc2688_clk_disable(void *clk)
+{
+	clk_disable_unprepare(clk);
+}
+
+static const int ltc2688_period[LTC2688_DITHER_FREQ_AVAIL_N] = {
+	4, 8, 16, 32, 64,
+};
+
+static int ltc2688_tgp_clk_setup(struct ltc2688_state *st,
+				 struct ltc2688_chan *chan,
+				 struct fwnode_handle *node, int tgp)
+{
+	unsigned long rate;
+	struct clk *clk;
+	int ret, f;
+
+	clk = devm_get_clk_from_child(&st->spi->dev, to_of_node(node), NULL);
+	if (IS_ERR(clk))
+		return dev_err_probe(&st->spi->dev, PTR_ERR(clk),
+				     "failed to get tgp clk.\n");
+
+	ret = clk_prepare_enable(clk);
+	if (ret)
+		return dev_err_probe(&st->spi->dev, ret,
+				     "failed to enable tgp clk.\n");
+
+	ret = devm_add_action_or_reset(&st->spi->dev, ltc2688_clk_disable, clk);
+	if (ret)
+		return ret;
+
+	if (chan->toggle_chan)
+		return 0;
+
+	/* calculate available dither frequencies */
+	rate = clk_get_rate(clk);
+	for (f = 0; f < ARRAY_SIZE(chan->dither_frequency); f++)
+		chan->dither_frequency[f] = DIV_ROUND_CLOSEST(rate, ltc2688_period[f]);
+
+	return 0;
+}
+
+static int ltc2688_span_lookup(const struct ltc2688_state *st, int min, int max)
+{
+	u32 span;
+
+	for (span = 0; span < ARRAY_SIZE(ltc2688_span_helper); span++) {
+		if (min == ltc2688_span_helper[span][0] &&
+		    max == ltc2688_span_helper[span][1])
+			return span;
+	}
+
+	return -EINVAL;
+}
+
+static int ltc2688_channel_config(struct ltc2688_state *st)
+{
+	struct device *dev = &st->spi->dev;
+	struct fwnode_handle *child;
+	u32 reg, clk_input, val, tmp[2];
+	int ret, span;
+
+	device_for_each_child_node(dev, child) {
+		struct ltc2688_chan *chan;
+
+		ret = fwnode_property_read_u32(child, "reg", &reg);
+		if (ret) {
+			fwnode_handle_put(child);
+			return dev_err_probe(dev, ret,
+					     "Failed to get reg property\n");
+		}
+
+		if (reg >= LTC2688_DAC_CHANNELS) {
+			fwnode_handle_put(child);
+			return dev_err_probe(dev, -EINVAL,
+					     "reg bigger than: %d\n",
+					     LTC2688_DAC_CHANNELS);
+		}
+
+		val = 0;
+		chan = &st->channels[reg];
+		if (fwnode_property_read_bool(child, "adi,toggle-mode")) {
+			chan->toggle_chan = true;
+			/* assume sw toggle ABI */
+			st->iio_chan[reg].ext_info = ltc2688_toggle_sym_ext_info;
+			/*
+			 * Clear IIO_CHAN_INFO_RAW bit as toggle channels expose
+			 * out_voltage_raw{0|1} files.
+			 */
+			__clear_bit(IIO_CHAN_INFO_RAW,
+				    &st->iio_chan[reg].info_mask_separate);
+		}
+
+		ret = fwnode_property_read_u32_array(child, "adi,output-range-microvolt",
+						     tmp, ARRAY_SIZE(tmp));
+		if (!ret) {
+			span = ltc2688_span_lookup(st, (int)tmp[0] / 1000,
+						   tmp[1] / 1000);
+			if (span < 0) {
+				fwnode_handle_put(child);
+				return dev_err_probe(dev, -EINVAL,
+						     "output range not valid:[%d %d]\n",
+						     tmp[0], tmp[1]);
+			}
+
+			val |= FIELD_PREP(LTC2688_CH_SPAN_MSK, span);
+		}
+
+		ret = fwnode_property_read_u32(child, "adi,toggle-dither-input",
+					       &clk_input);
+		if (!ret) {
+			if (clk_input >= LTC2688_CH_TGP_MAX) {
+				fwnode_handle_put(child);
+				return dev_err_probe(dev, -EINVAL,
+						     "toggle-dither-input inv value(%d)\n",
+						     clk_input);
+			}
+
+			ret = ltc2688_tgp_clk_setup(st, chan, child, clk_input);
+			if (ret) {
+				fwnode_handle_put(child);
+				return ret;
+			}
+
+			/*
+			 * 0 means software toggle which is the default mode.
+			 * Hence the +1.
+			 */
+			val |= FIELD_PREP(LTC2688_CH_TD_SEL_MSK, clk_input + 1);
+
+			/*
+			 * If a TGPx is given, we automatically assume a dither
+			 * capable channel (unless toggle is already enabled).
+			 * On top of this we just set here the dither bit in the
+			 * channel settings. It won't have any effect until the
+			 * global toggle/dither bit is enabled.
+			 */
+			if (!chan->toggle_chan) {
+				val |= FIELD_PREP(LTC2688_CH_MODE_MSK, 1);
+				st->iio_chan[reg].ext_info = ltc2688_dither_ext_info;
+			} else {
+				/* wait, no sw toggle after all */
+				st->iio_chan[reg].ext_info = ltc2688_toggle_ext_info;
+			}
+		}
+
+		if (fwnode_property_read_bool(child, "adi,overrange")) {
+			chan->overrange = true;
+			val |= LTC2688_CH_OVERRANGE_MSK;
+		}
+
+		if (!val)
+			continue;
+
+		ret = regmap_write(st->regmap, LTC2688_CMD_CH_SETTING(reg),
+				   val);
+		if (ret) {
+			fwnode_handle_put(child);
+			return dev_err_probe(dev, -EINVAL,
+					     "failed to set chan settings\n");
+		}
+	}
+
+	return 0;
+}
+
+static int ltc2688_setup(struct ltc2688_state *st, struct regulator *vref)
+{
+	struct gpio_desc *gpio;
+	int ret;
+
+	/*
+	 * If we have a reset pin, use that to reset the board, If not, use
+	 * the reset bit.
+	 */
+	gpio = devm_gpiod_get_optional(&st->spi->dev, "clr", GPIOD_OUT_HIGH);
+	if (IS_ERR(gpio))
+		return dev_err_probe(&st->spi->dev, PTR_ERR(gpio),
+				     "Failed to get reset gpio");
+	if (gpio) {
+		usleep_range(1000, 1200);
+		/* bring device out of reset */
+		gpiod_set_value_cansleep(gpio, 0);
+	} else {
+		ret = regmap_update_bits(st->regmap, LTC2688_CMD_CONFIG,
+					 LTC2688_CONFIG_RST,
+					 LTC2688_CONFIG_RST);
+		if (ret)
+			return ret;
+	}
+
+	usleep_range(10000, 12000);
+
+	/*
+	 * Duplicate the default channel configuration as it can change during
+	 * @ltc2688_channel_config()
+	 */
+	st->iio_chan = devm_kmemdup(&st->spi->dev, ltc2688_channels,
+				    sizeof(ltc2688_channels), GFP_KERNEL);
+	if (!st->iio_chan)
+		return -ENOMEM;
+
+	ret = ltc2688_channel_config(st);
+	if (ret)
+		return ret;
+
+	if (!vref)
+		return 0;
+
+	return regmap_set_bits(st->regmap, LTC2688_CMD_CONFIG,
+			       LTC2688_CONFIG_EXT_REF);
+}
+
+static void ltc2688_disable_regulators(void *data)
+{
+	struct ltc2688_state *st = data;
+
+	regulator_bulk_disable(ARRAY_SIZE(st->regulators), st->regulators);
+}
+
+static void ltc2688_disable_regulator(void *regulator)
+{
+	regulator_disable(regulator);
+}
+
+static bool ltc2688_reg_readable(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case LTC2688_CMD_CH_CODE(0) ... LTC2688_CMD_CH_GAIN(15):
+		return true;
+	case LTC2688_CMD_CONFIG ... LTC2688_CMD_THERMAL_STAT:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static bool ltc2688_reg_writable(struct device *dev, unsigned int reg)
+{
+	/*
+	 * There's a jump from 0x76 to 0x78 in the write codes and the thermal
+	 * status code is 0x77 (which is read only) so that we need to check
+	 * that special condition.
+	 */
+	if (reg <= LTC2688_CMD_UPDATE_ALL && reg != LTC2688_CMD_THERMAL_STAT)
+		return true;
+
+	return false;
+}
+
+static struct regmap_bus ltc2688_regmap_bus = {
+	.read = ltc2688_spi_read,
+	.write = ltc2688_spi_write,
+	.read_flag_mask = LTC2688_READ_OPERATION,
+	.reg_format_endian_default = REGMAP_ENDIAN_BIG,
+	.val_format_endian_default = REGMAP_ENDIAN_BIG,
+};
+
+static const struct regmap_config ltc2688_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 16,
+	.readable_reg = ltc2688_reg_readable,
+	.writeable_reg = ltc2688_reg_writable,
+	/* ignoring the no op command */
+	.max_register = LTC2688_CMD_UPDATE_ALL,
+};
+
+static const struct iio_info ltc2688_info = {
+	.write_raw = ltc2688_write_raw,
+	.read_raw = ltc2688_read_raw,
+	.read_avail = ltc2688_read_avail,
+	.debugfs_reg_access = ltc2688_reg_access,
+};
+
+static int ltc2688_probe(struct spi_device *spi)
+{
+	struct ltc2688_state *st;
+	struct iio_dev *indio_dev;
+	struct regulator *vref_reg;
+	struct device *dev = &spi->dev;
+	int ret;
+
+	indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
+	if (!indio_dev)
+		return -ENOMEM;
+
+	st = iio_priv(indio_dev);
+	st->spi = spi;
+
+	/* Just write this once. No need to do it in every regmap read. */
+	st->tx_data[3] = LTC2688_CMD_NOOP;
+	mutex_init(&st->lock);
+
+	st->regmap = devm_regmap_init(dev, &ltc2688_regmap_bus, st,
+				      &ltc2688_regmap_config);
+	if (IS_ERR(st->regmap))
+		return dev_err_probe(dev, PTR_ERR(st->regmap),
+				     "Failed to init regmap");
+
+	st->regulators[0].supply = "vcc";
+	st->regulators[1].supply = "iovcc";
+	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(st->regulators),
+				      st->regulators);
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to get regulators\n");
+
+	ret = regulator_bulk_enable(ARRAY_SIZE(st->regulators), st->regulators);
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to enable regulators\n");
+
+	ret = devm_add_action_or_reset(dev, ltc2688_disable_regulators, st);
+	if (ret)
+		return ret;
+
+	vref_reg = devm_regulator_get_optional(dev, "vref");
+	if (IS_ERR(vref_reg)) {
+		if (PTR_ERR(vref_reg) != -ENODEV)
+			return dev_err_probe(dev, PTR_ERR(vref_reg),
+					     "Failed to get vref regulator");
+
+		vref_reg = NULL;
+		/* internal reference */
+		st->vref = 4096;
+	} else {
+		ret = regulator_enable(vref_reg);
+		if (ret)
+			return dev_err_probe(dev, ret,
+					     "Failed to enable vref regulators\n");
+
+		ret = devm_add_action_or_reset(dev, ltc2688_disable_regulator,
+					       vref_reg);
+		if (ret)
+			return ret;
+
+		ret = regulator_get_voltage(vref_reg);
+		if (ret < 0)
+			return dev_err_probe(dev, ret, "Failed to get vref\n");
+
+		st->vref = ret / 1000;
+	}
+
+	ret = ltc2688_setup(st, vref_reg);
+	if (ret)
+		return ret;
+
+	indio_dev->name = "ltc2688";
+	indio_dev->info = &ltc2688_info;
+	indio_dev->modes = INDIO_DIRECT_MODE;
+	indio_dev->channels = st->iio_chan;
+	indio_dev->num_channels = ARRAY_SIZE(ltc2688_channels);
+
+	return devm_iio_device_register(dev, indio_dev);
+}
+
+static const struct of_device_id ltc2688_of_id[] = {
+	{ .compatible = "adi,ltc2688" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, ltc2688_of_id);
+
+static const struct spi_device_id ltc2688_id[] = {
+	{ "ltc2688" },
+	{}
+};
+MODULE_DEVICE_TABLE(spi, ltc2688_id);
+
+static struct spi_driver ltc2688_driver = {
+	.driver = {
+		.name = "ltc2688",
+		.of_match_table = ltc2688_of_id,
+	},
+	.probe = ltc2688_probe,
+	.id_table = ltc2688_id,
+};
+module_spi_driver(ltc2688_driver);
+
+MODULE_AUTHOR("Nuno Sá <nuno.sa@analog.com>");
+MODULE_DESCRIPTION("Analog Devices LTC2688 DAC");
+MODULE_LICENSE("GPL");
diff --git a/drivers/iio/dac/m62332.c b/drivers/iio/dac/m62332.c
index 225b1a374dc1..22b02f50fe41 100644
--- a/drivers/iio/dac/m62332.c
+++ b/drivers/iio/dac/m62332.c
@@ -25,9 +25,7 @@ struct m62332_data {
 	struct regulator	*vcc;
 	struct mutex		mutex;
 	u8			raw[M62332_CHANNELS];
-#ifdef CONFIG_PM_SLEEP
 	u8			save[M62332_CHANNELS];
-#endif
 };
 
 static int m62332_set_value(struct iio_dev *indio_dev, u8 val, int channel)
@@ -124,7 +122,6 @@ static int m62332_write_raw(struct iio_dev *indio_dev,
 	return -EINVAL;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int m62332_suspend(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
@@ -156,11 +153,7 @@ static int m62332_resume(struct device *dev)
 	return m62332_set_value(indio_dev, data->save[1], 1);
 }
 
-static SIMPLE_DEV_PM_OPS(m62332_pm_ops, m62332_suspend, m62332_resume);
-#define M62332_PM_OPS (&m62332_pm_ops)
-#else
-#define M62332_PM_OPS NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(m62332_pm_ops, m62332_suspend, m62332_resume);
 
 static const struct iio_info m62332_info = {
 	.read_raw = m62332_read_raw,
@@ -246,7 +239,7 @@ MODULE_DEVICE_TABLE(i2c, m62332_id);
 static struct i2c_driver m62332_driver = {
 	.driver = {
 		.name	= "m62332",
-		.pm	= M62332_PM_OPS,
+		.pm	= pm_sleep_ptr(&m62332_pm_ops),
 	},
 	.probe		= m62332_probe,
 	.remove		= m62332_remove,
diff --git a/drivers/iio/dac/stm32-dac-core.c b/drivers/iio/dac/stm32-dac-core.c
index bd7a3b20e645..83bf184e3adc 100644
--- a/drivers/iio/dac/stm32-dac-core.c
+++ b/drivers/iio/dac/stm32-dac-core.c
@@ -195,7 +195,7 @@ static int stm32_dac_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static int __maybe_unused stm32_dac_core_resume(struct device *dev)
+static int stm32_dac_core_resume(struct device *dev)
 {
 	struct stm32_dac_common *common = dev_get_drvdata(dev);
 	struct stm32_dac_priv *priv = to_stm32_dac_priv(common);
@@ -213,23 +213,23 @@ static int __maybe_unused stm32_dac_core_resume(struct device *dev)
 	return pm_runtime_force_resume(dev);
 }
 
-static int __maybe_unused stm32_dac_core_runtime_suspend(struct device *dev)
+static int stm32_dac_core_runtime_suspend(struct device *dev)
 {
 	stm32_dac_core_hw_stop(dev);
 
 	return 0;
 }
 
-static int __maybe_unused stm32_dac_core_runtime_resume(struct device *dev)
+static int stm32_dac_core_runtime_resume(struct device *dev)
 {
 	return stm32_dac_core_hw_start(dev);
 }
 
 static const struct dev_pm_ops stm32_dac_core_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, stm32_dac_core_resume)
-	SET_RUNTIME_PM_OPS(stm32_dac_core_runtime_suspend,
-			   stm32_dac_core_runtime_resume,
-			   NULL)
+	SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, stm32_dac_core_resume)
+	RUNTIME_PM_OPS(stm32_dac_core_runtime_suspend,
+		       stm32_dac_core_runtime_resume,
+		       NULL)
 };
 
 static const struct stm32_dac_cfg stm32h7_dac_cfg = {
@@ -253,7 +253,7 @@ static struct platform_driver stm32_dac_driver = {
 	.driver = {
 		.name = "stm32-dac-core",
 		.of_match_table = stm32_dac_of_match,
-		.pm = &stm32_dac_core_pm_ops,
+		.pm = pm_ptr(&stm32_dac_core_pm_ops),
 	},
 };
 module_platform_driver(stm32_dac_driver);
diff --git a/drivers/iio/dac/stm32-dac.c b/drivers/iio/dac/stm32-dac.c
index cd71cc4553a7..b20192a071cb 100644
--- a/drivers/iio/dac/stm32-dac.c
+++ b/drivers/iio/dac/stm32-dac.c
@@ -372,7 +372,7 @@ static int stm32_dac_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static int __maybe_unused stm32_dac_suspend(struct device *dev)
+static int stm32_dac_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = dev_get_drvdata(dev);
 	int channel = indio_dev->channels[0].channel;
@@ -386,9 +386,8 @@ static int __maybe_unused stm32_dac_suspend(struct device *dev)
 	return pm_runtime_force_suspend(dev);
 }
 
-static const struct dev_pm_ops stm32_dac_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(stm32_dac_suspend, pm_runtime_force_resume)
-};
+static DEFINE_SIMPLE_DEV_PM_OPS(stm32_dac_pm_ops, stm32_dac_suspend,
+				pm_runtime_force_resume);
 
 static const struct of_device_id stm32_dac_of_match[] = {
 	{ .compatible = "st,stm32-dac", },
@@ -402,7 +401,7 @@ static struct platform_driver stm32_dac_driver = {
 	.driver = {
 		.name = "stm32-dac",
 		.of_match_table = stm32_dac_of_match,
-		.pm = &stm32_dac_pm_ops,
+		.pm = pm_sleep_ptr(&stm32_dac_pm_ops),
 	},
 };
 module_platform_driver(stm32_dac_driver);
diff --git a/drivers/iio/dac/vf610_dac.c b/drivers/iio/dac/vf610_dac.c
index 636b4009f763..92429c0d2685 100644
--- a/drivers/iio/dac/vf610_dac.c
+++ b/drivers/iio/dac/vf610_dac.c
@@ -242,7 +242,6 @@ static int vf610_dac_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int vf610_dac_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = dev_get_drvdata(dev);
@@ -268,9 +267,9 @@ static int vf610_dac_resume(struct device *dev)
 
 	return 0;
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(vf610_dac_pm_ops, vf610_dac_suspend, vf610_dac_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(vf610_dac_pm_ops, vf610_dac_suspend,
+				vf610_dac_resume);
 
 static struct platform_driver vf610_dac_driver = {
 	.probe          = vf610_dac_probe,
@@ -278,7 +277,7 @@ static struct platform_driver vf610_dac_driver = {
 	.driver         = {
 		.name   = "vf610-dac",
 		.of_match_table = vf610_dac_match,
-		.pm     = &vf610_dac_pm_ops,
+		.pm     = pm_sleep_ptr(&vf610_dac_pm_ops),
 	},
 };
 module_platform_driver(vf610_dac_driver);
diff --git a/drivers/iio/frequency/Kconfig b/drivers/iio/frequency/Kconfig
index b44036f843af..f3702f36436c 100644
--- a/drivers/iio/frequency/Kconfig
+++ b/drivers/iio/frequency/Kconfig
@@ -60,6 +60,26 @@ config ADMV1013
 	  To compile this driver as a module, choose M here: the
 	  module will be called admv1013.
 
+config ADMV1014
+	tristate "Analog Devices ADMV1014 Microwave Downconverter"
+	depends on SPI && COMMON_CLK && 64BIT
+	help
+	  Say yes here to build support for Analog Devices ADMV1014
+	  24 GHz to 44 GHz, Wideband, Microwave Downconverter.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called admv1014.
+
+config ADMV4420
+       tristate "Analog Devices ADMV4420 K Band Downconverter"
+       depends on SPI
+       help
+         Say yes here to build support for Analog Devices K Band
+         Downconverter with integrated Fractional-N PLL and VCO.
+
+         To compile this driver as a module, choose M here: the
+         module will be called admv4420.
+
 config ADRF6780
         tristate "Analog Devices ADRF6780 Microwave Upconverter"
         depends on SPI
diff --git a/drivers/iio/frequency/Makefile b/drivers/iio/frequency/Makefile
index ae6899856c99..48add732f1d3 100644
--- a/drivers/iio/frequency/Makefile
+++ b/drivers/iio/frequency/Makefile
@@ -8,4 +8,6 @@ obj-$(CONFIG_AD9523) += ad9523.o
 obj-$(CONFIG_ADF4350) += adf4350.o
 obj-$(CONFIG_ADF4371) += adf4371.o
 obj-$(CONFIG_ADMV1013) += admv1013.o
+obj-$(CONFIG_ADMV1014) += admv1014.o
+obj-$(CONFIG_ADMV4420) += admv4420.o
 obj-$(CONFIG_ADRF6780) += adrf6780.o
diff --git a/drivers/iio/frequency/ad9523.c b/drivers/iio/frequency/ad9523.c
index bdb0bc3b12dd..a0f92c336fc4 100644
--- a/drivers/iio/frequency/ad9523.c
+++ b/drivers/iio/frequency/ad9523.c
@@ -551,7 +551,7 @@ static ssize_t ad9523_show(struct device *dev,
 	mutex_lock(&st->lock);
 	ret = ad9523_read(indio_dev, AD9523_READBACK_0);
 	if (ret >= 0) {
-		ret = sprintf(buf, "%d\n", !!(ret & (1 <<
+		ret = sysfs_emit(buf, "%d\n", !!(ret & (1 <<
 			(u32)this_attr->address)));
 	}
 	mutex_unlock(&st->lock);
diff --git a/drivers/iio/frequency/adf4350.c b/drivers/iio/frequency/adf4350.c
index f3521330f6fb..be1218d86291 100644
--- a/drivers/iio/frequency/adf4350.c
+++ b/drivers/iio/frequency/adf4350.c
@@ -7,17 +7,18 @@
 
 #include <linux/device.h>
 #include <linux/kernel.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/property.h>
 #include <linux/slab.h>
 #include <linux/sysfs.h>
 #include <linux/spi/spi.h>
 #include <linux/regulator/consumer.h>
 #include <linux/err.h>
-#include <linux/module.h>
 #include <linux/gcd.h>
 #include <linux/gpio/consumer.h>
 #include <asm/div64.h>
 #include <linux/clk.h>
-#include <linux/of.h>
 
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
@@ -381,10 +382,8 @@ static const struct iio_info adf4350_info = {
 	.debugfs_reg_access = &adf4350_reg_access,
 };
 
-#ifdef CONFIG_OF
 static struct adf4350_platform_data *adf4350_parse_dt(struct device *dev)
 {
-	struct device_node *np = dev->of_node;
 	struct adf4350_platform_data *pdata;
 	unsigned int tmp;
 
@@ -392,101 +391,83 @@ static struct adf4350_platform_data *adf4350_parse_dt(struct device *dev)
 	if (!pdata)
 		return NULL;
 
-	snprintf(&pdata->name[0], SPI_NAME_SIZE - 1, "%pOFn", np);
+	snprintf(pdata->name, sizeof(pdata->name), "%pfw", dev_fwnode(dev));
 
 	tmp = 10000;
-	of_property_read_u32(np, "adi,channel-spacing", &tmp);
+	device_property_read_u32(dev, "adi,channel-spacing", &tmp);
 	pdata->channel_spacing = tmp;
 
 	tmp = 0;
-	of_property_read_u32(np, "adi,power-up-frequency", &tmp);
+	device_property_read_u32(dev, "adi,power-up-frequency", &tmp);
 	pdata->power_up_frequency = tmp;
 
 	tmp = 0;
-	of_property_read_u32(np, "adi,reference-div-factor", &tmp);
+	device_property_read_u32(dev, "adi,reference-div-factor", &tmp);
 	pdata->ref_div_factor = tmp;
 
-	pdata->ref_doubler_en = of_property_read_bool(np,
-			"adi,reference-doubler-enable");
-	pdata->ref_div2_en = of_property_read_bool(np,
-			"adi,reference-div2-enable");
+	pdata->ref_doubler_en = device_property_read_bool(dev, "adi,reference-doubler-enable");
+	pdata->ref_div2_en = device_property_read_bool(dev, "adi,reference-div2-enable");
 
 	/* r2_user_settings */
-	pdata->r2_user_settings = of_property_read_bool(np,
-			"adi,phase-detector-polarity-positive-enable") ?
-			ADF4350_REG2_PD_POLARITY_POS : 0;
-	pdata->r2_user_settings |= of_property_read_bool(np,
-			"adi,lock-detect-precision-6ns-enable") ?
-			ADF4350_REG2_LDP_6ns : 0;
-	pdata->r2_user_settings |= of_property_read_bool(np,
-			"adi,lock-detect-function-integer-n-enable") ?
-			ADF4350_REG2_LDF_INT_N : 0;
+	pdata->r2_user_settings = 0;
+	if (device_property_read_bool(dev, "adi,phase-detector-polarity-positive-enable"))
+		pdata->r2_user_settings |= ADF4350_REG2_PD_POLARITY_POS;
+	if (device_property_read_bool(dev, "adi,lock-detect-precision-6ns-enable"))
+		pdata->r2_user_settings |= ADF4350_REG2_LDP_6ns;
+	if (device_property_read_bool(dev, "adi,lock-detect-function-integer-n-enable"))
+		pdata->r2_user_settings |= ADF4350_REG2_LDF_INT_N;
 
 	tmp = 2500;
-	of_property_read_u32(np, "adi,charge-pump-current", &tmp);
+	device_property_read_u32(dev, "adi,charge-pump-current", &tmp);
 	pdata->r2_user_settings |= ADF4350_REG2_CHARGE_PUMP_CURR_uA(tmp);
 
 	tmp = 0;
-	of_property_read_u32(np, "adi,muxout-select", &tmp);
+	device_property_read_u32(dev, "adi,muxout-select", &tmp);
 	pdata->r2_user_settings |= ADF4350_REG2_MUXOUT(tmp);
 
-	pdata->r2_user_settings |= of_property_read_bool(np,
-			"adi,low-spur-mode-enable") ?
-			ADF4350_REG2_NOISE_MODE(0x3) : 0;
+	if (device_property_read_bool(dev, "adi,low-spur-mode-enable"))
+		pdata->r2_user_settings |= ADF4350_REG2_NOISE_MODE(0x3);
 
 	/* r3_user_settings */
 
-	pdata->r3_user_settings = of_property_read_bool(np,
-			"adi,cycle-slip-reduction-enable") ?
-			ADF4350_REG3_12BIT_CSR_EN : 0;
-	pdata->r3_user_settings |= of_property_read_bool(np,
-			"adi,charge-cancellation-enable") ?
-			ADF4351_REG3_CHARGE_CANCELLATION_EN : 0;
-
-	pdata->r3_user_settings |= of_property_read_bool(np,
-			"adi,anti-backlash-3ns-enable") ?
-			ADF4351_REG3_ANTI_BACKLASH_3ns_EN : 0;
-	pdata->r3_user_settings |= of_property_read_bool(np,
-			"adi,band-select-clock-mode-high-enable") ?
-			ADF4351_REG3_BAND_SEL_CLOCK_MODE_HIGH : 0;
+	pdata->r3_user_settings = 0;
+	if (device_property_read_bool(dev, "adi,cycle-slip-reduction-enable"))
+		pdata->r3_user_settings |= ADF4350_REG3_12BIT_CSR_EN;
+	if (device_property_read_bool(dev, "adi,charge-cancellation-enable"))
+		pdata->r3_user_settings |= ADF4351_REG3_CHARGE_CANCELLATION_EN;
+	if (device_property_read_bool(dev, "adi,anti-backlash-3ns-enable"))
+		pdata->r3_user_settings |= ADF4351_REG3_ANTI_BACKLASH_3ns_EN;
+	if (device_property_read_bool(dev, "adi,band-select-clock-mode-high-enable"))
+		pdata->r3_user_settings |= ADF4351_REG3_BAND_SEL_CLOCK_MODE_HIGH;
 
 	tmp = 0;
-	of_property_read_u32(np, "adi,12bit-clk-divider", &tmp);
+	device_property_read_u32(dev, "adi,12bit-clk-divider", &tmp);
 	pdata->r3_user_settings |= ADF4350_REG3_12BIT_CLKDIV(tmp);
 
 	tmp = 0;
-	of_property_read_u32(np, "adi,clk-divider-mode", &tmp);
+	device_property_read_u32(dev, "adi,clk-divider-mode", &tmp);
 	pdata->r3_user_settings |= ADF4350_REG3_12BIT_CLKDIV_MODE(tmp);
 
 	/* r4_user_settings */
 
-	pdata->r4_user_settings = of_property_read_bool(np,
-			"adi,aux-output-enable") ?
-			ADF4350_REG4_AUX_OUTPUT_EN : 0;
-	pdata->r4_user_settings |= of_property_read_bool(np,
-			"adi,aux-output-fundamental-enable") ?
-			ADF4350_REG4_AUX_OUTPUT_FUND : 0;
-	pdata->r4_user_settings |= of_property_read_bool(np,
-			"adi,mute-till-lock-enable") ?
-			ADF4350_REG4_MUTE_TILL_LOCK_EN : 0;
+	pdata->r4_user_settings = 0;
+	if (device_property_read_bool(dev, "adi,aux-output-enable"))
+		pdata->r4_user_settings |= ADF4350_REG4_AUX_OUTPUT_EN;
+	if (device_property_read_bool(dev, "adi,aux-output-fundamental-enable"))
+		pdata->r4_user_settings |= ADF4350_REG4_AUX_OUTPUT_FUND;
+	if (device_property_read_bool(dev, "adi,mute-till-lock-enable"))
+		pdata->r4_user_settings |= ADF4350_REG4_MUTE_TILL_LOCK_EN;
 
 	tmp = 0;
-	of_property_read_u32(np, "adi,output-power", &tmp);
+	device_property_read_u32(dev, "adi,output-power", &tmp);
 	pdata->r4_user_settings |= ADF4350_REG4_OUTPUT_PWR(tmp);
 
 	tmp = 0;
-	of_property_read_u32(np, "adi,aux-output-power", &tmp);
+	device_property_read_u32(dev, "adi,aux-output-power", &tmp);
 	pdata->r4_user_settings |= ADF4350_REG4_AUX_OUTPUT_PWR(tmp);
 
 	return pdata;
 }
-#else
-static
-struct adf4350_platform_data *adf4350_parse_dt(struct device *dev)
-{
-	return NULL;
-}
-#endif
 
 static int adf4350_probe(struct spi_device *spi)
 {
@@ -496,7 +477,7 @@ static int adf4350_probe(struct spi_device *spi)
 	struct clk *clk = NULL;
 	int ret;
 
-	if (spi->dev.of_node) {
+	if (dev_fwnode(&spi->dev)) {
 		pdata = adf4350_parse_dt(&spi->dev);
 		if (pdata == NULL)
 			return -EINVAL;
@@ -623,7 +604,7 @@ MODULE_DEVICE_TABLE(spi, adf4350_id);
 static struct spi_driver adf4350_driver = {
 	.driver = {
 		.name	= "adf4350",
-		.of_match_table = of_match_ptr(adf4350_of_match),
+		.of_match_table = adf4350_of_match,
 	},
 	.probe		= adf4350_probe,
 	.remove		= adf4350_remove,
diff --git a/drivers/iio/frequency/admv1013.c b/drivers/iio/frequency/admv1013.c
index 3f3c478e9baa..b0e1f6571afb 100644
--- a/drivers/iio/frequency/admv1013.c
+++ b/drivers/iio/frequency/admv1013.c
@@ -630,7 +630,7 @@ static int admv1013_probe(struct spi_device *spi)
 }
 
 static const struct spi_device_id admv1013_id[] = {
-	{ "admv1013", 0},
+	{ "admv1013", 0 },
 	{}
 };
 MODULE_DEVICE_TABLE(spi, admv1013_id);
diff --git a/drivers/iio/frequency/admv1014.c b/drivers/iio/frequency/admv1014.c
new file mode 100644
index 000000000000..a7994f8e6b9b
--- /dev/null
+++ b/drivers/iio/frequency/admv1014.c
@@ -0,0 +1,823 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * ADMV1014 driver
+ *
+ * Copyright 2022 Analog Devices Inc.
+ */
+
+#include <linux/bitfield.h>
+#include <linux/bits.h>
+#include <linux/clk.h>
+#include <linux/clkdev.h>
+#include <linux/device.h>
+#include <linux/iio/iio.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/notifier.h>
+#include <linux/property.h>
+#include <linux/regulator/consumer.h>
+#include <linux/spi/spi.h>
+#include <linux/units.h>
+
+#include <asm/unaligned.h>
+
+/* ADMV1014 Register Map */
+#define ADMV1014_REG_SPI_CONTROL		0x00
+#define ADMV1014_REG_ALARM			0x01
+#define ADMV1014_REG_ALARM_MASKS		0x02
+#define ADMV1014_REG_ENABLE			0x03
+#define ADMV1014_REG_QUAD			0x04
+#define ADMV1014_REG_LO_AMP_PHASE_ADJUST1	0x05
+#define ADMV1014_REG_MIXER			0x07
+#define ADMV1014_REG_IF_AMP			0x08
+#define ADMV1014_REG_IF_AMP_BB_AMP		0x09
+#define ADMV1014_REG_BB_AMP_AGC			0x0A
+#define ADMV1014_REG_VVA_TEMP_COMP		0x0B
+
+/* ADMV1014_REG_SPI_CONTROL Map */
+#define ADMV1014_PARITY_EN_MSK			BIT(15)
+#define ADMV1014_SPI_SOFT_RESET_MSK		BIT(14)
+#define ADMV1014_CHIP_ID_MSK			GENMASK(11, 4)
+#define ADMV1014_CHIP_ID			0x9
+#define ADMV1014_REVISION_ID_MSK		GENMASK(3, 0)
+
+/* ADMV1014_REG_ALARM Map */
+#define ADMV1014_PARITY_ERROR_MSK		BIT(15)
+#define ADMV1014_TOO_FEW_ERRORS_MSK		BIT(14)
+#define ADMV1014_TOO_MANY_ERRORS_MSK		BIT(13)
+#define ADMV1014_ADDRESS_RANGE_ERROR_MSK	BIT(12)
+
+/* ADMV1014_REG_ENABLE Map */
+#define ADMV1014_IBIAS_PD_MSK			BIT(14)
+#define ADMV1014_P1DB_COMPENSATION_MSK		GENMASK(13, 12)
+#define ADMV1014_IF_AMP_PD_MSK			BIT(11)
+#define ADMV1014_QUAD_BG_PD_MSK			BIT(9)
+#define ADMV1014_BB_AMP_PD_MSK			BIT(8)
+#define ADMV1014_QUAD_IBIAS_PD_MSK		BIT(7)
+#define ADMV1014_DET_EN_MSK			BIT(6)
+#define ADMV1014_BG_PD_MSK			BIT(5)
+
+/* ADMV1014_REG_QUAD Map */
+#define ADMV1014_QUAD_SE_MODE_MSK		GENMASK(9, 6)
+#define ADMV1014_QUAD_FILTERS_MSK		GENMASK(3, 0)
+
+/* ADMV1014_REG_LO_AMP_PHASE_ADJUST1 Map */
+#define ADMV1014_LOAMP_PH_ADJ_I_FINE_MSK	GENMASK(15, 9)
+#define ADMV1014_LOAMP_PH_ADJ_Q_FINE_MSK	GENMASK(8, 2)
+
+/* ADMV1014_REG_MIXER Map */
+#define ADMV1014_MIXER_VGATE_MSK		GENMASK(15, 9)
+#define ADMV1014_DET_PROG_MSK			GENMASK(6, 0)
+
+/* ADMV1014_REG_IF_AMP Map */
+#define ADMV1014_IF_AMP_COARSE_GAIN_I_MSK	GENMASK(11, 8)
+#define ADMV1014_IF_AMP_FINE_GAIN_Q_MSK		GENMASK(7, 4)
+#define ADMV1014_IF_AMP_FINE_GAIN_I_MSK		GENMASK(3, 0)
+
+/* ADMV1014_REG_IF_AMP_BB_AMP Map */
+#define ADMV1014_IF_AMP_COARSE_GAIN_Q_MSK	GENMASK(15, 12)
+#define ADMV1014_BB_AMP_OFFSET_Q_MSK		GENMASK(9, 5)
+#define ADMV1014_BB_AMP_OFFSET_I_MSK		GENMASK(4, 0)
+
+/* ADMV1014_REG_BB_AMP_AGC Map */
+#define ADMV1014_BB_AMP_REF_GEN_MSK		GENMASK(6, 3)
+#define ADMV1014_BB_AMP_GAIN_CTRL_MSK		GENMASK(2, 1)
+#define ADMV1014_BB_SWITCH_HIGH_LOW_CM_MSK	BIT(0)
+
+/* ADMV1014_REG_VVA_TEMP_COMP Map */
+#define ADMV1014_VVA_TEMP_COMP_MSK		GENMASK(15, 0)
+
+/* ADMV1014 Miscellaneous Defines */
+#define ADMV1014_READ				BIT(7)
+#define ADMV1014_REG_ADDR_READ_MSK		GENMASK(6, 1)
+#define ADMV1014_REG_ADDR_WRITE_MSK		GENMASK(22, 17)
+#define ADMV1014_REG_DATA_MSK			GENMASK(16, 1)
+#define ADMV1014_NUM_REGULATORS			9
+
+enum {
+	ADMV1014_IQ_MODE,
+	ADMV1014_IF_MODE,
+};
+
+enum {
+	ADMV1014_SE_MODE_POS = 6,
+	ADMV1014_SE_MODE_NEG = 9,
+	ADMV1014_SE_MODE_DIFF = 12,
+};
+
+enum {
+	ADMV1014_CALIBSCALE_COARSE,
+	ADMV1014_CALIBSCALE_FINE,
+};
+
+static const int detector_table[] = {0, 1, 2, 4, 8, 16, 32, 64};
+
+static const char * const input_mode_names[] = { "iq", "if" };
+
+static const char * const quad_se_mode_names[] = { "se-pos", "se-neg", "diff" };
+
+struct admv1014_state {
+	struct spi_device		*spi;
+	struct clk			*clkin;
+	struct notifier_block		nb;
+	/* Protect against concurrent accesses to the device and to data*/
+	struct mutex			lock;
+	struct regulator_bulk_data	regulators[ADMV1014_NUM_REGULATORS];
+	unsigned int			input_mode;
+	unsigned int			quad_se_mode;
+	unsigned int			p1db_comp;
+	bool				det_en;
+	u8				data[3] ____cacheline_aligned;
+};
+
+static const int mixer_vgate_table[] = {106, 107, 108, 110, 111, 112, 113, 114,
+					117, 118, 119, 120, 122, 123, 44, 45};
+
+static int __admv1014_spi_read(struct admv1014_state *st, unsigned int reg,
+			       unsigned int *val)
+{
+	struct spi_transfer t = {};
+	int ret;
+
+	st->data[0] = ADMV1014_READ | FIELD_PREP(ADMV1014_REG_ADDR_READ_MSK, reg);
+	st->data[1] = 0;
+	st->data[2] = 0;
+
+	t.rx_buf = &st->data[0];
+	t.tx_buf = &st->data[0];
+	t.len = sizeof(st->data);
+
+	ret = spi_sync_transfer(st->spi, &t, 1);
+	if (ret)
+		return ret;
+
+	*val = FIELD_GET(ADMV1014_REG_DATA_MSK, get_unaligned_be24(&st->data[0]));
+
+	return ret;
+}
+
+static int admv1014_spi_read(struct admv1014_state *st, unsigned int reg,
+			     unsigned int *val)
+{
+	int ret;
+
+	mutex_lock(&st->lock);
+	ret = __admv1014_spi_read(st, reg, val);
+	mutex_unlock(&st->lock);
+
+	return ret;
+}
+
+static int __admv1014_spi_write(struct admv1014_state *st,
+				unsigned int reg,
+				unsigned int val)
+{
+	put_unaligned_be24(FIELD_PREP(ADMV1014_REG_DATA_MSK, val) |
+			   FIELD_PREP(ADMV1014_REG_ADDR_WRITE_MSK, reg), &st->data[0]);
+
+	return spi_write(st->spi, &st->data[0], 3);
+}
+
+static int admv1014_spi_write(struct admv1014_state *st, unsigned int reg,
+			      unsigned int val)
+{
+	int ret;
+
+	mutex_lock(&st->lock);
+	ret = __admv1014_spi_write(st, reg, val);
+	mutex_unlock(&st->lock);
+
+	return ret;
+}
+
+static int __admv1014_spi_update_bits(struct admv1014_state *st, unsigned int reg,
+				      unsigned int mask, unsigned int val)
+{
+	unsigned int data, temp;
+	int ret;
+
+	ret = __admv1014_spi_read(st, reg, &data);
+	if (ret)
+		return ret;
+
+	temp = (data & ~mask) | (val & mask);
+
+	return __admv1014_spi_write(st, reg, temp);
+}
+
+static int admv1014_spi_update_bits(struct admv1014_state *st, unsigned int reg,
+				    unsigned int mask, unsigned int val)
+{
+	int ret;
+
+	mutex_lock(&st->lock);
+	ret = __admv1014_spi_update_bits(st, reg, mask, val);
+	mutex_unlock(&st->lock);
+
+	return ret;
+}
+
+static int admv1014_update_quad_filters(struct admv1014_state *st)
+{
+	unsigned int filt_raw;
+	u64 rate = clk_get_rate(st->clkin);
+
+	if (rate >= (5400 * HZ_PER_MHZ) && rate <= (7000 * HZ_PER_MHZ))
+		filt_raw = 15;
+	else if (rate > (7000 * HZ_PER_MHZ) && rate <= (8000 * HZ_PER_MHZ))
+		filt_raw = 10;
+	else if (rate > (8000 * HZ_PER_MHZ) && rate <= (9200 * HZ_PER_MHZ))
+		filt_raw = 5;
+	else
+		filt_raw = 0;
+
+	return __admv1014_spi_update_bits(st, ADMV1014_REG_QUAD,
+					ADMV1014_QUAD_FILTERS_MSK,
+					FIELD_PREP(ADMV1014_QUAD_FILTERS_MSK, filt_raw));
+}
+
+static int admv1014_update_vcm_settings(struct admv1014_state *st)
+{
+	unsigned int i, vcm_mv, vcm_comp, bb_sw_hl_cm;
+	int ret;
+
+	vcm_mv = regulator_get_voltage(st->regulators[0].consumer) / 1000;
+	for (i = 0; i < ARRAY_SIZE(mixer_vgate_table); i++) {
+		vcm_comp = 1050 + mult_frac(i, 450, 8);
+		if (vcm_mv != vcm_comp)
+			continue;
+
+		ret = __admv1014_spi_update_bits(st, ADMV1014_REG_MIXER,
+						 ADMV1014_MIXER_VGATE_MSK,
+						 FIELD_PREP(ADMV1014_MIXER_VGATE_MSK,
+							    mixer_vgate_table[i]));
+		if (ret)
+			return ret;
+
+		bb_sw_hl_cm = ~(i / 8);
+		bb_sw_hl_cm = FIELD_PREP(ADMV1014_BB_SWITCH_HIGH_LOW_CM_MSK, bb_sw_hl_cm);
+
+		return __admv1014_spi_update_bits(st, ADMV1014_REG_BB_AMP_AGC,
+						  ADMV1014_BB_AMP_REF_GEN_MSK |
+						  ADMV1014_BB_SWITCH_HIGH_LOW_CM_MSK,
+						  FIELD_PREP(ADMV1014_BB_AMP_REF_GEN_MSK, i) |
+						  bb_sw_hl_cm);
+	}
+
+	return -EINVAL;
+}
+
+static int admv1014_read_raw(struct iio_dev *indio_dev,
+			     struct iio_chan_spec const *chan,
+			     int *val, int *val2, long info)
+{
+	struct admv1014_state *st = iio_priv(indio_dev);
+	unsigned int data;
+	int ret;
+
+	switch (info) {
+	case IIO_CHAN_INFO_OFFSET:
+		ret = admv1014_spi_read(st, ADMV1014_REG_IF_AMP_BB_AMP, &data);
+		if (ret)
+			return ret;
+
+		if (chan->channel2 == IIO_MOD_I)
+			*val = FIELD_GET(ADMV1014_BB_AMP_OFFSET_I_MSK, data);
+		else
+			*val = FIELD_GET(ADMV1014_BB_AMP_OFFSET_Q_MSK, data);
+
+		return IIO_VAL_INT;
+	case IIO_CHAN_INFO_PHASE:
+		ret = admv1014_spi_read(st, ADMV1014_REG_LO_AMP_PHASE_ADJUST1, &data);
+		if (ret)
+			return ret;
+
+		if (chan->channel2 == IIO_MOD_I)
+			*val = FIELD_GET(ADMV1014_LOAMP_PH_ADJ_I_FINE_MSK, data);
+		else
+			*val = FIELD_GET(ADMV1014_LOAMP_PH_ADJ_Q_FINE_MSK, data);
+
+		return IIO_VAL_INT;
+	case IIO_CHAN_INFO_SCALE:
+		ret = admv1014_spi_read(st, ADMV1014_REG_MIXER, &data);
+		if (ret)
+			return ret;
+
+		*val = FIELD_GET(ADMV1014_DET_PROG_MSK, data);
+		return IIO_VAL_INT;
+	case IIO_CHAN_INFO_CALIBSCALE:
+		ret = admv1014_spi_read(st, ADMV1014_REG_BB_AMP_AGC, &data);
+		if (ret)
+			return ret;
+
+		*val = FIELD_GET(ADMV1014_BB_AMP_GAIN_CTRL_MSK, data);
+		return IIO_VAL_INT;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int admv1014_write_raw(struct iio_dev *indio_dev,
+			      struct iio_chan_spec const *chan,
+			      int val, int val2, long info)
+{
+	int data;
+	unsigned int msk;
+	struct admv1014_state *st = iio_priv(indio_dev);
+
+	switch (info) {
+	case IIO_CHAN_INFO_OFFSET:
+		if (chan->channel2 == IIO_MOD_I) {
+			msk = ADMV1014_BB_AMP_OFFSET_I_MSK;
+			data = FIELD_PREP(ADMV1014_BB_AMP_OFFSET_I_MSK, val);
+		} else {
+			msk = ADMV1014_BB_AMP_OFFSET_Q_MSK;
+			data = FIELD_PREP(ADMV1014_BB_AMP_OFFSET_Q_MSK, val);
+		}
+
+		return admv1014_spi_update_bits(st, ADMV1014_REG_IF_AMP_BB_AMP, msk, data);
+	case IIO_CHAN_INFO_PHASE:
+		if (chan->channel2 == IIO_MOD_I) {
+			msk = ADMV1014_LOAMP_PH_ADJ_I_FINE_MSK;
+			data = FIELD_PREP(ADMV1014_LOAMP_PH_ADJ_I_FINE_MSK, val);
+		} else {
+			msk = ADMV1014_LOAMP_PH_ADJ_Q_FINE_MSK;
+			data = FIELD_PREP(ADMV1014_LOAMP_PH_ADJ_Q_FINE_MSK, val);
+		}
+
+		return admv1014_spi_update_bits(st, ADMV1014_REG_LO_AMP_PHASE_ADJUST1, msk, data);
+	case IIO_CHAN_INFO_SCALE:
+		return admv1014_spi_update_bits(st, ADMV1014_REG_MIXER,
+						ADMV1014_DET_PROG_MSK,
+						FIELD_PREP(ADMV1014_DET_PROG_MSK, val));
+	case IIO_CHAN_INFO_CALIBSCALE:
+		return admv1014_spi_update_bits(st, ADMV1014_REG_BB_AMP_AGC,
+						ADMV1014_BB_AMP_GAIN_CTRL_MSK,
+						FIELD_PREP(ADMV1014_BB_AMP_GAIN_CTRL_MSK, val));
+	default:
+		return -EINVAL;
+	}
+}
+
+static ssize_t admv1014_read(struct iio_dev *indio_dev,
+			     uintptr_t private,
+			     const struct iio_chan_spec *chan,
+			     char *buf)
+{
+	struct admv1014_state *st = iio_priv(indio_dev);
+	unsigned int data;
+	int ret;
+
+	switch (private) {
+	case ADMV1014_CALIBSCALE_COARSE:
+		if (chan->channel2 == IIO_MOD_I) {
+			ret = admv1014_spi_read(st, ADMV1014_REG_IF_AMP, &data);
+			if (ret)
+				return ret;
+
+			data = FIELD_GET(ADMV1014_IF_AMP_COARSE_GAIN_I_MSK, data);
+		} else {
+			ret = admv1014_spi_read(st, ADMV1014_REG_IF_AMP_BB_AMP, &data);
+			if (ret)
+				return ret;
+
+			data = FIELD_GET(ADMV1014_IF_AMP_COARSE_GAIN_Q_MSK, data);
+		}
+		break;
+	case ADMV1014_CALIBSCALE_FINE:
+		ret = admv1014_spi_read(st, ADMV1014_REG_IF_AMP, &data);
+		if (ret)
+			return ret;
+
+		if (chan->channel2 == IIO_MOD_I)
+			data = FIELD_GET(ADMV1014_IF_AMP_FINE_GAIN_I_MSK, data);
+		else
+			data = FIELD_GET(ADMV1014_IF_AMP_FINE_GAIN_Q_MSK, data);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return sysfs_emit(buf, "%u\n", data);
+}
+
+static ssize_t admv1014_write(struct iio_dev *indio_dev,
+			      uintptr_t private,
+			      const struct iio_chan_spec *chan,
+			      const char *buf, size_t len)
+{
+	struct admv1014_state *st = iio_priv(indio_dev);
+	unsigned int data, addr, msk;
+	int ret;
+
+	ret = kstrtouint(buf, 10, &data);
+	if (ret)
+		return ret;
+
+	switch (private) {
+	case ADMV1014_CALIBSCALE_COARSE:
+		if (chan->channel2 == IIO_MOD_I) {
+			addr = ADMV1014_REG_IF_AMP;
+			msk = ADMV1014_IF_AMP_COARSE_GAIN_I_MSK;
+			data = FIELD_PREP(ADMV1014_IF_AMP_COARSE_GAIN_I_MSK, data);
+		} else {
+			addr = ADMV1014_REG_IF_AMP_BB_AMP;
+			msk = ADMV1014_IF_AMP_COARSE_GAIN_Q_MSK;
+			data = FIELD_PREP(ADMV1014_IF_AMP_COARSE_GAIN_Q_MSK, data);
+		}
+		break;
+	case ADMV1014_CALIBSCALE_FINE:
+		addr = ADMV1014_REG_IF_AMP;
+
+		if (chan->channel2 == IIO_MOD_I) {
+			msk = ADMV1014_IF_AMP_FINE_GAIN_I_MSK;
+			data = FIELD_PREP(ADMV1014_IF_AMP_FINE_GAIN_I_MSK, data);
+		} else {
+			msk = ADMV1014_IF_AMP_FINE_GAIN_Q_MSK;
+			data = FIELD_PREP(ADMV1014_IF_AMP_FINE_GAIN_Q_MSK, data);
+		}
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	ret = admv1014_spi_update_bits(st, addr, msk, data);
+
+	return ret ? ret : len;
+}
+
+static int admv1014_read_avail(struct iio_dev *indio_dev,
+			       struct iio_chan_spec const *chan,
+			       const int **vals, int *type, int *length,
+			       long info)
+{
+	switch (info) {
+	case IIO_CHAN_INFO_SCALE:
+		*vals = detector_table;
+		*type = IIO_VAL_INT;
+		*length = ARRAY_SIZE(detector_table);
+
+		return IIO_AVAIL_LIST;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int admv1014_reg_access(struct iio_dev *indio_dev,
+			       unsigned int reg,
+			       unsigned int write_val,
+			       unsigned int *read_val)
+{
+	struct admv1014_state *st = iio_priv(indio_dev);
+
+	if (read_val)
+		return admv1014_spi_read(st, reg, read_val);
+	else
+		return admv1014_spi_write(st, reg, write_val);
+}
+
+static const struct iio_info admv1014_info = {
+	.read_raw = admv1014_read_raw,
+	.write_raw = admv1014_write_raw,
+	.read_avail = &admv1014_read_avail,
+	.debugfs_reg_access = &admv1014_reg_access,
+};
+
+static const char * const admv1014_reg_name[] = {
+	 "vcm", "vcc-if-bb", "vcc-vga", "vcc-vva", "vcc-lna-3p3",
+	 "vcc-lna-1p5", "vcc-bg", "vcc-quad", "vcc-mixer"
+};
+
+static int admv1014_freq_change(struct notifier_block *nb, unsigned long action, void *data)
+{
+	struct admv1014_state *st = container_of(nb, struct admv1014_state, nb);
+	int ret;
+
+	if (action == POST_RATE_CHANGE) {
+		mutex_lock(&st->lock);
+		ret = notifier_from_errno(admv1014_update_quad_filters(st));
+		mutex_unlock(&st->lock);
+		return ret;
+	}
+
+	return NOTIFY_OK;
+}
+
+#define _ADMV1014_EXT_INFO(_name, _shared, _ident) { \
+		.name = _name, \
+		.read = admv1014_read, \
+		.write = admv1014_write, \
+		.private = _ident, \
+		.shared = _shared, \
+}
+
+static const struct iio_chan_spec_ext_info admv1014_ext_info[] = {
+	_ADMV1014_EXT_INFO("calibscale_coarse", IIO_SEPARATE, ADMV1014_CALIBSCALE_COARSE),
+	_ADMV1014_EXT_INFO("calibscale_fine", IIO_SEPARATE, ADMV1014_CALIBSCALE_FINE),
+	{ }
+};
+
+#define ADMV1014_CHAN_IQ(_channel, rf_comp) {				\
+	.type = IIO_ALTVOLTAGE,						\
+	.modified = 1,							\
+	.output = 0,							\
+	.indexed = 1,							\
+	.channel2 = IIO_MOD_##rf_comp,					\
+	.channel = _channel,						\
+	.info_mask_separate = BIT(IIO_CHAN_INFO_PHASE) |		\
+		BIT(IIO_CHAN_INFO_OFFSET),				\
+	.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_CALIBSCALE),	\
+	}
+
+#define ADMV1014_CHAN_IF(_channel, rf_comp) {				\
+	.type = IIO_ALTVOLTAGE,						\
+	.modified = 1,							\
+	.output = 0,							\
+	.indexed = 1,							\
+	.channel2 = IIO_MOD_##rf_comp,					\
+	.channel = _channel,						\
+	.info_mask_separate = BIT(IIO_CHAN_INFO_PHASE) |		\
+		BIT(IIO_CHAN_INFO_OFFSET),				\
+	}
+
+#define ADMV1014_CHAN_POWER(_channel) {					\
+	.type = IIO_POWER,						\
+	.output = 0,							\
+	.indexed = 1,							\
+	.channel = _channel,						\
+	.info_mask_separate = BIT(IIO_CHAN_INFO_SCALE),			\
+	.info_mask_shared_by_type_available = BIT(IIO_CHAN_INFO_SCALE),	\
+	}
+
+#define ADMV1014_CHAN_CALIBSCALE(_channel, rf_comp, _admv1014_ext_info) {	\
+	.type = IIO_ALTVOLTAGE,							\
+	.modified = 1,								\
+	.output = 0,								\
+	.indexed = 1,								\
+	.channel2 = IIO_MOD_##rf_comp,						\
+	.channel = _channel,							\
+	.ext_info = _admv1014_ext_info,						\
+	}
+
+static const struct iio_chan_spec admv1014_channels_iq[] = {
+	ADMV1014_CHAN_IQ(0, I),
+	ADMV1014_CHAN_IQ(0, Q),
+	ADMV1014_CHAN_POWER(0),
+};
+
+static const struct iio_chan_spec admv1014_channels_if[] = {
+	ADMV1014_CHAN_IF(0, I),
+	ADMV1014_CHAN_IF(0, Q),
+	ADMV1014_CHAN_CALIBSCALE(0, I, admv1014_ext_info),
+	ADMV1014_CHAN_CALIBSCALE(0, Q, admv1014_ext_info),
+	ADMV1014_CHAN_POWER(0),
+};
+
+static void admv1014_clk_disable(void *data)
+{
+	clk_disable_unprepare(data);
+}
+
+static void admv1014_reg_disable(void *data)
+{
+	regulator_bulk_disable(ADMV1014_NUM_REGULATORS, data);
+}
+
+static void admv1014_powerdown(void *data)
+{
+	unsigned int enable_reg, enable_reg_msk;
+
+	/* Disable all components in the Enable Register */
+	enable_reg_msk = ADMV1014_IBIAS_PD_MSK |
+			ADMV1014_IF_AMP_PD_MSK |
+			ADMV1014_QUAD_BG_PD_MSK |
+			ADMV1014_BB_AMP_PD_MSK |
+			ADMV1014_QUAD_IBIAS_PD_MSK |
+			ADMV1014_BG_PD_MSK;
+
+	enable_reg = FIELD_PREP(ADMV1014_IBIAS_PD_MSK, 1) |
+			FIELD_PREP(ADMV1014_IF_AMP_PD_MSK, 1) |
+			FIELD_PREP(ADMV1014_QUAD_BG_PD_MSK, 1) |
+			FIELD_PREP(ADMV1014_BB_AMP_PD_MSK, 1) |
+			FIELD_PREP(ADMV1014_QUAD_IBIAS_PD_MSK, 1) |
+			FIELD_PREP(ADMV1014_BG_PD_MSK, 1);
+
+	admv1014_spi_update_bits(data, ADMV1014_REG_ENABLE,
+				 enable_reg_msk, enable_reg);
+}
+
+static int admv1014_init(struct admv1014_state *st)
+{
+	unsigned int chip_id, enable_reg, enable_reg_msk;
+	struct spi_device *spi = st->spi;
+	int ret;
+
+	ret = regulator_bulk_enable(ADMV1014_NUM_REGULATORS, st->regulators);
+	if (ret) {
+		dev_err(&spi->dev, "Failed to enable regulators");
+		return ret;
+	}
+
+	ret = devm_add_action_or_reset(&spi->dev, admv1014_reg_disable, st->regulators);
+	if (ret)
+		return ret;
+
+	ret = clk_prepare_enable(st->clkin);
+	if (ret)
+		return ret;
+
+	ret = devm_add_action_or_reset(&spi->dev, admv1014_clk_disable, st->clkin);
+	if (ret)
+		return ret;
+
+	st->nb.notifier_call = admv1014_freq_change;
+	ret = devm_clk_notifier_register(&spi->dev, st->clkin, &st->nb);
+	if (ret)
+		return ret;
+
+	ret = devm_add_action_or_reset(&spi->dev, admv1014_powerdown, st);
+	if (ret)
+		return ret;
+
+	/* Perform a software reset */
+	ret = __admv1014_spi_update_bits(st, ADMV1014_REG_SPI_CONTROL,
+					 ADMV1014_SPI_SOFT_RESET_MSK,
+					 FIELD_PREP(ADMV1014_SPI_SOFT_RESET_MSK, 1));
+	if (ret) {
+		dev_err(&spi->dev, "ADMV1014 SPI software reset failed.\n");
+		return ret;
+	}
+
+	ret = __admv1014_spi_update_bits(st, ADMV1014_REG_SPI_CONTROL,
+					 ADMV1014_SPI_SOFT_RESET_MSK,
+					 FIELD_PREP(ADMV1014_SPI_SOFT_RESET_MSK, 0));
+	if (ret) {
+		dev_err(&spi->dev, "ADMV1014 SPI software reset disable failed.\n");
+		return ret;
+	}
+
+	ret = __admv1014_spi_write(st, ADMV1014_REG_VVA_TEMP_COMP, 0x727C);
+	if (ret) {
+		dev_err(&spi->dev, "Writing default Temperature Compensation value failed.\n");
+		return ret;
+	}
+
+	ret = __admv1014_spi_read(st, ADMV1014_REG_SPI_CONTROL, &chip_id);
+	if (ret)
+		return ret;
+
+	chip_id = FIELD_GET(ADMV1014_CHIP_ID_MSK, chip_id);
+	if (chip_id != ADMV1014_CHIP_ID) {
+		dev_err(&spi->dev, "Invalid Chip ID.\n");
+		ret = -EINVAL;
+		return ret;
+	}
+
+	ret = __admv1014_spi_update_bits(st, ADMV1014_REG_QUAD,
+					 ADMV1014_QUAD_SE_MODE_MSK,
+					 FIELD_PREP(ADMV1014_QUAD_SE_MODE_MSK,
+						    st->quad_se_mode));
+	if (ret) {
+		dev_err(&spi->dev, "Writing Quad SE Mode failed.\n");
+		return ret;
+	}
+
+	ret = admv1014_update_quad_filters(st);
+	if (ret) {
+		dev_err(&spi->dev, "Update Quad Filters failed.\n");
+		return ret;
+	}
+
+	ret = admv1014_update_vcm_settings(st);
+	if (ret) {
+		dev_err(&spi->dev, "Update VCM Settings failed.\n");
+		return ret;
+	}
+
+	enable_reg_msk = ADMV1014_P1DB_COMPENSATION_MSK |
+			 ADMV1014_IF_AMP_PD_MSK |
+			 ADMV1014_BB_AMP_PD_MSK |
+			 ADMV1014_DET_EN_MSK;
+
+	enable_reg = FIELD_PREP(ADMV1014_P1DB_COMPENSATION_MSK, st->p1db_comp ? 3 : 0) |
+		     FIELD_PREP(ADMV1014_IF_AMP_PD_MSK, !(st->input_mode)) |
+		     FIELD_PREP(ADMV1014_BB_AMP_PD_MSK, st->input_mode) |
+		     FIELD_PREP(ADMV1014_DET_EN_MSK, st->det_en);
+
+	return __admv1014_spi_update_bits(st, ADMV1014_REG_ENABLE, enable_reg_msk, enable_reg);
+}
+
+static int admv1014_properties_parse(struct admv1014_state *st)
+{
+	const char *str;
+	unsigned int i;
+	struct spi_device *spi = st->spi;
+	int ret;
+
+	st->det_en = device_property_read_bool(&spi->dev, "adi,detector-enable");
+
+	st->p1db_comp = device_property_read_bool(&spi->dev, "adi,p1db-compensation-enable");
+
+	ret = device_property_read_string(&spi->dev, "adi,input-mode", &str);
+	if (ret) {
+		st->input_mode = ADMV1014_IQ_MODE;
+	} else {
+		ret = match_string(input_mode_names, ARRAY_SIZE(input_mode_names), str);
+		if (ret < 0)
+			return ret;
+
+		st->input_mode = ret;
+	}
+
+	ret = device_property_read_string(&spi->dev, "adi,quad-se-mode", &str);
+	if (ret) {
+		st->quad_se_mode = ADMV1014_SE_MODE_POS;
+	} else {
+		ret = match_string(quad_se_mode_names, ARRAY_SIZE(quad_se_mode_names), str);
+		if (ret < 0)
+			return ret;
+
+		st->quad_se_mode = ADMV1014_SE_MODE_POS + (ret * 3);
+	}
+
+	for (i = 0; i < ADMV1014_NUM_REGULATORS; ++i)
+		st->regulators[i].supply = admv1014_reg_name[i];
+
+	ret = devm_regulator_bulk_get(&st->spi->dev, ADMV1014_NUM_REGULATORS,
+				      st->regulators);
+	if (ret) {
+		dev_err(&spi->dev, "Failed to request regulators");
+		return ret;
+	}
+
+	st->clkin = devm_clk_get(&spi->dev, "lo_in");
+	if (IS_ERR(st->clkin))
+		return dev_err_probe(&spi->dev, PTR_ERR(st->clkin),
+				     "failed to get the LO input clock\n");
+
+	return 0;
+}
+
+static int admv1014_probe(struct spi_device *spi)
+{
+	struct iio_dev *indio_dev;
+	struct admv1014_state *st;
+	int ret;
+
+	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+	if (!indio_dev)
+		return -ENOMEM;
+
+	st = iio_priv(indio_dev);
+
+	ret = admv1014_properties_parse(st);
+	if (ret)
+		return ret;
+
+	indio_dev->info = &admv1014_info;
+	indio_dev->name = "admv1014";
+
+	if (st->input_mode == ADMV1014_IQ_MODE) {
+		indio_dev->channels = admv1014_channels_iq;
+		indio_dev->num_channels = ARRAY_SIZE(admv1014_channels_iq);
+	} else {
+		indio_dev->channels = admv1014_channels_if;
+		indio_dev->num_channels = ARRAY_SIZE(admv1014_channels_if);
+	}
+
+	st->spi = spi;
+
+	mutex_init(&st->lock);
+
+	ret = admv1014_init(st);
+	if (ret)
+		return ret;
+
+	return devm_iio_device_register(&spi->dev, indio_dev);
+}
+
+static const struct spi_device_id admv1014_id[] = {
+	{ "admv1014", 0 },
+	{}
+};
+MODULE_DEVICE_TABLE(spi, admv1014_id);
+
+static const struct of_device_id admv1014_of_match[] = {
+	{ .compatible = "adi,admv1014" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, admv1014_of_match);
+
+static struct spi_driver admv1014_driver = {
+	.driver = {
+		.name = "admv1014",
+		.of_match_table = admv1014_of_match,
+	},
+	.probe = admv1014_probe,
+	.id_table = admv1014_id,
+};
+module_spi_driver(admv1014_driver);
+
+MODULE_AUTHOR("Antoniu Miclaus <antoniu.miclaus@analog.com");
+MODULE_DESCRIPTION("Analog Devices ADMV1014");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/frequency/admv4420.c b/drivers/iio/frequency/admv4420.c
new file mode 100644
index 000000000000..51134aee8510
--- /dev/null
+++ b/drivers/iio/frequency/admv4420.c
@@ -0,0 +1,398 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+/*
+ * ADMV4420
+ *
+ * Copyright 2021 Analog Devices Inc.
+ */
+
+#include <linux/bitfield.h>
+#include <linux/iio/iio.h>
+#include <linux/iio/sysfs.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/spi/spi.h>
+#include <linux/units.h>
+
+#include <asm/unaligned.h>
+
+/* ADMV4420 Register Map */
+#define ADMV4420_SPI_CONFIG_1			0x00
+#define ADMV4420_SPI_CONFIG_2			0x01
+#define ADMV4420_CHIPTYPE			0x03
+#define ADMV4420_PRODUCT_ID_L			0x04
+#define ADMV4420_PRODUCT_ID_H			0x05
+#define ADMV4420_SCRATCHPAD			0x0A
+#define ADMV4420_SPI_REV			0x0B
+#define ADMV4420_ENABLES			0x103
+#define ADMV4420_SDO_LEVEL			0x108
+#define ADMV4420_INT_L				0x200
+#define ADMV4420_INT_H				0x201
+#define ADMV4420_FRAC_L				0x202
+#define ADMV4420_FRAC_M				0x203
+#define ADMV4420_FRAC_H				0x204
+#define ADMV4420_MOD_L				0x208
+#define ADMV4420_MOD_M				0x209
+#define ADMV4420_MOD_H				0x20A
+#define ADMV4420_R_DIV_L			0x20C
+#define ADMV4420_R_DIV_H			0x20D
+#define ADMV4420_REFERENCE			0x20E
+#define ADMV4420_VCO_DATA_READBACK1		0x211
+#define ADMV4420_VCO_DATA_READBACK2		0x212
+#define ADMV4420_PLL_MUX_SEL			0x213
+#define ADMV4420_LOCK_DETECT			0x214
+#define ADMV4420_BAND_SELECT			0x215
+#define ADMV4420_VCO_ALC_TIMEOUT		0x216
+#define ADMV4420_VCO_MANUAL			0x217
+#define ADMV4420_ALC				0x219
+#define ADMV4420_VCO_TIMEOUT1			0x21C
+#define ADMV4420_VCO_TIMEOUT2			0x21D
+#define ADMV4420_VCO_BAND_DIV			0x21E
+#define ADMV4420_VCO_READBACK_SEL		0x21F
+#define ADMV4420_AUTOCAL			0x226
+#define ADMV4420_CP_STATE			0x22C
+#define ADMV4420_CP_BLEED_EN			0x22D
+#define ADMV4420_CP_CURRENT			0x22E
+#define ADMV4420_CP_BLEED			0x22F
+
+#define ADMV4420_SPI_CONFIG_1_SDOACTIVE		(BIT(4) | BIT(3))
+#define ADMV4420_SPI_CONFIG_1_ENDIAN		(BIT(5) | BIT(2))
+#define ADMV4420_SPI_CONFIG_1_SOFTRESET		(BIT(7) | BIT(1))
+
+#define ADMV4420_REFERENCE_DIVIDE_BY_2_MASK	BIT(0)
+#define ADMV4420_REFERENCE_MODE_MASK		BIT(1)
+#define ADMV4420_REFERENCE_DOUBLER_MASK		BIT(2)
+
+#define ADMV4420_REF_DIVIDER_MAX_VAL		GENMASK(9, 0)
+#define ADMV4420_N_COUNTER_INT_MAX		GENMASK(15, 0)
+#define ADMV4420_N_COUNTER_FRAC_MAX		GENMASK(23, 0)
+#define ADMV4420_N_COUNTER_MOD_MAX		GENMASK(23, 0)
+
+#define ENABLE_PLL				BIT(6)
+#define ENABLE_LO				BIT(5)
+#define ENABLE_VCO				BIT(3)
+#define ENABLE_IFAMP				BIT(2)
+#define ENABLE_MIXER				BIT(1)
+#define ENABLE_LNA				BIT(0)
+
+#define ADMV4420_SCRATCH_PAD_VAL_1              0xAD
+#define ADMV4420_SCRATCH_PAD_VAL_2              0xEA
+
+#define ADMV4420_REF_FREQ_HZ                    50000000
+#define MAX_N_COUNTER                           655360UL
+#define MAX_R_DIVIDER                           1024
+#define ADMV4420_DEFAULT_LO_FREQ_HZ		16750000000ULL
+
+enum admv4420_mux_sel {
+	ADMV4420_LOW = 0,
+	ADMV4420_LOCK_DTCT = 1,
+	ADMV4420_R_COUNTER_PER_2 = 4,
+	ADMV4420_N_CONUTER_PER_2 = 5,
+	ADMV4420_HIGH = 8,
+};
+
+struct admv4420_reference_block {
+	bool doubler_en;
+	bool divide_by_2_en;
+	bool ref_single_ended;
+	u32 divider;
+};
+
+struct admv4420_n_counter {
+	u32 int_val;
+	u32 frac_val;
+	u32 mod_val;
+	u32 n_counter;
+};
+
+struct admv4420_state {
+	struct spi_device		*spi;
+	struct regmap			*regmap;
+	u64				vco_freq_hz;
+	u64				lo_freq_hz;
+	struct admv4420_reference_block ref_block;
+	struct admv4420_n_counter	n_counter;
+	enum admv4420_mux_sel		mux_sel;
+	struct mutex			lock;
+	u8				transf_buf[4] ____cacheline_aligned;
+};
+
+static const struct regmap_config admv4420_regmap_config = {
+	.reg_bits = 16,
+	.val_bits = 8,
+	.read_flag_mask = BIT(7),
+};
+
+static int admv4420_reg_access(struct iio_dev *indio_dev,
+			       u32 reg, u32 writeval,
+			       u32 *readval)
+{
+	struct admv4420_state *st = iio_priv(indio_dev);
+
+	if (readval)
+		return regmap_read(st->regmap, reg, readval);
+	else
+		return regmap_write(st->regmap, reg, writeval);
+}
+
+static int admv4420_set_n_counter(struct admv4420_state *st, u32 int_val,
+				  u32 frac_val, u32 mod_val)
+{
+	int ret;
+
+	put_unaligned_le32(frac_val, st->transf_buf);
+	ret = regmap_bulk_write(st->regmap, ADMV4420_FRAC_L, st->transf_buf, 3);
+	if (ret)
+		return ret;
+
+	put_unaligned_le32(mod_val, st->transf_buf);
+	ret = regmap_bulk_write(st->regmap, ADMV4420_MOD_L, st->transf_buf, 3);
+	if (ret)
+		return ret;
+
+	put_unaligned_le32(int_val, st->transf_buf);
+	return regmap_bulk_write(st->regmap, ADMV4420_INT_L, st->transf_buf, 2);
+}
+
+static int admv4420_read_raw(struct iio_dev *indio_dev,
+			     struct iio_chan_spec const *chan,
+			     int *val, int *val2, long info)
+{
+	struct admv4420_state *st = iio_priv(indio_dev);
+
+	switch (info) {
+	case IIO_CHAN_INFO_FREQUENCY:
+
+		*val = div_u64_rem(st->lo_freq_hz, MICRO, val2);
+
+		return IIO_VAL_INT_PLUS_MICRO;
+	default:
+		return -EINVAL;
+	}
+}
+
+static const struct iio_info admv4420_info = {
+	.read_raw = admv4420_read_raw,
+	.debugfs_reg_access = &admv4420_reg_access,
+};
+
+static const struct iio_chan_spec admv4420_channels[] = {
+	{
+		.type = IIO_ALTVOLTAGE,
+		.output = 0,
+		.indexed = 1,
+		.channel = 0,
+		.info_mask_separate = BIT(IIO_CHAN_INFO_FREQUENCY),
+	},
+};
+
+static void admv4420_fw_parse(struct admv4420_state *st)
+{
+	struct device *dev = &st->spi->dev;
+	u32 tmp;
+	int ret;
+
+	ret = device_property_read_u32(dev, "adi,lo-freq-khz", &tmp);
+	if (!ret)
+		st->lo_freq_hz = (u64)tmp * KILO;
+
+	st->ref_block.ref_single_ended = device_property_read_bool(dev,
+								   "adi,ref-ext-single-ended-en");
+}
+
+static inline uint64_t admv4420_calc_pfd_vco(struct admv4420_state *st)
+{
+	return div_u64(st->vco_freq_hz * 10, st->n_counter.n_counter);
+}
+
+static inline uint32_t admv4420_calc_pfd_ref(struct admv4420_state *st)
+{
+	uint32_t tmp;
+	u8 doubler, divide_by_2;
+
+	doubler = st->ref_block.doubler_en ? 2 : 1;
+	divide_by_2 = st->ref_block.divide_by_2_en ? 2 : 1;
+	tmp = ADMV4420_REF_FREQ_HZ * doubler;
+
+	return (tmp / (st->ref_block.divider * divide_by_2));
+}
+
+static int admv4420_calc_parameters(struct admv4420_state *st)
+{
+	u64 pfd_ref, pfd_vco;
+	bool sol_found = false;
+
+	st->ref_block.doubler_en = false;
+	st->ref_block.divide_by_2_en = false;
+	st->vco_freq_hz = div_u64(st->lo_freq_hz, 2);
+
+	for (st->ref_block.divider = 1; st->ref_block.divider < MAX_R_DIVIDER;
+	    st->ref_block.divider++) {
+		pfd_ref = admv4420_calc_pfd_ref(st);
+		for (st->n_counter.n_counter = 1; st->n_counter.n_counter < MAX_N_COUNTER;
+		    st->n_counter.n_counter++) {
+			pfd_vco = admv4420_calc_pfd_vco(st);
+			if (pfd_ref == pfd_vco) {
+				sol_found = true;
+				break;
+			}
+		}
+
+		if (sol_found)
+			break;
+
+		st->n_counter.n_counter = 1;
+	}
+	if (!sol_found)
+		return -1;
+
+	st->n_counter.int_val = div_u64_rem(st->n_counter.n_counter, 10, &st->n_counter.frac_val);
+	st->n_counter.mod_val = 10;
+
+	return 0;
+}
+
+static int admv4420_setup(struct iio_dev *indio_dev)
+{
+	struct admv4420_state *st = iio_priv(indio_dev);
+	struct device *dev = indio_dev->dev.parent;
+	u32 val;
+	int ret;
+
+	ret = regmap_write(st->regmap, ADMV4420_SPI_CONFIG_1,
+			   ADMV4420_SPI_CONFIG_1_SOFTRESET);
+	if (ret)
+		return ret;
+
+	ret = regmap_write(st->regmap, ADMV4420_SPI_CONFIG_1,
+			   ADMV4420_SPI_CONFIG_1_SDOACTIVE |
+			   ADMV4420_SPI_CONFIG_1_ENDIAN);
+	if (ret)
+		return ret;
+
+	ret = regmap_write(st->regmap,
+			   ADMV4420_SCRATCHPAD,
+			   ADMV4420_SCRATCH_PAD_VAL_1);
+	if (ret)
+		return ret;
+
+	ret = regmap_read(st->regmap, ADMV4420_SCRATCHPAD, &val);
+	if (ret)
+		return ret;
+
+	if (val != ADMV4420_SCRATCH_PAD_VAL_1) {
+		dev_err(dev, "Failed ADMV4420 to read/write scratchpad %x ", val);
+		return -EIO;
+	}
+
+	ret = regmap_write(st->regmap,
+			   ADMV4420_SCRATCHPAD,
+			   ADMV4420_SCRATCH_PAD_VAL_2);
+	if (ret)
+		return ret;
+
+	ret = regmap_read(st->regmap, ADMV4420_SCRATCHPAD, &val);
+	if (ret)
+		return ret;
+
+	if (val != ADMV4420_SCRATCH_PAD_VAL_2) {
+		dev_err(dev, "Failed to read/write scratchpad %x ", val);
+		return -EIO;
+	}
+
+	st->mux_sel = ADMV4420_LOCK_DTCT;
+	st->lo_freq_hz = ADMV4420_DEFAULT_LO_FREQ_HZ;
+
+	admv4420_fw_parse(st);
+
+	ret = admv4420_calc_parameters(st);
+	if (ret) {
+		dev_err(dev, "Failed calc parameters for %lld ", st->vco_freq_hz);
+		return ret;
+	}
+
+	ret = regmap_write(st->regmap, ADMV4420_R_DIV_L,
+			   FIELD_GET(0xFF, st->ref_block.divider));
+	if (ret)
+		return ret;
+
+	ret = regmap_write(st->regmap, ADMV4420_R_DIV_H,
+			   FIELD_GET(0xFF00, st->ref_block.divider));
+	if (ret)
+		return ret;
+
+	ret = regmap_write(st->regmap, ADMV4420_REFERENCE,
+			   st->ref_block.divide_by_2_en |
+			   FIELD_PREP(ADMV4420_REFERENCE_MODE_MASK, st->ref_block.ref_single_ended) |
+			   FIELD_PREP(ADMV4420_REFERENCE_DOUBLER_MASK, st->ref_block.doubler_en));
+	if (ret)
+		return ret;
+
+	ret = admv4420_set_n_counter(st, st->n_counter.int_val,
+				     st->n_counter.frac_val,
+				     st->n_counter.mod_val);
+	if (ret)
+		return ret;
+
+	ret = regmap_write(st->regmap, ADMV4420_PLL_MUX_SEL, st->mux_sel);
+	if (ret)
+		return ret;
+
+	return regmap_write(st->regmap, ADMV4420_ENABLES,
+			    ENABLE_PLL | ENABLE_LO | ENABLE_VCO |
+			    ENABLE_IFAMP | ENABLE_MIXER | ENABLE_LNA);
+}
+
+static int admv4420_probe(struct spi_device *spi)
+{
+	struct iio_dev *indio_dev;
+	struct admv4420_state *st;
+	struct regmap *regmap;
+	int ret;
+
+	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+	if (!indio_dev)
+		return -ENOMEM;
+
+	regmap = devm_regmap_init_spi(spi, &admv4420_regmap_config);
+	if (IS_ERR(regmap))
+		return dev_err_probe(&spi->dev, PTR_ERR(regmap),
+				     "Failed to initializing spi regmap\n");
+
+	st = iio_priv(indio_dev);
+	st->spi = spi;
+	st->regmap = regmap;
+
+	indio_dev->name = "admv4420";
+	indio_dev->info = &admv4420_info;
+	indio_dev->channels = admv4420_channels;
+	indio_dev->num_channels = ARRAY_SIZE(admv4420_channels);
+
+	ret = admv4420_setup(indio_dev);
+	if (ret) {
+		dev_err(&spi->dev, "Setup ADMV4420 failed (%d)\n", ret);
+		return ret;
+	}
+
+	return devm_iio_device_register(&spi->dev, indio_dev);
+}
+
+static const struct of_device_id admv4420_of_match[] = {
+	{ .compatible = "adi,admv4420" },
+	{ }
+};
+
+MODULE_DEVICE_TABLE(of, admv4420_of_match);
+
+static struct spi_driver admv4420_driver = {
+	.driver = {
+		.name = "admv4420",
+		.of_match_table = admv4420_of_match,
+	},
+	.probe = admv4420_probe,
+};
+
+module_spi_driver(admv4420_driver);
+
+MODULE_AUTHOR("Cristian Pop <cristian.pop@analog.com>");
+MODULE_DESCRIPTION("Analog Devices ADMV44200 K Band Downconverter");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/iio/gyro/Kconfig b/drivers/iio/gyro/Kconfig
index a672f7d12bbb..97b86c4a53a6 100644
--- a/drivers/iio/gyro/Kconfig
+++ b/drivers/iio/gyro/Kconfig
@@ -139,30 +139,37 @@ config IIO_ST_GYRO_3AXIS
 	tristate "STMicroelectronics gyroscopes 3-Axis Driver"
 	depends on (I2C || SPI_MASTER) && SYSFS
 	select IIO_ST_SENSORS_CORE
-	select IIO_ST_GYRO_I2C_3AXIS if (I2C)
-	select IIO_ST_GYRO_SPI_3AXIS if (SPI_MASTER)
 	select IIO_TRIGGERED_BUFFER if (IIO_BUFFER)
 	help
 	  Say yes here to build support for STMicroelectronics gyroscopes:
 	  L3G4200D, LSM330DL, L3GD20, LSM330DLC, L3G4IS, LSM330, LSM9DS0.
 
-	  This driver can also be built as a module. If so, these modules
-	  will be created:
-	  - st_gyro (core functions for the driver [it is mandatory]);
-	  - st_gyro_i2c (necessary for the I2C devices [optional*]);
-	  - st_gyro_spi (necessary for the SPI devices [optional*]);
-
-	  (*) one of these is necessary to do something.
+	  Also need to enable at least one of I2C and SPI interface drivers
+	  below.
 
 config IIO_ST_GYRO_I2C_3AXIS
-	tristate
-	depends on IIO_ST_GYRO_3AXIS
-	depends on IIO_ST_SENSORS_I2C
+	tristate "STMicroelectronics gyroscopes 3-Axis I2C Interface"
+	depends on I2C && IIO_ST_GYRO_3AXIS
+	default I2C && IIO_ST_GYRO_3AXIS
+	select IIO_ST_SENSORS_I2C
+	help
+	  Build support for STMicroelectronics gyroscopes I2C interface.
+
+	  To compile this driver as a module, choose M here. The module
+	  will be called st_gyro_i2c.
+
 
 config IIO_ST_GYRO_SPI_3AXIS
-	tristate
-	depends on IIO_ST_GYRO_3AXIS
-	depends on IIO_ST_SENSORS_SPI
+	tristate "STMicroelectronics gyroscopes 3-Axis SPI Interface"
+	depends on SPI_MASTER && IIO_ST_GYRO_3AXIS
+	default SPI_MASTER && IIO_ST_GYRO_3AXIS
+	select IIO_ST_SENSORS_SPI
+	help
+	  Build support for STMicroelectronics gyroscopes SPI interface.
+
+	  To compile this driver as a module, choose M here. The module
+	  will be called st_gyro_spi.
+
 
 config ITG3200
 	tristate "InvenSense ITG3200 Digital 3-Axis Gyroscope I2C driver"
diff --git a/drivers/iio/gyro/adis16136.c b/drivers/iio/gyro/adis16136.c
index 36879f01e28c..71295709f2b9 100644
--- a/drivers/iio/gyro/adis16136.c
+++ b/drivers/iio/gyro/adis16136.c
@@ -591,3 +591,4 @@ module_spi_driver(adis16136_driver);
 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
 MODULE_DESCRIPTION("Analog Devices ADIS16133/ADIS16135/ADIS16136 gyroscope driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ADISLIB);
diff --git a/drivers/iio/gyro/adis16260.c b/drivers/iio/gyro/adis16260.c
index 66b6b7bd5e1b..eaf57bd339ed 100644
--- a/drivers/iio/gyro/adis16260.c
+++ b/drivers/iio/gyro/adis16260.c
@@ -433,3 +433,4 @@ module_spi_driver(adis16260_driver);
 MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
 MODULE_DESCRIPTION("Analog Devices ADIS16260/5 Digital Gyroscope Sensor");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ADISLIB);
diff --git a/drivers/iio/gyro/ssp_gyro_sensor.c b/drivers/iio/gyro/ssp_gyro_sensor.c
index 46ed12771d2f..5fd1bf9902ea 100644
--- a/drivers/iio/gyro/ssp_gyro_sensor.c
+++ b/drivers/iio/gyro/ssp_gyro_sensor.c
@@ -142,3 +142,4 @@ module_platform_driver(ssp_gyro_driver);
 MODULE_AUTHOR("Karol Wrona <k.wrona@samsung.com>");
 MODULE_DESCRIPTION("Samsung sensorhub gyroscopes driver");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_SSP_SENSORS);
diff --git a/drivers/iio/gyro/st_gyro_buffer.c b/drivers/iio/gyro/st_gyro_buffer.c
index 4ae33ef25b9c..1ebfe7aa6c96 100644
--- a/drivers/iio/gyro/st_gyro_buffer.c
+++ b/drivers/iio/gyro/st_gyro_buffer.c
@@ -7,7 +7,6 @@
  * Denis Ciocca <denis.ciocca@st.com>
  */
 
-#include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/iio/iio.h>
 #include <linux/iio/buffer.h>
@@ -65,6 +64,3 @@ int st_gyro_allocate_ring(struct iio_dev *indio_dev)
 		NULL, &st_sensors_trigger_handler, &st_gyro_buffer_setup_ops);
 }
 
-MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
-MODULE_DESCRIPTION("STMicroelectronics gyroscopes buffer");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c
index 201050b76fe5..62172e18d0d8 100644
--- a/drivers/iio/gyro/st_gyro_core.c
+++ b/drivers/iio/gyro/st_gyro_core.c
@@ -472,7 +472,7 @@ const struct st_sensor_settings *st_gyro_get_settings(const char *name)
 
 	return &st_gyro_sensors_settings[index];
 }
-EXPORT_SYMBOL(st_gyro_get_settings);
+EXPORT_SYMBOL_NS(st_gyro_get_settings, IIO_ST_SENSORS);
 
 int st_gyro_common_probe(struct iio_dev *indio_dev)
 {
@@ -518,8 +518,9 @@ int st_gyro_common_probe(struct iio_dev *indio_dev)
 
 	return devm_iio_device_register(parent, indio_dev);
 }
-EXPORT_SYMBOL(st_gyro_common_probe);
+EXPORT_SYMBOL_NS(st_gyro_common_probe, IIO_ST_SENSORS);
 
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics gyroscopes driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);
diff --git a/drivers/iio/gyro/st_gyro_i2c.c b/drivers/iio/gyro/st_gyro_i2c.c
index 163c7ba300c1..8c7af42b6558 100644
--- a/drivers/iio/gyro/st_gyro_i2c.c
+++ b/drivers/iio/gyro/st_gyro_i2c.c
@@ -120,3 +120,4 @@ module_i2c_driver(st_gyro_driver);
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics gyroscopes i2c driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);
diff --git a/drivers/iio/gyro/st_gyro_spi.c b/drivers/iio/gyro/st_gyro_spi.c
index b0023f9b9771..22aaabe48e4a 100644
--- a/drivers/iio/gyro/st_gyro_spi.c
+++ b/drivers/iio/gyro/st_gyro_spi.c
@@ -124,3 +124,4 @@ module_spi_driver(st_gyro_driver);
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics gyroscopes spi driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);
diff --git a/drivers/iio/humidity/dht11.c b/drivers/iio/humidity/dht11.c
index 9a7819817488..c97e25448772 100644
--- a/drivers/iio/humidity/dht11.c
+++ b/drivers/iio/humidity/dht11.c
@@ -11,10 +11,9 @@
 #include <linux/kernel.h>
 #include <linux/printk.h>
 #include <linux/slab.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
 #include <linux/sysfs.h>
 #include <linux/io.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/wait.h>
diff --git a/drivers/iio/humidity/hdc100x.c b/drivers/iio/humidity/hdc100x.c
index 9e0fce917ce4..47f8e8ef56d6 100644
--- a/drivers/iio/humidity/hdc100x.c
+++ b/drivers/iio/humidity/hdc100x.c
@@ -417,10 +417,17 @@ static const struct of_device_id hdc100x_dt_ids[] = {
 };
 MODULE_DEVICE_TABLE(of, hdc100x_dt_ids);
 
+static const struct acpi_device_id hdc100x_acpi_match[] = {
+	{ "TXNW1010" },
+	{ }
+};
+MODULE_DEVICE_TABLE(acpi, hdc100x_acpi_match);
+
 static struct i2c_driver hdc100x_driver = {
 	.driver = {
 		.name	= "hdc100x",
 		.of_match_table = hdc100x_dt_ids,
+		.acpi_match_table = hdc100x_acpi_match,
 	},
 	.probe = hdc100x_probe,
 	.id_table = hdc100x_id,
diff --git a/drivers/iio/humidity/htu21.c b/drivers/iio/humidity/htu21.c
index 36df2a102ca4..fd9e2565f8a2 100644
--- a/drivers/iio/humidity/htu21.c
+++ b/drivers/iio/humidity/htu21.c
@@ -258,3 +258,4 @@ MODULE_DESCRIPTION("Measurement-Specialties htu21 temperature and humidity drive
 MODULE_AUTHOR("William Markezana <william.markezana@meas-spec.com>");
 MODULE_AUTHOR("Ludovic Tancerel <ludovic.tancerel@maplehightech.com>");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_MEAS_SPEC_SENSORS);
diff --git a/drivers/iio/imu/adis.c b/drivers/iio/imu/adis.c
index cb0d66bf6561..f7fcfd04f659 100644
--- a/drivers/iio/imu/adis.c
+++ b/drivers/iio/imu/adis.c
@@ -30,8 +30,8 @@
  * @value: The value to write to device (up to 4 bytes)
  * @size: The size of the @value (in bytes)
  */
-int __adis_write_reg(struct adis *adis, unsigned int reg,
-	unsigned int value, unsigned int size)
+int __adis_write_reg(struct adis *adis, unsigned int reg, unsigned int value,
+		     unsigned int size)
 {
 	unsigned int page = reg / ADIS_PAGE_SIZE;
 	int ret, i;
@@ -114,14 +114,14 @@ int __adis_write_reg(struct adis *adis, unsigned int reg,
 	ret = spi_sync(adis->spi, &msg);
 	if (ret) {
 		dev_err(&adis->spi->dev, "Failed to write register 0x%02X: %d\n",
-				reg, ret);
+			reg, ret);
 	} else {
 		adis->current_page = page;
 	}
 
 	return ret;
 }
-EXPORT_SYMBOL_GPL(__adis_write_reg);
+EXPORT_SYMBOL_NS_GPL(__adis_write_reg, IIO_ADISLIB);
 
 /**
  * __adis_read_reg() - read N bytes from register (unlocked version)
@@ -130,8 +130,8 @@ EXPORT_SYMBOL_GPL(__adis_write_reg);
  * @val: The value read back from the device
  * @size: The size of the @val buffer
  */
-int __adis_read_reg(struct adis *adis, unsigned int reg,
-	unsigned int *val, unsigned int size)
+int __adis_read_reg(struct adis *adis, unsigned int reg, unsigned int *val,
+		    unsigned int size)
 {
 	unsigned int page = reg / ADIS_PAGE_SIZE;
 	struct spi_message msg;
@@ -201,12 +201,12 @@ int __adis_read_reg(struct adis *adis, unsigned int reg,
 	ret = spi_sync(adis->spi, &msg);
 	if (ret) {
 		dev_err(&adis->spi->dev, "Failed to read register 0x%02X: %d\n",
-				reg, ret);
+			reg, ret);
 		return ret;
-	} else {
-		adis->current_page = page;
 	}
 
+	adis->current_page = page;
+
 	switch (size) {
 	case 4:
 		*val = get_unaligned_be32(adis->rx);
@@ -218,7 +218,7 @@ int __adis_read_reg(struct adis *adis, unsigned int reg,
 
 	return ret;
 }
-EXPORT_SYMBOL_GPL(__adis_read_reg);
+EXPORT_SYMBOL_NS_GPL(__adis_read_reg, IIO_ADISLIB);
 /**
  * __adis_update_bits_base() - ADIS Update bits function - Unlocked version
  * @adis: The adis device
@@ -243,17 +243,17 @@ int __adis_update_bits_base(struct adis *adis, unsigned int reg, const u32 mask,
 
 	return __adis_write_reg(adis, reg, __val, size);
 }
-EXPORT_SYMBOL_GPL(__adis_update_bits_base);
+EXPORT_SYMBOL_NS_GPL(__adis_update_bits_base, IIO_ADISLIB);
 
 #ifdef CONFIG_DEBUG_FS
 
-int adis_debugfs_reg_access(struct iio_dev *indio_dev,
-	unsigned int reg, unsigned int writeval, unsigned int *readval)
+int adis_debugfs_reg_access(struct iio_dev *indio_dev, unsigned int reg,
+			    unsigned int writeval, unsigned int *readval)
 {
 	struct adis *adis = iio_device_get_drvdata(indio_dev);
 
 	if (readval) {
-		uint16_t val16;
+		u16 val16;
 		int ret;
 
 		ret = adis_read_reg_16(adis, reg, &val16);
@@ -261,11 +261,11 @@ int adis_debugfs_reg_access(struct iio_dev *indio_dev,
 			*readval = val16;
 
 		return ret;
-	} else {
-		return adis_write_reg_16(adis, reg, writeval);
 	}
+
+	return adis_write_reg_16(adis, reg, writeval);
 }
-EXPORT_SYMBOL(adis_debugfs_reg_access);
+EXPORT_SYMBOL_NS(adis_debugfs_reg_access, IIO_ADISLIB);
 
 #endif
 
@@ -279,14 +279,16 @@ EXPORT_SYMBOL(adis_debugfs_reg_access);
 int adis_enable_irq(struct adis *adis, bool enable)
 {
 	int ret = 0;
-	uint16_t msc;
+	u16 msc;
 
 	mutex_lock(&adis->state_lock);
 
 	if (adis->data->enable_irq) {
 		ret = adis->data->enable_irq(adis, enable);
 		goto out_unlock;
-	} else if (adis->data->unmasked_drdy) {
+	}
+
+	if (adis->data->unmasked_drdy) {
 		if (enable)
 			enable_irq(adis->spi->irq);
 		else
@@ -312,7 +314,7 @@ out_unlock:
 	mutex_unlock(&adis->state_lock);
 	return ret;
 }
-EXPORT_SYMBOL(adis_enable_irq);
+EXPORT_SYMBOL_NS(adis_enable_irq, IIO_ADISLIB);
 
 /**
  * __adis_check_status() - Check the device for error conditions (unlocked)
@@ -322,7 +324,7 @@ EXPORT_SYMBOL(adis_enable_irq);
  */
 int __adis_check_status(struct adis *adis)
 {
-	uint16_t status;
+	u16 status;
 	int ret;
 	int i;
 
@@ -344,7 +346,7 @@ int __adis_check_status(struct adis *adis)
 
 	return -EIO;
 }
-EXPORT_SYMBOL_GPL(__adis_check_status);
+EXPORT_SYMBOL_NS_GPL(__adis_check_status, IIO_ADISLIB);
 
 /**
  * __adis_reset() - Reset the device (unlocked version)
@@ -358,7 +360,7 @@ int __adis_reset(struct adis *adis)
 	const struct adis_timeout *timeouts = adis->data->timeouts;
 
 	ret = __adis_write_reg_8(adis, adis->data->glob_cmd_reg,
-			ADIS_GLOB_CMD_SW_RESET);
+				 ADIS_GLOB_CMD_SW_RESET);
 	if (ret) {
 		dev_err(&adis->spi->dev, "Failed to reset device: %d\n", ret);
 		return ret;
@@ -368,7 +370,7 @@ int __adis_reset(struct adis *adis)
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(__adis_reset);
+EXPORT_SYMBOL_NS_GPL(__adis_reset, IIO_ADIS_LIB);
 
 static int adis_self_test(struct adis *adis)
 {
@@ -414,7 +416,7 @@ int __adis_initial_startup(struct adis *adis)
 {
 	const struct adis_timeout *timeouts = adis->data->timeouts;
 	struct gpio_desc *gpio;
-	uint16_t prod_id;
+	u16 prod_id;
 	int ret;
 
 	/* check if the device has rst pin low */
@@ -423,7 +425,7 @@ int __adis_initial_startup(struct adis *adis)
 		return PTR_ERR(gpio);
 
 	if (gpio) {
-		msleep(10);
+		usleep_range(10, 12);
 		/* bring device out of reset */
 		gpiod_set_value_cansleep(gpio, 0);
 		msleep(timeouts->reset_ms);
@@ -459,7 +461,7 @@ int __adis_initial_startup(struct adis *adis)
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(__adis_initial_startup);
+EXPORT_SYMBOL_NS_GPL(__adis_initial_startup, IIO_ADISLIB);
 
 /**
  * adis_single_conversion() - Performs a single sample conversion
@@ -477,7 +479,8 @@ EXPORT_SYMBOL_GPL(__adis_initial_startup);
  * a error bit in the channels raw value set error_mask to 0.
  */
 int adis_single_conversion(struct iio_dev *indio_dev,
-	const struct iio_chan_spec *chan, unsigned int error_mask, int *val)
+			   const struct iio_chan_spec *chan,
+			   unsigned int error_mask, int *val)
 {
 	struct adis *adis = iio_device_get_drvdata(indio_dev);
 	unsigned int uval;
@@ -486,7 +489,7 @@ int adis_single_conversion(struct iio_dev *indio_dev,
 	mutex_lock(&adis->state_lock);
 
 	ret = __adis_read_reg(adis, chan->address, &uval,
-			chan->scan_type.storagebits / 8);
+			      chan->scan_type.storagebits / 8);
 	if (ret)
 		goto err_unlock;
 
@@ -506,7 +509,7 @@ err_unlock:
 	mutex_unlock(&adis->state_lock);
 	return ret;
 }
-EXPORT_SYMBOL_GPL(adis_single_conversion);
+EXPORT_SYMBOL_NS_GPL(adis_single_conversion, IIO_ADISLIB);
 
 /**
  * adis_init() - Initialize adis device structure
@@ -521,7 +524,7 @@ EXPORT_SYMBOL_GPL(adis_single_conversion);
  * called.
  */
 int adis_init(struct adis *adis, struct iio_dev *indio_dev,
-	struct spi_device *spi, const struct adis_data *data)
+	      struct spi_device *spi, const struct adis_data *data)
 {
 	if (!data || !data->timeouts) {
 		dev_err(&spi->dev, "No config data or timeouts not defined!\n");
@@ -543,7 +546,7 @@ int adis_init(struct adis *adis, struct iio_dev *indio_dev,
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(adis_init);
+EXPORT_SYMBOL_NS_GPL(adis_init, IIO_ADISLIB);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
diff --git a/drivers/iio/imu/adis16400.c b/drivers/iio/imu/adis16400.c
index 9fd30e62d6e8..17bb0c40a149 100644
--- a/drivers/iio/imu/adis16400.c
+++ b/drivers/iio/imu/adis16400.c
@@ -1240,3 +1240,4 @@ module_spi_driver(adis16400_driver);
 MODULE_AUTHOR("Manuel Stahl <manuel.stahl@iis.fraunhofer.de>");
 MODULE_DESCRIPTION("Analog Devices ADIS16400/5 IMU SPI driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ADISLIB);
diff --git a/drivers/iio/imu/adis16460.c b/drivers/iio/imu/adis16460.c
index b01988170118..69facd72bd7d 100644
--- a/drivers/iio/imu/adis16460.c
+++ b/drivers/iio/imu/adis16460.c
@@ -428,3 +428,4 @@ module_spi_driver(adis16460_driver);
 MODULE_AUTHOR("Dragos Bogdan <dragos.bogdan@analog.com>");
 MODULE_DESCRIPTION("Analog Devices ADIS16460 IMU driver");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_ADISLIB);
diff --git a/drivers/iio/imu/adis16475.c b/drivers/iio/imu/adis16475.c
index ea91d127077d..ff2b0fab840a 100644
--- a/drivers/iio/imu/adis16475.c
+++ b/drivers/iio/imu/adis16475.c
@@ -1365,3 +1365,4 @@ module_spi_driver(adis16475_driver);
 MODULE_AUTHOR("Nuno Sa <nuno.sa@analog.com>");
 MODULE_DESCRIPTION("Analog Devices ADIS16475 IMU driver");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_ADISLIB);
diff --git a/drivers/iio/imu/adis16480.c b/drivers/iio/imu/adis16480.c
index f9b4540db1f4..44bbe3d19907 100644
--- a/drivers/iio/imu/adis16480.c
+++ b/drivers/iio/imu/adis16480.c
@@ -1538,3 +1538,4 @@ module_spi_driver(adis16480_driver);
 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
 MODULE_DESCRIPTION("Analog Devices ADIS16480 IMU driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ADISLIB);
diff --git a/drivers/iio/imu/adis_buffer.c b/drivers/iio/imu/adis_buffer.c
index 351c303c8a8c..928933027ae3 100644
--- a/drivers/iio/imu/adis_buffer.c
+++ b/drivers/iio/imu/adis_buffer.c
@@ -20,7 +20,7 @@
 #include <linux/iio/imu/adis.h>
 
 static int adis_update_scan_mode_burst(struct iio_dev *indio_dev,
-	const unsigned long *scan_mask)
+				       const unsigned long *scan_mask)
 {
 	struct adis *adis = iio_device_get_drvdata(indio_dev);
 	unsigned int burst_length, burst_max_length;
@@ -67,7 +67,7 @@ static int adis_update_scan_mode_burst(struct iio_dev *indio_dev,
 }
 
 int adis_update_scan_mode(struct iio_dev *indio_dev,
-	const unsigned long *scan_mask)
+			  const unsigned long *scan_mask)
 {
 	struct adis *adis = iio_device_get_drvdata(indio_dev);
 	const struct iio_chan_spec *chan;
@@ -124,7 +124,7 @@ int adis_update_scan_mode(struct iio_dev *indio_dev,
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(adis_update_scan_mode);
+EXPORT_SYMBOL_NS_GPL(adis_update_scan_mode, IIO_ADISLIB);
 
 static irqreturn_t adis_trigger_handler(int irq, void *p)
 {
@@ -158,7 +158,7 @@ static irqreturn_t adis_trigger_handler(int irq, void *p)
 	}
 
 	iio_push_to_buffers_with_timestamp(indio_dev, adis->buffer,
-		pf->timestamp);
+					   pf->timestamp);
 
 irq_done:
 	iio_trigger_notify_done(indio_dev->trig);
@@ -212,5 +212,5 @@ devm_adis_setup_buffer_and_trigger(struct adis *adis, struct iio_dev *indio_dev,
 	return devm_add_action_or_reset(&adis->spi->dev, adis_buffer_cleanup,
 					adis);
 }
-EXPORT_SYMBOL_GPL(devm_adis_setup_buffer_and_trigger);
+EXPORT_SYMBOL_NS_GPL(devm_adis_setup_buffer_and_trigger, IIO_ADISLIB);
 
diff --git a/drivers/iio/imu/adis_trigger.c b/drivers/iio/imu/adis_trigger.c
index c461bd1e8e69..f890bf842db8 100644
--- a/drivers/iio/imu/adis_trigger.c
+++ b/drivers/iio/imu/adis_trigger.c
@@ -15,8 +15,7 @@
 #include <linux/iio/trigger.h>
 #include <linux/iio/imu/adis.h>
 
-static int adis_data_rdy_trigger_set_state(struct iio_trigger *trig,
-						bool state)
+static int adis_data_rdy_trigger_set_state(struct iio_trigger *trig, bool state)
 {
 	struct adis *adis = iio_trigger_get_drvdata(trig);
 
@@ -88,5 +87,5 @@ int devm_adis_probe_trigger(struct adis *adis, struct iio_dev *indio_dev)
 
 	return devm_iio_trigger_register(&adis->spi->dev, adis->trig);
 }
-EXPORT_SYMBOL_GPL(devm_adis_probe_trigger);
+EXPORT_SYMBOL_NS_GPL(devm_adis_probe_trigger, IIO_ADISLIB);
 
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c
index f8f0cf716bc6..9b4298095d3f 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c
@@ -127,15 +127,14 @@ static int inv_mpu_process_acpi_config(struct i2c_client *client,
 int inv_mpu_acpi_create_mux_client(struct i2c_client *client)
 {
 	struct inv_mpu6050_state *st = iio_priv(dev_get_drvdata(&client->dev));
+	struct acpi_device *adev = ACPI_COMPANION(&client->dev);
 
 	st->mux_client = NULL;
-	if (ACPI_HANDLE(&client->dev)) {
+	if (adev) {
 		struct i2c_board_info info;
 		struct i2c_client *mux_client;
-		struct acpi_device *adev;
 		int ret = -1;
 
-		adev = ACPI_COMPANION(&client->dev);
 		memset(&info, 0, sizeof(info));
 
 		dmi_check_system(inv_mpu_dev_list);
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
index fe03707ec2d3..55cffb5fa115 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
@@ -3,14 +3,14 @@
 * Copyright (C) 2012 Invensense, Inc.
 */
 
-#include <linux/acpi.h>
 #include <linux/delay.h>
 #include <linux/err.h>
 #include <linux/i2c.h>
 #include <linux/iio/iio.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
-#include <linux/of_device.h>
 #include <linux/property.h>
+
 #include "inv_mpu_iio.h"
 
 static const struct regmap_config inv_mpu_regmap_config = {
@@ -51,7 +51,7 @@ static int inv_mpu_i2c_aux_setup(struct iio_dev *indio_dev)
 {
 	struct inv_mpu6050_state *st = iio_priv(indio_dev);
 	struct device *dev = indio_dev->dev.parent;
-	struct device_node *mux_node;
+	struct fwnode_handle *mux_node;
 	int ret;
 
 	/*
@@ -65,12 +65,12 @@ static int inv_mpu_i2c_aux_setup(struct iio_dev *indio_dev)
 	case INV_MPU9150:
 	case INV_MPU9250:
 	case INV_MPU9255:
-		mux_node = of_get_child_by_name(dev->of_node, "i2c-gate");
+		mux_node = device_get_named_child_node(dev, "i2c-gate");
 		if (mux_node != NULL) {
 			st->magn_disabled = true;
 			dev_warn(dev, "disable internal use of magnetometer\n");
 		}
-		of_node_put(mux_node);
+		fwnode_handle_put(mux_node);
 		break;
 	default:
 		break;
@@ -249,11 +249,10 @@ static const struct of_device_id inv_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, inv_of_match);
 
-static const struct acpi_device_id __maybe_unused inv_acpi_match[] = {
+static const struct acpi_device_id inv_acpi_match[] = {
 	{"INVN6500", INV_MPU6500},
 	{ },
 };
-
 MODULE_DEVICE_TABLE(acpi, inv_acpi_match);
 
 static struct i2c_driver inv_mpu_driver = {
@@ -262,7 +261,7 @@ static struct i2c_driver inv_mpu_driver = {
 	.id_table	=	inv_mpu_id,
 	.driver = {
 		.of_match_table = inv_of_match,
-		.acpi_match_table = ACPI_PTR(inv_acpi_match),
+		.acpi_match_table = inv_acpi_match,
 		.name	=	"inv-mpu6050-i2c",
 		.pm     =       &inv_mpu_pmops,
 	},
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
index 6800356b25fb..26a7c2521dc4 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
@@ -2,9 +2,8 @@
 /*
 * Copyright (C) 2015 Intel Corporation Inc.
 */
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
-#include <linux/acpi.h>
-#include <linux/of.h>
 #include <linux/property.h>
 #include <linux/spi/spi.h>
 #include <linux/regmap.h>
@@ -148,7 +147,7 @@ static struct spi_driver inv_mpu_driver = {
 	.id_table	=	inv_mpu_id,
 	.driver = {
 		.of_match_table = inv_of_match,
-		.acpi_match_table = ACPI_PTR(inv_acpi_match),
+		.acpi_match_table = inv_acpi_match,
 		.name	=	"inv-mpu6000-spi",
 		.pm     =       &inv_mpu_pmops,
 	},
diff --git a/drivers/iio/imu/kmx61.c b/drivers/iio/imu/kmx61.c
index f89724481df9..ec23b1ee472b 100644
--- a/drivers/iio/imu/kmx61.c
+++ b/drivers/iio/imu/kmx61.c
@@ -1443,7 +1443,6 @@ static int kmx61_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int kmx61_suspend(struct device *dev)
 {
 	int ret;
@@ -1469,9 +1468,7 @@ static int kmx61_resume(struct device *dev)
 
 	return kmx61_set_mode(data, stby, KMX61_ACC | KMX61_MAG, true);
 }
-#endif
 
-#ifdef CONFIG_PM
 static int kmx61_runtime_suspend(struct device *dev)
 {
 	struct kmx61_data *data = i2c_get_clientdata(to_i2c_client(dev));
@@ -1496,11 +1493,10 @@ static int kmx61_runtime_resume(struct device *dev)
 
 	return kmx61_set_mode(data, stby, KMX61_ACC | KMX61_MAG, true);
 }
-#endif
 
 static const struct dev_pm_ops kmx61_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(kmx61_suspend, kmx61_resume)
-	SET_RUNTIME_PM_OPS(kmx61_runtime_suspend, kmx61_runtime_resume, NULL)
+	SYSTEM_SLEEP_PM_OPS(kmx61_suspend, kmx61_resume)
+	RUNTIME_PM_OPS(kmx61_runtime_suspend, kmx61_runtime_resume, NULL)
 };
 
 static const struct acpi_device_id kmx61_acpi_match[] = {
@@ -1521,7 +1517,7 @@ static struct i2c_driver kmx61_driver = {
 	.driver = {
 		.name = KMX61_DRV_NAME,
 		.acpi_match_table = ACPI_PTR(kmx61_acpi_match),
-		.pm = &kmx61_pm_ops,
+		.pm = pm_ptr(&kmx61_pm_ops),
 	},
 	.probe		= kmx61_probe,
 	.remove		= kmx61_remove,
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
index 93f0c6bce502..b1d8d5a66f01 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -1633,7 +1633,7 @@ st_lsm6dsx_sysfs_sampling_frequency_avail(struct device *dev,
 					  struct device_attribute *attr,
 					  char *buf)
 {
-	struct st_lsm6dsx_sensor *sensor = iio_priv(dev_get_drvdata(dev));
+	struct st_lsm6dsx_sensor *sensor = iio_priv(dev_to_iio_dev(dev));
 	const struct st_lsm6dsx_odr_table_entry *odr_table;
 	int i, len = 0;
 
@@ -1651,7 +1651,7 @@ static ssize_t st_lsm6dsx_sysfs_scale_avail(struct device *dev,
 					    struct device_attribute *attr,
 					    char *buf)
 {
-	struct st_lsm6dsx_sensor *sensor = iio_priv(dev_get_drvdata(dev));
+	struct st_lsm6dsx_sensor *sensor = iio_priv(dev_to_iio_dev(dev));
 	const struct st_lsm6dsx_fs_table_entry *fs_table;
 	struct st_lsm6dsx_hw *hw = sensor->hw;
 	int i, len = 0;
diff --git a/drivers/iio/imu/st_lsm9ds0/Kconfig b/drivers/iio/imu/st_lsm9ds0/Kconfig
index 53b7017014f8..d29558edee60 100644
--- a/drivers/iio/imu/st_lsm9ds0/Kconfig
+++ b/drivers/iio/imu/st_lsm9ds0/Kconfig
@@ -5,8 +5,6 @@ config IIO_ST_LSM9DS0
 	depends on (I2C || SPI_MASTER) && SYSFS
 	depends on !SENSORS_LIS3_I2C
 	depends on !SENSORS_LIS3_SPI
-	select IIO_ST_LSM9DS0_I2C if I2C
-	select IIO_ST_LSM9DS0_SPI if SPI_MASTER
 	select IIO_ST_ACCEL_3AXIS
 	select IIO_ST_MAGN_3AXIS
 
@@ -17,12 +15,30 @@ config IIO_ST_LSM9DS0
 	  To compile this driver as a module, choose M here: the module
 	  will be called st_lsm9ds0.
 
+	  Also need to enable at least one of I2C and SPI interface drivers
+
 config IIO_ST_LSM9DS0_I2C
-	tristate
-	depends on IIO_ST_LSM9DS0
+	tristate "STMicroelectronics LSM9DS0 IMU I2C interface"
+	depends on I2C && IIO_ST_LSM9DS0
+	default I2C && IIO_ST_LSM9DS0
+	select IIO_ST_ACCEL_I2C_3AXIS
+	select IIO_ST_MAGN_I2C_3AXIS
 	select REGMAP_I2C
+	help
+	  Build support for STMicroelectronics LSM9DS0 IMU I2C interface.
+
+	  To compile this driver as a module, choose M here. The module
+	  will be called st_lsm9ds0_i2c.
 
 config IIO_ST_LSM9DS0_SPI
-	tristate
-	depends on IIO_ST_LSM9DS0
+	tristate "STMicroelectronics LSM9DS0 IMU SPI interface"
+	depends on SPI_MASTER && IIO_ST_LSM9DS0
+	default SPI_MASTER && IIO_ST_LSM9DS0
+	select IIO_ST_ACCEL_SPI_3AXIS
+	select IIO_ST_MAGN_SPI_3AXIS
 	select REGMAP_SPI
+	help
+	  Build support for STMicroelectronics LSM9DS0 IMU I2C interface.
+
+	  To compile this driver as a module, choose M here. The module
+	  will be called st_lsm9ds0_spi.
diff --git a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_core.c b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_core.c
index 9fb06b7cde3c..ae7bc815382f 100644
--- a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_core.c
+++ b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_core.c
@@ -142,8 +142,9 @@ int st_lsm9ds0_probe(struct st_lsm9ds0 *lsm9ds0, struct regmap *regmap)
 	/* Setup magnetometer device */
 	return st_lsm9ds0_probe_magn(lsm9ds0, regmap);
 }
-EXPORT_SYMBOL_GPL(st_lsm9ds0_probe);
+EXPORT_SYMBOL_NS_GPL(st_lsm9ds0_probe, IIO_ST_SENSORS);
 
 MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
 MODULE_DESCRIPTION("STMicroelectronics LSM9DS0 IMU core driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);
diff --git a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c
index 8f205c477e6f..a90138d8b06a 100644
--- a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c
+++ b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c
@@ -77,3 +77,4 @@ module_i2c_driver(st_lsm9ds0_driver);
 MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
 MODULE_DESCRIPTION("STMicroelectronics LSM9DS0 IMU I2C driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);
diff --git a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c
index 0ddfa53166af..b743bf3546a7 100644
--- a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c
+++ b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c
@@ -76,3 +76,4 @@ module_spi_driver(st_lsm9ds0_driver);
 MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
 MODULE_DESCRIPTION("STMicroelectronics LSM9DS0 IMU SPI driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index 208b5193c621..b078eb2f3c9d 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -1383,9 +1383,9 @@ static ssize_t direction_show(struct device *dev,
 
 	switch (buffer->direction) {
 	case IIO_BUFFER_DIRECTION_IN:
-		return sprintf(buf, "in\n");
+		return sysfs_emit(buf, "in\n");
 	case IIO_BUFFER_DIRECTION_OUT:
-		return sprintf(buf, "out\n");
+		return sysfs_emit(buf, "out\n");
 	default:
 		return -EINVAL;
 	}
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 409c278a4c2c..e1ed44dec2ab 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -747,7 +747,7 @@ static ssize_t iio_read_channel_label(struct device *dev,
 		return indio_dev->info->read_label(indio_dev, this_attr->c, buf);
 
 	if (this_attr->c->extend_name)
-		return sprintf(buf, "%s\n", this_attr->c->extend_name);
+		return sysfs_emit(buf, "%s\n", this_attr->c->extend_name);
 
 	return -EINVAL;
 }
diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c
index d0732eac0f0a..ce8b102ce52f 100644
--- a/drivers/iio/industrialio-event.c
+++ b/drivers/iio/industrialio-event.c
@@ -230,6 +230,7 @@ static const char * const iio_ev_type_text[] = {
 	[IIO_EV_TYPE_THRESH_ADAPTIVE] = "thresh_adaptive",
 	[IIO_EV_TYPE_MAG_ADAPTIVE] = "mag_adaptive",
 	[IIO_EV_TYPE_CHANGE] = "change",
+	[IIO_EV_TYPE_MAG_REFERENCED] = "mag_referenced",
 };
 
 static const char * const iio_ev_dir_text[] = {
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index 0222885b334c..df74765d33dc 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -595,28 +595,50 @@ EXPORT_SYMBOL_GPL(iio_read_channel_average_raw);
 static int iio_convert_raw_to_processed_unlocked(struct iio_channel *chan,
 	int raw, int *processed, unsigned int scale)
 {
-	int scale_type, scale_val, scale_val2, offset;
+	int scale_type, scale_val, scale_val2;
+	int offset_type, offset_val, offset_val2;
 	s64 raw64 = raw;
-	int ret;
 
-	ret = iio_channel_read(chan, &offset, NULL, IIO_CHAN_INFO_OFFSET);
-	if (ret >= 0)
-		raw64 += offset;
+	offset_type = iio_channel_read(chan, &offset_val, &offset_val2,
+				       IIO_CHAN_INFO_OFFSET);
+	if (offset_type >= 0) {
+		switch (offset_type) {
+		case IIO_VAL_INT:
+			break;
+		case IIO_VAL_INT_PLUS_MICRO:
+		case IIO_VAL_INT_PLUS_NANO:
+			/*
+			 * Both IIO_VAL_INT_PLUS_MICRO and IIO_VAL_INT_PLUS_NANO
+			 * implicitely truncate the offset to it's integer form.
+			 */
+			break;
+		case IIO_VAL_FRACTIONAL:
+			offset_val /= offset_val2;
+			break;
+		case IIO_VAL_FRACTIONAL_LOG2:
+			offset_val >>= offset_val2;
+			break;
+		default:
+			return -EINVAL;
+		}
+
+		raw64 += offset_val;
+	}
 
 	scale_type = iio_channel_read(chan, &scale_val, &scale_val2,
 					IIO_CHAN_INFO_SCALE);
 	if (scale_type < 0) {
 		/*
-		 * Just pass raw values as processed if no scaling is
-		 * available.
+		 * If no channel scaling is available apply consumer scale to
+		 * raw value and return.
 		 */
-		*processed = raw;
+		*processed = raw * scale;
 		return 0;
 	}
 
 	switch (scale_type) {
 	case IIO_VAL_INT:
-		*processed = raw64 * scale_val;
+		*processed = raw64 * scale_val * scale;
 		break;
 	case IIO_VAL_INT_PLUS_MICRO:
 		if (scale_val2 < 0)
diff --git a/drivers/iio/light/apds9300.c b/drivers/iio/light/apds9300.c
index baaf202dce05..0f9d77598997 100644
--- a/drivers/iio/light/apds9300.c
+++ b/drivers/iio/light/apds9300.c
@@ -466,7 +466,6 @@ static int apds9300_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int apds9300_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
@@ -493,11 +492,8 @@ static int apds9300_resume(struct device *dev)
 	return ret;
 }
 
-static SIMPLE_DEV_PM_OPS(apds9300_pm_ops, apds9300_suspend, apds9300_resume);
-#define APDS9300_PM_OPS (&apds9300_pm_ops)
-#else
-#define APDS9300_PM_OPS NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(apds9300_pm_ops, apds9300_suspend,
+				apds9300_resume);
 
 static const struct i2c_device_id apds9300_id[] = {
 	{ APDS9300_DRV_NAME, 0 },
@@ -509,7 +505,7 @@ MODULE_DEVICE_TABLE(i2c, apds9300_id);
 static struct i2c_driver apds9300_driver = {
 	.driver = {
 		.name	= APDS9300_DRV_NAME,
-		.pm	= APDS9300_PM_OPS,
+		.pm	= pm_sleep_ptr(&apds9300_pm_ops),
 	},
 	.probe		= apds9300_probe,
 	.remove		= apds9300_remove,
diff --git a/drivers/iio/light/bh1780.c b/drivers/iio/light/bh1780.c
index abbf2e662e7d..790d3d613979 100644
--- a/drivers/iio/light/bh1780.c
+++ b/drivers/iio/light/bh1780.c
@@ -221,7 +221,6 @@ static int bh1780_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM
 static int bh1780_runtime_suspend(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
@@ -256,14 +255,9 @@ static int bh1780_runtime_resume(struct device *dev)
 
 	return 0;
 }
-#endif /* CONFIG_PM */
 
-static const struct dev_pm_ops bh1780_dev_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
-				pm_runtime_force_resume)
-	SET_RUNTIME_PM_OPS(bh1780_runtime_suspend,
-			   bh1780_runtime_resume, NULL)
-};
+static DEFINE_RUNTIME_DEV_PM_OPS(bh1780_dev_pm_ops, bh1780_runtime_suspend,
+				bh1780_runtime_resume, NULL);
 
 static const struct i2c_device_id bh1780_id[] = {
 	{ "bh1780", 0 },
@@ -284,7 +278,7 @@ static struct i2c_driver bh1780_driver = {
 	.id_table	= bh1780_id,
 	.driver = {
 		.name = "bh1780",
-		.pm = &bh1780_dev_pm_ops,
+		.pm = pm_ptr(&bh1780_dev_pm_ops),
 		.of_match_table = of_bh1780_match,
 	},
 };
diff --git a/drivers/iio/light/cm3232.c b/drivers/iio/light/cm3232.c
index 18a410340dc5..2c80a0535d2c 100644
--- a/drivers/iio/light/cm3232.c
+++ b/drivers/iio/light/cm3232.c
@@ -374,7 +374,6 @@ static const struct i2c_device_id cm3232_id[] = {
 	{}
 };
 
-#ifdef CONFIG_PM_SLEEP
 static int cm3232_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
@@ -403,9 +402,7 @@ static int cm3232_resume(struct device *dev)
 	return ret;
 }
 
-static const struct dev_pm_ops cm3232_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(cm3232_suspend, cm3232_resume)};
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(cm3232_pm_ops, cm3232_suspend, cm3232_resume);
 
 MODULE_DEVICE_TABLE(i2c, cm3232_id);
 
@@ -419,9 +416,7 @@ static struct i2c_driver cm3232_driver = {
 	.driver = {
 		.name	= "cm3232",
 		.of_match_table = cm3232_of_match,
-#ifdef CONFIG_PM_SLEEP
-		.pm	= &cm3232_pm_ops,
-#endif
+		.pm	= pm_sleep_ptr(&cm3232_pm_ops),
 	},
 	.id_table	= cm3232_id,
 	.probe		= cm3232_probe,
diff --git a/drivers/iio/light/isl29018.c b/drivers/iio/light/isl29018.c
index 2689867467a8..b36f8b7ca68e 100644
--- a/drivers/iio/light/isl29018.c
+++ b/drivers/iio/light/isl29018.c
@@ -784,7 +784,6 @@ static int isl29018_probe(struct i2c_client *client,
 	return devm_iio_device_register(&client->dev, indio_dev);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int isl29018_suspend(struct device *dev)
 {
 	struct isl29018_chip *chip = iio_priv(dev_get_drvdata(dev));
@@ -830,11 +829,8 @@ static int isl29018_resume(struct device *dev)
 	return err;
 }
 
-static SIMPLE_DEV_PM_OPS(isl29018_pm_ops, isl29018_suspend, isl29018_resume);
-#define ISL29018_PM_OPS (&isl29018_pm_ops)
-#else
-#define ISL29018_PM_OPS NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(isl29018_pm_ops, isl29018_suspend,
+				isl29018_resume);
 
 #ifdef CONFIG_ACPI
 static const struct acpi_device_id isl29018_acpi_match[] = {
@@ -866,7 +862,7 @@ static struct i2c_driver isl29018_driver = {
 	.driver	 = {
 			.name = "isl29018",
 			.acpi_match_table = ACPI_PTR(isl29018_acpi_match),
-			.pm = ISL29018_PM_OPS,
+			.pm = pm_sleep_ptr(&isl29018_pm_ops),
 			.of_match_table = isl29018_of_match,
 		    },
 	.probe	 = isl29018_probe,
diff --git a/drivers/iio/light/isl29125.c b/drivers/iio/light/isl29125.c
index ba53b50d711a..eb68a52aab82 100644
--- a/drivers/iio/light/isl29125.c
+++ b/drivers/iio/light/isl29125.c
@@ -311,7 +311,6 @@ static int isl29125_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int isl29125_suspend(struct device *dev)
 {
 	struct isl29125_data *data = iio_priv(i2c_get_clientdata(
@@ -326,9 +325,9 @@ static int isl29125_resume(struct device *dev)
 	return i2c_smbus_write_byte_data(data->client, ISL29125_CONF1,
 		data->conf1);
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(isl29125_pm_ops, isl29125_suspend, isl29125_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(isl29125_pm_ops, isl29125_suspend,
+				isl29125_resume);
 
 static const struct i2c_device_id isl29125_id[] = {
 	{ "isl29125", 0 },
@@ -339,7 +338,7 @@ MODULE_DEVICE_TABLE(i2c, isl29125_id);
 static struct i2c_driver isl29125_driver = {
 	.driver = {
 		.name	= ISL29125_DRV_NAME,
-		.pm	= &isl29125_pm_ops,
+		.pm	= pm_sleep_ptr(&isl29125_pm_ops),
 	},
 	.probe		= isl29125_probe,
 	.remove		= isl29125_remove,
diff --git a/drivers/iio/light/jsa1212.c b/drivers/iio/light/jsa1212.c
index 724a0ec9f35c..a55194263d23 100644
--- a/drivers/iio/light/jsa1212.c
+++ b/drivers/iio/light/jsa1212.c
@@ -383,7 +383,6 @@ static int jsa1212_remove(struct i2c_client *client)
 	return jsa1212_power_off(data);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int jsa1212_suspend(struct device *dev)
 {
 	struct jsa1212_data *data;
@@ -421,12 +420,8 @@ unlock_and_ret:
 	return ret;
 }
 
-static SIMPLE_DEV_PM_OPS(jsa1212_pm_ops, jsa1212_suspend, jsa1212_resume);
-
-#define JSA1212_PM_OPS (&jsa1212_pm_ops)
-#else
-#define JSA1212_PM_OPS NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(jsa1212_pm_ops, jsa1212_suspend,
+				jsa1212_resume);
 
 static const struct acpi_device_id jsa1212_acpi_match[] = {
 	{"JSA1212", 0},
@@ -443,7 +438,7 @@ MODULE_DEVICE_TABLE(i2c, jsa1212_id);
 static struct i2c_driver jsa1212_driver = {
 	.driver = {
 		.name	= JSA1212_DRIVER_NAME,
-		.pm	= JSA1212_PM_OPS,
+		.pm	= pm_sleep_ptr(&jsa1212_pm_ops),
 		.acpi_match_table = ACPI_PTR(jsa1212_acpi_match),
 	},
 	.probe		= jsa1212_probe,
diff --git a/drivers/iio/light/lm3533-als.c b/drivers/iio/light/lm3533-als.c
index 8a621244dd01..827bc25269e9 100644
--- a/drivers/iio/light/lm3533-als.c
+++ b/drivers/iio/light/lm3533-als.c
@@ -417,7 +417,7 @@ static ssize_t show_thresh_either_en(struct device *dev,
 		enable = 0;
 	}
 
-	return scnprintf(buf, PAGE_SIZE, "%u\n", enable);
+	return sysfs_emit(buf, "%u\n", enable);
 }
 
 static ssize_t store_thresh_either_en(struct device *dev,
@@ -474,7 +474,7 @@ static ssize_t show_zone(struct device *dev,
 	if (ret)
 		return ret;
 
-	return scnprintf(buf, PAGE_SIZE, "%u\n", zone);
+	return sysfs_emit(buf, "%u\n", zone);
 }
 
 enum lm3533_als_attribute_type {
@@ -530,7 +530,7 @@ static ssize_t show_als_attr(struct device *dev,
 	if (ret)
 		return ret;
 
-	return scnprintf(buf, PAGE_SIZE, "%u\n", val);
+	return sysfs_emit(buf, "%u\n", val);
 }
 
 static ssize_t store_als_attr(struct device *dev,
diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c
index 47d61ec2bb50..679a1e1086ae 100644
--- a/drivers/iio/light/ltr501.c
+++ b/drivers/iio/light/ltr501.c
@@ -1611,7 +1611,6 @@ static int ltr501_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int ltr501_suspend(struct device *dev)
 {
 	struct ltr501_data *data = iio_priv(i2c_get_clientdata(
@@ -1627,23 +1626,22 @@ static int ltr501_resume(struct device *dev)
 	return ltr501_write_contr(data, data->als_contr,
 		data->ps_contr);
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(ltr501_pm_ops, ltr501_suspend, ltr501_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(ltr501_pm_ops, ltr501_suspend, ltr501_resume);
 
 static const struct acpi_device_id ltr_acpi_match[] = {
-	{"LTER0501", ltr501},
-	{"LTER0559", ltr559},
-	{"LTER0301", ltr301},
+	{ "LTER0501", ltr501 },
+	{ "LTER0559", ltr559 },
+	{ "LTER0301", ltr301 },
 	{ },
 };
 MODULE_DEVICE_TABLE(acpi, ltr_acpi_match);
 
 static const struct i2c_device_id ltr501_id[] = {
-	{ "ltr501", ltr501},
-	{ "ltr559", ltr559},
-	{ "ltr301", ltr301},
-	{ "ltr303", ltr303},
+	{ "ltr501", ltr501 },
+	{ "ltr559", ltr559 },
+	{ "ltr301", ltr301 },
+	{ "ltr303", ltr303 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, ltr501_id);
@@ -1661,7 +1659,7 @@ static struct i2c_driver ltr501_driver = {
 	.driver = {
 		.name   = LTR501_DRV_NAME,
 		.of_match_table = ltr501_of_match,
-		.pm	= &ltr501_pm_ops,
+		.pm	= pm_sleep_ptr(&ltr501_pm_ops),
 		.acpi_match_table = ACPI_PTR(ltr_acpi_match),
 	},
 	.probe  = ltr501_probe,
diff --git a/drivers/iio/light/pa12203001.c b/drivers/iio/light/pa12203001.c
index a52b2c788540..528fa5dd2b13 100644
--- a/drivers/iio/light/pa12203001.c
+++ b/drivers/iio/light/pa12203001.c
@@ -452,14 +452,14 @@ static const struct dev_pm_ops pa12203001_pm_ops = {
 };
 
 static const struct acpi_device_id pa12203001_acpi_match[] = {
-	{ "TXCPA122", 0},
+	{ "TXCPA122", 0 },
 	{}
 };
 
 MODULE_DEVICE_TABLE(acpi, pa12203001_acpi_match);
 
 static const struct i2c_device_id pa12203001_id[] = {
-		{"txcpa122", 0},
+		{ "txcpa122", 0 },
 		{}
 };
 
diff --git a/drivers/iio/light/rpr0521.c b/drivers/iio/light/rpr0521.c
index c2dd8a3d4217..dabdd05f0e2c 100644
--- a/drivers/iio/light/rpr0521.c
+++ b/drivers/iio/light/rpr0521.c
@@ -1055,7 +1055,6 @@ static int rpr0521_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM
 static int rpr0521_runtime_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
@@ -1101,11 +1100,9 @@ static int rpr0521_runtime_resume(struct device *dev)
 
 	return 0;
 }
-#endif
 
 static const struct dev_pm_ops rpr0521_pm_ops = {
-	SET_RUNTIME_PM_OPS(rpr0521_runtime_suspend,
-			   rpr0521_runtime_resume, NULL)
+	RUNTIME_PM_OPS(rpr0521_runtime_suspend, rpr0521_runtime_resume, NULL)
 };
 
 static const struct acpi_device_id rpr0521_acpi_match[] = {
@@ -1124,7 +1121,7 @@ MODULE_DEVICE_TABLE(i2c, rpr0521_id);
 static struct i2c_driver rpr0521_driver = {
 	.driver = {
 		.name	= RPR0521_DRV_NAME,
-		.pm	= &rpr0521_pm_ops,
+		.pm	= pm_ptr(&rpr0521_pm_ops),
 		.acpi_match_table = ACPI_PTR(rpr0521_acpi_match),
 	},
 	.probe		= rpr0521_probe,
diff --git a/drivers/iio/light/st_uvis25_core.c b/drivers/iio/light/st_uvis25_core.c
index 41a2ce5a2d53..3d4cc1180b6a 100644
--- a/drivers/iio/light/st_uvis25_core.c
+++ b/drivers/iio/light/st_uvis25_core.c
@@ -323,7 +323,7 @@ int st_uvis25_probe(struct device *dev, int irq, struct regmap *regmap)
 
 	return devm_iio_device_register(dev, iio_dev);
 }
-EXPORT_SYMBOL(st_uvis25_probe);
+EXPORT_SYMBOL_NS(st_uvis25_probe, IIO_UVIS25);
 
 static int __maybe_unused st_uvis25_suspend(struct device *dev)
 {
@@ -349,7 +349,7 @@ static int __maybe_unused st_uvis25_resume(struct device *dev)
 const struct dev_pm_ops st_uvis25_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(st_uvis25_suspend, st_uvis25_resume)
 };
-EXPORT_SYMBOL(st_uvis25_pm_ops);
+EXPORT_SYMBOL_NS(st_uvis25_pm_ops, IIO_UVIS25);
 
 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
 MODULE_DESCRIPTION("STMicroelectronics uvis25 sensor driver");
diff --git a/drivers/iio/light/st_uvis25_i2c.c b/drivers/iio/light/st_uvis25_i2c.c
index 98cd49eefe45..b06d09af28a3 100644
--- a/drivers/iio/light/st_uvis25_i2c.c
+++ b/drivers/iio/light/st_uvis25_i2c.c
@@ -66,3 +66,4 @@ module_i2c_driver(st_uvis25_driver);
 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
 MODULE_DESCRIPTION("STMicroelectronics uvis25 i2c driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_UVIS25);
diff --git a/drivers/iio/light/st_uvis25_spi.c b/drivers/iio/light/st_uvis25_spi.c
index af9d94d12787..3a4dc6d7180c 100644
--- a/drivers/iio/light/st_uvis25_spi.c
+++ b/drivers/iio/light/st_uvis25_spi.c
@@ -66,3 +66,4 @@ module_spi_driver(st_uvis25_driver);
 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
 MODULE_DESCRIPTION("STMicroelectronics uvis25 spi driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_UVIS25);
diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c
index fc63856ed54d..1d02dfbc29d1 100644
--- a/drivers/iio/light/stk3310.c
+++ b/drivers/iio/light/stk3310.c
@@ -632,7 +632,6 @@ static int stk3310_remove(struct i2c_client *client)
 	return stk3310_set_state(iio_priv(indio_dev), STK3310_STATE_STANDBY);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int stk3310_suspend(struct device *dev)
 {
 	struct stk3310_data *data;
@@ -656,12 +655,8 @@ static int stk3310_resume(struct device *dev)
 	return stk3310_set_state(data, state);
 }
 
-static SIMPLE_DEV_PM_OPS(stk3310_pm_ops, stk3310_suspend, stk3310_resume);
-
-#define STK3310_PM_OPS (&stk3310_pm_ops)
-#else
-#define STK3310_PM_OPS NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(stk3310_pm_ops, stk3310_suspend,
+				stk3310_resume);
 
 static const struct i2c_device_id stk3310_i2c_id[] = {
 	{"STK3310", 0},
@@ -692,7 +687,7 @@ static struct i2c_driver stk3310_driver = {
 	.driver = {
 		.name = "stk3310",
 		.of_match_table = stk3310_of_match,
-		.pm = STK3310_PM_OPS,
+		.pm = pm_sleep_ptr(&stk3310_pm_ops),
 		.acpi_match_table = ACPI_PTR(stk3310_acpi_id),
 	},
 	.probe =            stk3310_probe,
diff --git a/drivers/iio/light/tcs3414.c b/drivers/iio/light/tcs3414.c
index b87222141429..3951536022b3 100644
--- a/drivers/iio/light/tcs3414.c
+++ b/drivers/iio/light/tcs3414.c
@@ -345,7 +345,6 @@ static int tcs3414_probe(struct i2c_client *client,
 	return devm_iio_device_register(&client->dev, indio_dev);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int tcs3414_suspend(struct device *dev)
 {
 	struct tcs3414_data *data = iio_priv(i2c_get_clientdata(
@@ -360,9 +359,9 @@ static int tcs3414_resume(struct device *dev)
 	return i2c_smbus_write_byte_data(data->client, TCS3414_CONTROL,
 		data->control);
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(tcs3414_pm_ops, tcs3414_suspend, tcs3414_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(tcs3414_pm_ops, tcs3414_suspend,
+				tcs3414_resume);
 
 static const struct i2c_device_id tcs3414_id[] = {
 	{ "tcs3414", 0 },
@@ -373,7 +372,7 @@ MODULE_DEVICE_TABLE(i2c, tcs3414_id);
 static struct i2c_driver tcs3414_driver = {
 	.driver = {
 		.name	= TCS3414_DRV_NAME,
-		.pm	= &tcs3414_pm_ops,
+		.pm	= pm_sleep_ptr(&tcs3414_pm_ops),
 	},
 	.probe		= tcs3414_probe,
 	.id_table	= tcs3414_id,
diff --git a/drivers/iio/light/tcs3472.c b/drivers/iio/light/tcs3472.c
index 371c6a39a165..823435f59bb6 100644
--- a/drivers/iio/light/tcs3472.c
+++ b/drivers/iio/light/tcs3472.c
@@ -572,7 +572,6 @@ static int tcs3472_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int tcs3472_suspend(struct device *dev)
 {
 	struct tcs3472_data *data = iio_priv(i2c_get_clientdata(
@@ -598,9 +597,9 @@ static int tcs3472_resume(struct device *dev)
 
 	return ret;
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(tcs3472_pm_ops, tcs3472_suspend, tcs3472_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(tcs3472_pm_ops, tcs3472_suspend,
+				tcs3472_resume);
 
 static const struct i2c_device_id tcs3472_id[] = {
 	{ "tcs3472", 0 },
@@ -611,7 +610,7 @@ MODULE_DEVICE_TABLE(i2c, tcs3472_id);
 static struct i2c_driver tcs3472_driver = {
 	.driver = {
 		.name	= TCS3472_DRV_NAME,
-		.pm	= &tcs3472_pm_ops,
+		.pm	= pm_sleep_ptr(&tcs3472_pm_ops),
 	},
 	.probe		= tcs3472_probe,
 	.remove		= tcs3472_remove,
diff --git a/drivers/iio/light/tsl2563.c b/drivers/iio/light/tsl2563.c
index 5bf2bfbc5379..0a278eea36ca 100644
--- a/drivers/iio/light/tsl2563.c
+++ b/drivers/iio/light/tsl2563.c
@@ -814,7 +814,6 @@ static int tsl2563_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int tsl2563_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
@@ -857,11 +856,8 @@ out:
 	return ret;
 }
 
-static SIMPLE_DEV_PM_OPS(tsl2563_pm_ops, tsl2563_suspend, tsl2563_resume);
-#define TSL2563_PM_OPS (&tsl2563_pm_ops)
-#else
-#define TSL2563_PM_OPS NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(tsl2563_pm_ops, tsl2563_suspend,
+				tsl2563_resume);
 
 static const struct i2c_device_id tsl2563_id[] = {
 	{ "tsl2560", 0 },
@@ -885,7 +881,7 @@ static struct i2c_driver tsl2563_i2c_driver = {
 	.driver = {
 		.name	 = "tsl2563",
 		.of_match_table = tsl2563_of_match,
-		.pm	= TSL2563_PM_OPS,
+		.pm	= pm_sleep_ptr(&tsl2563_pm_ops),
 	},
 	.probe		= tsl2563_probe,
 	.remove		= tsl2563_remove,
diff --git a/drivers/iio/light/tsl2772.c b/drivers/iio/light/tsl2772.c
index d79205361dfa..729f14d9f2a4 100644
--- a/drivers/iio/light/tsl2772.c
+++ b/drivers/iio/light/tsl2772.c
@@ -1902,7 +1902,7 @@ static const struct i2c_device_id tsl2772_idtable[] = {
 	{ "tmd2672", tmd2672 },
 	{ "tsl2772", tsl2772 },
 	{ "tmd2772", tmd2772 },
-	{ "apds9930", apds9930},
+	{ "apds9930", apds9930 },
 	{}
 };
 
diff --git a/drivers/iio/light/tsl4531.c b/drivers/iio/light/tsl4531.c
index 70505ba6d858..6ae1b27e50b6 100644
--- a/drivers/iio/light/tsl4531.c
+++ b/drivers/iio/light/tsl4531.c
@@ -215,7 +215,6 @@ static int tsl4531_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int tsl4531_suspend(struct device *dev)
 {
 	return tsl4531_powerdown(to_i2c_client(dev));
@@ -227,11 +226,8 @@ static int tsl4531_resume(struct device *dev)
 		TSL4531_MODE_NORMAL);
 }
 
-static SIMPLE_DEV_PM_OPS(tsl4531_pm_ops, tsl4531_suspend, tsl4531_resume);
-#define TSL4531_PM_OPS (&tsl4531_pm_ops)
-#else
-#define TSL4531_PM_OPS NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(tsl4531_pm_ops, tsl4531_suspend,
+				tsl4531_resume);
 
 static const struct i2c_device_id tsl4531_id[] = {
 	{ "tsl4531", 0 },
@@ -242,7 +238,7 @@ MODULE_DEVICE_TABLE(i2c, tsl4531_id);
 static struct i2c_driver tsl4531_driver = {
 	.driver = {
 		.name   = TSL4531_DRV_NAME,
-		.pm	= TSL4531_PM_OPS,
+		.pm	= pm_sleep_ptr(&tsl4531_pm_ops),
 	},
 	.probe  = tsl4531_probe,
 	.remove = tsl4531_remove,
diff --git a/drivers/iio/light/us5182d.c b/drivers/iio/light/us5182d.c
index 96e4a66ddf28..1492aaf8d84c 100644
--- a/drivers/iio/light/us5182d.c
+++ b/drivers/iio/light/us5182d.c
@@ -947,15 +947,15 @@ static const struct dev_pm_ops us5182d_pm_ops = {
 };
 
 static const struct acpi_device_id us5182d_acpi_match[] = {
-	{ "USD5182", 0},
+	{ "USD5182", 0 },
 	{}
 };
 
 MODULE_DEVICE_TABLE(acpi, us5182d_acpi_match);
 
 static const struct i2c_device_id us5182d_id[] = {
-		{"usd5182", 0},
-		{}
+	{ "usd5182", 0 },
+	{}
 };
 
 MODULE_DEVICE_TABLE(i2c, us5182d_id);
diff --git a/drivers/iio/light/vcnl4035.c b/drivers/iio/light/vcnl4035.c
index 0db306ee910e..da2bf622a67b 100644
--- a/drivers/iio/light/vcnl4035.c
+++ b/drivers/iio/light/vcnl4035.c
@@ -651,7 +651,7 @@ static const struct dev_pm_ops vcnl4035_pm_ops = {
 };
 
 static const struct i2c_device_id vcnl4035_id[] = {
-	{ "vcnl4035", 0},
+	{ "vcnl4035", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, vcnl4035_id);
diff --git a/drivers/iio/magnetometer/Kconfig b/drivers/iio/magnetometer/Kconfig
index 565ee41ccb3a..54445365c4bc 100644
--- a/drivers/iio/magnetometer/Kconfig
+++ b/drivers/iio/magnetometer/Kconfig
@@ -117,30 +117,35 @@ config IIO_ST_MAGN_3AXIS
 	tristate "STMicroelectronics magnetometers 3-Axis Driver"
 	depends on (I2C || SPI_MASTER) && SYSFS
 	select IIO_ST_SENSORS_CORE
-	select IIO_ST_MAGN_I2C_3AXIS if (I2C)
-	select IIO_ST_MAGN_SPI_3AXIS if (SPI_MASTER)
 	select IIO_TRIGGERED_BUFFER if (IIO_BUFFER)
 	help
 	  Say yes here to build support for STMicroelectronics magnetometers:
 	  LSM303DLHC, LSM303DLM, LIS3MDL.
 
-	  This driver can also be built as a module. If so, these modules
-	  will be created:
-	  - st_magn (core functions for the driver [it is mandatory]);
-	  - st_magn_i2c (necessary for the I2C devices [optional*]);
-	  - st_magn_spi (necessary for the SPI devices [optional*]);
-
-	  (*) one of these is necessary to do something.
+	  Also need to enable at least one of I2C and SPI interface drivers
+	  below.
 
 config IIO_ST_MAGN_I2C_3AXIS
-	tristate
-	depends on IIO_ST_MAGN_3AXIS
-	depends on IIO_ST_SENSORS_I2C
+	tristate "STMicroelectronics magnetometers 3-Axis I2C Interface"
+	depends on I2C && IIO_ST_MAGN_3AXIS
+	default I2C && IIO_ST_MAGN_3AXIS
+	select IIO_ST_SENSORS_I2C
+	help
+	  Build support for STMicroelectronics magnetometers I2C interface.
+
+	  To compile this driver as a module, choose M here. The module
+	  will be called st_magn_i2c.
 
 config IIO_ST_MAGN_SPI_3AXIS
-	tristate
-	depends on IIO_ST_MAGN_3AXIS
-	depends on IIO_ST_SENSORS_SPI
+	tristate "STMicroelectronics magnetometers 3-Axis SPI Interface"
+	depends on SPI_MASTER && IIO_ST_MAGN_3AXIS
+	default SPI_MASTER && IIO_ST_MAGN_3AXIS
+	select IIO_ST_SENSORS_SPI
+	help
+	  Build support for STMicroelectronics magnetometers SPI interface.
+
+	  To compile this driver as a module, choose M here. The module
+	  will be called st_magn_spi.
 
 config SENSORS_HMC5843
 	tristate
diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index 55879a20ae52..088f748b683e 100644
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -1033,7 +1033,6 @@ static int ak8975_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM
 static int ak8975_runtime_suspend(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
@@ -1074,14 +1073,9 @@ static int ak8975_runtime_resume(struct device *dev)
 
 	return 0;
 }
-#endif /* CONFIG_PM */
 
-static const struct dev_pm_ops ak8975_dev_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
-				pm_runtime_force_resume)
-	SET_RUNTIME_PM_OPS(ak8975_runtime_suspend,
-			   ak8975_runtime_resume, NULL)
-};
+static DEFINE_RUNTIME_DEV_PM_OPS(ak8975_dev_pm_ops, ak8975_runtime_suspend,
+				 ak8975_runtime_resume, NULL);
 
 static const struct i2c_device_id ak8975_id[] = {
 	{"ak8975", AK8975},
@@ -1113,7 +1107,7 @@ MODULE_DEVICE_TABLE(of, ak8975_of_match);
 static struct i2c_driver ak8975_driver = {
 	.driver = {
 		.name	= "ak8975",
-		.pm = &ak8975_dev_pm_ops,
+		.pm = pm_ptr(&ak8975_dev_pm_ops),
 		.of_match_table = ak8975_of_match,
 		.acpi_match_table = ak_acpi_match,
 	},
diff --git a/drivers/iio/magnetometer/bmc150_magn.c b/drivers/iio/magnetometer/bmc150_magn.c
index 3d4d21f979fa..64e8b04e654b 100644
--- a/drivers/iio/magnetometer/bmc150_magn.c
+++ b/drivers/iio/magnetometer/bmc150_magn.c
@@ -226,7 +226,7 @@ const struct regmap_config bmc150_magn_regmap_config = {
 	.writeable_reg = bmc150_magn_is_writeable_reg,
 	.volatile_reg = bmc150_magn_is_volatile_reg,
 };
-EXPORT_SYMBOL(bmc150_magn_regmap_config);
+EXPORT_SYMBOL_NS(bmc150_magn_regmap_config, IIO_BMC150_MAGN);
 
 static int bmc150_magn_set_power_mode(struct bmc150_magn_data *data,
 				      enum bmc150_magn_power_modes mode,
@@ -983,7 +983,7 @@ err_poweroff:
 	bmc150_magn_set_power_mode(data, BMC150_MAGN_POWER_MODE_SUSPEND, true);
 	return ret;
 }
-EXPORT_SYMBOL(bmc150_magn_probe);
+EXPORT_SYMBOL_NS(bmc150_magn_probe, IIO_BMC150_MAGN);
 
 int bmc150_magn_remove(struct device *dev)
 {
@@ -1010,7 +1010,7 @@ int bmc150_magn_remove(struct device *dev)
 	regulator_bulk_disable(ARRAY_SIZE(data->regulators), data->regulators);
 	return 0;
 }
-EXPORT_SYMBOL(bmc150_magn_remove);
+EXPORT_SYMBOL_NS(bmc150_magn_remove, IIO_BMC150_MAGN);
 
 #ifdef CONFIG_PM
 static int bmc150_magn_runtime_suspend(struct device *dev)
@@ -1078,7 +1078,7 @@ const struct dev_pm_ops bmc150_magn_pm_ops = {
 	SET_RUNTIME_PM_OPS(bmc150_magn_runtime_suspend,
 			   bmc150_magn_runtime_resume, NULL)
 };
-EXPORT_SYMBOL(bmc150_magn_pm_ops);
+EXPORT_SYMBOL_NS(bmc150_magn_pm_ops, IIO_BMC150_MAGN);
 
 MODULE_AUTHOR("Irina Tirdea <irina.tirdea@intel.com>");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/magnetometer/bmc150_magn_i2c.c b/drivers/iio/magnetometer/bmc150_magn_i2c.c
index 876e96005e33..e39b89661ad1 100644
--- a/drivers/iio/magnetometer/bmc150_magn_i2c.c
+++ b/drivers/iio/magnetometer/bmc150_magn_i2c.c
@@ -80,3 +80,4 @@ module_i2c_driver(bmc150_magn_driver);
 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("BMC150 I2C magnetometer driver");
+MODULE_IMPORT_NS(IIO_BMC150_MAGN);
diff --git a/drivers/iio/magnetometer/bmc150_magn_spi.c b/drivers/iio/magnetometer/bmc150_magn_spi.c
index 4c570412d65c..882987721071 100644
--- a/drivers/iio/magnetometer/bmc150_magn_spi.c
+++ b/drivers/iio/magnetometer/bmc150_magn_spi.c
@@ -64,3 +64,4 @@ module_spi_driver(bmc150_magn_spi_driver);
 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
 MODULE_DESCRIPTION("BMC150 magnetometer SPI driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_BMC150_MAGN);
diff --git a/drivers/iio/magnetometer/hmc5843_core.c b/drivers/iio/magnetometer/hmc5843_core.c
index 5a730d9bdbb0..92eb2d156ddb 100644
--- a/drivers/iio/magnetometer/hmc5843_core.c
+++ b/drivers/iio/magnetometer/hmc5843_core.c
@@ -608,14 +608,14 @@ int hmc5843_common_suspend(struct device *dev)
 	return hmc5843_set_mode(iio_priv(dev_get_drvdata(dev)),
 				HMC5843_MODE_SLEEP);
 }
-EXPORT_SYMBOL(hmc5843_common_suspend);
+EXPORT_SYMBOL_NS(hmc5843_common_suspend, IIO_HMC5843);
 
 int hmc5843_common_resume(struct device *dev)
 {
 	return hmc5843_set_mode(iio_priv(dev_get_drvdata(dev)),
 		HMC5843_MODE_CONVERSION_CONTINUOUS);
 }
-EXPORT_SYMBOL(hmc5843_common_resume);
+EXPORT_SYMBOL_NS(hmc5843_common_resume, IIO_HMC5843);
 
 int hmc5843_common_probe(struct device *dev, struct regmap *regmap,
 			 enum hmc5843_ids id, const char *name)
@@ -669,7 +669,7 @@ buffer_setup_err:
 	hmc5843_set_mode(iio_priv(indio_dev), HMC5843_MODE_SLEEP);
 	return ret;
 }
-EXPORT_SYMBOL(hmc5843_common_probe);
+EXPORT_SYMBOL_NS(hmc5843_common_probe, IIO_HMC5843);
 
 void hmc5843_common_remove(struct device *dev)
 {
@@ -681,7 +681,7 @@ void hmc5843_common_remove(struct device *dev)
 	/*  sleep mode to save power */
 	hmc5843_set_mode(iio_priv(indio_dev), HMC5843_MODE_SLEEP);
 }
-EXPORT_SYMBOL(hmc5843_common_remove);
+EXPORT_SYMBOL_NS(hmc5843_common_remove, IIO_HMC5843);
 
 MODULE_AUTHOR("Shubhrajyoti Datta <shubhrajyoti@ti.com>");
 MODULE_DESCRIPTION("HMC5843/5883/5883L/5983 core driver");
diff --git a/drivers/iio/magnetometer/hmc5843_i2c.c b/drivers/iio/magnetometer/hmc5843_i2c.c
index bc6e12f1d521..8d2ff8fc204d 100644
--- a/drivers/iio/magnetometer/hmc5843_i2c.c
+++ b/drivers/iio/magnetometer/hmc5843_i2c.c
@@ -105,3 +105,4 @@ module_i2c_driver(hmc5843_driver);
 MODULE_AUTHOR("Josef Gajdusek <atx@atx.name>");
 MODULE_DESCRIPTION("HMC5843/5883/5883L/5983 i2c driver");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_HMC5843);
diff --git a/drivers/iio/magnetometer/hmc5843_spi.c b/drivers/iio/magnetometer/hmc5843_spi.c
index a99dd9b33e95..8403f09aba39 100644
--- a/drivers/iio/magnetometer/hmc5843_spi.c
+++ b/drivers/iio/magnetometer/hmc5843_spi.c
@@ -100,3 +100,4 @@ module_spi_driver(hmc5843_driver);
 MODULE_AUTHOR("Josef Gajdusek <atx@atx.name>");
 MODULE_DESCRIPTION("HMC5983 SPI driver");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_HMC5843);
diff --git a/drivers/iio/magnetometer/mag3110.c b/drivers/iio/magnetometer/mag3110.c
index 17c62d806218..226439d0bfb5 100644
--- a/drivers/iio/magnetometer/mag3110.c
+++ b/drivers/iio/magnetometer/mag3110.c
@@ -573,7 +573,6 @@ static int mag3110_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int mag3110_suspend(struct device *dev)
 {
 	struct mag3110_data *data = iio_priv(i2c_get_clientdata(
@@ -623,11 +622,8 @@ static int mag3110_resume(struct device *dev)
 		data->ctrl_reg1);
 }
 
-static SIMPLE_DEV_PM_OPS(mag3110_pm_ops, mag3110_suspend, mag3110_resume);
-#define MAG3110_PM_OPS (&mag3110_pm_ops)
-#else
-#define MAG3110_PM_OPS NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(mag3110_pm_ops, mag3110_suspend,
+				mag3110_resume);
 
 static const struct i2c_device_id mag3110_id[] = {
 	{ "mag3110", 0 },
@@ -645,7 +641,7 @@ static struct i2c_driver mag3110_driver = {
 	.driver = {
 		.name	= "mag3110",
 		.of_match_table = mag3110_of_match,
-		.pm	= MAG3110_PM_OPS,
+		.pm	= pm_sleep_ptr(&mag3110_pm_ops),
 	},
 	.probe = mag3110_probe,
 	.remove = mag3110_remove,
diff --git a/drivers/iio/magnetometer/mmc35240.c b/drivers/iio/magnetometer/mmc35240.c
index 65f3d1ed0d59..186edfcda0b7 100644
--- a/drivers/iio/magnetometer/mmc35240.c
+++ b/drivers/iio/magnetometer/mmc35240.c
@@ -521,7 +521,6 @@ static int mmc35240_probe(struct i2c_client *client,
 	return devm_iio_device_register(&client->dev, indio_dev);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int mmc35240_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
@@ -548,11 +547,9 @@ static int mmc35240_resume(struct device *dev)
 
 	return 0;
 }
-#endif
 
-static const struct dev_pm_ops mmc35240_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(mmc35240_suspend, mmc35240_resume)
-};
+static DEFINE_SIMPLE_DEV_PM_OPS(mmc35240_pm_ops, mmc35240_suspend,
+				mmc35240_resume);
 
 static const struct of_device_id mmc35240_of_match[] = {
 	{ .compatible = "memsic,mmc35240", },
@@ -576,7 +573,7 @@ static struct i2c_driver mmc35240_driver = {
 	.driver = {
 		.name = MMC35240_DRV_NAME,
 		.of_match_table = mmc35240_of_match,
-		.pm = &mmc35240_pm_ops,
+		.pm = pm_sleep_ptr(&mmc35240_pm_ops),
 		.acpi_match_table = ACPI_PTR(mmc35240_acpi_match),
 	},
 	.probe		= mmc35240_probe,
diff --git a/drivers/iio/magnetometer/rm3100-core.c b/drivers/iio/magnetometer/rm3100-core.c
index 13914273c999..26195733ea3e 100644
--- a/drivers/iio/magnetometer/rm3100-core.c
+++ b/drivers/iio/magnetometer/rm3100-core.c
@@ -100,7 +100,7 @@ const struct regmap_access_table rm3100_readable_table = {
 	.yes_ranges = rm3100_readable_ranges,
 	.n_yes_ranges = ARRAY_SIZE(rm3100_readable_ranges),
 };
-EXPORT_SYMBOL_GPL(rm3100_readable_table);
+EXPORT_SYMBOL_NS_GPL(rm3100_readable_table, IIO_RM3100);
 
 static const struct regmap_range rm3100_writable_ranges[] = {
 	regmap_reg_range(RM3100_W_REG_START, RM3100_W_REG_END),
@@ -110,7 +110,7 @@ const struct regmap_access_table rm3100_writable_table = {
 	.yes_ranges = rm3100_writable_ranges,
 	.n_yes_ranges = ARRAY_SIZE(rm3100_writable_ranges),
 };
-EXPORT_SYMBOL_GPL(rm3100_writable_table);
+EXPORT_SYMBOL_NS_GPL(rm3100_writable_table, IIO_RM3100);
 
 static const struct regmap_range rm3100_volatile_ranges[] = {
 	regmap_reg_range(RM3100_V_REG_START, RM3100_V_REG_END),
@@ -120,7 +120,7 @@ const struct regmap_access_table rm3100_volatile_table = {
 	.yes_ranges = rm3100_volatile_ranges,
 	.n_yes_ranges = ARRAY_SIZE(rm3100_volatile_ranges),
 };
-EXPORT_SYMBOL_GPL(rm3100_volatile_table);
+EXPORT_SYMBOL_NS_GPL(rm3100_volatile_table, IIO_RM3100);
 
 static irqreturn_t rm3100_thread_fn(int irq, void *d)
 {
@@ -607,7 +607,7 @@ int rm3100_common_probe(struct device *dev, struct regmap *regmap, int irq)
 
 	return devm_iio_device_register(dev, indio_dev);
 }
-EXPORT_SYMBOL_GPL(rm3100_common_probe);
+EXPORT_SYMBOL_NS_GPL(rm3100_common_probe, IIO_RM3100);
 
 MODULE_AUTHOR("Song Qiang <songqiang1304521@gmail.com>");
 MODULE_DESCRIPTION("PNI RM3100 3-axis magnetometer i2c driver");
diff --git a/drivers/iio/magnetometer/rm3100-i2c.c b/drivers/iio/magnetometer/rm3100-i2c.c
index 1ac622c6d6c9..ba669ab7113d 100644
--- a/drivers/iio/magnetometer/rm3100-i2c.c
+++ b/drivers/iio/magnetometer/rm3100-i2c.c
@@ -52,3 +52,4 @@ module_i2c_driver(rm3100_driver);
 MODULE_AUTHOR("Song Qiang <songqiang1304521@gmail.com>");
 MODULE_DESCRIPTION("PNI RM3100 3-axis magnetometer i2c driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_RM3100);
diff --git a/drivers/iio/magnetometer/rm3100-spi.c b/drivers/iio/magnetometer/rm3100-spi.c
index 65d5eb9e4f5e..76dc9b66cd3c 100644
--- a/drivers/iio/magnetometer/rm3100-spi.c
+++ b/drivers/iio/magnetometer/rm3100-spi.c
@@ -62,3 +62,4 @@ module_spi_driver(rm3100_driver);
 MODULE_AUTHOR("Song Qiang <songqiang1304521@gmail.com>");
 MODULE_DESCRIPTION("PNI RM3100 3-axis magnetometer spi driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_RM3100);
diff --git a/drivers/iio/magnetometer/st_magn_buffer.c b/drivers/iio/magnetometer/st_magn_buffer.c
index cb43ccda808d..79987f42e8d9 100644
--- a/drivers/iio/magnetometer/st_magn_buffer.c
+++ b/drivers/iio/magnetometer/st_magn_buffer.c
@@ -7,7 +7,6 @@
  * Denis Ciocca <denis.ciocca@st.com>
  */
 
-#include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/iio/iio.h>
 #include <linux/iio/buffer.h>
@@ -45,6 +44,3 @@ int st_magn_allocate_ring(struct iio_dev *indio_dev)
 		NULL, &st_sensors_trigger_handler, &st_magn_buffer_setup_ops);
 }
 
-MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
-MODULE_DESCRIPTION("STMicroelectronics magnetometers buffer");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/magnetometer/st_magn_core.c b/drivers/iio/magnetometer/st_magn_core.c
index 0806a1e65ce4..74435f4a427d 100644
--- a/drivers/iio/magnetometer/st_magn_core.c
+++ b/drivers/iio/magnetometer/st_magn_core.c
@@ -606,7 +606,7 @@ const struct st_sensor_settings *st_magn_get_settings(const char *name)
 
 	return &st_magn_sensors_settings[index];
 }
-EXPORT_SYMBOL(st_magn_get_settings);
+EXPORT_SYMBOL_NS(st_magn_get_settings, IIO_ST_SENSORS);
 
 int st_magn_common_probe(struct iio_dev *indio_dev)
 {
@@ -653,8 +653,9 @@ int st_magn_common_probe(struct iio_dev *indio_dev)
 
 	return devm_iio_device_register(parent, indio_dev);
 }
-EXPORT_SYMBOL(st_magn_common_probe);
+EXPORT_SYMBOL_NS(st_magn_common_probe, IIO_ST_SENSORS);
 
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics magnetometers driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);
diff --git a/drivers/iio/magnetometer/st_magn_i2c.c b/drivers/iio/magnetometer/st_magn_i2c.c
index 7237711fc09b..c5d8c303db4e 100644
--- a/drivers/iio/magnetometer/st_magn_i2c.c
+++ b/drivers/iio/magnetometer/st_magn_i2c.c
@@ -115,3 +115,4 @@ module_i2c_driver(st_magn_driver);
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics magnetometers i2c driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);
diff --git a/drivers/iio/magnetometer/st_magn_spi.c b/drivers/iio/magnetometer/st_magn_spi.c
index 489d4462862f..6ddc4318564a 100644
--- a/drivers/iio/magnetometer/st_magn_spi.c
+++ b/drivers/iio/magnetometer/st_magn_spi.c
@@ -106,3 +106,4 @@ module_spi_driver(st_magn_driver);
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics magnetometers spi driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);
diff --git a/drivers/iio/potentiometer/Kconfig b/drivers/iio/potentiometer/Kconfig
index 832df8da2bc6..01dd3f858d99 100644
--- a/drivers/iio/potentiometer/Kconfig
+++ b/drivers/iio/potentiometer/Kconfig
@@ -27,11 +27,11 @@ config AD5272
 	  module will be called ad5272.
 
 config DS1803
-	tristate "Maxim Integrated DS1803 Digital Potentiometer driver"
+	tristate "Maxim Integrated DS1803 and similar Digital Potentiometer driver"
 	depends on I2C
 	help
-	  Say yes here to build support for the Maxim Integrated DS1803
-	  digital potentiometer chip.
+	  Say yes here to build support for the Maxim Integrated DS1803 and
+	  DS3502 digital potentiometer chip.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called ds1803.
diff --git a/drivers/iio/potentiometer/ds1803.c b/drivers/iio/potentiometer/ds1803.c
index 20b45407eaac..5c212ed7a931 100644
--- a/drivers/iio/potentiometer/ds1803.c
+++ b/drivers/iio/potentiometer/ds1803.c
@@ -1,12 +1,15 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Maxim Integrated DS1803 digital potentiometer driver
+ * Maxim Integrated DS1803 and similar digital potentiometer driver
  * Copyright (c) 2016 Slawomir Stepien
+ * Copyright (c) 2022 Jagath Jog J
  *
  * Datasheet: https://datasheets.maximintegrated.com/en/ds/DS1803.pdf
+ * Datasheet: https://datasheets.maximintegrated.com/en/ds/DS3502.pdf
  *
  * DEVID	#Wipers	#Positions	Resistor Opts (kOhm)	i2c address
  * ds1803	2	256		10, 50, 100		0101xxx
+ * ds3502	1	128		10			01010xx
  */
 
 #include <linux/err.h>
@@ -15,24 +18,27 @@
 #include <linux/iio/iio.h>
 #include <linux/module.h>
 #include <linux/mod_devicetable.h>
+#include <linux/property.h>
 
-#define DS1803_MAX_POS		255
-#define DS1803_WRITE(chan)	(0xa8 | ((chan) + 1))
+#define DS1803_WIPER_0         0xA9
+#define DS1803_WIPER_1         0xAA
+#define DS3502_WR_IVR          0x00
 
 enum ds1803_type {
 	DS1803_010,
 	DS1803_050,
 	DS1803_100,
+	DS3502,
 };
 
 struct ds1803_cfg {
+	int wipers;
+	int avail[3];
 	int kohms;
-};
-
-static const struct ds1803_cfg ds1803_cfg[] = {
-	[DS1803_010] = { .kohms =  10, },
-	[DS1803_050] = { .kohms =  50, },
-	[DS1803_100] = { .kohms = 100, },
+	const struct iio_chan_spec *channels;
+	u8 num_channels;
+	int (*read)(struct iio_dev *indio_dev,
+		    struct iio_chan_spec const *chan, int *val);
 };
 
 struct ds1803_data {
@@ -40,42 +46,110 @@ struct ds1803_data {
 	const struct ds1803_cfg *cfg;
 };
 
-#define DS1803_CHANNEL(ch) {					\
-	.type = IIO_RESISTANCE,					\
-	.indexed = 1,						\
-	.output = 1,						\
-	.channel = (ch),					\
-	.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),		\
-	.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),	\
+#define DS1803_CHANNEL(ch, addr) {					\
+	.type = IIO_RESISTANCE,						\
+	.indexed = 1,							\
+	.output = 1,							\
+	.channel = (ch),						\
+	.address = (addr),						\
+	.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),			\
+	.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),		\
+	.info_mask_shared_by_type_available = BIT(IIO_CHAN_INFO_RAW),   \
 }
 
 static const struct iio_chan_spec ds1803_channels[] = {
-	DS1803_CHANNEL(0),
-	DS1803_CHANNEL(1),
+	DS1803_CHANNEL(0, DS1803_WIPER_0),
+	DS1803_CHANNEL(1, DS1803_WIPER_1),
 };
 
-static int ds1803_read_raw(struct iio_dev *indio_dev,
-			    struct iio_chan_spec const *chan,
-			    int *val, int *val2, long mask)
+static const struct iio_chan_spec ds3502_channels[] = {
+	DS1803_CHANNEL(0, DS3502_WR_IVR),
+};
+
+static int ds1803_read(struct iio_dev *indio_dev,
+		       struct iio_chan_spec const *chan,
+		       int *val)
 {
 	struct ds1803_data *data = iio_priv(indio_dev);
-	int pot = chan->channel;
 	int ret;
 	u8 result[ARRAY_SIZE(ds1803_channels)];
 
+	ret = i2c_master_recv(data->client, result, indio_dev->num_channels);
+	if (ret < 0)
+		return ret;
+
+	*val = result[chan->channel];
+	return ret;
+}
+
+static int ds3502_read(struct iio_dev *indio_dev,
+		       struct iio_chan_spec const *chan,
+		       int *val)
+{
+	struct ds1803_data *data = iio_priv(indio_dev);
+	int ret;
+
+	ret = i2c_smbus_read_byte_data(data->client, chan->address);
+	if (ret < 0)
+		return ret;
+
+	*val = ret;
+	return ret;
+}
+
+static const struct ds1803_cfg ds1803_cfg[] = {
+	[DS1803_010] = {
+		.wipers = 2,
+		.avail = { 0, 1, 255 },
+		.kohms =  10,
+		.channels = ds1803_channels,
+		.num_channels = ARRAY_SIZE(ds1803_channels),
+		.read = ds1803_read,
+	},
+	[DS1803_050] = {
+		.wipers = 2,
+		.avail = { 0, 1, 255 },
+		.kohms =  50,
+		.channels = ds1803_channels,
+		.num_channels = ARRAY_SIZE(ds1803_channels),
+		.read = ds1803_read,
+	},
+	[DS1803_100] = {
+		.wipers = 2,
+		.avail = { 0, 1, 255 },
+		.kohms = 100,
+		.channels = ds1803_channels,
+		.num_channels = ARRAY_SIZE(ds1803_channels),
+		.read = ds1803_read,
+	},
+	[DS3502] = {
+	  .wipers = 1,
+	  .avail = { 0, 1, 127 },
+	  .kohms =  10,
+	  .channels = ds3502_channels,
+	  .num_channels = ARRAY_SIZE(ds3502_channels),
+	  .read = ds3502_read,
+	},
+};
+
+static int ds1803_read_raw(struct iio_dev *indio_dev,
+			   struct iio_chan_spec const *chan,
+			   int *val, int *val2, long mask)
+{
+	struct ds1803_data *data = iio_priv(indio_dev);
+	int ret;
+
 	switch (mask) {
 	case IIO_CHAN_INFO_RAW:
-		ret = i2c_master_recv(data->client, result,
-				indio_dev->num_channels);
+		ret = data->cfg->read(indio_dev, chan, val);
 		if (ret < 0)
 			return ret;
 
-		*val = result[pot];
 		return IIO_VAL_INT;
 
 	case IIO_CHAN_INFO_SCALE:
 		*val = 1000 * data->cfg->kohms;
-		*val2 = DS1803_MAX_POS;
+		*val2 = data->cfg->avail[2]; /* Max wiper position */
 		return IIO_VAL_FRACTIONAL;
 	}
 
@@ -83,34 +157,52 @@ static int ds1803_read_raw(struct iio_dev *indio_dev,
 }
 
 static int ds1803_write_raw(struct iio_dev *indio_dev,
-			     struct iio_chan_spec const *chan,
-			     int val, int val2, long mask)
+			    struct iio_chan_spec const *chan,
+			    int val, int val2, long mask)
 {
 	struct ds1803_data *data = iio_priv(indio_dev);
-	int pot = chan->channel;
+	u8 addr = chan->address;
+	int max_pos = data->cfg->avail[2];
 
 	if (val2 != 0)
 		return -EINVAL;
 
 	switch (mask) {
 	case IIO_CHAN_INFO_RAW:
-		if (val > DS1803_MAX_POS || val < 0)
+		if (val > max_pos || val < 0)
 			return -EINVAL;
 		break;
 	default:
 		return -EINVAL;
 	}
 
-	return i2c_smbus_write_byte_data(data->client, DS1803_WRITE(pot), val);
+	return i2c_smbus_write_byte_data(data->client, addr, val);
+}
+
+static int ds1803_read_avail(struct iio_dev *indio_dev,
+			     struct iio_chan_spec const *chan,
+			     const int **vals, int *type,
+			     int *length, long mask)
+{
+	struct ds1803_data *data = iio_priv(indio_dev);
+
+	switch (mask) {
+	case IIO_CHAN_INFO_RAW:
+		*vals = data->cfg->avail;
+		*length = ARRAY_SIZE(data->cfg->avail);
+		*type = IIO_VAL_INT;
+		return IIO_AVAIL_RANGE;
+	}
+	return -EINVAL;
 }
 
 static const struct iio_info ds1803_info = {
 	.read_raw = ds1803_read_raw,
 	.write_raw = ds1803_write_raw,
+	.read_avail = ds1803_read_avail,
 };
 
-static int ds1803_probe(struct i2c_client *client,
-			 const struct i2c_device_id *id)
+static int ds1803_probe(struct i2c_client *client, const struct i2c_device_id *id)
 {
 	struct device *dev = &client->dev;
 	struct ds1803_data *data;
@@ -124,11 +216,13 @@ static int ds1803_probe(struct i2c_client *client,
 
 	data = iio_priv(indio_dev);
 	data->client = client;
-	data->cfg = &ds1803_cfg[id->driver_data];
+	data->cfg = device_get_match_data(dev);
+	if (!data->cfg)
+		data->cfg = &ds1803_cfg[id->driver_data];
 
 	indio_dev->info = &ds1803_info;
-	indio_dev->channels = ds1803_channels;
-	indio_dev->num_channels = ARRAY_SIZE(ds1803_channels);
+	indio_dev->channels = data->cfg->channels;
+	indio_dev->num_channels = data->cfg->num_channels;
 	indio_dev->name = client->name;
 
 	return devm_iio_device_register(dev, indio_dev);
@@ -138,6 +232,7 @@ static const struct of_device_id ds1803_dt_ids[] = {
 	{ .compatible = "maxim,ds1803-010", .data = &ds1803_cfg[DS1803_010] },
 	{ .compatible = "maxim,ds1803-050", .data = &ds1803_cfg[DS1803_050] },
 	{ .compatible = "maxim,ds1803-100", .data = &ds1803_cfg[DS1803_100] },
+	{ .compatible = "maxim,ds3502", .data = &ds1803_cfg[DS3502] },
 	{}
 };
 MODULE_DEVICE_TABLE(of, ds1803_dt_ids);
@@ -146,6 +241,7 @@ static const struct i2c_device_id ds1803_id[] = {
 	{ "ds1803-010", DS1803_010 },
 	{ "ds1803-050", DS1803_050 },
 	{ "ds1803-100", DS1803_100 },
+	{ "ds3502", DS3502 },
 	{}
 };
 MODULE_DEVICE_TABLE(i2c, ds1803_id);
@@ -162,5 +258,6 @@ static struct i2c_driver ds1803_driver = {
 module_i2c_driver(ds1803_driver);
 
 MODULE_AUTHOR("Slawomir Stepien <sst@poczta.fm>");
+MODULE_AUTHOR("Jagath Jog J <jagathjog1996@gmail.com>");
 MODULE_DESCRIPTION("DS1803 digital potentiometer");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/pressure/Kconfig b/drivers/iio/pressure/Kconfig
index fc0d3cfca418..0ff756cea63a 100644
--- a/drivers/iio/pressure/Kconfig
+++ b/drivers/iio/pressure/Kconfig
@@ -194,30 +194,35 @@ config IIO_ST_PRESS
 	tristate "STMicroelectronics pressure sensor Driver"
 	depends on (I2C || SPI_MASTER) && SYSFS
 	select IIO_ST_SENSORS_CORE
-	select IIO_ST_PRESS_I2C if (I2C)
-	select IIO_ST_PRESS_SPI if (SPI_MASTER)
 	select IIO_TRIGGERED_BUFFER if (IIO_BUFFER)
 	help
 	  Say yes here to build support for STMicroelectronics pressure
 	  sensors: LPS001WP, LPS25H, LPS331AP, LPS22HB, LPS22HH.
 
-	  This driver can also be built as a module. If so, these modules
-	  will be created:
-	  - st_pressure (core functions for the driver [it is mandatory]);
-	  - st_pressure_i2c (necessary for the I2C devices [optional*]);
-	  - st_pressure_spi (necessary for the SPI devices [optional*]);
-
-	  (*) one of these is necessary to do something.
+	  Also need to enable at least one of I2C and SPI interface drivers
+	  below.
 
 config IIO_ST_PRESS_I2C
-	tristate
-	depends on IIO_ST_PRESS
-	depends on IIO_ST_SENSORS_I2C
+	tristate "STMicroelectronics pressure sensor I2C Interface"
+	depends on I2C && IIO_ST_PRESS
+	default I2C && IIO_ST_PRESS
+	select IIO_ST_SENSORS_I2C
+	help
+	  Build support for STMicroelectronics pressure sensor I2C interface.
+
+	  To compile this driver as a module, choose M here. The module
+	  will be called st_pressure_i2c.
 
 config IIO_ST_PRESS_SPI
-	tristate
-	depends on IIO_ST_PRESS
-	depends on IIO_ST_SENSORS_SPI
+	tristate "STMicroelectronics pressure sensor SPI Interface"
+	depends on SPI_MASTER && IIO_ST_PRESS
+	default SPI_MASTER && IIO_ST_PRESS
+	select IIO_ST_SENSORS_SPI
+	help
+	  Build support for STMicroelectronics pressure sensor SPI interface.
+
+	  To compile this driver as a module, choose M here. The module
+	  will be called st_pressure_spi.
 
 config T5403
 	tristate "EPCOS T5403 digital barometric pressure sensor driver"
diff --git a/drivers/iio/pressure/dps310.c b/drivers/iio/pressure/dps310.c
index 0730380ceb69..36fb7ae0d0a9 100644
--- a/drivers/iio/pressure/dps310.c
+++ b/drivers/iio/pressure/dps310.c
@@ -812,9 +812,16 @@ static const struct i2c_device_id dps310_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, dps310_id);
 
+static const struct acpi_device_id dps310_acpi_match[] = {
+	{ "IFX3100" },
+	{}
+};
+MODULE_DEVICE_TABLE(acpi, dps310_acpi_match);
+
 static struct i2c_driver dps310_driver = {
 	.driver = {
 		.name = DPS310_DEV_NAME,
+		.acpi_match_table = dps310_acpi_match,
 	},
 	.probe = dps310_probe,
 	.id_table = dps310_id,
diff --git a/drivers/iio/pressure/mpl115.c b/drivers/iio/pressure/mpl115.c
index 81f288312a28..5bf5b9abe6f1 100644
--- a/drivers/iio/pressure/mpl115.c
+++ b/drivers/iio/pressure/mpl115.c
@@ -187,7 +187,7 @@ int mpl115_probe(struct device *dev, const char *name,
 
 	return devm_iio_device_register(dev, indio_dev);
 }
-EXPORT_SYMBOL_GPL(mpl115_probe);
+EXPORT_SYMBOL_NS_GPL(mpl115_probe, IIO_MPL115);
 
 MODULE_AUTHOR("Peter Meerwald <pmeerw@pmeerw.net>");
 MODULE_DESCRIPTION("Freescale MPL115 pressure/temperature driver");
diff --git a/drivers/iio/pressure/mpl115_i2c.c b/drivers/iio/pressure/mpl115_i2c.c
index ac1f12bcb65e..099ab1c6832c 100644
--- a/drivers/iio/pressure/mpl115_i2c.c
+++ b/drivers/iio/pressure/mpl115_i2c.c
@@ -62,3 +62,4 @@ module_i2c_driver(mpl115_i2c_driver);
 MODULE_AUTHOR("Peter Meerwald <pmeerw@pmeerw.net>");
 MODULE_DESCRIPTION("Freescale MPL115A2 pressure/temperature driver");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_MPL115);
diff --git a/drivers/iio/pressure/mpl115_spi.c b/drivers/iio/pressure/mpl115_spi.c
index 4d064f98f56a..7feec87e2704 100644
--- a/drivers/iio/pressure/mpl115_spi.c
+++ b/drivers/iio/pressure/mpl115_spi.c
@@ -101,3 +101,4 @@ module_spi_driver(mpl115_spi_driver);
 MODULE_AUTHOR("Akinobu Mita <akinobu.mita@gmail.com>");
 MODULE_DESCRIPTION("Freescale MPL115A1 pressure/temperature driver");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_MPL115);
diff --git a/drivers/iio/pressure/mpl3115.c b/drivers/iio/pressure/mpl3115.c
index e95b9a5475b4..d4f89e4babed 100644
--- a/drivers/iio/pressure/mpl3115.c
+++ b/drivers/iio/pressure/mpl3115.c
@@ -301,7 +301,6 @@ static int mpl3115_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int mpl3115_suspend(struct device *dev)
 {
 	return mpl3115_standby(iio_priv(i2c_get_clientdata(
@@ -317,11 +316,8 @@ static int mpl3115_resume(struct device *dev)
 		data->ctrl_reg1);
 }
 
-static SIMPLE_DEV_PM_OPS(mpl3115_pm_ops, mpl3115_suspend, mpl3115_resume);
-#define MPL3115_PM_OPS (&mpl3115_pm_ops)
-#else
-#define MPL3115_PM_OPS NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(mpl3115_pm_ops, mpl3115_suspend,
+				mpl3115_resume);
 
 static const struct i2c_device_id mpl3115_id[] = {
 	{ "mpl3115", 0 },
@@ -339,7 +335,7 @@ static struct i2c_driver mpl3115_driver = {
 	.driver = {
 		.name	= "mpl3115",
 		.of_match_table = mpl3115_of_match,
-		.pm	= MPL3115_PM_OPS,
+		.pm	= pm_sleep_ptr(&mpl3115_pm_ops),
 	},
 	.probe = mpl3115_probe,
 	.remove = mpl3115_remove,
diff --git a/drivers/iio/pressure/ms5611_core.c b/drivers/iio/pressure/ms5611_core.c
index a4d0b54cde9b..717521de66c4 100644
--- a/drivers/iio/pressure/ms5611_core.c
+++ b/drivers/iio/pressure/ms5611_core.c
@@ -471,7 +471,7 @@ err_fini:
 	ms5611_fini(indio_dev);
 	return ret;
 }
-EXPORT_SYMBOL(ms5611_probe);
+EXPORT_SYMBOL_NS(ms5611_probe, IIO_MS5611);
 
 void ms5611_remove(struct iio_dev *indio_dev)
 {
@@ -479,7 +479,7 @@ void ms5611_remove(struct iio_dev *indio_dev)
 	iio_triggered_buffer_cleanup(indio_dev);
 	ms5611_fini(indio_dev);
 }
-EXPORT_SYMBOL(ms5611_remove);
+EXPORT_SYMBOL_NS(ms5611_remove, IIO_MS5611);
 
 MODULE_AUTHOR("Tomasz Duszynski <tduszyns@gmail.com>");
 MODULE_DESCRIPTION("MS5611 core driver");
diff --git a/drivers/iio/pressure/ms5611_i2c.c b/drivers/iio/pressure/ms5611_i2c.c
index 1047a85527a9..3b1de71e0d15 100644
--- a/drivers/iio/pressure/ms5611_i2c.c
+++ b/drivers/iio/pressure/ms5611_i2c.c
@@ -140,3 +140,4 @@ module_i2c_driver(ms5611_driver);
 MODULE_AUTHOR("Tomasz Duszynski <tduszyns@gmail.com>");
 MODULE_DESCRIPTION("MS5611 i2c driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_MS5611);
diff --git a/drivers/iio/pressure/ms5611_spi.c b/drivers/iio/pressure/ms5611_spi.c
index 7ccd960ced5d..432e912096f4 100644
--- a/drivers/iio/pressure/ms5611_spi.c
+++ b/drivers/iio/pressure/ms5611_spi.c
@@ -140,3 +140,4 @@ module_spi_driver(ms5611_driver);
 MODULE_AUTHOR("Tomasz Duszynski <tduszyns@gmail.com>");
 MODULE_DESCRIPTION("MS5611 spi driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_MS5611);
diff --git a/drivers/iio/pressure/ms5637.c b/drivers/iio/pressure/ms5637.c
index 81f683321b23..70c70019142a 100644
--- a/drivers/iio/pressure/ms5637.c
+++ b/drivers/iio/pressure/ms5637.c
@@ -252,3 +252,4 @@ MODULE_DESCRIPTION("Measurement-Specialties ms5637 temperature & pressure driver
 MODULE_AUTHOR("William Markezana <william.markezana@meas-spec.com>");
 MODULE_AUTHOR("Ludovic Tancerel <ludovic.tancerel@maplehightech.com>");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_MEAS_SPEC_SENSORS);
diff --git a/drivers/iio/pressure/st_pressure_buffer.c b/drivers/iio/pressure/st_pressure_buffer.c
index 25dbd5476b26..0dbf357c2c22 100644
--- a/drivers/iio/pressure/st_pressure_buffer.c
+++ b/drivers/iio/pressure/st_pressure_buffer.c
@@ -7,7 +7,6 @@
  * Denis Ciocca <denis.ciocca@st.com>
  */
 
-#include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/iio/iio.h>
 #include <linux/iio/buffer.h>
@@ -44,7 +43,3 @@ int st_press_allocate_ring(struct iio_dev *indio_dev)
 	return devm_iio_triggered_buffer_setup(indio_dev->dev.parent, indio_dev,
 		NULL, &st_sensors_trigger_handler, &st_press_buffer_setup_ops);
 }
-
-MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
-MODULE_DESCRIPTION("STMicroelectronics pressures buffer");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c
index 26a1ee43d56e..5b93933a2e27 100644
--- a/drivers/iio/pressure/st_pressure_core.c
+++ b/drivers/iio/pressure/st_pressure_core.c
@@ -672,7 +672,7 @@ const struct st_sensor_settings *st_press_get_settings(const char *name)
 
 	return &st_press_sensors_settings[index];
 }
-EXPORT_SYMBOL(st_press_get_settings);
+EXPORT_SYMBOL_NS(st_press_get_settings, IIO_ST_SENSORS);
 
 int st_press_common_probe(struct iio_dev *indio_dev)
 {
@@ -724,8 +724,9 @@ int st_press_common_probe(struct iio_dev *indio_dev)
 
 	return devm_iio_device_register(parent, indio_dev);
 }
-EXPORT_SYMBOL(st_press_common_probe);
+EXPORT_SYMBOL_NS(st_press_common_probe, IIO_ST_SENSORS);
 
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics pressures driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);
diff --git a/drivers/iio/pressure/st_pressure_i2c.c b/drivers/iio/pressure/st_pressure_i2c.c
index 1939e999a427..7035777fd988 100644
--- a/drivers/iio/pressure/st_pressure_i2c.c
+++ b/drivers/iio/pressure/st_pressure_i2c.c
@@ -120,3 +120,4 @@ module_i2c_driver(st_press_driver);
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics pressures i2c driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);
diff --git a/drivers/iio/pressure/st_pressure_spi.c b/drivers/iio/pressure/st_pressure_spi.c
index d6fc954e28f8..bfab8e7fb061 100644
--- a/drivers/iio/pressure/st_pressure_spi.c
+++ b/drivers/iio/pressure/st_pressure_spi.c
@@ -118,3 +118,4 @@ module_spi_driver(st_press_driver);
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics pressures spi driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);
diff --git a/drivers/iio/pressure/zpa2326.c b/drivers/iio/pressure/zpa2326.c
index 89295c90f801..67119a9b95fc 100644
--- a/drivers/iio/pressure/zpa2326.c
+++ b/drivers/iio/pressure/zpa2326.c
@@ -162,7 +162,7 @@ bool zpa2326_isreg_writeable(struct device *dev, unsigned int reg)
 		return false;
 	}
 }
-EXPORT_SYMBOL_GPL(zpa2326_isreg_writeable);
+EXPORT_SYMBOL_NS_GPL(zpa2326_isreg_writeable, IIO_ZPA2326);
 
 bool zpa2326_isreg_readable(struct device *dev, unsigned int reg)
 {
@@ -191,7 +191,7 @@ bool zpa2326_isreg_readable(struct device *dev, unsigned int reg)
 		return false;
 	}
 }
-EXPORT_SYMBOL_GPL(zpa2326_isreg_readable);
+EXPORT_SYMBOL_NS_GPL(zpa2326_isreg_readable, IIO_ZPA2326);
 
 bool zpa2326_isreg_precious(struct device *dev, unsigned int reg)
 {
@@ -204,7 +204,7 @@ bool zpa2326_isreg_precious(struct device *dev, unsigned int reg)
 		return false;
 	}
 }
-EXPORT_SYMBOL_GPL(zpa2326_isreg_precious);
+EXPORT_SYMBOL_NS_GPL(zpa2326_isreg_precious, IIO_ZPA2326);
 
 /**
  * zpa2326_enable_device() - Enable device, i.e. get out of low power mode.
@@ -649,7 +649,7 @@ const struct dev_pm_ops zpa2326_pm_ops = {
 	SET_RUNTIME_PM_OPS(zpa2326_runtime_suspend, zpa2326_runtime_resume,
 			   NULL)
 };
-EXPORT_SYMBOL_GPL(zpa2326_pm_ops);
+EXPORT_SYMBOL_NS_GPL(zpa2326_pm_ops, IIO_ZPA2326);
 
 /**
  * zpa2326_resume() - Request the PM layer to power supply the device.
@@ -1698,7 +1698,7 @@ poweroff:
 
 	return err;
 }
-EXPORT_SYMBOL_GPL(zpa2326_probe);
+EXPORT_SYMBOL_NS_GPL(zpa2326_probe, IIO_ZPA2326);
 
 void zpa2326_remove(const struct device *parent)
 {
@@ -1709,7 +1709,7 @@ void zpa2326_remove(const struct device *parent)
 	zpa2326_sleep(indio_dev);
 	zpa2326_power_off(indio_dev, iio_priv(indio_dev));
 }
-EXPORT_SYMBOL_GPL(zpa2326_remove);
+EXPORT_SYMBOL_NS_GPL(zpa2326_remove, IIO_ZPA2326);
 
 MODULE_AUTHOR("Gregor Boirie <gregor.boirie@parrot.com>");
 MODULE_DESCRIPTION("Core driver for Murata ZPA2326 pressure sensor");
diff --git a/drivers/iio/pressure/zpa2326_i2c.c b/drivers/iio/pressure/zpa2326_i2c.c
index 95d9739444c4..0db0860d386b 100644
--- a/drivers/iio/pressure/zpa2326_i2c.c
+++ b/drivers/iio/pressure/zpa2326_i2c.c
@@ -87,3 +87,4 @@ module_i2c_driver(zpa2326_i2c_driver);
 MODULE_AUTHOR("Gregor Boirie <gregor.boirie@parrot.com>");
 MODULE_DESCRIPTION("I2C driver for Murata ZPA2326 pressure sensor");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ZPA2326);
diff --git a/drivers/iio/pressure/zpa2326_spi.c b/drivers/iio/pressure/zpa2326_spi.c
index ee8ed77536ca..9c1bcb82d360 100644
--- a/drivers/iio/pressure/zpa2326_spi.c
+++ b/drivers/iio/pressure/zpa2326_spi.c
@@ -89,3 +89,4 @@ module_spi_driver(zpa2326_spi_driver);
 MODULE_AUTHOR("Gregor Boirie <gregor.boirie@parrot.com>");
 MODULE_DESCRIPTION("SPI driver for Murata ZPA2326 pressure sensor");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ZPA2326);
diff --git a/drivers/iio/proximity/Kconfig b/drivers/iio/proximity/Kconfig
index 7c7203ca3ac6..0e5c17530b8b 100644
--- a/drivers/iio/proximity/Kconfig
+++ b/drivers/iio/proximity/Kconfig
@@ -112,11 +112,17 @@ config SRF04
 	  To compile this driver as a module, choose M here: the
 	  module will be called srf04.
 
+config SX_COMMON
+	tristate
+	help
+	  Common Semtech proximity sensor code.
+
 config SX9310
 	tristate "SX9310/SX9311 Semtech proximity sensor"
 	select IIO_BUFFER
 	select IIO_TRIGGERED_BUFFER
 	select REGMAP_I2C
+	select SX_COMMON
 	depends on I2C
 	help
 	  Say Y here to build a driver for Semtech's SX9310/SX9311 capacitive
@@ -125,6 +131,34 @@ config SX9310
 	  To compile this driver as a module, choose M here: the
 	  module will be called sx9310.
 
+config SX9324
+	tristate "SX9324 Semtech proximity sensor"
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
+	select REGMAP_I2C
+	select SX_COMMON
+	depends on I2C
+	help
+	  Say Y here to build a driver for Semtech's SX9324
+	  proximity/button sensor.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called sx9324.
+
+config SX9360
+	tristate "SX9360 Semtech proximity sensor"
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
+	select REGMAP_I2C
+	select SX_COMMON
+	depends on I2C
+	help
+	  Say Y here to build a driver for Semtech's SX9360
+	  proximity/button sensor, a simplified SX9324.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called sx9360.
+
 config SX9500
 	tristate "SX9500 Semtech proximity sensor"
 	select IIO_BUFFER
diff --git a/drivers/iio/proximity/Makefile b/drivers/iio/proximity/Makefile
index cbdac09433eb..cc838bb5408a 100644
--- a/drivers/iio/proximity/Makefile
+++ b/drivers/iio/proximity/Makefile
@@ -14,6 +14,9 @@ obj-$(CONFIG_RFD77402)		+= rfd77402.o
 obj-$(CONFIG_SRF04)		+= srf04.o
 obj-$(CONFIG_SRF08)		+= srf08.o
 obj-$(CONFIG_SX9310)		+= sx9310.o
+obj-$(CONFIG_SX9324)		+= sx9324.o
+obj-$(CONFIG_SX9360)		+= sx9360.o
+obj-$(CONFIG_SX_COMMON) 	+= sx_common.o
 obj-$(CONFIG_SX9500)		+= sx9500.o
 obj-$(CONFIG_VCNL3020)		+= vcnl3020.o
 obj-$(CONFIG_VL53L0X_I2C)	+= vl53l0x-i2c.o
diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c
index 51f4f92ae84a..67891ce2bd09 100644
--- a/drivers/iio/proximity/as3935.c
+++ b/drivers/iio/proximity/as3935.c
@@ -12,6 +12,7 @@
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <linux/workqueue.h>
+#include <linux/devm-helpers.h>
 #include <linux/mutex.h>
 #include <linux/err.h>
 #include <linux/irq.h>
@@ -122,7 +123,7 @@ static ssize_t as3935_sensor_sensitivity_show(struct device *dev,
 		return ret;
 	val = (val & AS3935_AFE_MASK) >> 1;
 
-	return sprintf(buf, "%d\n", val);
+	return sysfs_emit(buf, "%d\n", val);
 }
 
 static ssize_t as3935_sensor_sensitivity_store(struct device *dev,
@@ -153,7 +154,7 @@ static ssize_t as3935_noise_level_tripped_show(struct device *dev,
 	int ret;
 
 	mutex_lock(&st->lock);
-	ret = sprintf(buf, "%d\n", !time_after(jiffies, st->noise_tripped + HZ));
+	ret = sysfs_emit(buf, "%d\n", !time_after(jiffies, st->noise_tripped + HZ));
 	mutex_unlock(&st->lock);
 
 	return ret;
@@ -295,7 +296,6 @@ static void calibrate_as3935(struct as3935_state *st)
 	as3935_write(st, AS3935_NFLWDTH, st->nflwdth_reg);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int as3935_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = dev_get_drvdata(dev);
@@ -337,20 +337,7 @@ err_resume:
 	return ret;
 }
 
-static SIMPLE_DEV_PM_OPS(as3935_pm_ops, as3935_suspend, as3935_resume);
-#define AS3935_PM_OPS (&as3935_pm_ops)
-
-#else
-#define AS3935_PM_OPS NULL
-#endif
-
-static void as3935_stop_work(void *data)
-{
-	struct iio_dev *indio_dev = data;
-	struct as3935_state *st = iio_priv(indio_dev);
-
-	cancel_delayed_work_sync(&st->work);
-}
+static DEFINE_SIMPLE_DEV_PM_OPS(as3935_pm_ops, as3935_suspend, as3935_resume);
 
 static int as3935_probe(struct spi_device *spi)
 {
@@ -432,8 +419,7 @@ static int as3935_probe(struct spi_device *spi)
 
 	calibrate_as3935(st);
 
-	INIT_DELAYED_WORK(&st->work, as3935_event_work);
-	ret = devm_add_action(dev, as3935_stop_work, indio_dev);
+	ret = devm_delayed_work_autocancel(dev, &st->work, as3935_event_work);
 	if (ret)
 		return ret;
 
@@ -472,7 +458,7 @@ static struct spi_driver as3935_driver = {
 	.driver = {
 		.name	= "as3935",
 		.of_match_table = as3935_of_match,
-		.pm	= AS3935_PM_OPS,
+		.pm	= pm_sleep_ptr(&as3935_pm_ops),
 	},
 	.probe		= as3935_probe,
 	.id_table	= as3935_id,
diff --git a/drivers/iio/proximity/ping.c b/drivers/iio/proximity/ping.c
index 1283ac1c2e03..24a97d41e115 100644
--- a/drivers/iio/proximity/ping.c
+++ b/drivers/iio/proximity/ping.c
@@ -267,8 +267,8 @@ static const struct iio_chan_spec ping_chan_spec[] = {
 };
 
 static const struct of_device_id of_ping_match[] = {
-	{ .compatible = "parallax,ping", .data = &pa_ping_cfg},
-	{ .compatible = "parallax,laserping", .data = &pa_laser_ping_cfg},
+	{ .compatible = "parallax,ping", .data = &pa_ping_cfg },
+	{ .compatible = "parallax,laserping", .data = &pa_laser_ping_cfg },
 	{},
 };
 
diff --git a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
index 27026c060ab9..648ae576d6fa 100644
--- a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
+++ b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
@@ -338,7 +338,6 @@ static const struct of_device_id lidar_dt_ids[] = {
 };
 MODULE_DEVICE_TABLE(of, lidar_dt_ids);
 
-#ifdef CONFIG_PM
 static int lidar_pm_runtime_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
@@ -358,18 +357,16 @@ static int lidar_pm_runtime_resume(struct device *dev)
 
 	return ret;
 }
-#endif
 
 static const struct dev_pm_ops lidar_pm_ops = {
-	SET_RUNTIME_PM_OPS(lidar_pm_runtime_suspend,
-			   lidar_pm_runtime_resume, NULL)
+	RUNTIME_PM_OPS(lidar_pm_runtime_suspend, lidar_pm_runtime_resume, NULL)
 };
 
 static struct i2c_driver lidar_driver = {
 	.driver = {
 		.name	= LIDAR_DRV_NAME,
 		.of_match_table	= lidar_dt_ids,
-		.pm	= &lidar_pm_ops,
+		.pm	= pm_ptr(&lidar_pm_ops),
 	},
 	.probe		= lidar_probe,
 	.remove		= lidar_remove,
diff --git a/drivers/iio/proximity/rfd77402.c b/drivers/iio/proximity/rfd77402.c
index 8c06d02139b6..cb80b3c9d073 100644
--- a/drivers/iio/proximity/rfd77402.c
+++ b/drivers/iio/proximity/rfd77402.c
@@ -295,7 +295,6 @@ static int rfd77402_probe(struct i2c_client *client,
 	return devm_iio_device_register(&client->dev, indio_dev);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int rfd77402_suspend(struct device *dev)
 {
 	return rfd77402_powerdown(to_i2c_client(dev));
@@ -305,12 +304,12 @@ static int rfd77402_resume(struct device *dev)
 {
 	return rfd77402_init(to_i2c_client(dev));
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(rfd77402_pm_ops, rfd77402_suspend, rfd77402_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(rfd77402_pm_ops, rfd77402_suspend,
+				rfd77402_resume);
 
 static const struct i2c_device_id rfd77402_id[] = {
-	{ "rfd77402", 0},
+	{ "rfd77402", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, rfd77402_id);
@@ -318,7 +317,7 @@ MODULE_DEVICE_TABLE(i2c, rfd77402_id);
 static struct i2c_driver rfd77402_driver = {
 	.driver = {
 		.name   = RFD77402_DRV_NAME,
-		.pm     = &rfd77402_pm_ops,
+		.pm     = pm_sleep_ptr(&rfd77402_pm_ops),
 	},
 	.probe  = rfd77402_probe,
 	.id_table = rfd77402_id,
diff --git a/drivers/iio/proximity/srf04.c b/drivers/iio/proximity/srf04.c
index fe88b2bb60bc..4e6286765f01 100644
--- a/drivers/iio/proximity/srf04.c
+++ b/drivers/iio/proximity/srf04.c
@@ -235,12 +235,12 @@ static const struct iio_chan_spec srf04_chan_spec[] = {
 };
 
 static const struct of_device_id of_srf04_match[] = {
-	{ .compatible = "devantech,srf04", .data = &srf04_cfg},
-	{ .compatible = "maxbotix,mb1000", .data = &mb_lv_cfg},
-	{ .compatible = "maxbotix,mb1010", .data = &mb_lv_cfg},
-	{ .compatible = "maxbotix,mb1020", .data = &mb_lv_cfg},
-	{ .compatible = "maxbotix,mb1030", .data = &mb_lv_cfg},
-	{ .compatible = "maxbotix,mb1040", .data = &mb_lv_cfg},
+	{ .compatible = "devantech,srf04", .data = &srf04_cfg },
+	{ .compatible = "maxbotix,mb1000", .data = &mb_lv_cfg },
+	{ .compatible = "maxbotix,mb1010", .data = &mb_lv_cfg },
+	{ .compatible = "maxbotix,mb1020", .data = &mb_lv_cfg },
+	{ .compatible = "maxbotix,mb1030", .data = &mb_lv_cfg },
+	{ .compatible = "maxbotix,mb1040", .data = &mb_lv_cfg },
 	{},
 };
 
diff --git a/drivers/iio/proximity/srf08.c b/drivers/iio/proximity/srf08.c
index 9b0886760f76..ac1ab7e89d4e 100644
--- a/drivers/iio/proximity/srf08.c
+++ b/drivers/iio/proximity/srf08.c
@@ -528,9 +528,9 @@ static int srf08_probe(struct i2c_client *client,
 }
 
 static const struct of_device_id of_srf08_match[] = {
-	{ .compatible = "devantech,srf02", (void *)SRF02},
-	{ .compatible = "devantech,srf08", (void *)SRF08},
-	{ .compatible = "devantech,srf10", (void *)SRF10},
+	{ .compatible = "devantech,srf02", (void *)SRF02 },
+	{ .compatible = "devantech,srf08", (void *)SRF08 },
+	{ .compatible = "devantech,srf10", (void *)SRF10 },
 	{},
 };
 
diff --git a/drivers/iio/proximity/sx9310.c b/drivers/iio/proximity/sx9310.c
index a3fdb59b06d2..ea7318b508ea 100644
--- a/drivers/iio/proximity/sx9310.c
+++ b/drivers/iio/proximity/sx9310.c
@@ -10,11 +10,10 @@
  * and in January 2020 by Daniel Campello <campello@chromium.org>.
  */
 
-#include <linux/acpi.h>
 #include <linux/bitfield.h>
 #include <linux/delay.h>
 #include <linux/i2c.h>
-#include <linux/irq.h>
+#include <linux/interrupt.h>
 #include <linux/kernel.h>
 #include <linux/log2.h>
 #include <linux/mod_devicetable.h>
@@ -22,19 +21,12 @@
 #include <linux/pm.h>
 #include <linux/property.h>
 #include <linux/regmap.h>
-#include <linux/regulator/consumer.h>
-#include <linux/slab.h>
-
-#include <linux/iio/buffer.h>
-#include <linux/iio/events.h>
 #include <linux/iio/iio.h>
-#include <linux/iio/sysfs.h>
-#include <linux/iio/trigger.h>
-#include <linux/iio/triggered_buffer.h>
-#include <linux/iio/trigger_consumer.h>
+
+#include "sx_common.h"
 
 /* Register definitions. */
-#define SX9310_REG_IRQ_SRC				0x00
+#define SX9310_REG_IRQ_SRC				SX_COMMON_REG_IRQ_SRC
 #define SX9310_REG_STAT0				0x01
 #define SX9310_REG_STAT1				0x02
 #define SX9310_REG_STAT1_COMPSTAT_MASK			GENMASK(3, 0)
@@ -135,81 +127,36 @@
 #define   SX9310_WHOAMI_VALUE				0x01
 #define   SX9311_WHOAMI_VALUE				0x02
 #define SX9310_REG_RESET				0x7f
-#define   SX9310_SOFT_RESET				0xde
 
 
 /* 4 hardware channels, as defined in STAT0: COMB, CS2, CS1 and CS0. */
 #define SX9310_NUM_CHANNELS				4
-static_assert(SX9310_NUM_CHANNELS < BITS_PER_LONG);
-
-struct sx9310_data {
-	/* Serialize access to registers and channel configuration */
-	struct mutex mutex;
-	struct i2c_client *client;
-	struct iio_trigger *trig;
-	struct regmap *regmap;
-	struct regulator_bulk_data supplies[2];
-	/*
-	 * Last reading of the proximity status for each channel.
-	 * We only send an event to user space when this changes.
-	 */
-	unsigned long chan_prox_stat;
-	bool trigger_enabled;
-	/* Ensure correct alignment of timestamp when present. */
-	struct {
-		__be16 channels[SX9310_NUM_CHANNELS];
-		s64 ts __aligned(8);
-	} buffer;
-	/* Remember enabled channels and sample rate during suspend. */
-	unsigned int suspend_ctrl0;
-	struct completion completion;
-	unsigned long chan_read;
-	unsigned long chan_event;
-	unsigned int whoami;
-};
-
-static const struct iio_event_spec sx9310_events[] = {
-	{
-		.type = IIO_EV_TYPE_THRESH,
-		.dir = IIO_EV_DIR_RISING,
-		.mask_shared_by_all = BIT(IIO_EV_INFO_PERIOD),
-	},
-	{
-		.type = IIO_EV_TYPE_THRESH,
-		.dir = IIO_EV_DIR_FALLING,
-		.mask_shared_by_all = BIT(IIO_EV_INFO_PERIOD),
-	},
-	{
-		.type = IIO_EV_TYPE_THRESH,
-		.dir = IIO_EV_DIR_EITHER,
-		.mask_separate = BIT(IIO_EV_INFO_ENABLE) |
-				 BIT(IIO_EV_INFO_HYSTERESIS) |
-				 BIT(IIO_EV_INFO_VALUE),
-	},
-};
-
-#define SX9310_NAMED_CHANNEL(idx, name)					 \
-	{								 \
-		.type = IIO_PROXIMITY,					 \
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |		 \
-				      BIT(IIO_CHAN_INFO_HARDWAREGAIN),   \
-		.info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
-		.info_mask_separate_available =				 \
-			BIT(IIO_CHAN_INFO_HARDWAREGAIN),		 \
-		.indexed = 1,						 \
-		.channel = idx,						 \
-		.extend_name = name,					 \
-		.address = SX9310_REG_DIFF_MSB,				 \
-		.event_spec = sx9310_events,				 \
-		.num_event_specs = ARRAY_SIZE(sx9310_events),		 \
-		.scan_index = idx,					 \
-		.scan_type = {						 \
-			.sign = 's',					 \
-			.realbits = 12,					 \
-			.storagebits = 16,				 \
-			.endianness = IIO_BE,				 \
-		},							 \
-	}
+static_assert(SX9310_NUM_CHANNELS <= SX_COMMON_MAX_NUM_CHANNELS);
+
+#define SX9310_NAMED_CHANNEL(idx, name)				 \
+{								 \
+	.type = IIO_PROXIMITY,					 \
+	.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |		 \
+			      BIT(IIO_CHAN_INFO_HARDWAREGAIN),   \
+	.info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
+	.info_mask_separate_available =				 \
+		BIT(IIO_CHAN_INFO_HARDWAREGAIN),		 \
+	.info_mask_shared_by_all_available =			 \
+		BIT(IIO_CHAN_INFO_SAMP_FREQ),			 \
+	.indexed = 1,						 \
+	.channel = idx,						 \
+	.extend_name = name,					 \
+	.address = SX9310_REG_DIFF_MSB,				 \
+	.event_spec = sx_common_events,				 \
+	.num_event_specs = ARRAY_SIZE(sx_common_events),	 \
+	.scan_index = idx,					 \
+	.scan_type = {						 \
+		.sign = 's',					 \
+		.realbits = 12,					 \
+		.storagebits = 16,				 \
+		.endianness = IIO_BE,				 \
+	},							 \
+}
 #define SX9310_CHANNEL(idx) SX9310_NAMED_CHANNEL(idx, NULL)
 
 static const struct iio_chan_spec sx9310_channels[] = {
@@ -251,22 +198,6 @@ static const unsigned int sx9310_scan_period_table[] = {
 	400, 600, 800, 1000, 2000, 3000, 4000, 5000,
 };
 
-static ssize_t sx9310_show_samp_freq_avail(struct device *dev,
-					   struct device_attribute *attr,
-					   char *buf)
-{
-	size_t len = 0;
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(sx9310_samp_freq_table); i++)
-		len += scnprintf(buf + len, PAGE_SIZE - len, "%d.%d ",
-				 sx9310_samp_freq_table[i].val,
-				 sx9310_samp_freq_table[i].val2);
-	buf[len - 1] = '\n';
-	return len;
-}
-static IIO_DEV_ATTR_SAMP_FREQ_AVAIL(sx9310_show_samp_freq_avail);
-
 static const struct regmap_range sx9310_writable_reg_ranges[] = {
 	regmap_reg_range(SX9310_REG_IRQ_MSK, SX9310_REG_IRQ_FUNC),
 	regmap_reg_range(SX9310_REG_PROX_CTRL0, SX9310_REG_PROX_CTRL19),
@@ -320,64 +251,7 @@ static const struct regmap_config sx9310_regmap_config = {
 	.volatile_table = &sx9310_volatile_regs,
 };
 
-static int sx9310_update_chan_en(struct sx9310_data *data,
-				 unsigned long chan_read,
-				 unsigned long chan_event)
-{
-	int ret;
-	unsigned long channels = chan_read | chan_event;
-
-	if ((data->chan_read | data->chan_event) != channels) {
-		ret = regmap_update_bits(data->regmap, SX9310_REG_PROX_CTRL0,
-					 SX9310_REG_PROX_CTRL0_SENSOREN_MASK,
-					 channels);
-		if (ret)
-			return ret;
-	}
-	data->chan_read = chan_read;
-	data->chan_event = chan_event;
-	return 0;
-}
-
-static int sx9310_get_read_channel(struct sx9310_data *data, int channel)
-{
-	return sx9310_update_chan_en(data, data->chan_read | BIT(channel),
-				     data->chan_event);
-}
-
-static int sx9310_put_read_channel(struct sx9310_data *data, int channel)
-{
-	return sx9310_update_chan_en(data, data->chan_read & ~BIT(channel),
-				     data->chan_event);
-}
-
-static int sx9310_get_event_channel(struct sx9310_data *data, int channel)
-{
-	return sx9310_update_chan_en(data, data->chan_read,
-				     data->chan_event | BIT(channel));
-}
-
-static int sx9310_put_event_channel(struct sx9310_data *data, int channel)
-{
-	return sx9310_update_chan_en(data, data->chan_read,
-				     data->chan_event & ~BIT(channel));
-}
-
-static int sx9310_enable_irq(struct sx9310_data *data, unsigned int irq)
-{
-	if (!data->client->irq)
-		return 0;
-	return regmap_update_bits(data->regmap, SX9310_REG_IRQ_MSK, irq, irq);
-}
-
-static int sx9310_disable_irq(struct sx9310_data *data, unsigned int irq)
-{
-	if (!data->client->irq)
-		return 0;
-	return regmap_update_bits(data->regmap, SX9310_REG_IRQ_MSK, irq, 0);
-}
-
-static int sx9310_read_prox_data(struct sx9310_data *data,
+static int sx9310_read_prox_data(struct sx_common_data *data,
 				 const struct iio_chan_spec *chan, __be16 *val)
 {
 	int ret;
@@ -393,7 +267,7 @@ static int sx9310_read_prox_data(struct sx9310_data *data,
  * If we have no interrupt support, we have to wait for a scan period
  * after enabling a channel to get a result.
  */
-static int sx9310_wait_for_sample(struct sx9310_data *data)
+static int sx9310_wait_for_sample(struct sx_common_data *data)
 {
 	int ret;
 	unsigned int val;
@@ -409,66 +283,7 @@ static int sx9310_wait_for_sample(struct sx9310_data *data)
 	return 0;
 }
 
-static int sx9310_read_proximity(struct sx9310_data *data,
-				 const struct iio_chan_spec *chan, int *val)
-{
-	int ret;
-	__be16 rawval;
-
-	mutex_lock(&data->mutex);
-
-	ret = sx9310_get_read_channel(data, chan->channel);
-	if (ret)
-		goto out;
-
-	ret = sx9310_enable_irq(data, SX9310_CONVDONE_IRQ);
-	if (ret)
-		goto out_put_channel;
-
-	mutex_unlock(&data->mutex);
-
-	if (data->client->irq) {
-		ret = wait_for_completion_interruptible(&data->completion);
-		reinit_completion(&data->completion);
-	} else {
-		ret = sx9310_wait_for_sample(data);
-	}
-
-	mutex_lock(&data->mutex);
-
-	if (ret)
-		goto out_disable_irq;
-
-	ret = sx9310_read_prox_data(data, chan, &rawval);
-	if (ret)
-		goto out_disable_irq;
-
-	*val = sign_extend32(be16_to_cpu(rawval),
-			     chan->address == SX9310_REG_DIFF_MSB ? 11 : 15);
-
-	ret = sx9310_disable_irq(data, SX9310_CONVDONE_IRQ);
-	if (ret)
-		goto out_put_channel;
-
-	ret = sx9310_put_read_channel(data, chan->channel);
-	if (ret)
-		goto out;
-
-	mutex_unlock(&data->mutex);
-
-	return IIO_VAL_INT;
-
-out_disable_irq:
-	sx9310_disable_irq(data, SX9310_CONVDONE_IRQ);
-out_put_channel:
-	sx9310_put_read_channel(data, chan->channel);
-out:
-	mutex_unlock(&data->mutex);
-
-	return ret;
-}
-
-static int sx9310_read_gain(struct sx9310_data *data,
+static int sx9310_read_gain(struct sx_common_data *data,
 			    const struct iio_chan_spec *chan, int *val)
 {
 	unsigned int regval, gain;
@@ -496,7 +311,7 @@ static int sx9310_read_gain(struct sx9310_data *data,
 	return IIO_VAL_INT;
 }
 
-static int sx9310_read_samp_freq(struct sx9310_data *data, int *val, int *val2)
+static int sx9310_read_samp_freq(struct sx_common_data *data, int *val, int *val2)
 {
 	unsigned int regval;
 	int ret;
@@ -516,7 +331,7 @@ static int sx9310_read_raw(struct iio_dev *indio_dev,
 			   const struct iio_chan_spec *chan, int *val,
 			   int *val2, long mask)
 {
-	struct sx9310_data *data = iio_priv(indio_dev);
+	struct sx_common_data *data = iio_priv(indio_dev);
 	int ret;
 
 	if (chan->type != IIO_PROXIMITY)
@@ -528,7 +343,7 @@ static int sx9310_read_raw(struct iio_dev *indio_dev,
 		if (ret)
 			return ret;
 
-		ret = sx9310_read_proximity(data, chan, val);
+		ret = sx_common_read_proximity(data, chan, val);
 		iio_device_release_direct_mode(indio_dev);
 		return ret;
 	case IIO_CHAN_INFO_HARDWAREGAIN:
@@ -562,9 +377,14 @@ static int sx9310_read_avail(struct iio_dev *indio_dev,
 		*length = ARRAY_SIZE(sx9310_gain_vals);
 		*vals = sx9310_gain_vals;
 		return IIO_AVAIL_LIST;
+	case IIO_CHAN_INFO_SAMP_FREQ:
+		*type = IIO_VAL_INT_PLUS_MICRO;
+		*length = ARRAY_SIZE(sx9310_samp_freq_table) * 2;
+		*vals = (int *)sx9310_samp_freq_table;
+		return IIO_AVAIL_LIST;
+	default:
+		return -EINVAL;
 	}
-
-	return -EINVAL;
 }
 
 static const unsigned int sx9310_pthresh_codes[] = {
@@ -581,12 +401,12 @@ static int sx9310_get_thresh_reg(unsigned int channel)
 	case 1:
 	case 2:
 		return SX9310_REG_PROX_CTRL9;
+	default:
+		return -EINVAL;
 	}
-
-	return -EINVAL;
 }
 
-static int sx9310_read_thresh(struct sx9310_data *data,
+static int sx9310_read_thresh(struct sx_common_data *data,
 			      const struct iio_chan_spec *chan, int *val)
 {
 	unsigned int reg;
@@ -609,7 +429,7 @@ static int sx9310_read_thresh(struct sx9310_data *data,
 	return IIO_VAL_INT;
 }
 
-static int sx9310_read_hysteresis(struct sx9310_data *data,
+static int sx9310_read_hysteresis(struct sx_common_data *data,
 				  const struct iio_chan_spec *chan, int *val)
 {
 	unsigned int regval, pthresh;
@@ -633,7 +453,7 @@ static int sx9310_read_hysteresis(struct sx9310_data *data,
 	return IIO_VAL_INT;
 }
 
-static int sx9310_read_far_debounce(struct sx9310_data *data, int *val)
+static int sx9310_read_far_debounce(struct sx_common_data *data, int *val)
 {
 	unsigned int regval;
 	int ret;
@@ -651,7 +471,7 @@ static int sx9310_read_far_debounce(struct sx9310_data *data, int *val)
 	return IIO_VAL_INT;
 }
 
-static int sx9310_read_close_debounce(struct sx9310_data *data, int *val)
+static int sx9310_read_close_debounce(struct sx_common_data *data, int *val)
 {
 	unsigned int regval;
 	int ret;
@@ -675,7 +495,7 @@ static int sx9310_read_event_val(struct iio_dev *indio_dev,
 				 enum iio_event_direction dir,
 				 enum iio_event_info info, int *val, int *val2)
 {
-	struct sx9310_data *data = iio_priv(indio_dev);
+	struct sx_common_data *data = iio_priv(indio_dev);
 
 	if (chan->type != IIO_PROXIMITY)
 		return -EINVAL;
@@ -699,7 +519,7 @@ static int sx9310_read_event_val(struct iio_dev *indio_dev,
 	}
 }
 
-static int sx9310_write_thresh(struct sx9310_data *data,
+static int sx9310_write_thresh(struct sx_common_data *data,
 			       const struct iio_chan_spec *chan, int val)
 {
 	unsigned int reg;
@@ -729,7 +549,7 @@ static int sx9310_write_thresh(struct sx9310_data *data,
 	return ret;
 }
 
-static int sx9310_write_hysteresis(struct sx9310_data *data,
+static int sx9310_write_hysteresis(struct sx_common_data *data,
 				   const struct iio_chan_spec *chan, int _val)
 {
 	unsigned int hyst, val = _val;
@@ -759,7 +579,7 @@ static int sx9310_write_hysteresis(struct sx9310_data *data,
 	return ret;
 }
 
-static int sx9310_write_far_debounce(struct sx9310_data *data, int val)
+static int sx9310_write_far_debounce(struct sx_common_data *data, int val)
 {
 	int ret;
 	unsigned int regval;
@@ -780,7 +600,7 @@ static int sx9310_write_far_debounce(struct sx9310_data *data, int val)
 	return ret;
 }
 
-static int sx9310_write_close_debounce(struct sx9310_data *data, int val)
+static int sx9310_write_close_debounce(struct sx_common_data *data, int val)
 {
 	int ret;
 	unsigned int regval;
@@ -807,7 +627,7 @@ static int sx9310_write_event_val(struct iio_dev *indio_dev,
 				  enum iio_event_direction dir,
 				  enum iio_event_info info, int val, int val2)
 {
-	struct sx9310_data *data = iio_priv(indio_dev);
+	struct sx_common_data *data = iio_priv(indio_dev);
 
 	if (chan->type != IIO_PROXIMITY)
 		return -EINVAL;
@@ -831,7 +651,7 @@ static int sx9310_write_event_val(struct iio_dev *indio_dev,
 	}
 }
 
-static int sx9310_set_samp_freq(struct sx9310_data *data, int val, int val2)
+static int sx9310_set_samp_freq(struct sx_common_data *data, int val, int val2)
 {
 	int i, ret;
 
@@ -855,8 +675,8 @@ static int sx9310_set_samp_freq(struct sx9310_data *data, int val, int val2)
 	return ret;
 }
 
-static int sx9310_write_gain(struct sx9310_data *data,
-			    const struct iio_chan_spec *chan, int val)
+static int sx9310_write_gain(struct sx_common_data *data,
+			     const struct iio_chan_spec *chan, int val)
 {
 	unsigned int gain, mask;
 	int ret;
@@ -890,7 +710,7 @@ static int sx9310_write_raw(struct iio_dev *indio_dev,
 			    const struct iio_chan_spec *chan, int val, int val2,
 			    long mask)
 {
-	struct sx9310_data *data = iio_priv(indio_dev);
+	struct sx_common_data *data = iio_priv(indio_dev);
 
 	if (chan->type != IIO_PROXIMITY)
 		return -EINVAL;
@@ -900,253 +720,12 @@ static int sx9310_write_raw(struct iio_dev *indio_dev,
 		return sx9310_set_samp_freq(data, val, val2);
 	case IIO_CHAN_INFO_HARDWAREGAIN:
 		return sx9310_write_gain(data, chan, val);
+	default:
+		return -EINVAL;
 	}
-
-	return -EINVAL;
-}
-
-static irqreturn_t sx9310_irq_handler(int irq, void *private)
-{
-	struct iio_dev *indio_dev = private;
-	struct sx9310_data *data = iio_priv(indio_dev);
-
-	if (data->trigger_enabled)
-		iio_trigger_poll(data->trig);
-
-	/*
-	 * Even if no event is enabled, we need to wake the thread to clear the
-	 * interrupt state by reading SX9310_REG_IRQ_SRC.
-	 * It is not possible to do that here because regmap_read takes a mutex.
-	 */
-	return IRQ_WAKE_THREAD;
-}
-
-static void sx9310_push_events(struct iio_dev *indio_dev)
-{
-	int ret;
-	unsigned int val, chan;
-	struct sx9310_data *data = iio_priv(indio_dev);
-	s64 timestamp = iio_get_time_ns(indio_dev);
-	unsigned long prox_changed;
-
-	/* Read proximity state on all channels */
-	ret = regmap_read(data->regmap, SX9310_REG_STAT0, &val);
-	if (ret) {
-		dev_err(&data->client->dev, "i2c transfer error in irq\n");
-		return;
-	}
-
-	/*
-	 * Only iterate over channels with changes on proximity status that have
-	 * events enabled.
-	 */
-	prox_changed = (data->chan_prox_stat ^ val) & data->chan_event;
-
-	for_each_set_bit(chan, &prox_changed, SX9310_NUM_CHANNELS) {
-		int dir;
-		u64 ev;
-
-		dir = (val & BIT(chan)) ? IIO_EV_DIR_FALLING : IIO_EV_DIR_RISING;
-		ev = IIO_UNMOD_EVENT_CODE(IIO_PROXIMITY, chan,
-					  IIO_EV_TYPE_THRESH, dir);
-
-		iio_push_event(indio_dev, ev, timestamp);
-	}
-	data->chan_prox_stat = val;
-}
-
-static irqreturn_t sx9310_irq_thread_handler(int irq, void *private)
-{
-	struct iio_dev *indio_dev = private;
-	struct sx9310_data *data = iio_priv(indio_dev);
-	int ret;
-	unsigned int val;
-
-	mutex_lock(&data->mutex);
-
-	ret = regmap_read(data->regmap, SX9310_REG_IRQ_SRC, &val);
-	if (ret) {
-		dev_err(&data->client->dev, "i2c transfer error in irq\n");
-		goto out;
-	}
-
-	if (val & (SX9310_FAR_IRQ | SX9310_CLOSE_IRQ))
-		sx9310_push_events(indio_dev);
-
-	if (val & SX9310_CONVDONE_IRQ)
-		complete(&data->completion);
-
-out:
-	mutex_unlock(&data->mutex);
-
-	return IRQ_HANDLED;
-}
-
-static int sx9310_read_event_config(struct iio_dev *indio_dev,
-				    const struct iio_chan_spec *chan,
-				    enum iio_event_type type,
-				    enum iio_event_direction dir)
-{
-	struct sx9310_data *data = iio_priv(indio_dev);
-
-	return !!(data->chan_event & BIT(chan->channel));
-}
-
-static int sx9310_write_event_config(struct iio_dev *indio_dev,
-				     const struct iio_chan_spec *chan,
-				     enum iio_event_type type,
-				     enum iio_event_direction dir, int state)
-{
-	struct sx9310_data *data = iio_priv(indio_dev);
-	unsigned int eventirq = SX9310_FAR_IRQ | SX9310_CLOSE_IRQ;
-	int ret;
-
-	/* If the state hasn't changed, there's nothing to do. */
-	if (!!(data->chan_event & BIT(chan->channel)) == state)
-		return 0;
-
-	mutex_lock(&data->mutex);
-	if (state) {
-		ret = sx9310_get_event_channel(data, chan->channel);
-		if (ret)
-			goto out_unlock;
-		if (!(data->chan_event & ~BIT(chan->channel))) {
-			ret = sx9310_enable_irq(data, eventirq);
-			if (ret)
-				sx9310_put_event_channel(data, chan->channel);
-		}
-	} else {
-		ret = sx9310_put_event_channel(data, chan->channel);
-		if (ret)
-			goto out_unlock;
-		if (!data->chan_event) {
-			ret = sx9310_disable_irq(data, eventirq);
-			if (ret)
-				sx9310_get_event_channel(data, chan->channel);
-		}
-	}
-
-out_unlock:
-	mutex_unlock(&data->mutex);
-	return ret;
-}
-
-static struct attribute *sx9310_attributes[] = {
-	&iio_dev_attr_sampling_frequency_available.dev_attr.attr,
-	NULL
-};
-
-static const struct attribute_group sx9310_attribute_group = {
-	.attrs = sx9310_attributes,
-};
-
-static const struct iio_info sx9310_info = {
-	.attrs = &sx9310_attribute_group,
-	.read_raw = sx9310_read_raw,
-	.read_avail = sx9310_read_avail,
-	.read_event_value = sx9310_read_event_val,
-	.write_event_value = sx9310_write_event_val,
-	.write_raw = sx9310_write_raw,
-	.read_event_config = sx9310_read_event_config,
-	.write_event_config = sx9310_write_event_config,
-};
-
-static int sx9310_set_trigger_state(struct iio_trigger *trig, bool state)
-{
-	struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);
-	struct sx9310_data *data = iio_priv(indio_dev);
-	int ret = 0;
-
-	mutex_lock(&data->mutex);
-
-	if (state)
-		ret = sx9310_enable_irq(data, SX9310_CONVDONE_IRQ);
-	else if (!data->chan_read)
-		ret = sx9310_disable_irq(data, SX9310_CONVDONE_IRQ);
-	if (ret)
-		goto out;
-
-	data->trigger_enabled = state;
-
-out:
-	mutex_unlock(&data->mutex);
-
-	return ret;
-}
-
-static const struct iio_trigger_ops sx9310_trigger_ops = {
-	.set_trigger_state = sx9310_set_trigger_state,
-};
-
-static irqreturn_t sx9310_trigger_handler(int irq, void *private)
-{
-	struct iio_poll_func *pf = private;
-	struct iio_dev *indio_dev = pf->indio_dev;
-	struct sx9310_data *data = iio_priv(indio_dev);
-	__be16 val;
-	int bit, ret, i = 0;
-
-	mutex_lock(&data->mutex);
-
-	for_each_set_bit(bit, indio_dev->active_scan_mask,
-			 indio_dev->masklength) {
-		ret = sx9310_read_prox_data(data, &indio_dev->channels[bit],
-					    &val);
-		if (ret)
-			goto out;
-
-		data->buffer.channels[i++] = val;
-	}
-
-	iio_push_to_buffers_with_timestamp(indio_dev, &data->buffer,
-					   pf->timestamp);
-
-out:
-	mutex_unlock(&data->mutex);
-
-	iio_trigger_notify_done(indio_dev->trig);
-
-	return IRQ_HANDLED;
-}
-
-static int sx9310_buffer_preenable(struct iio_dev *indio_dev)
-{
-	struct sx9310_data *data = iio_priv(indio_dev);
-	unsigned long channels = 0;
-	int bit, ret;
-
-	mutex_lock(&data->mutex);
-	for_each_set_bit(bit, indio_dev->active_scan_mask,
-			 indio_dev->masklength)
-		__set_bit(indio_dev->channels[bit].channel, &channels);
-
-	ret = sx9310_update_chan_en(data, channels, data->chan_event);
-	mutex_unlock(&data->mutex);
-	return ret;
 }
 
-static int sx9310_buffer_postdisable(struct iio_dev *indio_dev)
-{
-	struct sx9310_data *data = iio_priv(indio_dev);
-	int ret;
-
-	mutex_lock(&data->mutex);
-	ret = sx9310_update_chan_en(data, 0, data->chan_event);
-	mutex_unlock(&data->mutex);
-	return ret;
-}
-
-static const struct iio_buffer_setup_ops sx9310_buffer_setup_ops = {
-	.preenable = sx9310_buffer_preenable,
-	.postdisable = sx9310_buffer_postdisable,
-};
-
-struct sx9310_reg_default {
-	u8 reg;
-	u8 def;
-};
-
-static const struct sx9310_reg_default sx9310_default_regs[] = {
+static const struct sx_common_reg_default sx9310_default_regs[] = {
 	{ SX9310_REG_IRQ_MSK, 0x00 },
 	{ SX9310_REG_IRQ_FUNC, 0x00 },
 	/*
@@ -1191,7 +770,7 @@ static const struct sx9310_reg_default sx9310_default_regs[] = {
 /* Activate all channels and perform an initial compensation. */
 static int sx9310_init_compensation(struct iio_dev *indio_dev)
 {
-	struct sx9310_data *data = iio_priv(indio_dev);
+	struct sx_common_data *data = iio_priv(indio_dev);
 	int ret;
 	unsigned int val;
 	unsigned int ctrl0;
@@ -1209,21 +788,16 @@ static int sx9310_init_compensation(struct iio_dev *indio_dev)
 	ret = regmap_read_poll_timeout(data->regmap, SX9310_REG_STAT1, val,
 				       !(val & SX9310_REG_STAT1_COMPSTAT_MASK),
 				       20000, 2000000);
-	if (ret) {
-		if (ret == -ETIMEDOUT)
-			dev_err(&data->client->dev,
-				"initial compensation timed out: 0x%02x\n",
-				val);
+	if (ret)
 		return ret;
-	}
 
 	regmap_write(data->regmap, SX9310_REG_PROX_CTRL0, ctrl0);
 	return ret;
 }
 
-static const struct sx9310_reg_default *
+static const struct sx_common_reg_default *
 sx9310_get_default_reg(struct device *dev, int idx,
-		       struct sx9310_reg_default *reg_def)
+		       struct sx_common_reg_default *reg_def)
 {
 	u32 combined[SX9310_NUM_CHANNELS];
 	u32 start = 0, raw = 0, pos = 0;
@@ -1324,47 +898,21 @@ sx9310_get_default_reg(struct device *dev, int idx,
 	return reg_def;
 }
 
-static int sx9310_init_device(struct iio_dev *indio_dev)
+static int sx9310_check_whoami(struct device *dev,
+			       struct iio_dev *indio_dev)
 {
-	struct sx9310_data *data = iio_priv(indio_dev);
-	struct sx9310_reg_default tmp;
-	const struct sx9310_reg_default *initval;
+	struct sx_common_data *data = iio_priv(indio_dev);
+	unsigned int long ddata;
+	unsigned int whoami;
 	int ret;
-	unsigned int i, val;
-
-	ret = regmap_write(data->regmap, SX9310_REG_RESET, SX9310_SOFT_RESET);
-	if (ret)
-		return ret;
-
-	usleep_range(1000, 2000); /* power-up time is ~1ms. */
 
-	/* Clear reset interrupt state by reading SX9310_REG_IRQ_SRC. */
-	ret = regmap_read(data->regmap, SX9310_REG_IRQ_SRC, &val);
+	ret = regmap_read(data->regmap, SX9310_REG_WHOAMI, &whoami);
 	if (ret)
 		return ret;
 
-	/* Program some sane defaults. */
-	for (i = 0; i < ARRAY_SIZE(sx9310_default_regs); i++) {
-		initval = sx9310_get_default_reg(&indio_dev->dev, i, &tmp);
-		ret = regmap_write(data->regmap, initval->reg, initval->def);
-		if (ret)
-			return ret;
-	}
-
-	return sx9310_init_compensation(indio_dev);
-}
-
-static int sx9310_set_indio_dev_name(struct device *dev,
-				     struct iio_dev *indio_dev,
-				     unsigned int whoami)
-{
-	unsigned int long ddata;
-
 	ddata = (uintptr_t)device_get_match_data(dev);
-	if (ddata != whoami) {
-		dev_err(dev, "WHOAMI does not match device data: %u\n", whoami);
-		return -ENODEV;
-	}
+	if (ddata != whoami)
+		return -EINVAL;
 
 	switch (whoami) {
 	case SX9310_WHOAMI_VALUE:
@@ -1374,115 +922,52 @@ static int sx9310_set_indio_dev_name(struct device *dev,
 		indio_dev->name = "sx9311";
 		break;
 	default:
-		dev_err(dev, "unexpected WHOAMI response: %u\n", whoami);
 		return -ENODEV;
 	}
 
 	return 0;
 }
 
-static void sx9310_regulator_disable(void *_data)
-{
-	struct sx9310_data *data = _data;
+static const struct sx_common_chip_info sx9310_chip_info = {
+	.reg_stat = SX9310_REG_STAT0,
+	.reg_irq_msk = SX9310_REG_IRQ_MSK,
+	.reg_enable_chan = SX9310_REG_PROX_CTRL0,
+	.reg_reset = SX9310_REG_RESET,
+
+	.mask_enable_chan = SX9310_REG_STAT1_COMPSTAT_MASK,
+	.irq_msk_offset = 3,
+	.num_channels = SX9310_NUM_CHANNELS,
+	.num_default_regs = ARRAY_SIZE(sx9310_default_regs),
+
+	.ops = {
+		.read_prox_data = sx9310_read_prox_data,
+		.check_whoami = sx9310_check_whoami,
+		.init_compensation = sx9310_init_compensation,
+		.wait_for_sample = sx9310_wait_for_sample,
+		.get_default_reg = sx9310_get_default_reg,
+	},
 
-	regulator_bulk_disable(ARRAY_SIZE(data->supplies), data->supplies);
-}
+	.iio_channels = sx9310_channels,
+	.num_iio_channels = ARRAY_SIZE(sx9310_channels),
+	.iio_info =  {
+		.read_raw = sx9310_read_raw,
+		.read_avail = sx9310_read_avail,
+		.read_event_value = sx9310_read_event_val,
+		.write_event_value = sx9310_write_event_val,
+		.write_raw = sx9310_write_raw,
+		.read_event_config = sx_common_read_event_config,
+		.write_event_config = sx_common_write_event_config,
+	},
+};
 
 static int sx9310_probe(struct i2c_client *client)
 {
-	int ret;
-	struct device *dev = &client->dev;
-	struct iio_dev *indio_dev;
-	struct sx9310_data *data;
-
-	indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
-	if (!indio_dev)
-		return -ENOMEM;
-
-	data = iio_priv(indio_dev);
-	data->client = client;
-	data->supplies[0].supply = "vdd";
-	data->supplies[1].supply = "svdd";
-	mutex_init(&data->mutex);
-	init_completion(&data->completion);
-
-	data->regmap = devm_regmap_init_i2c(client, &sx9310_regmap_config);
-	if (IS_ERR(data->regmap))
-		return PTR_ERR(data->regmap);
-
-	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(data->supplies),
-				      data->supplies);
-	if (ret)
-		return ret;
-
-	ret = regulator_bulk_enable(ARRAY_SIZE(data->supplies), data->supplies);
-	if (ret)
-		return ret;
-	/* Must wait for Tpor time after initial power up */
-	usleep_range(1000, 1100);
-
-	ret = devm_add_action_or_reset(dev, sx9310_regulator_disable, data);
-	if (ret)
-		return ret;
-
-	ret = regmap_read(data->regmap, SX9310_REG_WHOAMI, &data->whoami);
-	if (ret) {
-		dev_err(dev, "error in reading WHOAMI register: %d", ret);
-		return ret;
-	}
-
-	ret = sx9310_set_indio_dev_name(dev, indio_dev, data->whoami);
-	if (ret)
-		return ret;
-
-	ACPI_COMPANION_SET(&indio_dev->dev, ACPI_COMPANION(dev));
-	indio_dev->channels = sx9310_channels;
-	indio_dev->num_channels = ARRAY_SIZE(sx9310_channels);
-	indio_dev->info = &sx9310_info;
-	indio_dev->modes = INDIO_DIRECT_MODE;
-	i2c_set_clientdata(client, indio_dev);
-
-	ret = sx9310_init_device(indio_dev);
-	if (ret)
-		return ret;
-
-	if (client->irq) {
-		ret = devm_request_threaded_irq(dev, client->irq,
-						sx9310_irq_handler,
-						sx9310_irq_thread_handler,
-						IRQF_ONESHOT,
-						"sx9310_event", indio_dev);
-		if (ret)
-			return ret;
-
-		data->trig = devm_iio_trigger_alloc(dev, "%s-dev%d",
-						    indio_dev->name,
-						    iio_device_id(indio_dev));
-		if (!data->trig)
-			return -ENOMEM;
-
-		data->trig->ops = &sx9310_trigger_ops;
-		iio_trigger_set_drvdata(data->trig, indio_dev);
-
-		ret = devm_iio_trigger_register(dev, data->trig);
-		if (ret)
-			return ret;
-	}
-
-	ret = devm_iio_triggered_buffer_setup(dev, indio_dev,
-					      iio_pollfunc_store_time,
-					      sx9310_trigger_handler,
-					      &sx9310_buffer_setup_ops);
-	if (ret)
-		return ret;
-
-	return devm_iio_device_register(dev, indio_dev);
+	return sx_common_probe(client, &sx9310_chip_info, &sx9310_regmap_config);
 }
 
 static int __maybe_unused sx9310_suspend(struct device *dev)
 {
-	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
-	struct sx9310_data *data = iio_priv(indio_dev);
+	struct sx_common_data *data = iio_priv(dev_get_drvdata(dev));
 	u8 ctrl0;
 	int ret;
 
@@ -1490,11 +975,11 @@ static int __maybe_unused sx9310_suspend(struct device *dev)
 
 	mutex_lock(&data->mutex);
 	ret = regmap_read(data->regmap, SX9310_REG_PROX_CTRL0,
-			  &data->suspend_ctrl0);
+			  &data->suspend_ctrl);
 	if (ret)
 		goto out;
 
-	ctrl0 = data->suspend_ctrl0 & ~SX9310_REG_PROX_CTRL0_SENSOREN_MASK;
+	ctrl0 = data->suspend_ctrl & ~SX9310_REG_PROX_CTRL0_SENSOREN_MASK;
 	ret = regmap_write(data->regmap, SX9310_REG_PROX_CTRL0, ctrl0);
 	if (ret)
 		goto out;
@@ -1508,8 +993,7 @@ out:
 
 static int __maybe_unused sx9310_resume(struct device *dev)
 {
-	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
-	struct sx9310_data *data = iio_priv(indio_dev);
+	struct sx_common_data *data = iio_priv(dev_get_drvdata(dev));
 	int ret;
 
 	mutex_lock(&data->mutex);
@@ -1518,7 +1002,7 @@ static int __maybe_unused sx9310_resume(struct device *dev)
 		goto out;
 
 	ret = regmap_write(data->regmap, SX9310_REG_PROX_CTRL0,
-			   data->suspend_ctrl0);
+			   data->suspend_ctrl);
 
 out:
 	mutex_unlock(&data->mutex);
@@ -1529,9 +1013,7 @@ out:
 	return 0;
 }
 
-static const struct dev_pm_ops sx9310_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(sx9310_suspend, sx9310_resume)
-};
+static SIMPLE_DEV_PM_OPS(sx9310_pm_ops, sx9310_suspend, sx9310_resume);
 
 static const struct acpi_device_id sx9310_acpi_match[] = {
 	{ "STH9310", SX9310_WHOAMI_VALUE },
@@ -1577,3 +1059,4 @@ MODULE_AUTHOR("Gwendal Grignou <gwendal@chromium.org>");
 MODULE_AUTHOR("Daniel Campello <campello@chromium.org>");
 MODULE_DESCRIPTION("Driver for Semtech SX9310/SX9311 proximity sensor");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(SEMTECH_PROX);
diff --git a/drivers/iio/proximity/sx9324.c b/drivers/iio/proximity/sx9324.c
new file mode 100644
index 000000000000..0d9bbbb50cb4
--- /dev/null
+++ b/drivers/iio/proximity/sx9324.c
@@ -0,0 +1,1068 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2021 Google LLC.
+ *
+ * Driver for Semtech's SX9324 capacitive proximity/button solution.
+ * Based on SX9324 driver and copy of datasheet at:
+ * https://edit.wpgdadawant.com/uploads/news_file/program/2019/30184/tech_files/program_30184_suggest_other_file.pdf
+ */
+
+#include <linux/acpi.h>
+#include <linux/bits.h>
+#include <linux/bitfield.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/log2.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/pm.h>
+#include <linux/property.h>
+#include <linux/regmap.h>
+
+#include <linux/iio/iio.h>
+
+#include "sx_common.h"
+
+/* Register definitions. */
+#define SX9324_REG_IRQ_SRC		SX_COMMON_REG_IRQ_SRC
+#define SX9324_REG_STAT0		0x01
+#define SX9324_REG_STAT1		0x02
+#define SX9324_REG_STAT2		0x03
+#define SX9324_REG_STAT2_COMPSTAT_MASK	GENMASK(3, 0)
+#define SX9324_REG_STAT3		0x04
+#define SX9324_REG_IRQ_MSK		0x05
+#define SX9324_CONVDONE_IRQ		BIT(3)
+#define SX9324_FAR_IRQ			BIT(5)
+#define SX9324_CLOSE_IRQ		BIT(6)
+#define SX9324_REG_IRQ_CFG0		0x06
+#define SX9324_REG_IRQ_CFG1		0x07
+#define SX9324_REG_IRQ_CFG1_FAILCOND    0x80
+#define SX9324_REG_IRQ_CFG2		0x08
+
+#define SX9324_REG_GNRL_CTRL0		0x10
+#define SX9324_REG_GNRL_CTRL0_SCANPERIOD_MASK GENMASK(4, 0)
+#define SX9324_REG_GNRL_CTRL0_SCANPERIOD_100MS 0x16
+#define SX9324_REG_GNRL_CTRL1		0x11
+#define SX9324_REG_GNRL_CTRL1_PHEN_MASK GENMASK(3, 0)
+#define SX9324_REG_GNRL_CTRL1_PAUSECTRL 0x20
+
+#define SX9324_REG_I2C_ADDR		0x14
+#define SX9324_REG_CLK_SPRD		0x15
+
+#define SX9324_REG_AFE_CTRL0		0x20
+#define SX9324_REG_AFE_CTRL1		0x21
+#define SX9324_REG_AFE_CTRL2		0x22
+#define SX9324_REG_AFE_CTRL3		0x23
+#define SX9324_REG_AFE_CTRL4		0x24
+#define SX9324_REG_AFE_CTRL4_FREQ_83_33HZ 0x40
+#define SX9324_REG_AFE_CTRL4_RESOLUTION_MASK GENMASK(2, 0)
+#define SX9324_REG_AFE_CTRL4_RES_100	0x04
+#define SX9324_REG_AFE_CTRL5		0x25
+#define SX9324_REG_AFE_CTRL6		0x26
+#define SX9324_REG_AFE_CTRL7		0x27
+#define SX9324_REG_AFE_PH0		0x28
+#define SX9324_REG_AFE_PH0_PIN_MASK(_pin) \
+	GENMASK(2 * (_pin) + 1, 2 * (_pin))
+
+#define SX9324_REG_AFE_PH1		0x29
+#define SX9324_REG_AFE_PH2		0x2a
+#define SX9324_REG_AFE_PH3		0x2b
+#define SX9324_REG_AFE_CTRL8		0x2c
+#define SX9324_REG_AFE_CTRL8_RESFILTN_4KOHM 0x02
+#define SX9324_REG_AFE_CTRL9		0x2d
+#define SX9324_REG_AFE_CTRL9_AGAIN_1	0x08
+
+#define SX9324_REG_PROX_CTRL0		0x30
+#define SX9324_REG_PROX_CTRL0_GAIN_MASK	GENMASK(5, 3)
+#define SX9324_REG_PROX_CTRL0_GAIN_1		0x80
+#define SX9324_REG_PROX_CTRL0_RAWFILT_MASK	GENMASK(2, 0)
+#define SX9324_REG_PROX_CTRL0_RAWFILT_1P50	0x01
+#define SX9324_REG_PROX_CTRL1		0x31
+#define SX9324_REG_PROX_CTRL2		0x32
+#define SX9324_REG_PROX_CTRL2_AVGNEG_THRESH_16K 0x20
+#define SX9324_REG_PROX_CTRL3		0x33
+#define SX9324_REG_PROX_CTRL3_AVGDEB_2SAMPLES	0x40
+#define SX9324_REG_PROX_CTRL3_AVGPOS_THRESH_16K 0x20
+#define SX9324_REG_PROX_CTRL4		0x34
+#define SX9324_REG_PROX_CTRL4_AVGNEGFILT_MASK	GENMASK(5, 3)
+#define SX9324_REG_PROX_CTRL4_AVGNEG_FILT_2 0x08
+#define SX9324_REG_PROX_CTRL4_AVGPOSFILT_MASK	GENMASK(2, 0)
+#define SX9324_REG_PROX_CTRL3_AVGPOS_FILT_256 0x04
+#define SX9324_REG_PROX_CTRL5		0x35
+#define SX9324_REG_PROX_CTRL5_HYST_MASK			GENMASK(5, 4)
+#define SX9324_REG_PROX_CTRL5_CLOSE_DEBOUNCE_MASK	GENMASK(3, 2)
+#define SX9324_REG_PROX_CTRL5_FAR_DEBOUNCE_MASK		GENMASK(1, 0)
+#define SX9324_REG_PROX_CTRL6		0x36
+#define SX9324_REG_PROX_CTRL6_PROXTHRESH_32	0x08
+#define SX9324_REG_PROX_CTRL7		0x37
+
+#define SX9324_REG_ADV_CTRL0		0x40
+#define SX9324_REG_ADV_CTRL1		0x41
+#define SX9324_REG_ADV_CTRL2		0x42
+#define SX9324_REG_ADV_CTRL3		0x43
+#define SX9324_REG_ADV_CTRL4		0x44
+#define SX9324_REG_ADV_CTRL5		0x45
+#define SX9324_REG_ADV_CTRL5_STARTUPSENS_MASK GENMASK(3, 2)
+#define SX9324_REG_ADV_CTRL5_STARTUP_SENSOR_1	0x04
+#define SX9324_REG_ADV_CTRL5_STARTUP_METHOD_1	0x01
+#define SX9324_REG_ADV_CTRL6		0x46
+#define SX9324_REG_ADV_CTRL7		0x47
+#define SX9324_REG_ADV_CTRL8		0x48
+#define SX9324_REG_ADV_CTRL9		0x49
+#define SX9324_REG_ADV_CTRL10		0x4a
+#define SX9324_REG_ADV_CTRL11		0x4b
+#define SX9324_REG_ADV_CTRL12		0x4c
+#define SX9324_REG_ADV_CTRL13		0x4d
+#define SX9324_REG_ADV_CTRL14		0x4e
+#define SX9324_REG_ADV_CTRL15		0x4f
+#define SX9324_REG_ADV_CTRL16		0x50
+#define SX9324_REG_ADV_CTRL17		0x51
+#define SX9324_REG_ADV_CTRL18		0x52
+#define SX9324_REG_ADV_CTRL19		0x53
+#define SX9324_REG_ADV_CTRL20		0x54
+#define SX9324_REG_ADV_CTRL19_HIGHT_FAILURE_THRESH_SATURATION 0xf0
+
+#define SX9324_REG_PHASE_SEL		0x60
+
+#define SX9324_REG_USEFUL_MSB		0x61
+#define SX9324_REG_USEFUL_LSB		0x62
+
+#define SX9324_REG_AVG_MSB		0x63
+#define SX9324_REG_AVG_LSB		0x64
+
+#define SX9324_REG_DIFF_MSB		0x65
+#define SX9324_REG_DIFF_LSB		0x66
+
+#define SX9324_REG_OFFSET_MSB		0x67
+#define SX9324_REG_OFFSET_LSB		0x68
+
+#define SX9324_REG_SAR_MSB		0x69
+#define SX9324_REG_SAR_LSB		0x6a
+
+#define SX9324_REG_RESET		0x9f
+/* Write this to REG_RESET to do a soft reset. */
+#define SX9324_SOFT_RESET		0xde
+
+#define SX9324_REG_WHOAMI		0xfa
+#define   SX9324_WHOAMI_VALUE		0x23
+
+#define SX9324_REG_REVISION		0xfe
+
+/* 4 channels, as defined in STAT0: PH0, PH1, PH2 and PH3. */
+#define SX9324_NUM_CHANNELS		4
+/* 3 CS pins: CS0, CS1, CS2. */
+#define SX9324_NUM_PINS			3
+
+static const char * const sx9324_cs_pin_usage[] = { "HZ", "MI", "DS", "GD" };
+
+static ssize_t sx9324_phase_configuration_show(struct iio_dev *indio_dev,
+					       uintptr_t private,
+					       const struct iio_chan_spec *chan,
+					       char *buf)
+{
+	struct sx_common_data *data = iio_priv(indio_dev);
+	unsigned int val;
+	int i, ret, pin_idx;
+	size_t len = 0;
+
+	ret = regmap_read(data->regmap, SX9324_REG_AFE_PH0 + chan->channel, &val);
+	if (ret < 0)
+		return ret;
+
+	for (i = 0; i < SX9324_NUM_PINS; i++) {
+		pin_idx = (val & SX9324_REG_AFE_PH0_PIN_MASK(i)) >> (2 * i);
+		len += sysfs_emit_at(buf, len, "%s,",
+				     sx9324_cs_pin_usage[pin_idx]);
+	}
+	buf[len - 1] = '\n';
+	return len;
+}
+
+static const struct iio_chan_spec_ext_info sx9324_channel_ext_info[] = {
+	{
+		.name = "setup",
+		.shared = IIO_SEPARATE,
+		.read = sx9324_phase_configuration_show,
+	},
+	{}
+};
+
+#define SX9324_CHANNEL(idx)					 \
+{								 \
+	.type = IIO_PROXIMITY,					 \
+	.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |		 \
+			      BIT(IIO_CHAN_INFO_HARDWAREGAIN),	 \
+	.info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
+	.info_mask_separate_available =				 \
+		BIT(IIO_CHAN_INFO_HARDWAREGAIN),		 \
+	.info_mask_shared_by_all_available =			 \
+		BIT(IIO_CHAN_INFO_SAMP_FREQ),			 \
+	.indexed = 1,						 \
+	.channel = idx,						 \
+	.address = SX9324_REG_DIFF_MSB,				 \
+	.event_spec = sx_common_events,				 \
+	.num_event_specs = ARRAY_SIZE(sx_common_events),	 \
+	.scan_index = idx,					 \
+	.scan_type = {						 \
+		.sign = 's',					 \
+		.realbits = 12,					 \
+		.storagebits = 16,				 \
+		.endianness = IIO_BE,				 \
+	},							 \
+	.ext_info = sx9324_channel_ext_info,			 \
+}
+
+static const struct iio_chan_spec sx9324_channels[] = {
+	SX9324_CHANNEL(0),			/* Phase 0 */
+	SX9324_CHANNEL(1),			/* Phase 1 */
+	SX9324_CHANNEL(2),			/* Phase 2 */
+	SX9324_CHANNEL(3),			/* Phase 3 */
+	IIO_CHAN_SOFT_TIMESTAMP(4),
+};
+
+/*
+ * Each entry contains the integer part (val) and the fractional part, in micro
+ * seconds. It conforms to the IIO output IIO_VAL_INT_PLUS_MICRO.
+ */
+static const struct {
+	int val;
+	int val2;
+} sx9324_samp_freq_table[] = {
+	{ 1000, 0 },  /* 00000: Min (no idle time) */
+	{ 500, 0 },  /* 00001: 2 ms */
+	{ 250, 0 },  /* 00010: 4 ms */
+	{ 166, 666666 },  /* 00011: 6 ms */
+	{ 125, 0 },  /* 00100: 8 ms */
+	{ 100, 0 },  /* 00101: 10 ms */
+	{ 71, 428571 },  /* 00110: 14 ms */
+	{ 55, 555556 },  /* 00111: 18 ms */
+	{ 45, 454545 },  /* 01000: 22 ms */
+	{ 38, 461538 },  /* 01001: 26 ms */
+	{ 33, 333333 },  /* 01010: 30 ms */
+	{ 29, 411765 },  /* 01011: 34 ms */
+	{ 26, 315789 },  /* 01100: 38 ms */
+	{ 23, 809524 },  /* 01101: 42 ms */
+	{ 21, 739130 },  /* 01110: 46 ms */
+	{ 20, 0 },  /* 01111: 50 ms */
+	{ 17, 857143 },  /* 10000: 56 ms */
+	{ 16, 129032 },  /* 10001: 62 ms */
+	{ 14, 705882 },  /* 10010: 68 ms */
+	{ 13, 513514 },  /* 10011: 74 ms */
+	{ 12, 500000 },  /* 10100: 80 ms */
+	{ 11, 111111 },  /* 10101: 90 ms */
+	{ 10, 0 },  /* 10110: 100 ms (Typ.) */
+	{ 5, 0 },  /* 10111: 200 ms */
+	{ 3, 333333 },  /* 11000: 300 ms */
+	{ 2, 500000 },  /* 11001: 400 ms */
+	{ 1, 666667 },  /* 11010: 600 ms */
+	{ 1, 250000 },  /* 11011: 800 ms */
+	{ 1, 0 },  /* 11100: 1 s */
+	{ 0, 500000 },  /* 11101: 2 s */
+	{ 0, 333333 },  /* 11110: 3 s */
+	{ 0, 250000 },  /* 11111: 4 s */
+};
+
+static const unsigned int sx9324_scan_period_table[] = {
+	2,   15,  30,  45,   60,   90,	 120,  200,
+	400, 600, 800, 1000, 2000, 3000, 4000, 5000,
+};
+
+static const struct regmap_range sx9324_writable_reg_ranges[] = {
+	/*
+	 * To set COMPSTAT for compensation, even if datasheet says register is
+	 * RO.
+	 */
+	regmap_reg_range(SX9324_REG_STAT2, SX9324_REG_STAT2),
+	regmap_reg_range(SX9324_REG_IRQ_MSK, SX9324_REG_IRQ_CFG2),
+	regmap_reg_range(SX9324_REG_GNRL_CTRL0, SX9324_REG_GNRL_CTRL1),
+	/* Leave i2c and clock spreading as unavailable */
+	regmap_reg_range(SX9324_REG_AFE_CTRL0, SX9324_REG_AFE_CTRL9),
+	regmap_reg_range(SX9324_REG_PROX_CTRL0, SX9324_REG_PROX_CTRL7),
+	regmap_reg_range(SX9324_REG_ADV_CTRL0, SX9324_REG_ADV_CTRL20),
+	regmap_reg_range(SX9324_REG_PHASE_SEL, SX9324_REG_PHASE_SEL),
+	regmap_reg_range(SX9324_REG_OFFSET_MSB, SX9324_REG_OFFSET_LSB),
+	regmap_reg_range(SX9324_REG_RESET, SX9324_REG_RESET),
+};
+
+static const struct regmap_access_table sx9324_writeable_regs = {
+	.yes_ranges = sx9324_writable_reg_ranges,
+	.n_yes_ranges = ARRAY_SIZE(sx9324_writable_reg_ranges),
+};
+
+/*
+ * All allocated registers are readable, so we just list unallocated
+ * ones.
+ */
+static const struct regmap_range sx9324_non_readable_reg_ranges[] = {
+	regmap_reg_range(SX9324_REG_IRQ_CFG2 + 1, SX9324_REG_GNRL_CTRL0 - 1),
+	regmap_reg_range(SX9324_REG_GNRL_CTRL1 + 1, SX9324_REG_AFE_CTRL0 - 1),
+	regmap_reg_range(SX9324_REG_AFE_CTRL9 + 1, SX9324_REG_PROX_CTRL0 - 1),
+	regmap_reg_range(SX9324_REG_PROX_CTRL7 + 1, SX9324_REG_ADV_CTRL0 - 1),
+	regmap_reg_range(SX9324_REG_ADV_CTRL20 + 1, SX9324_REG_PHASE_SEL - 1),
+	regmap_reg_range(SX9324_REG_SAR_LSB + 1, SX9324_REG_RESET - 1),
+	regmap_reg_range(SX9324_REG_RESET + 1, SX9324_REG_WHOAMI - 1),
+	regmap_reg_range(SX9324_REG_WHOAMI + 1, SX9324_REG_REVISION - 1),
+};
+
+static const struct regmap_access_table sx9324_readable_regs = {
+	.no_ranges = sx9324_non_readable_reg_ranges,
+	.n_no_ranges = ARRAY_SIZE(sx9324_non_readable_reg_ranges),
+};
+
+static const struct regmap_range sx9324_volatile_reg_ranges[] = {
+	regmap_reg_range(SX9324_REG_IRQ_SRC, SX9324_REG_STAT3),
+	regmap_reg_range(SX9324_REG_USEFUL_MSB, SX9324_REG_DIFF_LSB),
+	regmap_reg_range(SX9324_REG_SAR_MSB, SX9324_REG_SAR_LSB),
+	regmap_reg_range(SX9324_REG_WHOAMI, SX9324_REG_WHOAMI),
+	regmap_reg_range(SX9324_REG_REVISION, SX9324_REG_REVISION),
+};
+
+static const struct regmap_access_table sx9324_volatile_regs = {
+	.yes_ranges = sx9324_volatile_reg_ranges,
+	.n_yes_ranges = ARRAY_SIZE(sx9324_volatile_reg_ranges),
+};
+
+static const struct regmap_config sx9324_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+
+	.max_register = SX9324_REG_REVISION,
+	.cache_type = REGCACHE_RBTREE,
+
+	.wr_table = &sx9324_writeable_regs,
+	.rd_table = &sx9324_readable_regs,
+	.volatile_table = &sx9324_volatile_regs,
+};
+
+static int sx9324_read_prox_data(struct sx_common_data *data,
+				 const struct iio_chan_spec *chan,
+				 __be16 *val)
+{
+	int ret;
+
+	ret = regmap_write(data->regmap, SX9324_REG_PHASE_SEL, chan->channel);
+	if (ret < 0)
+		return ret;
+
+	return regmap_bulk_read(data->regmap, chan->address, val, sizeof(*val));
+}
+
+/*
+ * If we have no interrupt support, we have to wait for a scan period
+ * after enabling a channel to get a result.
+ */
+static int sx9324_wait_for_sample(struct sx_common_data *data)
+{
+	int ret;
+	unsigned int val;
+
+	ret = regmap_read(data->regmap, SX9324_REG_GNRL_CTRL0, &val);
+	if (ret < 0)
+		return ret;
+	val = FIELD_GET(SX9324_REG_GNRL_CTRL0_SCANPERIOD_MASK, val);
+
+	msleep(sx9324_scan_period_table[val]);
+
+	return 0;
+}
+
+static int sx9324_read_gain(struct sx_common_data *data,
+			    const struct iio_chan_spec *chan, int *val)
+{
+	unsigned int reg, regval;
+	int ret;
+
+	reg = SX9324_REG_PROX_CTRL0 + chan->channel / 2;
+	ret = regmap_read(data->regmap, reg, &regval);
+	if (ret)
+		return ret;
+
+	*val = 1 << FIELD_GET(SX9324_REG_PROX_CTRL0_GAIN_MASK, regval);
+
+	return IIO_VAL_INT;
+}
+
+static int sx9324_read_samp_freq(struct sx_common_data *data,
+				 int *val, int *val2)
+{
+	int ret;
+	unsigned int regval;
+
+	ret = regmap_read(data->regmap, SX9324_REG_GNRL_CTRL0, &regval);
+	if (ret)
+		return ret;
+
+	regval = FIELD_GET(SX9324_REG_GNRL_CTRL0_SCANPERIOD_MASK, regval);
+	*val = sx9324_samp_freq_table[regval].val;
+	*val2 = sx9324_samp_freq_table[regval].val2;
+
+	return IIO_VAL_INT_PLUS_MICRO;
+}
+
+static int sx9324_read_raw(struct iio_dev *indio_dev,
+			   const struct iio_chan_spec *chan,
+			   int *val, int *val2, long mask)
+{
+	struct sx_common_data *data = iio_priv(indio_dev);
+	int ret;
+
+	switch (mask) {
+	case IIO_CHAN_INFO_RAW:
+		ret = iio_device_claim_direct_mode(indio_dev);
+		if (ret)
+			return ret;
+
+		ret = sx_common_read_proximity(data, chan, val);
+		iio_device_release_direct_mode(indio_dev);
+		return ret;
+	case IIO_CHAN_INFO_HARDWAREGAIN:
+		ret = iio_device_claim_direct_mode(indio_dev);
+		if (ret)
+			return ret;
+
+		ret = sx9324_read_gain(data, chan, val);
+		iio_device_release_direct_mode(indio_dev);
+		return ret;
+	case IIO_CHAN_INFO_SAMP_FREQ:
+		return sx9324_read_samp_freq(data, val, val2);
+	default:
+		return -EINVAL;
+	}
+}
+
+static const int sx9324_gain_vals[] = { 1, 2, 4, 8 };
+
+static int sx9324_read_avail(struct iio_dev *indio_dev,
+			     struct iio_chan_spec const *chan,
+			     const int **vals, int *type, int *length,
+			     long mask)
+{
+	if (chan->type != IIO_PROXIMITY)
+		return -EINVAL;
+
+	switch (mask) {
+	case IIO_CHAN_INFO_HARDWAREGAIN:
+		*type = IIO_VAL_INT;
+		*length = ARRAY_SIZE(sx9324_gain_vals);
+		*vals = sx9324_gain_vals;
+		return IIO_AVAIL_LIST;
+	case IIO_CHAN_INFO_SAMP_FREQ:
+		*type = IIO_VAL_INT_PLUS_MICRO;
+		*length = ARRAY_SIZE(sx9324_samp_freq_table) * 2;
+		*vals = (int *)sx9324_samp_freq_table;
+		return IIO_AVAIL_LIST;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int sx9324_set_samp_freq(struct sx_common_data *data,
+				int val, int val2)
+{
+	int i, ret;
+
+	for (i = 0; i < ARRAY_SIZE(sx9324_samp_freq_table); i++)
+		if (val == sx9324_samp_freq_table[i].val &&
+		    val2 == sx9324_samp_freq_table[i].val2)
+			break;
+
+	if (i == ARRAY_SIZE(sx9324_samp_freq_table))
+		return -EINVAL;
+
+	mutex_lock(&data->mutex);
+
+	ret = regmap_update_bits(data->regmap,
+				 SX9324_REG_GNRL_CTRL0,
+				 SX9324_REG_GNRL_CTRL0_SCANPERIOD_MASK, i);
+
+	mutex_unlock(&data->mutex);
+
+	return ret;
+}
+
+static int sx9324_read_thresh(struct sx_common_data *data,
+			      const struct iio_chan_spec *chan, int *val)
+{
+	unsigned int regval;
+	unsigned int reg;
+	int ret;
+
+	/*
+	 * TODO(gwendal): Depending on the phase function
+	 * (proximity/table/body), retrieve the right threshold.
+	 * For now, return the proximity threshold.
+	 */
+	reg = SX9324_REG_PROX_CTRL6 + chan->channel / 2;
+	ret = regmap_read(data->regmap, reg, &regval);
+	if (ret)
+		return ret;
+
+	if (regval <= 1)
+		*val = regval;
+	else
+		*val = (regval * regval) / 2;
+
+	return IIO_VAL_INT;
+}
+
+static int sx9324_read_hysteresis(struct sx_common_data *data,
+				  const struct iio_chan_spec *chan, int *val)
+{
+	unsigned int regval, pthresh;
+	int ret;
+
+	ret = sx9324_read_thresh(data, chan, &pthresh);
+	if (ret < 0)
+		return ret;
+
+	ret = regmap_read(data->regmap, SX9324_REG_PROX_CTRL5, &regval);
+	if (ret)
+		return ret;
+
+	regval = FIELD_GET(SX9324_REG_PROX_CTRL5_HYST_MASK, regval);
+	if (!regval)
+		*val = 0;
+	else
+		*val = pthresh >> (5 - regval);
+
+	return IIO_VAL_INT;
+}
+
+static int sx9324_read_far_debounce(struct sx_common_data *data, int *val)
+{
+	unsigned int regval;
+	int ret;
+
+	ret = regmap_read(data->regmap, SX9324_REG_PROX_CTRL5, &regval);
+	if (ret)
+		return ret;
+
+	regval = FIELD_GET(SX9324_REG_PROX_CTRL5_FAR_DEBOUNCE_MASK, regval);
+	if (regval)
+		*val = 1 << regval;
+	else
+		*val = 0;
+
+	return IIO_VAL_INT;
+}
+
+static int sx9324_read_close_debounce(struct sx_common_data *data, int *val)
+{
+	unsigned int regval;
+	int ret;
+
+	ret = regmap_read(data->regmap, SX9324_REG_PROX_CTRL5, &regval);
+	if (ret)
+		return ret;
+
+	regval = FIELD_GET(SX9324_REG_PROX_CTRL5_CLOSE_DEBOUNCE_MASK, regval);
+	if (regval)
+		*val = 1 << regval;
+	else
+		*val = 0;
+
+	return IIO_VAL_INT;
+}
+
+static int sx9324_read_event_val(struct iio_dev *indio_dev,
+				 const struct iio_chan_spec *chan,
+				 enum iio_event_type type,
+				 enum iio_event_direction dir,
+				 enum iio_event_info info, int *val, int *val2)
+{
+	struct sx_common_data *data = iio_priv(indio_dev);
+
+	if (chan->type != IIO_PROXIMITY)
+		return -EINVAL;
+
+	switch (info) {
+	case IIO_EV_INFO_VALUE:
+		return sx9324_read_thresh(data, chan, val);
+	case IIO_EV_INFO_PERIOD:
+		switch (dir) {
+		case IIO_EV_DIR_RISING:
+			return sx9324_read_far_debounce(data, val);
+		case IIO_EV_DIR_FALLING:
+			return sx9324_read_close_debounce(data, val);
+		default:
+			return -EINVAL;
+		}
+	case IIO_EV_INFO_HYSTERESIS:
+		return sx9324_read_hysteresis(data, chan, val);
+	default:
+		return -EINVAL;
+	}
+}
+
+static int sx9324_write_thresh(struct sx_common_data *data,
+			       const struct iio_chan_spec *chan, int _val)
+{
+	unsigned int reg, val = _val;
+	int ret;
+
+	reg = SX9324_REG_PROX_CTRL6 + chan->channel / 2;
+
+	if (val >= 1)
+		val = int_sqrt(2 * val);
+
+	if (val > 0xff)
+		return -EINVAL;
+
+	mutex_lock(&data->mutex);
+	ret = regmap_write(data->regmap, reg, val);
+	mutex_unlock(&data->mutex);
+
+	return ret;
+}
+
+static int sx9324_write_hysteresis(struct sx_common_data *data,
+				   const struct iio_chan_spec *chan, int _val)
+{
+	unsigned int hyst, val = _val;
+	int ret, pthresh;
+
+	ret = sx9324_read_thresh(data, chan, &pthresh);
+	if (ret < 0)
+		return ret;
+
+	if (val == 0)
+		hyst = 0;
+	else if (val >= pthresh >> 2)
+		hyst = 3;
+	else if (val >= pthresh >> 3)
+		hyst = 2;
+	else if (val >= pthresh >> 4)
+		hyst = 1;
+	else
+		return -EINVAL;
+
+	hyst = FIELD_PREP(SX9324_REG_PROX_CTRL5_HYST_MASK, hyst);
+	mutex_lock(&data->mutex);
+	ret = regmap_update_bits(data->regmap, SX9324_REG_PROX_CTRL5,
+				 SX9324_REG_PROX_CTRL5_HYST_MASK, hyst);
+	mutex_unlock(&data->mutex);
+
+	return ret;
+}
+
+static int sx9324_write_far_debounce(struct sx_common_data *data, int _val)
+{
+	unsigned int regval, val = _val;
+	int ret;
+
+	if (val > 0)
+		val = ilog2(val);
+	if (!FIELD_FIT(SX9324_REG_PROX_CTRL5_FAR_DEBOUNCE_MASK, val))
+		return -EINVAL;
+
+	regval = FIELD_PREP(SX9324_REG_PROX_CTRL5_FAR_DEBOUNCE_MASK, val);
+
+	mutex_lock(&data->mutex);
+	ret = regmap_update_bits(data->regmap, SX9324_REG_PROX_CTRL5,
+				 SX9324_REG_PROX_CTRL5_FAR_DEBOUNCE_MASK,
+				 regval);
+	mutex_unlock(&data->mutex);
+
+	return ret;
+}
+
+static int sx9324_write_close_debounce(struct sx_common_data *data, int _val)
+{
+	unsigned int regval, val = _val;
+	int ret;
+
+	if (val > 0)
+		val = ilog2(val);
+	if (!FIELD_FIT(SX9324_REG_PROX_CTRL5_CLOSE_DEBOUNCE_MASK, val))
+		return -EINVAL;
+
+	regval = FIELD_PREP(SX9324_REG_PROX_CTRL5_CLOSE_DEBOUNCE_MASK, val);
+
+	mutex_lock(&data->mutex);
+	ret = regmap_update_bits(data->regmap, SX9324_REG_PROX_CTRL5,
+				 SX9324_REG_PROX_CTRL5_CLOSE_DEBOUNCE_MASK,
+				 regval);
+	mutex_unlock(&data->mutex);
+
+	return ret;
+}
+
+static int sx9324_write_event_val(struct iio_dev *indio_dev,
+				  const struct iio_chan_spec *chan,
+				  enum iio_event_type type,
+				  enum iio_event_direction dir,
+				  enum iio_event_info info, int val, int val2)
+{
+	struct sx_common_data *data = iio_priv(indio_dev);
+
+	if (chan->type != IIO_PROXIMITY)
+		return -EINVAL;
+
+	switch (info) {
+	case IIO_EV_INFO_VALUE:
+		return sx9324_write_thresh(data, chan, val);
+	case IIO_EV_INFO_PERIOD:
+		switch (dir) {
+		case IIO_EV_DIR_RISING:
+			return sx9324_write_far_debounce(data, val);
+		case IIO_EV_DIR_FALLING:
+			return sx9324_write_close_debounce(data, val);
+		default:
+			return -EINVAL;
+		}
+	case IIO_EV_INFO_HYSTERESIS:
+		return sx9324_write_hysteresis(data, chan, val);
+	default:
+		return -EINVAL;
+	}
+}
+
+static int sx9324_write_gain(struct sx_common_data *data,
+			     const struct iio_chan_spec *chan, int val)
+{
+	unsigned int gain, reg;
+	int ret;
+
+	gain = ilog2(val);
+	reg = SX9324_REG_PROX_CTRL0 + chan->channel / 2;
+	gain = FIELD_PREP(SX9324_REG_PROX_CTRL0_GAIN_MASK, gain);
+
+	mutex_lock(&data->mutex);
+	ret = regmap_update_bits(data->regmap, reg,
+				 SX9324_REG_PROX_CTRL0_GAIN_MASK,
+				 gain);
+	mutex_unlock(&data->mutex);
+
+	return ret;
+}
+
+static int sx9324_write_raw(struct iio_dev *indio_dev,
+			    const struct iio_chan_spec *chan, int val, int val2,
+			    long mask)
+{
+	struct sx_common_data *data = iio_priv(indio_dev);
+
+	switch (mask) {
+	case IIO_CHAN_INFO_SAMP_FREQ:
+		return sx9324_set_samp_freq(data, val, val2);
+	case IIO_CHAN_INFO_HARDWAREGAIN:
+		return sx9324_write_gain(data, chan, val);
+	default:
+		return -EINVAL;
+	}
+}
+
+static const struct sx_common_reg_default sx9324_default_regs[] = {
+	{ SX9324_REG_IRQ_MSK, 0x00 },
+	{ SX9324_REG_IRQ_CFG0, 0x00 },
+	{ SX9324_REG_IRQ_CFG1, SX9324_REG_IRQ_CFG1_FAILCOND },
+	{ SX9324_REG_IRQ_CFG2, 0x00 },
+	{ SX9324_REG_GNRL_CTRL0, SX9324_REG_GNRL_CTRL0_SCANPERIOD_100MS },
+	/*
+	 * The lower 4 bits should not be set as it enable sensors measurements.
+	 * Turning the detection on before the configuration values are set to
+	 * good values can cause the device to return erroneous readings.
+	 */
+	{ SX9324_REG_GNRL_CTRL1, SX9324_REG_GNRL_CTRL1_PAUSECTRL },
+
+	{ SX9324_REG_AFE_CTRL0, 0x00 },
+	{ SX9324_REG_AFE_CTRL3, 0x00 },
+	{ SX9324_REG_AFE_CTRL4, SX9324_REG_AFE_CTRL4_FREQ_83_33HZ |
+		SX9324_REG_AFE_CTRL4_RES_100 },
+	{ SX9324_REG_AFE_CTRL6, 0x00 },
+	{ SX9324_REG_AFE_CTRL7, SX9324_REG_AFE_CTRL4_FREQ_83_33HZ |
+		SX9324_REG_AFE_CTRL4_RES_100 },
+
+	/* TODO(gwendal): PHx use chip default or all grounded? */
+	{ SX9324_REG_AFE_PH0, 0x29 },
+	{ SX9324_REG_AFE_PH1, 0x26 },
+	{ SX9324_REG_AFE_PH2, 0x1a },
+	{ SX9324_REG_AFE_PH3, 0x16 },
+
+	{ SX9324_REG_AFE_CTRL8, SX9324_REG_AFE_CTRL8_RESFILTN_4KOHM },
+	{ SX9324_REG_AFE_CTRL9, SX9324_REG_AFE_CTRL9_AGAIN_1 },
+
+	{ SX9324_REG_PROX_CTRL0, SX9324_REG_PROX_CTRL0_GAIN_1 |
+		SX9324_REG_PROX_CTRL0_RAWFILT_1P50 },
+	{ SX9324_REG_PROX_CTRL1, SX9324_REG_PROX_CTRL0_GAIN_1 |
+		SX9324_REG_PROX_CTRL0_RAWFILT_1P50 },
+	{ SX9324_REG_PROX_CTRL2, SX9324_REG_PROX_CTRL2_AVGNEG_THRESH_16K },
+	{ SX9324_REG_PROX_CTRL3, SX9324_REG_PROX_CTRL3_AVGDEB_2SAMPLES |
+		SX9324_REG_PROX_CTRL3_AVGPOS_THRESH_16K },
+	{ SX9324_REG_PROX_CTRL4, SX9324_REG_PROX_CTRL4_AVGNEG_FILT_2 |
+		SX9324_REG_PROX_CTRL3_AVGPOS_FILT_256 },
+	{ SX9324_REG_PROX_CTRL5, 0x00 },
+	{ SX9324_REG_PROX_CTRL6, SX9324_REG_PROX_CTRL6_PROXTHRESH_32 },
+	{ SX9324_REG_PROX_CTRL7, SX9324_REG_PROX_CTRL6_PROXTHRESH_32 },
+	{ SX9324_REG_ADV_CTRL0, 0x00 },
+	{ SX9324_REG_ADV_CTRL1, 0x00 },
+	{ SX9324_REG_ADV_CTRL2, 0x00 },
+	{ SX9324_REG_ADV_CTRL3, 0x00 },
+	{ SX9324_REG_ADV_CTRL4, 0x00 },
+	{ SX9324_REG_ADV_CTRL5, SX9324_REG_ADV_CTRL5_STARTUP_SENSOR_1 |
+		SX9324_REG_ADV_CTRL5_STARTUP_METHOD_1 },
+	{ SX9324_REG_ADV_CTRL6, 0x00 },
+	{ SX9324_REG_ADV_CTRL7, 0x00 },
+	{ SX9324_REG_ADV_CTRL8, 0x00 },
+	{ SX9324_REG_ADV_CTRL9, 0x00 },
+	/* Body/Table threshold */
+	{ SX9324_REG_ADV_CTRL10, 0x00 },
+	{ SX9324_REG_ADV_CTRL11, 0x00 },
+	{ SX9324_REG_ADV_CTRL12, 0x00 },
+	/* TODO(gwendal): SAR currenly disabled */
+	{ SX9324_REG_ADV_CTRL13, 0x00 },
+	{ SX9324_REG_ADV_CTRL14, 0x00 },
+	{ SX9324_REG_ADV_CTRL15, 0x00 },
+	{ SX9324_REG_ADV_CTRL16, 0x00 },
+	{ SX9324_REG_ADV_CTRL17, 0x00 },
+	{ SX9324_REG_ADV_CTRL18, 0x00 },
+	{ SX9324_REG_ADV_CTRL19, SX9324_REG_ADV_CTRL19_HIGHT_FAILURE_THRESH_SATURATION },
+	{ SX9324_REG_ADV_CTRL20, SX9324_REG_ADV_CTRL19_HIGHT_FAILURE_THRESH_SATURATION },
+};
+
+/* Activate all channels and perform an initial compensation. */
+static int sx9324_init_compensation(struct iio_dev *indio_dev)
+{
+	struct sx_common_data *data = iio_priv(indio_dev);
+	unsigned int val;
+	int ret;
+
+	/* run the compensation phase on all channels */
+	ret = regmap_update_bits(data->regmap, SX9324_REG_STAT2,
+				 SX9324_REG_STAT2_COMPSTAT_MASK,
+				 SX9324_REG_STAT2_COMPSTAT_MASK);
+	if (ret)
+		return ret;
+
+	return regmap_read_poll_timeout(data->regmap, SX9324_REG_STAT2, val,
+					!(val & SX9324_REG_STAT2_COMPSTAT_MASK),
+					20000, 2000000);
+}
+
+static const struct sx_common_reg_default *
+sx9324_get_default_reg(struct device *dev, int idx,
+		       struct sx_common_reg_default *reg_def)
+{
+#define SX9324_PIN_DEF "semtech,ph0-pin"
+#define SX9324_RESOLUTION_DEF "semtech,ph01-resolution"
+#define SX9324_PROXRAW_DEF "semtech,ph01-proxraw-strength"
+	unsigned int pin_defs[SX9324_NUM_PINS];
+	char prop[] = SX9324_PROXRAW_DEF;
+	u32 start = 0, raw = 0, pos = 0;
+	int ret, count, ph, pin;
+
+	memcpy(reg_def, &sx9324_default_regs[idx], sizeof(*reg_def));
+	switch (reg_def->reg) {
+	case SX9324_REG_AFE_PH0:
+	case SX9324_REG_AFE_PH1:
+	case SX9324_REG_AFE_PH2:
+	case SX9324_REG_AFE_PH3:
+		ph = reg_def->reg - SX9324_REG_AFE_PH0;
+		scnprintf(prop, ARRAY_SIZE(prop), "semtech,ph%d-pin", ph);
+
+		count = device_property_count_u32(dev, prop);
+		if (count != ARRAY_SIZE(pin_defs))
+			break;
+		ret = device_property_read_u32_array(dev, prop, pin_defs,
+						     ARRAY_SIZE(pin_defs));
+		for (pin = 0; pin < SX9324_NUM_PINS; pin++)
+			raw |= (pin_defs[pin] << (2 * pin)) &
+			       SX9324_REG_AFE_PH0_PIN_MASK(pin);
+		reg_def->def = raw;
+		break;
+	case SX9324_REG_AFE_CTRL4:
+	case SX9324_REG_AFE_CTRL7:
+		if (reg_def->reg == SX9324_REG_AFE_CTRL4)
+			strncpy(prop, "semtech,ph01-resolution",
+				ARRAY_SIZE(prop));
+		else
+			strncpy(prop, "semtech,ph23-resolution",
+				ARRAY_SIZE(prop));
+
+		ret = device_property_read_u32(dev, prop, &raw);
+		if (ret)
+			break;
+
+		raw = ilog2(raw) - 3;
+
+		reg_def->def &= ~SX9324_REG_AFE_CTRL4_RESOLUTION_MASK;
+		reg_def->def |= FIELD_PREP(SX9324_REG_AFE_CTRL4_RESOLUTION_MASK,
+					   raw);
+		break;
+	case SX9324_REG_ADV_CTRL5:
+		ret = device_property_read_u32(dev, "semtech,startup-sensor",
+					       &start);
+		if (ret)
+			break;
+
+		reg_def->def &= ~SX9324_REG_ADV_CTRL5_STARTUPSENS_MASK;
+		reg_def->def |= FIELD_PREP(SX9324_REG_ADV_CTRL5_STARTUPSENS_MASK,
+					   start);
+		break;
+	case SX9324_REG_PROX_CTRL4:
+		ret = device_property_read_u32(dev, "semtech,avg-pos-strength",
+					       &pos);
+		if (ret)
+			break;
+
+		/* Powers of 2, except for a gap between 16 and 64 */
+		raw = clamp(ilog2(pos), 3, 11) - (pos >= 32 ? 4 : 3);
+
+		reg_def->def &= ~SX9324_REG_PROX_CTRL4_AVGPOSFILT_MASK;
+		reg_def->def |= FIELD_PREP(SX9324_REG_PROX_CTRL4_AVGPOSFILT_MASK,
+					   raw);
+		break;
+	case SX9324_REG_PROX_CTRL0:
+	case SX9324_REG_PROX_CTRL1:
+		if (reg_def->reg == SX9324_REG_PROX_CTRL0)
+			strncpy(prop, "semtech,ph01-proxraw-strength",
+				ARRAY_SIZE(prop));
+		else
+			strncpy(prop, "semtech,ph23-proxraw-strength",
+				ARRAY_SIZE(prop));
+		ret = device_property_read_u32(dev, prop, &raw);
+		if (ret)
+			break;
+
+		reg_def->def &= ~SX9324_REG_PROX_CTRL0_RAWFILT_MASK;
+		reg_def->def |= FIELD_PREP(SX9324_REG_PROX_CTRL0_RAWFILT_MASK,
+					   raw);
+		break;
+	}
+	return reg_def;
+}
+
+static int sx9324_check_whoami(struct device *dev,
+			       struct iio_dev *indio_dev)
+{
+	/*
+	 * Only one sensor for this driver. Assuming the device tree
+	 * is correct, just set the sensor name.
+	 */
+	indio_dev->name = "sx9324";
+	return 0;
+}
+
+static const struct sx_common_chip_info sx9324_chip_info = {
+	.reg_stat = SX9324_REG_STAT0,
+	.reg_irq_msk = SX9324_REG_IRQ_MSK,
+	.reg_enable_chan = SX9324_REG_GNRL_CTRL1,
+	.reg_reset = SX9324_REG_RESET,
+
+	.mask_enable_chan = SX9324_REG_GNRL_CTRL1_PHEN_MASK,
+	.irq_msk_offset = 3,
+	.num_channels = SX9324_NUM_CHANNELS,
+	.num_default_regs = ARRAY_SIZE(sx9324_default_regs),
+
+	.ops = {
+		.read_prox_data = sx9324_read_prox_data,
+		.check_whoami = sx9324_check_whoami,
+		.init_compensation = sx9324_init_compensation,
+		.wait_for_sample = sx9324_wait_for_sample,
+		.get_default_reg = sx9324_get_default_reg,
+	},
+
+	.iio_channels = sx9324_channels,
+	.num_iio_channels = ARRAY_SIZE(sx9324_channels),
+	.iio_info =  {
+		.read_raw = sx9324_read_raw,
+		.read_avail = sx9324_read_avail,
+		.read_event_value = sx9324_read_event_val,
+		.write_event_value = sx9324_write_event_val,
+		.write_raw = sx9324_write_raw,
+		.read_event_config = sx_common_read_event_config,
+		.write_event_config = sx_common_write_event_config,
+	},
+};
+
+static int sx9324_probe(struct i2c_client *client)
+{
+	return sx_common_probe(client, &sx9324_chip_info, &sx9324_regmap_config);
+}
+
+static int __maybe_unused sx9324_suspend(struct device *dev)
+{
+	struct sx_common_data *data = iio_priv(dev_get_drvdata(dev));
+	unsigned int regval;
+	int ret;
+
+	disable_irq_nosync(data->client->irq);
+
+	mutex_lock(&data->mutex);
+	ret = regmap_read(data->regmap, SX9324_REG_GNRL_CTRL1, &regval);
+
+	data->suspend_ctrl =
+		FIELD_GET(SX9324_REG_GNRL_CTRL1_PHEN_MASK, regval);
+
+	if (ret < 0)
+		goto out;
+
+	/* Disable all phases, send the device to sleep. */
+	ret = regmap_write(data->regmap, SX9324_REG_GNRL_CTRL1, 0);
+
+out:
+	mutex_unlock(&data->mutex);
+	return ret;
+}
+
+static int __maybe_unused sx9324_resume(struct device *dev)
+{
+	struct sx_common_data *data = iio_priv(dev_get_drvdata(dev));
+	int ret;
+
+	mutex_lock(&data->mutex);
+	ret = regmap_write(data->regmap, SX9324_REG_GNRL_CTRL1,
+			   data->suspend_ctrl | SX9324_REG_GNRL_CTRL1_PAUSECTRL);
+	mutex_unlock(&data->mutex);
+	if (ret)
+		return ret;
+
+	enable_irq(data->client->irq);
+	return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(sx9324_pm_ops, sx9324_suspend, sx9324_resume);
+
+static const struct acpi_device_id sx9324_acpi_match[] = {
+	{ "STH9324", SX9324_WHOAMI_VALUE },
+	{ }
+};
+MODULE_DEVICE_TABLE(acpi, sx9324_acpi_match);
+
+static const struct of_device_id sx9324_of_match[] = {
+	{ .compatible = "semtech,sx9324", (void *)SX9324_WHOAMI_VALUE },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, sx9324_of_match);
+
+static const struct i2c_device_id sx9324_id[] = {
+	{ "sx9324", SX9324_WHOAMI_VALUE },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, sx9324_id);
+
+static struct i2c_driver sx9324_driver = {
+	.driver = {
+		.name	= "sx9324",
+		.acpi_match_table = sx9324_acpi_match,
+		.of_match_table = sx9324_of_match,
+		.pm = &sx9324_pm_ops,
+
+		/*
+		 * Lots of i2c transfers in probe + over 200 ms waiting in
+		 * sx9324_init_compensation() mean a slow probe; prefer async
+		 * so we don't delay boot if we're builtin to the kernel.
+		 */
+		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
+	},
+	.probe_new	= sx9324_probe,
+	.id_table	= sx9324_id,
+};
+module_i2c_driver(sx9324_driver);
+
+MODULE_AUTHOR("Gwendal Grignou <gwendal@chromium.org>");
+MODULE_DESCRIPTION("Driver for Semtech SX9324 proximity sensor");
+MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(SEMTECH_PROX);
diff --git a/drivers/iio/proximity/sx9360.c b/drivers/iio/proximity/sx9360.c
new file mode 100644
index 000000000000..3ebb30c8a4f6
--- /dev/null
+++ b/drivers/iio/proximity/sx9360.c
@@ -0,0 +1,893 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2021 Google LLC.
+ *
+ * Driver for Semtech's SX9360 capacitive proximity/button solution.
+ * Based on SX9360 driver and copy of datasheet at:
+ * https://edit.wpgdadawant.com/uploads/news_file/program/2019/30184/tech_files/program_30184_suggest_other_file.pdf
+ */
+
+#include <linux/acpi.h>
+#include <linux/bits.h>
+#include <linux/bitfield.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/log2.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/pm.h>
+#include <linux/property.h>
+#include <linux/regmap.h>
+
+#include <linux/iio/iio.h>
+
+#include "sx_common.h"
+
+/* Nominal Oscillator Frequency. */
+#define SX9360_FOSC_MHZ			4
+#define SX9360_FOSC_HZ			(SX9360_FOSC_MHZ * 1000000)
+
+/* Register definitions. */
+#define SX9360_REG_IRQ_SRC		SX_COMMON_REG_IRQ_SRC
+#define SX9360_REG_STAT		0x01
+#define SX9360_REG_STAT_COMPSTAT_MASK	GENMASK(2, 1)
+#define SX9360_REG_IRQ_MSK		0x02
+#define SX9360_CONVDONE_IRQ		BIT(0)
+#define SX9360_FAR_IRQ			BIT(2)
+#define SX9360_CLOSE_IRQ		BIT(3)
+#define SX9360_REG_IRQ_CFG		0x03
+
+#define SX9360_REG_GNRL_CTRL0		0x10
+#define SX9360_REG_GNRL_CTRL0_PHEN_MASK GENMASK(1, 0)
+#define SX9360_REG_GNRL_CTRL1		0x11
+#define SX9360_REG_GNRL_CTRL1_SCANPERIOD_MASK GENMASK(2, 0)
+#define SX9360_REG_GNRL_CTRL2		0x12
+#define SX9360_REG_GNRL_CTRL2_PERIOD_102MS	0x32
+#define SX9360_REG_GNRL_REG_2_PERIOD_MS(_r)	\
+	(((_r) * 8192) / (SX9360_FOSC_HZ / 1000))
+#define SX9360_REG_GNRL_FREQ_2_REG(_f)  (((_f) * 8192) / SX9360_FOSC_HZ)
+#define SX9360_REG_GNRL_REG_2_FREQ(_r)  (SX9360_FOSC_HZ / ((_r) * 8192))
+
+#define SX9360_REG_AFE_CTRL1		0x21
+#define SX9360_REG_AFE_PARAM0_PHR	0x22
+#define SX9360_REG_AFE_PARAM1_PHR	0x23
+#define SX9360_REG_AFE_PARAM0_PHM	0x24
+#define SX9360_REG_AFE_PARAM0_RSVD		0x08
+#define SX9360_REG_AFE_PARAM0_RESOLUTION_MASK	GENMASK(2, 0)
+#define SX9360_REG_AFE_PARAM0_RESOLUTION_128	0x02
+#define SX9360_REG_AFE_PARAM1_PHM	0x25
+#define SX9360_REG_AFE_PARAM1_AGAIN_PHM_6PF	0x40
+#define SX9360_REG_AFE_PARAM1_FREQ_83_33HZ	0x06
+
+#define SX9360_REG_PROX_CTRL0_PHR	0x40
+#define SX9360_REG_PROX_CTRL0_PHM	0x41
+#define SX9360_REG_PROX_CTRL0_GAIN_MASK	GENMASK(5, 3)
+#define SX9360_REG_PROX_CTRL0_GAIN_1		0x80
+#define SX9360_REG_PROX_CTRL0_RAWFILT_MASK	GENMASK(2, 0)
+#define SX9360_REG_PROX_CTRL0_RAWFILT_1P50	0x01
+#define SX9360_REG_PROX_CTRL1		0x42
+#define SX9360_REG_PROX_CTRL1_AVGNEG_THRESH_MASK	GENMASK(5, 3)
+#define SX9360_REG_PROX_CTRL1_AVGNEG_THRESH_16K 0x20
+#define SX9360_REG_PROX_CTRL2		0x43
+#define SX9360_REG_PROX_CTRL2_AVGDEB_MASK	GENMASK(7, 6)
+#define SX9360_REG_PROX_CTRL2_AVGDEB_2SAMPLES	0x40
+#define SX9360_REG_PROX_CTRL2_AVGPOS_THRESH_16K	0x20
+#define SX9360_REG_PROX_CTRL3		0x44
+#define SX9360_REG_PROX_CTRL3_AVGNEG_FILT_MASK	GENMASK(5, 3)
+#define SX9360_REG_PROX_CTRL3_AVGNEG_FILT_2	0x08
+#define SX9360_REG_PROX_CTRL3_AVGPOS_FILT_MASK	GENMASK(2, 0)
+#define SX9360_REG_PROX_CTRL3_AVGPOS_FILT_256	0x04
+#define SX9360_REG_PROX_CTRL4		0x45
+#define SX9360_REG_PROX_CTRL4_HYST_MASK			GENMASK(5, 4)
+#define SX9360_REG_PROX_CTRL4_CLOSE_DEBOUNCE_MASK	GENMASK(3, 2)
+#define SX9360_REG_PROX_CTRL4_FAR_DEBOUNCE_MASK		GENMASK(1, 0)
+#define SX9360_REG_PROX_CTRL5		0x46
+#define SX9360_REG_PROX_CTRL5_PROXTHRESH_32	0x08
+
+#define SX9360_REG_REF_CORR0		0x60
+#define SX9360_REG_REF_CORR1		0x61
+
+#define SX9360_REG_USEFUL_PHR_MSB		0x90
+#define SX9360_REG_USEFUL_PHR_LSB		0x91
+
+#define SX9360_REG_OFFSET_PMR_MSB		0x92
+#define SX9360_REG_OFFSET_PMR_LSB		0x93
+
+#define SX9360_REG_USEFUL_PHM_MSB		0x94
+#define SX9360_REG_USEFUL_PHM_LSB		0x95
+
+#define SX9360_REG_AVG_PHM_MSB		0x96
+#define SX9360_REG_AVG_PHM_LSB		0x97
+
+#define SX9360_REG_DIFF_PHM_MSB		0x98
+#define SX9360_REG_DIFF_PHM_LSB		0x99
+
+#define SX9360_REG_OFFSET_PHM_MSB		0x9a
+#define SX9360_REG_OFFSET_PHM_LSB		0x9b
+
+#define SX9360_REG_USE_FILTER_MSB		0x9a
+#define SX9360_REG_USE_FILTER_LSB		0x9b
+
+#define SX9360_REG_RESET		0xcf
+/* Write this to REG_RESET to do a soft reset. */
+#define SX9360_SOFT_RESET		0xde
+
+#define SX9360_REG_WHOAMI		0xfa
+#define   SX9360_WHOAMI_VALUE				0x60
+
+#define SX9360_REG_REVISION		0xfe
+
+/* 2 channels, Phase Reference and Measurement. */
+#define SX9360_NUM_CHANNELS		2
+
+static const struct iio_chan_spec sx9360_channels[] = {
+	{
+		.type = IIO_PROXIMITY,
+		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+				      BIT(IIO_CHAN_INFO_HARDWAREGAIN),
+		.info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ),
+		.info_mask_separate_available =
+			BIT(IIO_CHAN_INFO_HARDWAREGAIN),
+		.info_mask_shared_by_all_available =
+			BIT(IIO_CHAN_INFO_SAMP_FREQ),
+		.indexed = 1,
+		.address = SX9360_REG_USEFUL_PHR_MSB,
+		.channel = 0,
+		.scan_index = 0,
+		.scan_type = {
+			.sign = 's',
+			.realbits = 12,
+			.storagebits = 16,
+			.endianness = IIO_BE,
+		},
+	},
+	{
+		.type = IIO_PROXIMITY,
+		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+				      BIT(IIO_CHAN_INFO_HARDWAREGAIN),
+		.info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ),
+		.info_mask_separate_available =
+			BIT(IIO_CHAN_INFO_HARDWAREGAIN),
+		.info_mask_shared_by_all_available =
+			BIT(IIO_CHAN_INFO_SAMP_FREQ),
+		.indexed = 1,
+		.address = SX9360_REG_USEFUL_PHM_MSB,
+		.event_spec = sx_common_events,
+		.num_event_specs = ARRAY_SIZE(sx_common_events),
+		.channel = 1,
+		.scan_index = 1,
+		.scan_type = {
+			.sign = 's',
+			.realbits = 12,
+			.storagebits = 16,
+			.endianness = IIO_BE,
+		},
+	},
+	IIO_CHAN_SOFT_TIMESTAMP(2),
+};
+
+/*
+ * Each entry contains the integer part (val) and the fractional part, in micro
+ * seconds. It conforms to the IIO output IIO_VAL_INT_PLUS_MICRO.
+ *
+ * The frequency control register holds the period, with a ~2ms increment.
+ * Therefore the smallest frequency is 4MHz / (2047 * 8192),
+ * The fastest is 4MHz / 8192.
+ * The interval is not linear, but given there is 2047 possible value,
+ * Returns the fake increment of (Max-Min)/2047
+ */
+static const struct {
+	int val;
+	int val2;
+} sx9360_samp_freq_interval[] = {
+	{ 0, 281250 },  /* 4MHz / (8192 * 2047) */
+	{ 0, 281250 },
+	{ 448, 281250 },  /* 4MHz / 8192 */
+};
+
+static const struct regmap_range sx9360_writable_reg_ranges[] = {
+	/*
+	 * To set COMPSTAT for compensation, even if datasheet says register is
+	 * RO.
+	 */
+	regmap_reg_range(SX9360_REG_STAT, SX9360_REG_IRQ_CFG),
+	regmap_reg_range(SX9360_REG_GNRL_CTRL0, SX9360_REG_GNRL_CTRL2),
+	regmap_reg_range(SX9360_REG_AFE_CTRL1, SX9360_REG_AFE_PARAM1_PHM),
+	regmap_reg_range(SX9360_REG_PROX_CTRL0_PHR, SX9360_REG_PROX_CTRL5),
+	regmap_reg_range(SX9360_REG_REF_CORR0, SX9360_REG_REF_CORR1),
+	regmap_reg_range(SX9360_REG_OFFSET_PMR_MSB, SX9360_REG_OFFSET_PMR_LSB),
+	regmap_reg_range(SX9360_REG_RESET, SX9360_REG_RESET),
+};
+
+static const struct regmap_access_table sx9360_writeable_regs = {
+	.yes_ranges = sx9360_writable_reg_ranges,
+	.n_yes_ranges = ARRAY_SIZE(sx9360_writable_reg_ranges),
+};
+
+/*
+ * All allocated registers are readable, so we just list unallocated
+ * ones.
+ */
+static const struct regmap_range sx9360_non_readable_reg_ranges[] = {
+	regmap_reg_range(SX9360_REG_IRQ_CFG + 1, SX9360_REG_GNRL_CTRL0 - 1),
+	regmap_reg_range(SX9360_REG_GNRL_CTRL2 + 1, SX9360_REG_AFE_CTRL1 - 1),
+	regmap_reg_range(SX9360_REG_AFE_PARAM1_PHM + 1,
+			 SX9360_REG_PROX_CTRL0_PHR - 1),
+	regmap_reg_range(SX9360_REG_PROX_CTRL5 + 1, SX9360_REG_REF_CORR0 - 1),
+	regmap_reg_range(SX9360_REG_REF_CORR1 + 1,
+			 SX9360_REG_USEFUL_PHR_MSB - 1),
+	regmap_reg_range(SX9360_REG_USE_FILTER_LSB + 1, SX9360_REG_RESET - 1),
+	regmap_reg_range(SX9360_REG_RESET + 1, SX9360_REG_WHOAMI - 1),
+	regmap_reg_range(SX9360_REG_WHOAMI + 1, SX9360_REG_REVISION - 1),
+};
+
+static const struct regmap_access_table sx9360_readable_regs = {
+	.no_ranges = sx9360_non_readable_reg_ranges,
+	.n_no_ranges = ARRAY_SIZE(sx9360_non_readable_reg_ranges),
+};
+
+static const struct regmap_range sx9360_volatile_reg_ranges[] = {
+	regmap_reg_range(SX9360_REG_IRQ_SRC, SX9360_REG_STAT),
+	regmap_reg_range(SX9360_REG_USEFUL_PHR_MSB, SX9360_REG_USE_FILTER_LSB),
+	regmap_reg_range(SX9360_REG_WHOAMI, SX9360_REG_WHOAMI),
+	regmap_reg_range(SX9360_REG_REVISION, SX9360_REG_REVISION),
+};
+
+static const struct regmap_access_table sx9360_volatile_regs = {
+	.yes_ranges = sx9360_volatile_reg_ranges,
+	.n_yes_ranges = ARRAY_SIZE(sx9360_volatile_reg_ranges),
+};
+
+static const struct regmap_config sx9360_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+
+	.max_register = SX9360_REG_REVISION,
+	.cache_type = REGCACHE_RBTREE,
+
+	.wr_table = &sx9360_writeable_regs,
+	.rd_table = &sx9360_readable_regs,
+	.volatile_table = &sx9360_volatile_regs,
+};
+
+static int sx9360_read_prox_data(struct sx_common_data *data,
+				 const struct iio_chan_spec *chan,
+				 __be16 *val)
+{
+	return regmap_bulk_read(data->regmap, chan->address, val, sizeof(*val));
+}
+
+/*
+ * If we have no interrupt support, we have to wait for a scan period
+ * after enabling a channel to get a result.
+ */
+static int sx9360_wait_for_sample(struct sx_common_data *data)
+{
+	int ret;
+	__be16 buf;
+
+	ret = regmap_bulk_read(data->regmap, SX9360_REG_GNRL_CTRL1,
+			       &buf, sizeof(buf));
+	if (ret < 0)
+		return ret;
+	msleep(SX9360_REG_GNRL_REG_2_PERIOD_MS(be16_to_cpu(buf)));
+
+	return 0;
+}
+
+static int sx9360_read_gain(struct sx_common_data *data,
+			    const struct iio_chan_spec *chan, int *val)
+{
+	unsigned int reg, regval;
+	int ret;
+
+	reg = SX9360_REG_PROX_CTRL0_PHR + chan->channel;
+	ret = regmap_read(data->regmap, reg, &regval);
+	if (ret)
+		return ret;
+
+	*val = 1 << FIELD_GET(SX9360_REG_PROX_CTRL0_GAIN_MASK, regval);
+
+	return IIO_VAL_INT;
+}
+
+static int sx9360_read_samp_freq(struct sx_common_data *data,
+				 int *val, int *val2)
+{
+	int ret, divisor;
+	__be16 buf;
+
+	ret = regmap_bulk_read(data->regmap, SX9360_REG_GNRL_CTRL1,
+			       &buf, sizeof(buf));
+	if (ret < 0)
+		return ret;
+	divisor = be16_to_cpu(buf);
+	if (divisor == 0) {
+		*val = 0;
+		return IIO_VAL_INT;
+	}
+
+	*val = SX9360_FOSC_HZ;
+	*val2 = divisor * 8192;
+
+	return IIO_VAL_FRACTIONAL;
+}
+
+static int sx9360_read_raw(struct iio_dev *indio_dev,
+			   const struct iio_chan_spec *chan,
+			   int *val, int *val2, long mask)
+{
+	struct sx_common_data *data = iio_priv(indio_dev);
+	int ret;
+
+	switch (mask) {
+	case IIO_CHAN_INFO_RAW:
+		ret = iio_device_claim_direct_mode(indio_dev);
+		if (ret)
+			return ret;
+
+		ret = sx_common_read_proximity(data, chan, val);
+		iio_device_release_direct_mode(indio_dev);
+		return ret;
+	case IIO_CHAN_INFO_HARDWAREGAIN:
+		ret = iio_device_claim_direct_mode(indio_dev);
+		if (ret)
+			return ret;
+
+		ret = sx9360_read_gain(data, chan, val);
+		iio_device_release_direct_mode(indio_dev);
+		return ret;
+	case IIO_CHAN_INFO_SAMP_FREQ:
+		return sx9360_read_samp_freq(data, val, val2);
+	default:
+		return -EINVAL;
+	}
+}
+
+static const char *sx9360_channel_labels[SX9360_NUM_CHANNELS] = {
+	"reference", "main",
+};
+
+static int sx9360_read_label(struct iio_dev *iio_dev, const struct iio_chan_spec *chan,
+			     char *label)
+{
+	return sysfs_emit(label, "%s\n", sx9360_channel_labels[chan->channel]);
+}
+
+static const int sx9360_gain_vals[] = { 1, 2, 4, 8 };
+
+static int sx9360_read_avail(struct iio_dev *indio_dev,
+			     struct iio_chan_spec const *chan,
+			     const int **vals, int *type, int *length,
+			     long mask)
+{
+	if (chan->type != IIO_PROXIMITY)
+		return -EINVAL;
+
+	switch (mask) {
+	case IIO_CHAN_INFO_HARDWAREGAIN:
+		*type = IIO_VAL_INT;
+		*length = ARRAY_SIZE(sx9360_gain_vals);
+		*vals = sx9360_gain_vals;
+		return IIO_AVAIL_LIST;
+	case IIO_CHAN_INFO_SAMP_FREQ:
+		*type = IIO_VAL_INT_PLUS_MICRO;
+		*length = ARRAY_SIZE(sx9360_samp_freq_interval) * 2;
+		*vals = (int *)sx9360_samp_freq_interval;
+		return IIO_AVAIL_RANGE;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int sx9360_set_samp_freq(struct sx_common_data *data,
+				int val, int val2)
+{
+	int ret, reg;
+	__be16 buf;
+
+	reg = val * 8192 / SX9360_FOSC_HZ + val2 * 8192 / (SX9360_FOSC_MHZ);
+	buf = cpu_to_be16(reg);
+	mutex_lock(&data->mutex);
+
+	ret = regmap_bulk_write(data->regmap, SX9360_REG_GNRL_CTRL1, &buf,
+				sizeof(buf));
+
+	mutex_unlock(&data->mutex);
+
+	return ret;
+}
+
+static int sx9360_read_thresh(struct sx_common_data *data, int *val)
+{
+	unsigned int regval;
+	int ret;
+
+	ret = regmap_read(data->regmap, SX9360_REG_PROX_CTRL5, &regval);
+	if (ret)
+		return ret;
+
+	if (regval <= 1)
+		*val = regval;
+	else
+		*val = (regval * regval) / 2;
+
+	return IIO_VAL_INT;
+}
+
+static int sx9360_read_hysteresis(struct sx_common_data *data, int *val)
+{
+	unsigned int regval, pthresh;
+	int ret;
+
+	ret = sx9360_read_thresh(data, &pthresh);
+	if (ret < 0)
+		return ret;
+
+	ret = regmap_read(data->regmap, SX9360_REG_PROX_CTRL4, &regval);
+	if (ret)
+		return ret;
+
+	regval = FIELD_GET(SX9360_REG_PROX_CTRL4_HYST_MASK, regval);
+	if (!regval)
+		*val = 0;
+	else
+		*val = pthresh >> (5 - regval);
+
+	return IIO_VAL_INT;
+}
+
+static int sx9360_read_far_debounce(struct sx_common_data *data, int *val)
+{
+	unsigned int regval;
+	int ret;
+
+	ret = regmap_read(data->regmap, SX9360_REG_PROX_CTRL4, &regval);
+	if (ret)
+		return ret;
+
+	regval = FIELD_GET(SX9360_REG_PROX_CTRL4_FAR_DEBOUNCE_MASK, regval);
+	if (regval)
+		*val = 1 << regval;
+	else
+		*val = 0;
+
+	return IIO_VAL_INT;
+}
+
+static int sx9360_read_close_debounce(struct sx_common_data *data, int *val)
+{
+	unsigned int regval;
+	int ret;
+
+	ret = regmap_read(data->regmap, SX9360_REG_PROX_CTRL4, &regval);
+	if (ret)
+		return ret;
+
+	regval = FIELD_GET(SX9360_REG_PROX_CTRL4_CLOSE_DEBOUNCE_MASK, regval);
+	if (regval)
+		*val = 1 << regval;
+	else
+		*val = 0;
+
+	return IIO_VAL_INT;
+}
+
+static int sx9360_read_event_val(struct iio_dev *indio_dev,
+				 const struct iio_chan_spec *chan,
+				 enum iio_event_type type,
+				 enum iio_event_direction dir,
+				 enum iio_event_info info, int *val, int *val2)
+{
+	struct sx_common_data *data = iio_priv(indio_dev);
+
+	if (chan->type != IIO_PROXIMITY)
+		return -EINVAL;
+
+	switch (info) {
+	case IIO_EV_INFO_VALUE:
+		return sx9360_read_thresh(data, val);
+	case IIO_EV_INFO_PERIOD:
+		switch (dir) {
+		case IIO_EV_DIR_RISING:
+			return sx9360_read_far_debounce(data, val);
+		case IIO_EV_DIR_FALLING:
+			return sx9360_read_close_debounce(data, val);
+		default:
+			return -EINVAL;
+		}
+	case IIO_EV_INFO_HYSTERESIS:
+		return sx9360_read_hysteresis(data, val);
+	default:
+		return -EINVAL;
+	}
+}
+
+static int sx9360_write_thresh(struct sx_common_data *data, int _val)
+{
+	unsigned int val = _val;
+	int ret;
+
+	if (val >= 1)
+		val = int_sqrt(2 * val);
+
+	if (val > 0xff)
+		return -EINVAL;
+
+	mutex_lock(&data->mutex);
+	ret = regmap_write(data->regmap, SX9360_REG_PROX_CTRL5, val);
+	mutex_unlock(&data->mutex);
+
+	return ret;
+}
+
+static int sx9360_write_hysteresis(struct sx_common_data *data, int _val)
+{
+	unsigned int hyst, val = _val;
+	int ret, pthresh;
+
+	ret = sx9360_read_thresh(data, &pthresh);
+	if (ret < 0)
+		return ret;
+
+	if (val == 0)
+		hyst = 0;
+	else if (val >= pthresh >> 2)
+		hyst = 3;
+	else if (val >= pthresh >> 3)
+		hyst = 2;
+	else if (val >= pthresh >> 4)
+		hyst = 1;
+	else
+		return -EINVAL;
+
+	hyst = FIELD_PREP(SX9360_REG_PROX_CTRL4_HYST_MASK, hyst);
+	mutex_lock(&data->mutex);
+	ret = regmap_update_bits(data->regmap, SX9360_REG_PROX_CTRL4,
+				 SX9360_REG_PROX_CTRL4_HYST_MASK, hyst);
+	mutex_unlock(&data->mutex);
+
+	return ret;
+}
+
+static int sx9360_write_far_debounce(struct sx_common_data *data, int _val)
+{
+	unsigned int regval, val = _val;
+	int ret;
+
+	if (val > 0)
+		val = ilog2(val);
+	if (!FIELD_FIT(SX9360_REG_PROX_CTRL4_FAR_DEBOUNCE_MASK, val))
+		return -EINVAL;
+
+	regval = FIELD_PREP(SX9360_REG_PROX_CTRL4_FAR_DEBOUNCE_MASK, val);
+
+	mutex_lock(&data->mutex);
+	ret = regmap_update_bits(data->regmap, SX9360_REG_PROX_CTRL4,
+				 SX9360_REG_PROX_CTRL4_FAR_DEBOUNCE_MASK,
+				 regval);
+	mutex_unlock(&data->mutex);
+
+	return ret;
+}
+
+static int sx9360_write_close_debounce(struct sx_common_data *data, int _val)
+{
+	unsigned int regval, val = _val;
+	int ret;
+
+	if (val > 0)
+		val = ilog2(val);
+	if (!FIELD_FIT(SX9360_REG_PROX_CTRL4_CLOSE_DEBOUNCE_MASK, val))
+		return -EINVAL;
+
+	regval = FIELD_PREP(SX9360_REG_PROX_CTRL4_CLOSE_DEBOUNCE_MASK, val);
+
+	mutex_lock(&data->mutex);
+	ret = regmap_update_bits(data->regmap, SX9360_REG_PROX_CTRL4,
+				 SX9360_REG_PROX_CTRL4_CLOSE_DEBOUNCE_MASK,
+				 regval);
+	mutex_unlock(&data->mutex);
+
+	return ret;
+}
+
+static int sx9360_write_event_val(struct iio_dev *indio_dev,
+				  const struct iio_chan_spec *chan,
+				  enum iio_event_type type,
+				  enum iio_event_direction dir,
+				  enum iio_event_info info, int val, int val2)
+{
+	struct sx_common_data *data = iio_priv(indio_dev);
+
+	if (chan->type != IIO_PROXIMITY)
+		return -EINVAL;
+
+	switch (info) {
+	case IIO_EV_INFO_VALUE:
+		return sx9360_write_thresh(data, val);
+	case IIO_EV_INFO_PERIOD:
+		switch (dir) {
+		case IIO_EV_DIR_RISING:
+			return sx9360_write_far_debounce(data, val);
+		case IIO_EV_DIR_FALLING:
+			return sx9360_write_close_debounce(data, val);
+		default:
+			return -EINVAL;
+		}
+	case IIO_EV_INFO_HYSTERESIS:
+		return sx9360_write_hysteresis(data, val);
+	default:
+		return -EINVAL;
+	}
+}
+
+static int sx9360_write_gain(struct sx_common_data *data,
+			     const struct iio_chan_spec *chan, int val)
+{
+	unsigned int gain, reg;
+	int ret;
+
+	gain = ilog2(val);
+	reg = SX9360_REG_PROX_CTRL0_PHR + chan->channel;
+	gain = FIELD_PREP(SX9360_REG_PROX_CTRL0_GAIN_MASK, gain);
+
+	mutex_lock(&data->mutex);
+	ret = regmap_update_bits(data->regmap, reg,
+				 SX9360_REG_PROX_CTRL0_GAIN_MASK,
+				 gain);
+	mutex_unlock(&data->mutex);
+
+	return ret;
+}
+
+static int sx9360_write_raw(struct iio_dev *indio_dev,
+			    const struct iio_chan_spec *chan, int val, int val2,
+			    long mask)
+{
+	struct sx_common_data *data = iio_priv(indio_dev);
+
+	switch (mask) {
+	case IIO_CHAN_INFO_SAMP_FREQ:
+		return sx9360_set_samp_freq(data, val, val2);
+	case IIO_CHAN_INFO_HARDWAREGAIN:
+		return sx9360_write_gain(data, chan, val);
+	default:
+		return -EINVAL;
+	}
+}
+
+static const struct sx_common_reg_default sx9360_default_regs[] = {
+	{ SX9360_REG_IRQ_MSK, 0x00 },
+	{ SX9360_REG_IRQ_CFG, 0x00 },
+	/*
+	 * The lower 2 bits should not be set as it enable sensors measurements.
+	 * Turning the detection on before the configuration values are set to
+	 * good values can cause the device to return erroneous readings.
+	 */
+	{ SX9360_REG_GNRL_CTRL0, 0x00 },
+	{ SX9360_REG_GNRL_CTRL1, 0x00 },
+	{ SX9360_REG_GNRL_CTRL2, SX9360_REG_GNRL_CTRL2_PERIOD_102MS },
+
+	{ SX9360_REG_AFE_CTRL1, 0x00 },
+	{ SX9360_REG_AFE_PARAM0_PHR, SX9360_REG_AFE_PARAM0_RSVD |
+		SX9360_REG_AFE_PARAM0_RESOLUTION_128 },
+	{ SX9360_REG_AFE_PARAM1_PHR, SX9360_REG_AFE_PARAM1_AGAIN_PHM_6PF |
+		SX9360_REG_AFE_PARAM1_FREQ_83_33HZ },
+	{ SX9360_REG_AFE_PARAM0_PHM, SX9360_REG_AFE_PARAM0_RSVD |
+		SX9360_REG_AFE_PARAM0_RESOLUTION_128 },
+	{ SX9360_REG_AFE_PARAM1_PHM, SX9360_REG_AFE_PARAM1_AGAIN_PHM_6PF |
+		SX9360_REG_AFE_PARAM1_FREQ_83_33HZ },
+
+	{ SX9360_REG_PROX_CTRL0_PHR, SX9360_REG_PROX_CTRL0_GAIN_1 |
+		SX9360_REG_PROX_CTRL0_RAWFILT_1P50 },
+	{ SX9360_REG_PROX_CTRL0_PHM, SX9360_REG_PROX_CTRL0_GAIN_1 |
+		SX9360_REG_PROX_CTRL0_RAWFILT_1P50 },
+	{ SX9360_REG_PROX_CTRL1, SX9360_REG_PROX_CTRL1_AVGNEG_THRESH_16K },
+	{ SX9360_REG_PROX_CTRL2, SX9360_REG_PROX_CTRL2_AVGDEB_2SAMPLES |
+		SX9360_REG_PROX_CTRL2_AVGPOS_THRESH_16K },
+	{ SX9360_REG_PROX_CTRL3, SX9360_REG_PROX_CTRL3_AVGNEG_FILT_2 |
+		SX9360_REG_PROX_CTRL3_AVGPOS_FILT_256 },
+	{ SX9360_REG_PROX_CTRL4, 0x00 },
+	{ SX9360_REG_PROX_CTRL5, SX9360_REG_PROX_CTRL5_PROXTHRESH_32 },
+};
+
+/* Activate all channels and perform an initial compensation. */
+static int sx9360_init_compensation(struct iio_dev *indio_dev)
+{
+	struct sx_common_data *data = iio_priv(indio_dev);
+	unsigned int val;
+	int ret;
+
+	/* run the compensation phase on all channels */
+	ret = regmap_update_bits(data->regmap, SX9360_REG_STAT,
+				 SX9360_REG_STAT_COMPSTAT_MASK,
+				 SX9360_REG_STAT_COMPSTAT_MASK);
+	if (ret)
+		return ret;
+
+	return regmap_read_poll_timeout(data->regmap, SX9360_REG_STAT, val,
+				       !(val & SX9360_REG_STAT_COMPSTAT_MASK),
+				       20000, 2000000);
+}
+
+static const struct sx_common_reg_default *
+sx9360_get_default_reg(struct device *dev, int idx,
+		       struct sx_common_reg_default *reg_def)
+{
+	u32 raw = 0, pos = 0;
+	int ret;
+
+	memcpy(reg_def, &sx9360_default_regs[idx], sizeof(*reg_def));
+	switch (reg_def->reg) {
+	case SX9360_REG_AFE_PARAM0_PHR:
+	case SX9360_REG_AFE_PARAM0_PHM:
+		ret = device_property_read_u32(dev, "semtech,resolution", &raw);
+		if (ret)
+			break;
+
+		raw = ilog2(raw) - 3;
+
+		reg_def->def &= ~SX9360_REG_AFE_PARAM0_RESOLUTION_MASK;
+		reg_def->def |= FIELD_PREP(SX9360_REG_AFE_PARAM0_RESOLUTION_MASK, raw);
+		break;
+	case SX9360_REG_PROX_CTRL0_PHR:
+	case SX9360_REG_PROX_CTRL0_PHM:
+		ret = device_property_read_u32(dev, "semtech,proxraw-strength", &raw);
+		if (ret)
+			break;
+
+		reg_def->def &= ~SX9360_REG_PROX_CTRL0_RAWFILT_MASK;
+		reg_def->def |= FIELD_PREP(SX9360_REG_PROX_CTRL0_RAWFILT_MASK, raw);
+		break;
+	case SX9360_REG_PROX_CTRL3:
+		ret = device_property_read_u32(dev, "semtech,avg-pos-strength",
+					       &pos);
+		if (ret)
+			break;
+
+		/* Powers of 2, except for a gap between 16 and 64 */
+		raw = clamp(ilog2(pos), 3, 11) - (pos >= 32 ? 4 : 3);
+		reg_def->def &= ~SX9360_REG_PROX_CTRL3_AVGPOS_FILT_MASK;
+		reg_def->def |= FIELD_PREP(SX9360_REG_PROX_CTRL3_AVGPOS_FILT_MASK, raw);
+		break;
+	}
+
+	return reg_def;
+}
+
+static int sx9360_check_whoami(struct device *dev, struct iio_dev *indio_dev)
+{
+	/*
+	 * Only one sensor for this driver. Assuming the device tree
+	 * is correct, just set the sensor name.
+	 */
+	indio_dev->name = "sx9360";
+	return 0;
+}
+
+static const struct sx_common_chip_info sx9360_chip_info = {
+	.reg_stat = SX9360_REG_STAT,
+	.reg_irq_msk = SX9360_REG_IRQ_MSK,
+	.reg_enable_chan = SX9360_REG_GNRL_CTRL0,
+	.reg_reset = SX9360_REG_RESET,
+
+	.mask_enable_chan = SX9360_REG_GNRL_CTRL0_PHEN_MASK,
+	.stat_offset = 2,
+	.num_channels = SX9360_NUM_CHANNELS,
+	.num_default_regs = ARRAY_SIZE(sx9360_default_regs),
+
+	.ops = {
+		.read_prox_data = sx9360_read_prox_data,
+		.check_whoami = sx9360_check_whoami,
+		.init_compensation = sx9360_init_compensation,
+		.wait_for_sample = sx9360_wait_for_sample,
+		.get_default_reg = sx9360_get_default_reg,
+	},
+
+	.iio_channels = sx9360_channels,
+	.num_iio_channels = ARRAY_SIZE(sx9360_channels),
+	.iio_info =  {
+		.read_raw = sx9360_read_raw,
+		.read_avail = sx9360_read_avail,
+		.read_label = sx9360_read_label,
+		.read_event_value = sx9360_read_event_val,
+		.write_event_value = sx9360_write_event_val,
+		.write_raw = sx9360_write_raw,
+		.read_event_config = sx_common_read_event_config,
+		.write_event_config = sx_common_write_event_config,
+	},
+};
+
+static int sx9360_probe(struct i2c_client *client)
+{
+	return sx_common_probe(client, &sx9360_chip_info, &sx9360_regmap_config);
+}
+
+static int __maybe_unused sx9360_suspend(struct device *dev)
+{
+	struct sx_common_data *data = iio_priv(dev_get_drvdata(dev));
+	unsigned int regval;
+	int ret;
+
+	disable_irq_nosync(data->client->irq);
+
+	mutex_lock(&data->mutex);
+	ret = regmap_read(data->regmap, SX9360_REG_GNRL_CTRL0, &regval);
+
+	data->suspend_ctrl =
+		FIELD_GET(SX9360_REG_GNRL_CTRL0_PHEN_MASK, regval);
+
+	if (ret < 0)
+		goto out;
+
+	/* Disable all phases, send the device to sleep. */
+	ret = regmap_write(data->regmap, SX9360_REG_GNRL_CTRL0, 0);
+
+out:
+	mutex_unlock(&data->mutex);
+	return ret;
+}
+
+static int __maybe_unused sx9360_resume(struct device *dev)
+{
+	struct sx_common_data *data = iio_priv(dev_get_drvdata(dev));
+	int ret;
+
+	mutex_lock(&data->mutex);
+	ret = regmap_update_bits(data->regmap, SX9360_REG_GNRL_CTRL0,
+				 SX9360_REG_GNRL_CTRL0_PHEN_MASK,
+				 data->suspend_ctrl);
+	mutex_unlock(&data->mutex);
+	if (ret)
+		return ret;
+
+	enable_irq(data->client->irq);
+	return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(sx9360_pm_ops, sx9360_suspend, sx9360_resume);
+
+static const struct acpi_device_id sx9360_acpi_match[] = {
+	{ "STH9360", SX9360_WHOAMI_VALUE },
+	{ }
+};
+MODULE_DEVICE_TABLE(acpi, sx9360_acpi_match);
+
+static const struct of_device_id sx9360_of_match[] = {
+	{ .compatible = "semtech,sx9360", (void *)SX9360_WHOAMI_VALUE },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, sx9360_of_match);
+
+static const struct i2c_device_id sx9360_id[] = {
+	{"sx9360", SX9360_WHOAMI_VALUE },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, sx9360_id);
+
+static struct i2c_driver sx9360_driver = {
+	.driver = {
+		.name	= "sx9360",
+		.acpi_match_table = sx9360_acpi_match,
+		.of_match_table = sx9360_of_match,
+		.pm = &sx9360_pm_ops,
+
+		/*
+		 * Lots of i2c transfers in probe + over 200 ms waiting in
+		 * sx9360_init_compensation() mean a slow probe; prefer async
+		 * so we don't delay boot if we're builtin to the kernel.
+		 */
+		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
+	},
+	.probe_new	= sx9360_probe,
+	.id_table	= sx9360_id,
+};
+module_i2c_driver(sx9360_driver);
+
+MODULE_AUTHOR("Gwendal Grignou <gwendal@chromium.org>");
+MODULE_DESCRIPTION("Driver for Semtech SX9360 proximity sensor");
+MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(SEMTECH_PROX);
diff --git a/drivers/iio/proximity/sx9500.c b/drivers/iio/proximity/sx9500.c
index 3e4ddb2e8c2b..42589d6200ad 100644
--- a/drivers/iio/proximity/sx9500.c
+++ b/drivers/iio/proximity/sx9500.c
@@ -993,7 +993,6 @@ static int sx9500_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int sx9500_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
@@ -1030,11 +1029,8 @@ static int sx9500_resume(struct device *dev)
 
 	return ret;
 }
-#endif /* CONFIG_PM_SLEEP */
 
-static const struct dev_pm_ops sx9500_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(sx9500_suspend, sx9500_resume)
-};
+static DEFINE_SIMPLE_DEV_PM_OPS(sx9500_pm_ops, sx9500_suspend, sx9500_resume);
 
 static const struct acpi_device_id sx9500_acpi_match[] = {
 	{"SSX9500", 0},
@@ -1060,7 +1056,7 @@ static struct i2c_driver sx9500_driver = {
 		.name	= SX9500_DRIVER_NAME,
 		.acpi_match_table = ACPI_PTR(sx9500_acpi_match),
 		.of_match_table = of_match_ptr(sx9500_of_match),
-		.pm = &sx9500_pm_ops,
+		.pm = pm_sleep_ptr(&sx9500_pm_ops),
 	},
 	.probe		= sx9500_probe,
 	.remove		= sx9500_remove,
diff --git a/drivers/iio/proximity/sx_common.c b/drivers/iio/proximity/sx_common.c
new file mode 100644
index 000000000000..a7c07316a0a9
--- /dev/null
+++ b/drivers/iio/proximity/sx_common.c
@@ -0,0 +1,572 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2021 Google LLC.
+ *
+ * Common part of most Semtech SAR sensor.
+ */
+
+#include <linux/acpi.h>
+#include <linux/bitops.h>
+#include <linux/byteorder/generic.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/export.h>
+#include <linux/interrupt.h>
+#include <linux/irqreturn.h>
+#include <linux/i2c.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <vdso/bits.h>
+
+#include <linux/iio/buffer.h>
+#include <linux/iio/events.h>
+#include <linux/iio/iio.h>
+#include <linux/iio/trigger.h>
+#include <linux/iio/triggered_buffer.h>
+#include <linux/iio/trigger_consumer.h>
+
+#include "sx_common.h"
+
+/* All Semtech SAR sensors have IRQ bit in the same order. */
+#define   SX_COMMON_CONVDONE_IRQ			BIT(0)
+#define   SX_COMMON_FAR_IRQ				BIT(2)
+#define   SX_COMMON_CLOSE_IRQ				BIT(3)
+
+const struct iio_event_spec sx_common_events[3] = {
+	{
+		.type = IIO_EV_TYPE_THRESH,
+		.dir = IIO_EV_DIR_RISING,
+		.mask_shared_by_all = BIT(IIO_EV_INFO_PERIOD),
+	},
+	{
+		.type = IIO_EV_TYPE_THRESH,
+		.dir = IIO_EV_DIR_FALLING,
+		.mask_shared_by_all = BIT(IIO_EV_INFO_PERIOD),
+	},
+	{
+		.type = IIO_EV_TYPE_THRESH,
+		.dir = IIO_EV_DIR_EITHER,
+		.mask_separate = BIT(IIO_EV_INFO_ENABLE) |
+				 BIT(IIO_EV_INFO_HYSTERESIS) |
+				 BIT(IIO_EV_INFO_VALUE),
+	},
+};
+EXPORT_SYMBOL_NS_GPL(sx_common_events, SEMTECH_PROX);
+
+static irqreturn_t sx_common_irq_handler(int irq, void *private)
+{
+	struct iio_dev *indio_dev = private;
+	struct sx_common_data *data = iio_priv(indio_dev);
+
+	if (data->trigger_enabled)
+		iio_trigger_poll(data->trig);
+
+	/*
+	 * Even if no event is enabled, we need to wake the thread to clear the
+	 * interrupt state by reading SX_COMMON_REG_IRQ_SRC.
+	 * It is not possible to do that here because regmap_read takes a mutex.
+	 */
+	return IRQ_WAKE_THREAD;
+}
+
+static void sx_common_push_events(struct iio_dev *indio_dev)
+{
+	int ret;
+	unsigned int val, chan;
+	struct sx_common_data *data = iio_priv(indio_dev);
+	s64 timestamp = iio_get_time_ns(indio_dev);
+	unsigned long prox_changed;
+
+	/* Read proximity state on all channels */
+	ret = regmap_read(data->regmap, data->chip_info->reg_stat, &val);
+	if (ret) {
+		dev_err(&data->client->dev, "i2c transfer error in irq\n");
+		return;
+	}
+
+	val >>= data->chip_info->stat_offset;
+
+	/*
+	 * Only iterate over channels with changes on proximity status that have
+	 * events enabled.
+	 */
+	prox_changed = (data->chan_prox_stat ^ val) & data->chan_event;
+
+	for_each_set_bit(chan, &prox_changed, data->chip_info->num_channels) {
+		int dir;
+		u64 ev;
+
+		dir = (val & BIT(chan)) ? IIO_EV_DIR_FALLING : IIO_EV_DIR_RISING;
+		ev = IIO_UNMOD_EVENT_CODE(IIO_PROXIMITY, chan,
+					  IIO_EV_TYPE_THRESH, dir);
+
+		iio_push_event(indio_dev, ev, timestamp);
+	}
+	data->chan_prox_stat = val;
+}
+
+static int sx_common_enable_irq(struct sx_common_data *data, unsigned int irq)
+{
+	if (!data->client->irq)
+		return 0;
+	return regmap_update_bits(data->regmap, data->chip_info->reg_irq_msk,
+				  irq << data->chip_info->irq_msk_offset,
+				  irq << data->chip_info->irq_msk_offset);
+}
+
+static int sx_common_disable_irq(struct sx_common_data *data, unsigned int irq)
+{
+	if (!data->client->irq)
+		return 0;
+	return regmap_update_bits(data->regmap, data->chip_info->reg_irq_msk,
+				  irq << data->chip_info->irq_msk_offset, 0);
+}
+
+static int sx_common_update_chan_en(struct sx_common_data *data,
+				    unsigned long chan_read,
+				    unsigned long chan_event)
+{
+	int ret;
+	unsigned long channels = chan_read | chan_event;
+
+	if ((data->chan_read | data->chan_event) != channels) {
+		ret = regmap_update_bits(data->regmap,
+					 data->chip_info->reg_enable_chan,
+					 data->chip_info->mask_enable_chan,
+					 channels);
+		if (ret)
+			return ret;
+	}
+	data->chan_read = chan_read;
+	data->chan_event = chan_event;
+	return 0;
+}
+
+static int sx_common_get_read_channel(struct sx_common_data *data, int channel)
+{
+	return sx_common_update_chan_en(data, data->chan_read | BIT(channel),
+				     data->chan_event);
+}
+
+static int sx_common_put_read_channel(struct sx_common_data *data, int channel)
+{
+	return sx_common_update_chan_en(data, data->chan_read & ~BIT(channel),
+				     data->chan_event);
+}
+
+static int sx_common_get_event_channel(struct sx_common_data *data, int channel)
+{
+	return sx_common_update_chan_en(data, data->chan_read,
+				     data->chan_event | BIT(channel));
+}
+
+static int sx_common_put_event_channel(struct sx_common_data *data, int channel)
+{
+	return sx_common_update_chan_en(data, data->chan_read,
+				     data->chan_event & ~BIT(channel));
+}
+
+/**
+ * sx_common_read_proximity() - Read raw proximity value.
+ * @data:	Internal data
+ * @chan:	Channel to read
+ * @val:	pointer to return read value.
+ *
+ * Request a conversion, wait for the sensor to be ready and
+ * return the raw proximity value.
+ */
+int sx_common_read_proximity(struct sx_common_data *data,
+			     const struct iio_chan_spec *chan, int *val)
+{
+	int ret;
+	__be16 rawval;
+
+	mutex_lock(&data->mutex);
+
+	ret = sx_common_get_read_channel(data, chan->channel);
+	if (ret)
+		goto out;
+
+	ret = sx_common_enable_irq(data, SX_COMMON_CONVDONE_IRQ);
+	if (ret)
+		goto out_put_channel;
+
+	mutex_unlock(&data->mutex);
+
+	if (data->client->irq) {
+		ret = wait_for_completion_interruptible(&data->completion);
+		reinit_completion(&data->completion);
+	} else {
+		ret = data->chip_info->ops.wait_for_sample(data);
+	}
+
+	mutex_lock(&data->mutex);
+
+	if (ret)
+		goto out_disable_irq;
+
+	ret = data->chip_info->ops.read_prox_data(data, chan, &rawval);
+	if (ret)
+		goto out_disable_irq;
+
+	*val = sign_extend32(be16_to_cpu(rawval), chan->scan_type.realbits - 1);
+
+	ret = sx_common_disable_irq(data, SX_COMMON_CONVDONE_IRQ);
+	if (ret)
+		goto out_put_channel;
+
+	ret = sx_common_put_read_channel(data, chan->channel);
+	if (ret)
+		goto out;
+
+	mutex_unlock(&data->mutex);
+
+	return IIO_VAL_INT;
+
+out_disable_irq:
+	sx_common_disable_irq(data, SX_COMMON_CONVDONE_IRQ);
+out_put_channel:
+	sx_common_put_read_channel(data, chan->channel);
+out:
+	mutex_unlock(&data->mutex);
+
+	return ret;
+}
+EXPORT_SYMBOL_NS_GPL(sx_common_read_proximity, SEMTECH_PROX);
+
+/**
+ * sx_common_read_event_config() - Configure event setting.
+ * @indio_dev:	iio device object
+ * @chan:	Channel to read
+ * @type:	Type of event (unused)
+ * @dir:	Direction of event (unused)
+ *
+ * return if the given channel is used for event gathering.
+ */
+int sx_common_read_event_config(struct iio_dev *indio_dev,
+				const struct iio_chan_spec *chan,
+				enum iio_event_type type,
+				enum iio_event_direction dir)
+{
+	struct sx_common_data *data = iio_priv(indio_dev);
+
+	return !!(data->chan_event & BIT(chan->channel));
+}
+EXPORT_SYMBOL_NS_GPL(sx_common_read_event_config, SEMTECH_PROX);
+
+/**
+ * sx_common_write_event_config() - Configure event setting.
+ * @indio_dev:	iio device object
+ * @chan:	Channel to enable
+ * @type:	Type of event (unused)
+ * @dir:	Direction of event (unused)
+ * @state:	State of the event.
+ *
+ * Enable/Disable event on a given channel.
+ */
+int sx_common_write_event_config(struct iio_dev *indio_dev,
+				 const struct iio_chan_spec *chan,
+				 enum iio_event_type type,
+				 enum iio_event_direction dir, int state)
+{
+	struct sx_common_data *data = iio_priv(indio_dev);
+	unsigned int eventirq = SX_COMMON_FAR_IRQ | SX_COMMON_CLOSE_IRQ;
+	int ret;
+
+	/* If the state hasn't changed, there's nothing to do. */
+	if (!!(data->chan_event & BIT(chan->channel)) == state)
+		return 0;
+
+	mutex_lock(&data->mutex);
+	if (state) {
+		ret = sx_common_get_event_channel(data, chan->channel);
+		if (ret)
+			goto out_unlock;
+		if (!(data->chan_event & ~BIT(chan->channel))) {
+			ret = sx_common_enable_irq(data, eventirq);
+			if (ret)
+				sx_common_put_event_channel(data, chan->channel);
+		}
+	} else {
+		ret = sx_common_put_event_channel(data, chan->channel);
+		if (ret)
+			goto out_unlock;
+		if (!data->chan_event) {
+			ret = sx_common_disable_irq(data, eventirq);
+			if (ret)
+				sx_common_get_event_channel(data, chan->channel);
+		}
+	}
+
+out_unlock:
+	mutex_unlock(&data->mutex);
+	return ret;
+}
+EXPORT_SYMBOL_NS_GPL(sx_common_write_event_config, SEMTECH_PROX);
+
+static int sx_common_set_trigger_state(struct iio_trigger *trig, bool state)
+{
+	struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);
+	struct sx_common_data *data = iio_priv(indio_dev);
+	int ret = 0;
+
+	mutex_lock(&data->mutex);
+
+	if (state)
+		ret = sx_common_enable_irq(data, SX_COMMON_CONVDONE_IRQ);
+	else if (!data->chan_read)
+		ret = sx_common_disable_irq(data, SX_COMMON_CONVDONE_IRQ);
+	if (ret)
+		goto out;
+
+	data->trigger_enabled = state;
+
+out:
+	mutex_unlock(&data->mutex);
+
+	return ret;
+}
+
+static const struct iio_trigger_ops sx_common_trigger_ops = {
+	.set_trigger_state = sx_common_set_trigger_state,
+};
+
+static irqreturn_t sx_common_irq_thread_handler(int irq, void *private)
+{
+	struct iio_dev *indio_dev = private;
+	struct sx_common_data *data = iio_priv(indio_dev);
+	int ret;
+	unsigned int val;
+
+	mutex_lock(&data->mutex);
+
+	ret = regmap_read(data->regmap, SX_COMMON_REG_IRQ_SRC, &val);
+	if (ret) {
+		dev_err(&data->client->dev, "i2c transfer error in irq\n");
+		goto out;
+	}
+
+	if (val & ((SX_COMMON_FAR_IRQ | SX_COMMON_CLOSE_IRQ) << data->chip_info->irq_msk_offset))
+		sx_common_push_events(indio_dev);
+
+	if (val & (SX_COMMON_CONVDONE_IRQ << data->chip_info->irq_msk_offset))
+		complete(&data->completion);
+
+out:
+	mutex_unlock(&data->mutex);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t sx_common_trigger_handler(int irq, void *private)
+{
+	struct iio_poll_func *pf = private;
+	struct iio_dev *indio_dev = pf->indio_dev;
+	struct sx_common_data *data = iio_priv(indio_dev);
+	__be16 val;
+	int bit, ret, i = 0;
+
+	mutex_lock(&data->mutex);
+
+	for_each_set_bit(bit, indio_dev->active_scan_mask,
+			 indio_dev->masklength) {
+		ret = data->chip_info->ops.read_prox_data(data,
+						     &indio_dev->channels[bit],
+						     &val);
+		if (ret)
+			goto out;
+
+		data->buffer.channels[i++] = val;
+	}
+
+	iio_push_to_buffers_with_timestamp(indio_dev, &data->buffer,
+					   pf->timestamp);
+
+out:
+	mutex_unlock(&data->mutex);
+
+	iio_trigger_notify_done(indio_dev->trig);
+
+	return IRQ_HANDLED;
+}
+
+static int sx_common_buffer_preenable(struct iio_dev *indio_dev)
+{
+	struct sx_common_data *data = iio_priv(indio_dev);
+	unsigned long channels = 0;
+	int bit, ret;
+
+	mutex_lock(&data->mutex);
+	for_each_set_bit(bit, indio_dev->active_scan_mask,
+			 indio_dev->masklength)
+		__set_bit(indio_dev->channels[bit].channel, &channels);
+
+	ret = sx_common_update_chan_en(data, channels, data->chan_event);
+	mutex_unlock(&data->mutex);
+	return ret;
+}
+
+static int sx_common_buffer_postdisable(struct iio_dev *indio_dev)
+{
+	struct sx_common_data *data = iio_priv(indio_dev);
+	int ret;
+
+	mutex_lock(&data->mutex);
+	ret = sx_common_update_chan_en(data, 0, data->chan_event);
+	mutex_unlock(&data->mutex);
+	return ret;
+}
+
+static const struct iio_buffer_setup_ops sx_common_buffer_setup_ops = {
+	.preenable = sx_common_buffer_preenable,
+	.postdisable = sx_common_buffer_postdisable,
+};
+
+static void sx_common_regulator_disable(void *_data)
+{
+	struct sx_common_data *data = _data;
+
+	regulator_bulk_disable(ARRAY_SIZE(data->supplies), data->supplies);
+}
+
+#define SX_COMMON_SOFT_RESET				0xde
+
+static int sx_common_init_device(struct iio_dev *indio_dev)
+{
+	struct sx_common_data *data = iio_priv(indio_dev);
+	struct sx_common_reg_default tmp;
+	const struct sx_common_reg_default *initval;
+	int ret;
+	unsigned int i, val;
+
+	ret = regmap_write(data->regmap, data->chip_info->reg_reset,
+			   SX_COMMON_SOFT_RESET);
+	if (ret)
+		return ret;
+
+	usleep_range(1000, 2000); /* power-up time is ~1ms. */
+
+	/* Clear reset interrupt state by reading SX_COMMON_REG_IRQ_SRC. */
+	ret = regmap_read(data->regmap, SX_COMMON_REG_IRQ_SRC, &val);
+	if (ret)
+		return ret;
+
+	/* Program defaults from constant or BIOS. */
+	for (i = 0; i < data->chip_info->num_default_regs; i++) {
+		initval = data->chip_info->ops.get_default_reg(&indio_dev->dev,
+							       i, &tmp);
+		ret = regmap_write(data->regmap, initval->reg, initval->def);
+		if (ret)
+			return ret;
+	}
+
+	return data->chip_info->ops.init_compensation(indio_dev);
+}
+
+/**
+ * sx_common_probe() - Common setup for Semtech SAR sensor
+ * @client:		I2C client object
+ * @chip_info:		Semtech sensor chip information.
+ * @regmap_config:	Sensor registers map configuration.
+ */
+int sx_common_probe(struct i2c_client *client,
+		    const struct sx_common_chip_info *chip_info,
+		    const struct regmap_config *regmap_config)
+{
+	struct device *dev = &client->dev;
+	struct iio_dev *indio_dev;
+	struct sx_common_data *data;
+	int ret;
+
+	indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
+	if (!indio_dev)
+		return -ENOMEM;
+
+	data = iio_priv(indio_dev);
+
+	data->chip_info = chip_info;
+	data->client = client;
+	data->supplies[0].supply = "vdd";
+	data->supplies[1].supply = "svdd";
+	mutex_init(&data->mutex);
+	init_completion(&data->completion);
+
+	data->regmap = devm_regmap_init_i2c(client, regmap_config);
+	if (IS_ERR(data->regmap))
+		return dev_err_probe(dev, PTR_ERR(data->regmap),
+				     "Could init register map\n");
+
+	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(data->supplies),
+				      data->supplies);
+	if (ret)
+		return dev_err_probe(dev, ret, "Unable to get regulators\n");
+
+	ret = regulator_bulk_enable(ARRAY_SIZE(data->supplies), data->supplies);
+	if (ret)
+		return dev_err_probe(dev, ret, "Unable to enable regulators\n");
+
+	/* Must wait for Tpor time after initial power up */
+	usleep_range(1000, 1100);
+
+	ret = devm_add_action_or_reset(dev, sx_common_regulator_disable, data);
+	if (ret)
+		return dev_err_probe(dev, ret,
+				     "Unable to register regulators deleter\n");
+
+	ret = data->chip_info->ops.check_whoami(dev, indio_dev);
+	if (ret)
+		return dev_err_probe(dev, ret, "error reading WHOAMI\n");
+
+	ACPI_COMPANION_SET(&indio_dev->dev, ACPI_COMPANION(dev));
+	indio_dev->modes = INDIO_DIRECT_MODE;
+
+	indio_dev->channels =  data->chip_info->iio_channels;
+	indio_dev->num_channels = data->chip_info->num_iio_channels;
+	indio_dev->info = &data->chip_info->iio_info;
+
+	i2c_set_clientdata(client, indio_dev);
+
+	ret = sx_common_init_device(indio_dev);
+	if (ret)
+		return dev_err_probe(dev, ret, "Unable to initialize sensor\n");
+
+	if (client->irq) {
+		ret = devm_request_threaded_irq(dev, client->irq,
+						sx_common_irq_handler,
+						sx_common_irq_thread_handler,
+						IRQF_ONESHOT,
+						"sx_event", indio_dev);
+		if (ret)
+			return dev_err_probe(dev, ret, "No IRQ\n");
+
+		data->trig = devm_iio_trigger_alloc(dev, "%s-dev%d",
+						    indio_dev->name,
+						    iio_device_id(indio_dev));
+		if (!data->trig)
+			return -ENOMEM;
+
+		data->trig->ops = &sx_common_trigger_ops;
+		iio_trigger_set_drvdata(data->trig, indio_dev);
+
+		ret = devm_iio_trigger_register(dev, data->trig);
+		if (ret)
+			return ret;
+	}
+
+	ret = devm_iio_triggered_buffer_setup(dev, indio_dev,
+					      iio_pollfunc_store_time,
+					      sx_common_trigger_handler,
+					      &sx_common_buffer_setup_ops);
+	if (ret)
+		return ret;
+
+	return devm_iio_device_register(dev, indio_dev);
+}
+EXPORT_SYMBOL_NS_GPL(sx_common_probe, SEMTECH_PROX);
+
+MODULE_AUTHOR("Gwendal Grignou <gwendal@chromium.org>");
+MODULE_DESCRIPTION("Common functions and structures for Semtech sensor");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/proximity/sx_common.h b/drivers/iio/proximity/sx_common.h
new file mode 100644
index 000000000000..5d3edeb75f4e
--- /dev/null
+++ b/drivers/iio/proximity/sx_common.h
@@ -0,0 +1,157 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2021 Google LLC.
+ *
+ * Code shared between most Semtech SAR sensor driver.
+ */
+
+#ifndef IIO_SX_COMMON_H
+#define IIO_SX_COMMON_H
+
+#include <linux/iio/iio.h>
+#include <linux/iio/types.h>
+#include <linux/regulator/consumer.h>
+#include <linux/types.h>
+
+struct device;
+struct i2c_client;
+struct regmap_config;
+struct sx_common_data;
+
+#define SX_COMMON_REG_IRQ_SRC				0x00
+
+#define SX_COMMON_MAX_NUM_CHANNELS	4
+static_assert(SX_COMMON_MAX_NUM_CHANNELS < BITS_PER_LONG);
+
+struct sx_common_reg_default {
+	u8 reg;
+	u8 def;
+};
+
+/**
+ * struct sx_common_ops: function pointers needed by common code
+ *
+ * List functions needed by common code to gather information or configure
+ * the sensor.
+ *
+ * @read_prox_data:	Function to read raw proximity data.
+ * @check_whoami:	Set device name based on whoami register.
+ * @init_compensation:	Function to set initial compensation.
+ * @wait_for_sample:	When there are no physical IRQ, function to wait for a
+ *			sample to be ready.
+ * @get_default_reg:	Populate the initial value for a given register.
+ */
+struct sx_common_ops {
+	int (*read_prox_data)(struct sx_common_data *data,
+			      const struct iio_chan_spec *chan, __be16 *val);
+	int (*check_whoami)(struct device *dev, struct iio_dev *indio_dev);
+	int (*init_compensation)(struct iio_dev *indio_dev);
+	int (*wait_for_sample)(struct sx_common_data *data);
+	const struct sx_common_reg_default  *
+		(*get_default_reg)(struct device *dev, int idx,
+				   struct sx_common_reg_default *reg_def);
+};
+
+/**
+ * struct sx_common_chip_info: Semtech Sensor private chip information
+ *
+ * @reg_stat:		Main status register address.
+ * @reg_irq_msk:	IRQ mask register address.
+ * @reg_enable_chan:	Address to enable/disable channels.
+ *			Each phase presented by the sensor is an IIO channel..
+ * @reg_reset:		Reset register address.
+ * @mask_enable_chan:	Mask over the channels bits in the enable channel
+ *			register.
+ * @stat_offset:	Offset to check phase status.
+ * @irq_msk_offset:	Offset to enable interrupt in the IRQ mask
+ *			register.
+ * @num_channels:	Number of channels.
+ * @num_default_regs:	Number of internal registers that can be configured.
+ *
+ * @ops:		Private functions pointers.
+ * @iio_channels:	Description of exposed iio channels.
+ * @num_iio_channels:	Number of iio_channels.
+ * @iio_info:		iio_info structure for this driver.
+ */
+struct sx_common_chip_info {
+	unsigned int reg_stat;
+	unsigned int reg_irq_msk;
+	unsigned int reg_enable_chan;
+	unsigned int reg_reset;
+
+	unsigned int mask_enable_chan;
+	unsigned int stat_offset;
+	unsigned int irq_msk_offset;
+	unsigned int num_channels;
+	int num_default_regs;
+
+	struct sx_common_ops ops;
+
+	const struct iio_chan_spec *iio_channels;
+	int num_iio_channels;
+	struct iio_info iio_info;
+};
+
+/**
+ * struct sx_common_data: Semtech Sensor private data structure.
+ *
+ * @chip_info:		Structure defining sensor internals.
+ * @mutex:		Serialize access to registers and channel configuration.
+ * @completion:		completion object to wait for data acquisition.
+ * @client:		I2C client structure.
+ * @trig:		IIO trigger object.
+ * @regmap:		Register map.
+ * @num_default_regs:	Number of default registers to set at init.
+ * @supplies:		Power supplies object.
+ * @chan_prox_stat:	Last reading of the proximity status for each channel.
+ *			We only send an event to user space when this changes.
+ * @trigger_enabled:	True when the device trigger is enabled.
+ * @buffer:		Buffer to store raw samples.
+ * @suspend_ctrl:	Remember enabled channels and sample rate during suspend.
+ * @chan_read:		Bit field for each raw channel enabled.
+ * @chan_event:		Bit field for each event enabled.
+ */
+struct sx_common_data {
+	const struct sx_common_chip_info *chip_info;
+
+	struct mutex mutex;
+	struct completion completion;
+	struct i2c_client *client;
+	struct iio_trigger *trig;
+	struct regmap *regmap;
+
+	struct regulator_bulk_data supplies[2];
+	unsigned long chan_prox_stat;
+	bool trigger_enabled;
+
+	/* Ensure correct alignment of timestamp when present. */
+	struct {
+		__be16 channels[SX_COMMON_MAX_NUM_CHANNELS];
+		s64 ts __aligned(8);
+	} buffer;
+
+	unsigned int suspend_ctrl;
+	unsigned long chan_read;
+	unsigned long chan_event;
+};
+
+int sx_common_read_proximity(struct sx_common_data *data,
+			     const struct iio_chan_spec *chan, int *val);
+
+int sx_common_read_event_config(struct iio_dev *indio_dev,
+				const struct iio_chan_spec *chan,
+				enum iio_event_type type,
+				enum iio_event_direction dir);
+int sx_common_write_event_config(struct iio_dev *indio_dev,
+				 const struct iio_chan_spec *chan,
+				 enum iio_event_type type,
+				 enum iio_event_direction dir, int state);
+
+int sx_common_probe(struct i2c_client *client,
+		    const struct sx_common_chip_info *chip_info,
+		    const struct regmap_config *regmap_config);
+
+/* 3 is the number of events defined by a single phase. */
+extern const struct iio_event_spec sx_common_events[3];
+
+#endif  /* IIO_SX_COMMON_H */
diff --git a/drivers/iio/proximity/vl53l0x-i2c.c b/drivers/iio/proximity/vl53l0x-i2c.c
index cf38144b6f95..661a79ea200d 100644
--- a/drivers/iio/proximity/vl53l0x-i2c.c
+++ b/drivers/iio/proximity/vl53l0x-i2c.c
@@ -226,7 +226,7 @@ static int vl53l0x_probe(struct i2c_client *client)
 }
 
 static const struct i2c_device_id vl53l0x_id[] = {
-	{ "vl53l0x", 0},
+	{ "vl53l0x", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, vl53l0x_id);
diff --git a/drivers/iio/temperature/max31856.c b/drivers/iio/temperature/max31856.c
index 1954322e43be..54840881259a 100644
--- a/drivers/iio/temperature/max31856.c
+++ b/drivers/iio/temperature/max31856.c
@@ -320,7 +320,7 @@ static ssize_t show_fault(struct device *dev, u8 faultbit, char *buf)
 
 	fault = reg_val & faultbit;
 
-	return sprintf(buf, "%d\n", fault);
+	return sysfs_emit(buf, "%d\n", fault);
 }
 
 static ssize_t show_fault_ovuv(struct device *dev,
@@ -344,7 +344,7 @@ static ssize_t show_filter(struct device *dev,
 	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
 	struct max31856_data *data = iio_priv(indio_dev);
 
-	return sprintf(buf, "%d\n", data->filter_50hz ? 50 : 60);
+	return sysfs_emit(buf, "%d\n", data->filter_50hz ? 50 : 60);
 }
 
 static ssize_t set_filter(struct device *dev,
diff --git a/drivers/iio/temperature/max31865.c b/drivers/iio/temperature/max31865.c
index 4c8d6e6cf677..86c3f3509a26 100644
--- a/drivers/iio/temperature/max31865.c
+++ b/drivers/iio/temperature/max31865.c
@@ -208,7 +208,7 @@ static ssize_t show_fault(struct device *dev, u8 faultbit, char *buf)
 
 	fault = data->buf[0] & faultbit;
 
-	return sprintf(buf, "%d\n", fault);
+	return sysfs_emit(buf, "%d\n", fault);
 }
 
 static ssize_t show_fault_ovuv(struct device *dev,
@@ -225,7 +225,7 @@ static ssize_t show_filter(struct device *dev,
 	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
 	struct max31865_data *data = iio_priv(indio_dev);
 
-	return sprintf(buf, "%d\n", data->filter_50hz ? 50 : 60);
+	return sysfs_emit(buf, "%d\n", data->filter_50hz ? 50 : 60);
 }
 
 static ssize_t set_filter(struct device *dev,
diff --git a/drivers/iio/temperature/maxim_thermocouple.c b/drivers/iio/temperature/maxim_thermocouple.c
index 0297e215b61a..98c41cddc6f0 100644
--- a/drivers/iio/temperature/maxim_thermocouple.c
+++ b/drivers/iio/temperature/maxim_thermocouple.c
@@ -6,12 +6,11 @@
  * Author: <matt.ranostay@konsulko.com>
  */
 
-#include <linux/module.h>
 #include <linux/init.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/err.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
 #include <linux/spi/spi.h>
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
diff --git a/drivers/iio/temperature/mlx90614.c b/drivers/iio/temperature/mlx90614.c
index afcb10ea7c44..c253a5315988 100644
--- a/drivers/iio/temperature/mlx90614.c
+++ b/drivers/iio/temperature/mlx90614.c
@@ -600,7 +600,6 @@ static const struct of_device_id mlx90614_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, mlx90614_of_match);
 
-#ifdef CONFIG_PM_SLEEP
 static int mlx90614_pm_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
@@ -630,9 +629,7 @@ static int mlx90614_pm_resume(struct device *dev)
 
 	return 0;
 }
-#endif
 
-#ifdef CONFIG_PM
 static int mlx90614_pm_runtime_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
@@ -648,19 +645,18 @@ static int mlx90614_pm_runtime_resume(struct device *dev)
 
 	return mlx90614_wakeup(data);
 }
-#endif
 
 static const struct dev_pm_ops mlx90614_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(mlx90614_pm_suspend, mlx90614_pm_resume)
-	SET_RUNTIME_PM_OPS(mlx90614_pm_runtime_suspend,
-			   mlx90614_pm_runtime_resume, NULL)
+	SYSTEM_SLEEP_PM_OPS(mlx90614_pm_suspend, mlx90614_pm_resume)
+	RUNTIME_PM_OPS(mlx90614_pm_runtime_suspend,
+		       mlx90614_pm_runtime_resume, NULL)
 };
 
 static struct i2c_driver mlx90614_driver = {
 	.driver = {
 		.name	= "mlx90614",
 		.of_match_table = mlx90614_of_match,
-		.pm	= &mlx90614_pm_ops,
+		.pm	= pm_ptr(&mlx90614_pm_ops),
 	},
 	.probe = mlx90614_probe,
 	.remove = mlx90614_remove,
diff --git a/drivers/iio/temperature/mlx90632.c b/drivers/iio/temperature/mlx90632.c
index 608ccb1d8bc8..7ee7ff8047a4 100644
--- a/drivers/iio/temperature/mlx90632.c
+++ b/drivers/iio/temperature/mlx90632.c
@@ -13,9 +13,9 @@
 #include <linux/iopoll.h>
 #include <linux/kernel.h>
 #include <linux/limits.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/math64.h>
-#include <linux/of.h>
 #include <linux/pm_runtime.h>
 #include <linux/regmap.h>
 
diff --git a/drivers/iio/temperature/tmp006.c b/drivers/iio/temperature/tmp006.c
index e4943a0bc9aa..706a760f30b4 100644
--- a/drivers/iio/temperature/tmp006.c
+++ b/drivers/iio/temperature/tmp006.c
@@ -261,7 +261,6 @@ static int tmp006_probe(struct i2c_client *client,
 	return devm_iio_device_register(&client->dev, indio_dev);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int tmp006_suspend(struct device *dev)
 {
 	return tmp006_power(dev, false);
@@ -271,9 +270,8 @@ static int tmp006_resume(struct device *dev)
 {
 	return tmp006_power(dev, true);
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(tmp006_pm_ops, tmp006_suspend, tmp006_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(tmp006_pm_ops, tmp006_suspend, tmp006_resume);
 
 static const struct i2c_device_id tmp006_id[] = {
 	{ "tmp006", 0 },
@@ -284,7 +282,7 @@ MODULE_DEVICE_TABLE(i2c, tmp006_id);
 static struct i2c_driver tmp006_driver = {
 	.driver = {
 		.name	= "tmp006",
-		.pm	= &tmp006_pm_ops,
+		.pm	= pm_sleep_ptr(&tmp006_pm_ops),
 	},
 	.probe = tmp006_probe,
 	.id_table = tmp006_id,
diff --git a/drivers/iio/temperature/tmp007.c b/drivers/iio/temperature/tmp007.c
index b422371a4674..f3420d8a0e35 100644
--- a/drivers/iio/temperature/tmp007.c
+++ b/drivers/iio/temperature/tmp007.c
@@ -537,7 +537,6 @@ static int tmp007_probe(struct i2c_client *client,
 	return devm_iio_device_register(&client->dev, indio_dev);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int tmp007_suspend(struct device *dev)
 {
 	struct tmp007_data *data = iio_priv(i2c_get_clientdata(
@@ -554,9 +553,8 @@ static int tmp007_resume(struct device *dev)
 	return i2c_smbus_write_word_swapped(data->client, TMP007_CONFIG,
 			data->config | TMP007_CONFIG_CONV_EN);
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(tmp007_pm_ops, tmp007_suspend, tmp007_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(tmp007_pm_ops, tmp007_suspend, tmp007_resume);
 
 static const struct of_device_id tmp007_of_match[] = {
 	{ .compatible = "ti,tmp007", },
@@ -574,7 +572,7 @@ static struct i2c_driver tmp007_driver = {
 	.driver = {
 		.name	= "tmp007",
 		.of_match_table = tmp007_of_match,
-		.pm	= &tmp007_pm_ops,
+		.pm	= pm_sleep_ptr(&tmp007_pm_ops),
 	},
 	.probe		= tmp007_probe,
 	.id_table	= tmp007_id,
diff --git a/drivers/iio/temperature/tsys01.c b/drivers/iio/temperature/tsys01.c
index bbfbad9a8767..60d58ec5b063 100644
--- a/drivers/iio/temperature/tsys01.c
+++ b/drivers/iio/temperature/tsys01.c
@@ -233,3 +233,4 @@ MODULE_DESCRIPTION("Measurement-Specialties tsys01 temperature driver");
 MODULE_AUTHOR("William Markezana <william.markezana@meas-spec.com>");
 MODULE_AUTHOR("Ludovic Tancerel <ludovic.tancerel@maplehightech.com>");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_MEAS_SPEC_SENSORS);
diff --git a/drivers/iio/temperature/tsys02d.c b/drivers/iio/temperature/tsys02d.c
index fc96e5f9d3fc..49c275e4f510 100644
--- a/drivers/iio/temperature/tsys02d.c
+++ b/drivers/iio/temperature/tsys02d.c
@@ -187,3 +187,4 @@ MODULE_DESCRIPTION("Measurement-Specialties tsys02d temperature driver");
 MODULE_AUTHOR("William Markezana <william.markezana@meas-spec.com>");
 MODULE_AUTHOR("Ludovic Tancerel <ludovic.tancerel@maplehightech.com>");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_MEAS_SPEC_SENSORS);
diff --git a/drivers/iio/test/Kconfig b/drivers/iio/test/Kconfig
index 679a7794af20..56ca0ad7e77a 100644
--- a/drivers/iio/test/Kconfig
+++ b/drivers/iio/test/Kconfig
@@ -4,6 +4,16 @@
 #
 
 # Keep in alphabetical order
+config IIO_RESCALE_KUNIT_TEST
+	bool "Test IIO rescale conversion functions"
+	depends on KUNIT=y && !IIO_RESCALE
+	default KUNIT_ALL_TESTS
+	help
+	  If you want to run tests on the iio-rescale code say Y here.
+
+	  This takes advantage of ARCH=um to run tests and should be used by
+	  developers to tests their changes to the rescaling logic.
+
 config IIO_TEST_FORMAT
         bool "Test IIO formatting functions"
         depends on KUNIT=y
diff --git a/drivers/iio/test/Makefile b/drivers/iio/test/Makefile
index 467519a2027e..f15ae0a6394f 100644
--- a/drivers/iio/test/Makefile
+++ b/drivers/iio/test/Makefile
@@ -4,5 +4,6 @@
 #
 
 # Keep in alphabetical order
+obj-$(CONFIG_IIO_RESCALE_KUNIT_TEST) += iio-test-rescale.o ../afe/iio-rescale.o
 obj-$(CONFIG_IIO_TEST_FORMAT) += iio-test-format.o
 CFLAGS_iio-test-format.o += $(DISABLE_STRUCTLEAK_PLUGIN)
diff --git a/drivers/iio/test/iio-test-rescale.c b/drivers/iio/test/iio-test-rescale.c
new file mode 100644
index 000000000000..0b6699bfd553
--- /dev/null
+++ b/drivers/iio/test/iio-test-rescale.c
@@ -0,0 +1,710 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Kunit tests for IIO rescale conversions
+ *
+ * Copyright (c) 2021 Liam Beguin <liambeguin@gmail.com>
+ */
+
+#include <linux/gcd.h>
+#include <linux/overflow.h>
+
+#include <linux/iio/afe/rescale.h>
+#include <linux/iio/iio.h>
+
+#include <kunit/test.h>
+
+struct rescale_tc_data {
+	const char *name;
+
+	const s32 numerator;
+	const s32 denominator;
+	const s32 offset;
+
+	const int schan_val;
+	const int schan_val2;
+	const int schan_off;
+	const int schan_scale_type;
+
+	const char *expected;
+	const char *expected_off;
+};
+
+const struct rescale_tc_data scale_cases[] = {
+	/*
+	 * Typical use cases
+	 */
+	{
+		.name = "typical IIO_VAL_INT, positive",
+		.numerator = 1000000,
+		.denominator = 8060,
+		.schan_scale_type = IIO_VAL_INT,
+		.schan_val = 42,
+		.expected = "5210.918114143",
+	},
+	{
+		.name = "typical IIO_VAL_INT, negative",
+		.numerator = -1000000,
+		.denominator = 8060,
+		.schan_scale_type = IIO_VAL_INT,
+		.schan_val = 42,
+		.expected = "-5210.918114143",
+	},
+	{
+		.name = "typical IIO_VAL_FRACTIONAL, positive",
+		.numerator = 1000000,
+		.denominator = 8060,
+		.schan_scale_type = IIO_VAL_FRACTIONAL,
+		.schan_val = 42,
+		.schan_val2 = 20,
+		.expected = "260.545905707",
+	},
+	{
+		.name = "typical IIO_VAL_FRACTIONAL, negative",
+		.numerator = -1000000,
+		.denominator = 8060,
+		.schan_scale_type = IIO_VAL_FRACTIONAL,
+		.schan_val = 42,
+		.schan_val2 = 20,
+		.expected = "-260.545905707",
+	},
+	{
+		.name = "typical IIO_VAL_FRACTIONAL_LOG2, positive",
+		.numerator = 42,
+		.denominator = 53,
+		.schan_scale_type = IIO_VAL_FRACTIONAL_LOG2,
+		.schan_val = 4096,
+		.schan_val2 = 16,
+		.expected = "0.049528301",
+	},
+	{
+		.name = "typical IIO_VAL_FRACTIONAL_LOG2, negative",
+		.numerator = -42,
+		.denominator = 53,
+		.schan_scale_type = IIO_VAL_FRACTIONAL_LOG2,
+		.schan_val = 4096,
+		.schan_val2 = 16,
+		.expected = "-0.049528301",
+	},
+	{
+		.name = "typical IIO_VAL_INT_PLUS_NANO, positive",
+		.numerator = 1000000,
+		.denominator = 8060,
+		.schan_scale_type = IIO_VAL_INT_PLUS_NANO,
+		.schan_val = 10,
+		.schan_val2 = 123456,
+		.expected = "1240.710106203",
+	},
+	{
+		.name = "typical IIO_VAL_INT_PLUS_NANO, negative",
+		.numerator = -1000000,
+		.denominator = 8060,
+		.schan_scale_type = IIO_VAL_INT_PLUS_NANO,
+		.schan_val = 10,
+		.schan_val2 = 123456,
+		.expected = "-1240.710106203",
+	},
+	{
+		.name = "typical IIO_VAL_INT_PLUS_MICRO, positive",
+		.numerator = 1000000,
+		.denominator = 8060,
+		.schan_scale_type = IIO_VAL_INT_PLUS_MICRO,
+		.schan_val = 10,
+		.schan_val2 = 1234,
+		.expected = "1240.84789",
+	},
+	{
+		.name = "typical IIO_VAL_INT_PLUS_MICRO, negative",
+		.numerator = -1000000,
+		.denominator = 8060,
+		.schan_scale_type = IIO_VAL_INT_PLUS_MICRO,
+		.schan_val = 10,
+		.schan_val2 = 1234,
+		.expected = "-1240.84789",
+	},
+	/*
+	 * Use cases with small scales involving divisions
+	 */
+	{
+		.name = "small IIO_VAL_FRACTIONAL, 261/509 scaled by 90/1373754273",
+		.numerator = 261,
+		.denominator = 509,
+		.schan_scale_type = IIO_VAL_FRACTIONAL,
+		.schan_val = 90,
+		.schan_val2 = 1373754273,
+		.expected = "0.000000033594",
+	},
+	{
+		.name = "small IIO_VAL_FRACTIONAL, 90/1373754273 scaled by 261/509",
+		.numerator = 90,
+		.denominator = 1373754273,
+		.schan_scale_type = IIO_VAL_FRACTIONAL,
+		.schan_val = 261,
+		.schan_val2 = 509,
+		.expected = "0.000000033594",
+	},
+	{
+		.name = "small IIO_VAL_FRACTIONAL, 760/1373754273 scaled by 427/2727",
+		.numerator = 760,
+		.denominator = 1373754273,
+		.schan_scale_type = IIO_VAL_FRACTIONAL,
+		.schan_val = 427,
+		.schan_val2 = 2727,
+		.expected = "0.000000086626",
+	},
+	{
+		.name = "small IIO_VAL_FRACTIONAL, 761/1373754273 scaled by 427/2727",
+		.numerator = 761,
+		.denominator = 1373754273,
+		.schan_scale_type = IIO_VAL_FRACTIONAL,
+		.schan_val = 427,
+		.schan_val2 = 2727,
+		.expected = "0.000000086740",
+	},
+	{
+		.name = "small IIO_VAL_FRACTIONAL, 5/32768 scaled by 3/10000",
+		.numerator = 5,
+		.denominator = 32768,
+		.schan_scale_type = IIO_VAL_FRACTIONAL,
+		.schan_val = 3,
+		.schan_val2 = 10000,
+		.expected = "0.0000000457763671875",
+	},
+	{
+		.name = "small IIO_VAL_FRACTIONAL, 0 < scale < 1",
+		.numerator = 6,
+		.denominator = 6,
+		.schan_scale_type = IIO_VAL_FRACTIONAL,
+		.schan_val = 1,
+		.schan_val2 = 3,
+		.expected = "0.3333333333333333",
+	},
+	{
+		.name = "small IIO_VAL_FRACTIONAL, -1 < scale < 0",
+		.numerator = -6,
+		.denominator = 6,
+		.schan_scale_type = IIO_VAL_FRACTIONAL,
+		.schan_val = 1,
+		.schan_val2 = 3,
+		.expected = "-0.3333333333333333",
+	},
+	{
+		.name = "small IIO_VAL_FRACTIONAL, 0 < scale < 2",
+		.numerator = 8,
+		.denominator = 2,
+		.schan_scale_type = IIO_VAL_FRACTIONAL,
+		.schan_val = 1,
+		.schan_val2 = 3,
+		.expected = "1.3333333333333333",
+	},
+	{
+		.name = "small IIO_VAL_FRACTIONAL, -2 < scale < 0",
+		.numerator = -8,
+		.denominator = 2,
+		.schan_scale_type = IIO_VAL_FRACTIONAL,
+		.schan_val = 1,
+		.schan_val2 = 3,
+		.expected = "-1.3333333333333333",
+	},
+	{
+		.name = "small IIO_VAL_FRACTIONAL_LOG2, 760/32768 scaled by 15/22",
+		.numerator = 760,
+		.denominator = 32768,
+		.schan_scale_type = IIO_VAL_FRACTIONAL_LOG2,
+		.schan_val = 15,
+		.schan_val2 = 22,
+		.expected = "0.000000082946",
+	},
+	{
+		.name = "small IIO_VAL_FRACTIONAL_LOG2, 761/32768 scaled by 15/22",
+		.numerator = 761,
+		.denominator = 32768,
+		.schan_scale_type = IIO_VAL_FRACTIONAL_LOG2,
+		.schan_val = 15,
+		.schan_val2 = 22,
+		.expected = "0.000000083055",
+	},
+	{
+		.name = "small IIO_VAL_FRACTIONAL_LOG2, 0 < scale < 1",
+		.numerator = 16,
+		.denominator = 3,
+		.schan_scale_type = IIO_VAL_FRACTIONAL_LOG2,
+		.schan_val = 1,
+		.schan_val2 = 4,
+		.expected = "0.3333333333333333",
+	},
+	{
+		.name = "small IIO_VAL_FRACTIONAL_LOG2, -1 < scale < 0",
+		.numerator = -16,
+		.denominator = 3,
+		.schan_scale_type = IIO_VAL_FRACTIONAL_LOG2,
+		.schan_val = 1,
+		.schan_val2 = 4,
+		.expected = "-0.3333333333333333",
+	},
+	{
+		.name = "small IIO_VAL_FRACTIONAL_LOG2, 0 < scale < 2",
+		.numerator = 8,
+		.denominator = 3,
+		.schan_scale_type = IIO_VAL_FRACTIONAL_LOG2,
+		.schan_val = 1,
+		.schan_val2 = 1,
+		.expected = "1.3333333333333333",
+	},
+	{
+		.name = "small IIO_VAL_FRACTIONAL_LOG2, -2 < scale < 0",
+		.numerator = -8,
+		.denominator = 3,
+		.schan_scale_type = IIO_VAL_FRACTIONAL_LOG2,
+		.schan_val = 1,
+		.schan_val2 = 1,
+		.expected = "-1.3333333333333333",
+	},
+	{
+		.name = "small IIO_VAL_INT_PLUS_MICRO, positive",
+		.numerator = 1,
+		.denominator = 2,
+		.schan_scale_type = IIO_VAL_INT_PLUS_MICRO,
+		.schan_val = 5,
+		.schan_val2 = 1234,
+		.expected = "2.500617",
+	},
+	{
+		.name = "small IIO_VAL_INT_PLUS_MICRO, negative",
+		.numerator = -1,
+		.denominator = 2,
+		.schan_scale_type = IIO_VAL_INT_PLUS_MICRO,
+		.schan_val = 5,
+		.schan_val2 = 1234,
+		.expected = "-2.500617",
+	},
+	/*
+	 * INT_PLUS_{MICRO,NANO} positive/negative corner cases
+	 */
+	{
+		.name = "negative IIO_VAL_INT_PLUS_NANO, negative schan",
+		.numerator = 1000000,
+		.denominator = 8060,
+		.schan_scale_type = IIO_VAL_INT_PLUS_NANO,
+		.schan_val = -10,
+		.schan_val2 = 123456,
+		.expected = "-1240.710106203",
+	},
+	{
+		.name = "negative IIO_VAL_INT_PLUS_NANO, both negative",
+		.numerator = -1000000,
+		.denominator = 8060,
+		.schan_scale_type = IIO_VAL_INT_PLUS_NANO,
+		.schan_val = -10,
+		.schan_val2 = 123456,
+		.expected = "1240.710106203",
+	},
+	{
+		.name = "negative IIO_VAL_INT_PLUS_NANO, 3 negative",
+		.numerator = -1000000,
+		.denominator = -8060,
+		.schan_scale_type = IIO_VAL_INT_PLUS_NANO,
+		.schan_val = -10,
+		.schan_val2 = 123456,
+		.expected = "-1240.710106203",
+	},
+	{
+		.name = "negative IIO_VAL_INT_PLUS_NANO, 4 negative",
+		.numerator = -1000000,
+		.denominator = -8060,
+		.schan_scale_type = IIO_VAL_INT_PLUS_NANO,
+		.schan_val = -10,
+		.schan_val2 = -123456,
+		.expected = "-1240.710106203",
+	},
+	{
+		.name = "negative IIO_VAL_INT_PLUS_NANO, negative, *val = 0",
+		.numerator = 1,
+		.denominator = -10,
+		.schan_scale_type = IIO_VAL_INT_PLUS_NANO,
+		.schan_val = 0,
+		.schan_val2 = 123456789,
+		.expected = "-0.012345678",
+	},
+	/*
+	 * INT_PLUS_{MICRO,NANO} decimal part overflow
+	 */
+	{
+		.name = "decimal overflow IIO_VAL_INT_PLUS_NANO, positive",
+		.numerator = 1000000,
+		.denominator = 8060,
+		.schan_scale_type = IIO_VAL_INT_PLUS_NANO,
+		.schan_val = 10,
+		.schan_val2 = 123456789,
+		.expected = "1256.01200856",
+	},
+	{
+		.name = "decimal overflow IIO_VAL_INT_PLUS_NANO, negative",
+		.numerator = -1000000,
+		.denominator = 8060,
+		.schan_scale_type = IIO_VAL_INT_PLUS_NANO,
+		.schan_val = 10,
+		.schan_val2 = 123456789,
+		.expected = "-1256.01200856",
+	},
+	{
+		.name = "decimal overflow IIO_VAL_INT_PLUS_NANO, negative schan",
+		.numerator = 1000000,
+		.denominator = 8060,
+		.schan_scale_type = IIO_VAL_INT_PLUS_NANO,
+		.schan_val = -10,
+		.schan_val2 = 123456789,
+		.expected = "-1256.01200856",
+	},
+	{
+		.name = "decimal overflow IIO_VAL_INT_PLUS_MICRO, positive",
+		.numerator = 1000000,
+		.denominator = 8060,
+		.schan_scale_type = IIO_VAL_INT_PLUS_MICRO,
+		.schan_val = 10,
+		.schan_val2 = 123456789,
+		.expected = "16557.914267",
+	},
+	{
+		.name = "decimal overflow IIO_VAL_INT_PLUS_MICRO, negative",
+		.numerator = -1000000,
+		.denominator = 8060,
+		.schan_scale_type = IIO_VAL_INT_PLUS_MICRO,
+		.schan_val = 10,
+		.schan_val2 = 123456789,
+		.expected = "-16557.914267",
+	},
+	{
+		.name = "decimal overflow IIO_VAL_INT_PLUS_MICRO, negative schan",
+		.numerator = 1000000,
+		.denominator = 8060,
+		.schan_scale_type = IIO_VAL_INT_PLUS_MICRO,
+		.schan_val = -10,
+		.schan_val2 = 123456789,
+		.expected = "-16557.914267",
+	},
+	/*
+	 * 32-bit overflow conditions
+	 */
+	{
+		.name = "overflow IIO_VAL_FRACTIONAL, positive",
+		.numerator = 2,
+		.denominator = 20,
+		.schan_scale_type = IIO_VAL_FRACTIONAL,
+		.schan_val = S32_MAX,
+		.schan_val2 = 1,
+		.expected = "214748364.7",
+	},
+	{
+		.name = "overflow IIO_VAL_FRACTIONAL, negative",
+		.numerator = -2,
+		.denominator = 20,
+		.schan_scale_type = IIO_VAL_FRACTIONAL,
+		.schan_val = S32_MAX,
+		.schan_val2 = 1,
+		.expected = "-214748364.7",
+	},
+	{
+		.name = "overflow IIO_VAL_FRACTIONAL_LOG2, positive",
+		.numerator = S32_MAX,
+		.denominator = 4096,
+		.schan_scale_type = IIO_VAL_FRACTIONAL_LOG2,
+		.schan_val = 4096,
+		.schan_val2 = 16,
+		.expected = "32767.99998474121",
+	},
+	{
+		.name = "overflow IIO_VAL_FRACTIONAL_LOG2, negative",
+		.numerator = S32_MAX,
+		.denominator = 4096,
+		.schan_scale_type = IIO_VAL_FRACTIONAL_LOG2,
+		.schan_val = -4096,
+		.schan_val2 = 16,
+		.expected = "-32767.99998474121",
+	},
+	{
+		.name = "overflow IIO_VAL_INT_PLUS_NANO, positive",
+		.numerator = 2,
+		.denominator = 20,
+		.schan_scale_type = IIO_VAL_INT_PLUS_NANO,
+		.schan_val = 10,
+		.schan_val2 = S32_MAX,
+		.expected = "1.214748364",
+	},
+	{
+		.name = "overflow IIO_VAL_INT_PLUS_NANO, negative",
+		.numerator = -2,
+		.denominator = 20,
+		.schan_scale_type = IIO_VAL_INT_PLUS_NANO,
+		.schan_val = 10,
+		.schan_val2 = S32_MAX,
+		.expected = "-1.214748364",
+	},
+	{
+		.name = "overflow IIO_VAL_INT_PLUS_NANO, negative schan",
+		.numerator = 2,
+		.denominator = 20,
+		.schan_scale_type = IIO_VAL_INT_PLUS_NANO,
+		.schan_val = -10,
+		.schan_val2 = S32_MAX,
+		.expected = "-1.214748364",
+	},
+	{
+		.name = "overflow IIO_VAL_INT_PLUS_MICRO, positive",
+		.numerator = 2,
+		.denominator = 20,
+		.schan_scale_type = IIO_VAL_INT_PLUS_MICRO,
+		.schan_val = 10,
+		.schan_val2 = S32_MAX,
+		.expected = "215.748364",
+	},
+	{
+		.name = "overflow IIO_VAL_INT_PLUS_MICRO, negative",
+		.numerator = -2,
+		.denominator = 20,
+		.schan_scale_type = IIO_VAL_INT_PLUS_MICRO,
+		.schan_val = 10,
+		.schan_val2 = S32_MAX,
+		.expected = "-215.748364",
+	},
+	{
+		.name = "overflow IIO_VAL_INT_PLUS_MICRO, negative schan",
+		.numerator = 2,
+		.denominator = 20,
+		.schan_scale_type = IIO_VAL_INT_PLUS_MICRO,
+		.schan_val = -10,
+		.schan_val2 = S32_MAX,
+		.expected = "-215.748364",
+	},
+};
+
+const struct rescale_tc_data offset_cases[] = {
+	/*
+	 * Typical use cases
+	 */
+	{
+		.name = "typical IIO_VAL_INT, positive",
+		.offset = 1234,
+		.schan_scale_type = IIO_VAL_INT,
+		.schan_val = 123,
+		.schan_val2 = 0,
+		.schan_off = 14,
+		.expected_off = "24", /* 23.872 */
+	},
+	{
+		.name = "typical IIO_VAL_INT, negative",
+		.offset = -1234,
+		.schan_scale_type = IIO_VAL_INT,
+		.schan_val = 12,
+		.schan_val2 = 0,
+		.schan_off = 14,
+		.expected_off = "-88", /* -88.83333333333333 */
+	},
+	{
+		.name = "typical IIO_VAL_FRACTIONAL, positive",
+		.offset = 1234,
+		.schan_scale_type = IIO_VAL_FRACTIONAL,
+		.schan_val = 12,
+		.schan_val2 = 34,
+		.schan_off = 14,
+		.expected_off = "3510", /* 3510.333333333333 */
+	},
+	{
+		.name = "typical IIO_VAL_FRACTIONAL, negative",
+		.offset = -1234,
+		.schan_scale_type = IIO_VAL_FRACTIONAL,
+		.schan_val = 12,
+		.schan_val2 = 34,
+		.schan_off = 14,
+		.expected_off = "-3482", /* -3482.333333333333 */
+	},
+	{
+		.name = "typical IIO_VAL_FRACTIONAL_LOG2, positive",
+		.offset = 1234,
+		.schan_scale_type = IIO_VAL_FRACTIONAL_LOG2,
+		.schan_val = 12,
+		.schan_val2 = 16,
+		.schan_off = 14,
+		.expected_off = "6739299", /* 6739299.333333333 */
+	},
+	{
+		.name = "typical IIO_VAL_FRACTIONAL_LOG2, negative",
+		.offset = -1234,
+		.schan_scale_type = IIO_VAL_FRACTIONAL_LOG2,
+		.schan_val = 12,
+		.schan_val2 = 16,
+		.schan_off = 14,
+		.expected_off = "-6739271", /* -6739271.333333333 */
+	},
+	{
+		.name = "typical IIO_VAL_INT_PLUS_NANO, positive",
+		.offset = 1234,
+		.schan_scale_type = IIO_VAL_INT_PLUS_NANO,
+		.schan_val = 10,
+		.schan_val2 = 123456789,
+		.schan_off = 14,
+		.expected_off = "135", /* 135.8951219647469 */
+	},
+	{
+		.name = "typical IIO_VAL_INT_PLUS_NANO, negative",
+		.offset = -1234,
+		.schan_scale_type = IIO_VAL_INT_PLUS_NANO,
+		.schan_val = 10,
+		.schan_val2 = 123456789,
+		.schan_off = 14,
+		.expected_off = "-107", /* -107.89512196474689 */
+	},
+	{
+		.name = "typical IIO_VAL_INT_PLUS_MICRO, positive",
+		.offset = 1234,
+		.schan_scale_type = IIO_VAL_INT_PLUS_MICRO,
+		.schan_val = 10,
+		.schan_val2 = 123456789,
+		.schan_off = 14,
+		.expected_off = "23", /* 23.246438560723952 */
+	},
+	{
+		.name = "typical IIO_VAL_INT_PLUS_MICRO, negative",
+		.offset = -12345,
+		.schan_scale_type = IIO_VAL_INT_PLUS_MICRO,
+		.schan_val = 10,
+		.schan_val2 = 123456789,
+		.schan_off = 14,
+		.expected_off = "-78", /* -78.50185091745313 */
+	},
+};
+
+static void case_to_desc(const struct rescale_tc_data *t, char *desc)
+{
+	strcpy(desc, t->name);
+}
+
+KUNIT_ARRAY_PARAM(iio_rescale_scale, scale_cases, case_to_desc);
+KUNIT_ARRAY_PARAM(iio_rescale_offset, offset_cases, case_to_desc);
+
+/**
+ * iio_str_to_nano() - Parse a fixed-point string to get an
+ *                      IIO_VAL_INT_PLUS_NANO value
+ * @str: The string to parse
+ * @nano: The number as an integer
+ *
+ * Returns 0 on success, or a negative error code if the string cound not be
+ * parsed.
+ */
+static int iio_str_to_nano(const char *str, s64 *nano)
+{
+	int tmp, tmp2;
+	int ret = 0;
+
+	/*
+	 * iio_str_to_fixpoint() uses 10^8 here instead of 10^9 as fract_mult is
+	 * the multiplier for the first decimal place.
+	 */
+	ret = iio_str_to_fixpoint(str, 100000000, &tmp, &tmp2);
+	if (ret < 0)
+		return ret;
+
+	if (tmp < 0)
+		tmp2 *= -1;
+
+	*nano = (s64)tmp * 1000000000UL + tmp2;
+
+	return ret;
+}
+
+/**
+ * iio_test_relative_error_ppm() - Compute relative error (in parts-per-million)
+ *                                 between two fixed-point strings
+ * @real_str: The real value as a string
+ * @exp_str: The expected value as a string
+ *
+ * Returns a negative error code if the strings cound not be parsed, or the
+ * relative error in parts-per-million.
+ */
+static int iio_test_relative_error_ppm(const char *real_str, const char *exp_str)
+{
+	s64 real, exp, err;
+	int ret;
+
+	ret = iio_str_to_nano(real_str, &real);
+	if (ret < 0)
+		return ret;
+
+	ret = iio_str_to_nano(exp_str, &exp);
+	if (ret < 0)
+		return ret;
+
+	if (!exp) {
+		pr_err("Expected value is null, relative error is undefined\n");
+		return -EINVAL;
+	}
+
+	err = 1000000UL * abs(exp - real);
+
+	return (int)div64_u64(err, abs(exp));
+}
+
+static void iio_rescale_test_scale(struct kunit *test)
+{
+	struct rescale_tc_data *t = (struct rescale_tc_data *)test->param_value;
+	char *buff = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
+	struct rescale rescale;
+	int values[2];
+	int rel_ppm;
+	int ret;
+
+	rescale.numerator = t->numerator;
+	rescale.denominator = t->denominator;
+	rescale.offset = t->offset;
+	values[0] = t->schan_val;
+	values[1] = t->schan_val2;
+
+	ret = rescale_process_scale(&rescale, t->schan_scale_type,
+				    &values[0], &values[1]);
+
+	ret = iio_format_value(buff, ret, 2, values);
+	KUNIT_EXPECT_EQ(test, (int)strlen(buff), ret);
+
+	rel_ppm = iio_test_relative_error_ppm(buff, t->expected);
+	KUNIT_EXPECT_GE_MSG(test, rel_ppm, 0, "failed to compute ppm\n");
+
+	KUNIT_EXPECT_EQ_MSG(test, rel_ppm, 0,
+			    "\t    real=%s"
+			    "\texpected=%s\n",
+			    buff, t->expected);
+}
+
+static void iio_rescale_test_offset(struct kunit *test)
+{
+	struct rescale_tc_data *t = (struct rescale_tc_data *)test->param_value;
+	char *buff_off = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
+	struct rescale rescale;
+	int values[2];
+	int ret;
+
+	rescale.numerator = t->numerator;
+	rescale.denominator = t->denominator;
+	rescale.offset = t->offset;
+	values[0] = t->schan_val;
+	values[1] = t->schan_val2;
+
+	ret = rescale_process_offset(&rescale, t->schan_scale_type,
+				     t->schan_val, t->schan_val2, t->schan_off,
+				     &values[0], &values[1]);
+
+	ret = iio_format_value(buff_off, ret, 2, values);
+	KUNIT_EXPECT_EQ(test, (int)strlen(buff_off), ret);
+
+	KUNIT_EXPECT_STREQ(test, strim(buff_off), t->expected_off);
+}
+
+static struct kunit_case iio_rescale_test_cases[] = {
+	KUNIT_CASE_PARAM(iio_rescale_test_scale, iio_rescale_scale_gen_params),
+	KUNIT_CASE_PARAM(iio_rescale_test_offset, iio_rescale_offset_gen_params),
+	{}
+};
+
+static struct kunit_suite iio_rescale_test_suite = {
+	.name = "iio-rescale",
+	.test_cases = iio_rescale_test_cases,
+};
+kunit_test_suite(iio_rescale_test_suite);
diff --git a/drivers/iio/trigger/Kconfig b/drivers/iio/trigger/Kconfig
index 8cef2f7452e8..7ecb69725b1d 100644
--- a/drivers/iio/trigger/Kconfig
+++ b/drivers/iio/trigger/Kconfig
@@ -38,7 +38,7 @@ config IIO_STM32_LPTIMER_TRIGGER
 
 config IIO_STM32_TIMER_TRIGGER
 	tristate "STM32 Timer Trigger"
-	depends on (ARCH_STM32 && OF && MFD_STM32_TIMERS) || COMPILE_TEST
+	depends on (ARCH_STM32 && MFD_STM32_TIMERS) || COMPILE_TEST
 	help
 	  Select this option to enable STM32 Timer Trigger
 
diff --git a/drivers/iio/trigger/stm32-timer-trigger.c b/drivers/iio/trigger/stm32-timer-trigger.c
index 4f9461e1412c..3643c4afae67 100644
--- a/drivers/iio/trigger/stm32-timer-trigger.c
+++ b/drivers/iio/trigger/stm32-timer-trigger.c
@@ -11,9 +11,10 @@
 #include <linux/iio/timer/stm32-timer-trigger.h>
 #include <linux/iio/trigger.h>
 #include <linux/mfd/stm32-timers.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
-#include <linux/of_device.h>
+#include <linux/property.h>
 
 #define MAX_TRIGGERS 7
 #define MAX_VALIDS 5
@@ -771,11 +772,11 @@ static int stm32_timer_trigger_probe(struct platform_device *pdev)
 	unsigned int index;
 	int ret;
 
-	if (of_property_read_u32(dev->of_node, "reg", &index))
-		return -EINVAL;
+	ret = device_property_read_u32(dev, "reg", &index);
+	if (ret)
+		return ret;
 
-	cfg = (const struct stm32_timer_trigger_cfg *)
-		of_match_device(dev->driver->of_match_table, dev)->data;
+	cfg = device_get_match_data(dev);
 
 	if (index >= ARRAY_SIZE(triggers_table) ||
 	    index >= cfg->num_valids_table)
@@ -827,7 +828,7 @@ static int stm32_timer_trigger_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static int __maybe_unused stm32_timer_trigger_suspend(struct device *dev)
+static int stm32_timer_trigger_suspend(struct device *dev)
 {
 	struct stm32_timer_trigger *priv = dev_get_drvdata(dev);
 
@@ -849,7 +850,7 @@ static int __maybe_unused stm32_timer_trigger_suspend(struct device *dev)
 	return 0;
 }
 
-static int __maybe_unused stm32_timer_trigger_resume(struct device *dev)
+static int stm32_timer_trigger_resume(struct device *dev)
 {
 	struct stm32_timer_trigger *priv = dev_get_drvdata(dev);
 	int ret;
@@ -875,9 +876,9 @@ static int __maybe_unused stm32_timer_trigger_resume(struct device *dev)
 	return 0;
 }
 
-static SIMPLE_DEV_PM_OPS(stm32_timer_trigger_pm_ops,
-			 stm32_timer_trigger_suspend,
-			 stm32_timer_trigger_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(stm32_timer_trigger_pm_ops,
+				stm32_timer_trigger_suspend,
+				stm32_timer_trigger_resume);
 
 static const struct stm32_timer_trigger_cfg stm32_timer_trg_cfg = {
 	.valids_table = valids_table,
@@ -907,7 +908,7 @@ static struct platform_driver stm32_timer_trigger_driver = {
 	.driver = {
 		.name = "stm32-timer-trigger",
 		.of_match_table = stm32_trig_of_match,
-		.pm = &stm32_timer_trigger_pm_ops,
+		.pm = pm_sleep_ptr(&stm32_timer_trigger_pm_ops),
 	},
 };
 module_platform_driver(stm32_timer_trigger_driver);
author	Linus Torvalds	2022-03-28 12:27:35 -0700
committer	Linus Torvalds	2022-03-28 12:27:35 -0700
commit	02e2af20f4f9f2aa0c84e9a30a35c02f0fbb7daa (patch)
tree	d126449a7d2ea2270627183f7cebd726fbe56a9d /drivers/iio
parent	ff61bc81b3feebcef4d0431a92e2e40e8d4fe8b3 (diff)
parent	37fd83916da2e4cae03d350015c82a67b1b334c4 (diff)