Merge tag 'hwmon-for-linus-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:

 - new drivers:
   - Lantiq CPU temperature sensor
   - IBM CFF power supply
   - TPS53679 PMBus driver

 - new support:
   - LM5066I (lm25066 PMBus driver)
   - Intel VID protocol VR13 (PMBus drivers)
   - CAT34TS02C, GT30TS00, GT34TS02, and CAT34TS04 (jc42 driver)

 - cleanup and minor improvements in several drivers

* tag 'hwmon-for-linus-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (36 commits)
  hwmon: (ltq-cputemp) add cpu temp sensor driver
  hwmon: (ltq-cputemp) add devicetree bindings documentation
  hwmon: (pmbus) Add support for Texas Instruments tps53679 device
  hwmon: (asc7621) make several arrays static const
  hwmon: (pmbus/lm25066) Add support for TI LM5066I
  hwmon: (pmbus/lm25066) Offset coefficient depends on CL
  hwmon: (pmbus) Add support for Intel VID protocol VR13
  Documentation: hwmon: Document the IBM CFF power supply
  hwmon: (pmbus) Add IBM Common Form Factor (CFF) power supply driver
  dt-bindings: hwmon: Document the IBM CCF power supply version 1
  hwmon: (ftsteutates) constify i2c_device_id
  hwmon: da9052: Add support for TSI channel
  mfd: da9052: Make touchscreen registration optional
  hwmon: da9052: Replace S_IRUGO with 0444
  mfd: da9052: Add register details for TSI
  hwmon: (aspeed-pwm) add THERMAL dependency
  hwmon: (pmbus) Add debugfs for status registers
  hwmon: (aspeed-pwm-tacho) cooling device support.
  Documentation: dt-bindings: aspeed-pwm-tacho cooling device.
  hwmon: (pmbus): Add generic alarm bit for iin and pin
  ...

1 files changed, 23 insertions, 3 deletions

diff --git a/drivers/mfd/da9052-core.c b/drivers/mfd/da9052-core.c
index a88c2065d8ab..a23a3a1c7061 100644
--- a/drivers/mfd/da9052-core.c
+++ b/drivers/mfd/da9052-core.c
@@ -18,6 +18,7 @@
 #include <linux/mfd/core.h>
 #include <linux/slab.h>
 #include <linux/module.h>
+#include <linux/property.h>
 
 #include <linux/mfd/da9052/da9052.h>
 #include <linux/mfd/da9052/pdata.h>
@@ -519,9 +520,6 @@ static const struct mfd_cell da9052_subdev_info[] = {
 		.name = "da9052-wled3",
 	},
 	{
-		.name = "da9052-tsi",
-	},
-	{
 		.name = "da9052-bat",
 	},
 	{
@@ -529,6 +527,10 @@ static const struct mfd_cell da9052_subdev_info[] = {
 	},
 };
 
+static const struct mfd_cell da9052_tsi_subdev_info[] = {
+	{ .name = "da9052-tsi" },
+};
+
 const struct regmap_config da9052_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
@@ -619,9 +621,27 @@ int da9052_device_init(struct da9052 *da9052, u8 chip_id)
 		goto err;
 	}
 
+	/*
+	 * Check if touchscreen pins are used are analogue input instead
+	 * of having a touchscreen connected to them. The analogue input
+	 * functionality will be provided by hwmon driver (if enabled).
+	 */
+	if (!device_property_read_bool(da9052->dev, "dlg,tsi-as-adc")) {
+		ret = mfd_add_devices(da9052->dev, PLATFORM_DEVID_AUTO,
+				      da9052_tsi_subdev_info,
+				      ARRAY_SIZE(da9052_tsi_subdev_info),
+				      NULL, 0, NULL);
+		if (ret) {
+			dev_err(da9052->dev, "failed to add TSI subdev: %d\n",
+				ret);
+			goto err;
+		}
+	}
+
 	return 0;
 
 err:
+	mfd_remove_devices(da9052->dev);
 	da9052_irq_exit(da9052);
 
 	return ret;