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-rw-r--r--drivers/platform/x86/intel/int3472/Makefile2
-rw-r--r--drivers/platform/x86/intel/int3472/tps68470.c28
-rw-r--r--drivers/platform/x86/intel/int3472/tps68470.h25
-rw-r--r--drivers/platform/x86/intel/int3472/tps68470_board_data.c145
4 files changed, 199 insertions, 1 deletions
diff --git a/drivers/platform/x86/intel/int3472/Makefile b/drivers/platform/x86/intel/int3472/Makefile
index 771e720528a0..cfec7784c5c9 100644
--- a/drivers/platform/x86/intel/int3472/Makefile
+++ b/drivers/platform/x86/intel/int3472/Makefile
@@ -1,4 +1,4 @@
obj-$(CONFIG_INTEL_SKL_INT3472) += intel_skl_int3472_discrete.o \
intel_skl_int3472_tps68470.o
intel_skl_int3472_discrete-y := discrete.o clk_and_regulator.o common.o
-intel_skl_int3472_tps68470-y := tps68470.o common.o
+intel_skl_int3472_tps68470-y := tps68470.o tps68470_board_data.o common.o
diff --git a/drivers/platform/x86/intel/int3472/tps68470.c b/drivers/platform/x86/intel/int3472/tps68470.c
index d0a3659a34ea..64b961fe628c 100644
--- a/drivers/platform/x86/intel/int3472/tps68470.c
+++ b/drivers/platform/x86/intel/int3472/tps68470.c
@@ -2,13 +2,16 @@
/* Author: Dan Scally <djrscally@gmail.com> */
#include <linux/i2c.h>
+#include <linux/kernel.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tps68470.h>
#include <linux/platform_device.h>
#include <linux/platform_data/tps68470.h>
#include <linux/regmap.h>
+#include <linux/string.h>
#include "common.h"
+#include "tps68470.h"
#define DESIGNED_FOR_CHROMEOS 1
#define DESIGNED_FOR_WINDOWS 2
@@ -95,6 +98,7 @@ static int skl_int3472_tps68470_calc_type(struct acpi_device *adev)
static int skl_int3472_tps68470_probe(struct i2c_client *client)
{
struct acpi_device *adev = ACPI_COMPANION(&client->dev);
+ const struct int3472_tps68470_board_data *board_data;
struct tps68470_clk_platform_data clk_pdata = {};
struct mfd_cell *cells;
struct regmap *regmap;
@@ -123,6 +127,10 @@ static int skl_int3472_tps68470_probe(struct i2c_client *client)
device_type = skl_int3472_tps68470_calc_type(adev);
switch (device_type) {
case DESIGNED_FOR_WINDOWS:
+ board_data = int3472_tps68470_get_board_data(dev_name(&client->dev));
+ if (!board_data)
+ return dev_err_probe(&client->dev, -ENODEV, "No board-data found for this model\n");
+
cells = kcalloc(TPS68470_WIN_MFD_CELL_COUNT, sizeof(*cells), GFP_KERNEL);
if (!cells)
return -ENOMEM;
@@ -137,12 +145,20 @@ static int skl_int3472_tps68470_probe(struct i2c_client *client)
cells[0].platform_data = &clk_pdata;
cells[0].pdata_size = sizeof(clk_pdata);
cells[1].name = "tps68470-regulator";
+ cells[1].platform_data = (void *)board_data->tps68470_regulator_pdata;
+ cells[1].pdata_size = sizeof(struct tps68470_regulator_platform_data);
cells[2].name = "tps68470-gpio";
+ gpiod_add_lookup_table(board_data->tps68470_gpio_lookup_table);
+
ret = devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_NONE,
cells, TPS68470_WIN_MFD_CELL_COUNT,
NULL, 0, NULL);
kfree(cells);
+
+ if (ret)
+ gpiod_remove_lookup_table(board_data->tps68470_gpio_lookup_table);
+
break;
case DESIGNED_FOR_CHROMEOS:
ret = devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_NONE,
@@ -157,6 +173,17 @@ static int skl_int3472_tps68470_probe(struct i2c_client *client)
return ret;
}
+static int skl_int3472_tps68470_remove(struct i2c_client *client)
+{
+ const struct int3472_tps68470_board_data *board_data;
+
+ board_data = int3472_tps68470_get_board_data(dev_name(&client->dev));
+ if (board_data)
+ gpiod_remove_lookup_table(board_data->tps68470_gpio_lookup_table);
+
+ return 0;
+}
+
static const struct acpi_device_id int3472_device_id[] = {
{ "INT3472", 0 },
{ }
@@ -169,6 +196,7 @@ static struct i2c_driver int3472_tps68470 = {
.acpi_match_table = int3472_device_id,
},
.probe_new = skl_int3472_tps68470_probe,
+ .remove = skl_int3472_tps68470_remove,
};
module_i2c_driver(int3472_tps68470);
diff --git a/drivers/platform/x86/intel/int3472/tps68470.h b/drivers/platform/x86/intel/int3472/tps68470.h
new file mode 100644
index 000000000000..cfd33eb62740
--- /dev/null
+++ b/drivers/platform/x86/intel/int3472/tps68470.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * TI TPS68470 PMIC platform data definition.
+ *
+ * Copyright (c) 2021 Red Hat Inc.
+ *
+ * Red Hat authors:
+ * Hans de Goede <hdegoede@redhat.com>
+ */
+
+#ifndef _INTEL_SKL_INT3472_TPS68470_H
+#define _INTEL_SKL_INT3472_TPS68470_H
+
+struct gpiod_lookup_table;
+struct tps68470_regulator_platform_data;
+
+struct int3472_tps68470_board_data {
+ const char *dev_name;
+ struct gpiod_lookup_table *tps68470_gpio_lookup_table;
+ const struct tps68470_regulator_platform_data *tps68470_regulator_pdata;
+};
+
+const struct int3472_tps68470_board_data *int3472_tps68470_get_board_data(const char *dev_name);
+
+#endif
diff --git a/drivers/platform/x86/intel/int3472/tps68470_board_data.c b/drivers/platform/x86/intel/int3472/tps68470_board_data.c
new file mode 100644
index 000000000000..faa5570f6e6b
--- /dev/null
+++ b/drivers/platform/x86/intel/int3472/tps68470_board_data.c
@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * TI TPS68470 PMIC platform data definition.
+ *
+ * Copyright (c) 2021 Dan Scally <djrscally@gmail.com>
+ * Copyright (c) 2021 Red Hat Inc.
+ *
+ * Red Hat authors:
+ * Hans de Goede <hdegoede@redhat.com>
+ */
+
+#include <linux/dmi.h>
+#include <linux/gpio/machine.h>
+#include <linux/platform_data/tps68470.h>
+#include <linux/regulator/machine.h>
+#include "tps68470.h"
+
+static struct regulator_consumer_supply int347a_core_consumer_supplies[] = {
+ REGULATOR_SUPPLY("dvdd", "i2c-INT347A:00"),
+};
+
+static struct regulator_consumer_supply int347a_ana_consumer_supplies[] = {
+ REGULATOR_SUPPLY("avdd", "i2c-INT347A:00"),
+};
+
+static struct regulator_consumer_supply int347a_vcm_consumer_supplies[] = {
+ REGULATOR_SUPPLY("vdd", "i2c-INT347A:00-VCM"),
+};
+
+static struct regulator_consumer_supply int347a_vsio_consumer_supplies[] = {
+ REGULATOR_SUPPLY("dovdd", "i2c-INT347A:00"),
+ REGULATOR_SUPPLY("vsio", "i2c-INT347A:00-VCM"),
+};
+
+static const struct regulator_init_data surface_go_tps68470_core_reg_init_data = {
+ .constraints = {
+ .min_uV = 1200000,
+ .max_uV = 1200000,
+ .apply_uV = true,
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(int347a_core_consumer_supplies),
+ .consumer_supplies = int347a_core_consumer_supplies,
+};
+
+static const struct regulator_init_data surface_go_tps68470_ana_reg_init_data = {
+ .constraints = {
+ .min_uV = 2815200,
+ .max_uV = 2815200,
+ .apply_uV = true,
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(int347a_ana_consumer_supplies),
+ .consumer_supplies = int347a_ana_consumer_supplies,
+};
+
+static const struct regulator_init_data surface_go_tps68470_vcm_reg_init_data = {
+ .constraints = {
+ .min_uV = 2815200,
+ .max_uV = 2815200,
+ .apply_uV = true,
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(int347a_vcm_consumer_supplies),
+ .consumer_supplies = int347a_vcm_consumer_supplies,
+};
+
+/* Ensure the always-on VIO regulator has the same voltage as VSIO */
+static const struct regulator_init_data surface_go_tps68470_vio_reg_init_data = {
+ .constraints = {
+ .min_uV = 1800600,
+ .max_uV = 1800600,
+ .apply_uV = true,
+ .always_on = true,
+ },
+};
+
+static const struct regulator_init_data surface_go_tps68470_vsio_reg_init_data = {
+ .constraints = {
+ .min_uV = 1800600,
+ .max_uV = 1800600,
+ .apply_uV = true,
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(int347a_vsio_consumer_supplies),
+ .consumer_supplies = int347a_vsio_consumer_supplies,
+};
+
+static const struct tps68470_regulator_platform_data surface_go_tps68470_pdata = {
+ .reg_init_data = {
+ [TPS68470_CORE] = &surface_go_tps68470_core_reg_init_data,
+ [TPS68470_ANA] = &surface_go_tps68470_ana_reg_init_data,
+ [TPS68470_VCM] = &surface_go_tps68470_vcm_reg_init_data,
+ [TPS68470_VIO] = &surface_go_tps68470_vio_reg_init_data,
+ [TPS68470_VSIO] = &surface_go_tps68470_vsio_reg_init_data,
+ },
+};
+
+static struct gpiod_lookup_table surface_go_tps68470_gpios = {
+ .dev_id = "i2c-INT347A:00",
+ .table = {
+ GPIO_LOOKUP("tps68470-gpio", 9, "reset", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("tps68470-gpio", 7, "powerdown", GPIO_ACTIVE_LOW)
+ }
+};
+
+static const struct int3472_tps68470_board_data surface_go_tps68470_board_data = {
+ .dev_name = "i2c-INT3472:05",
+ .tps68470_gpio_lookup_table = &surface_go_tps68470_gpios,
+ .tps68470_regulator_pdata = &surface_go_tps68470_pdata,
+};
+
+static const struct dmi_system_id int3472_tps68470_board_data_table[] = {
+ {
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Go"),
+ },
+ .driver_data = (void *)&surface_go_tps68470_board_data,
+ },
+ {
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Go 2"),
+ },
+ .driver_data = (void *)&surface_go_tps68470_board_data,
+ },
+ { }
+};
+
+const struct int3472_tps68470_board_data *int3472_tps68470_get_board_data(const char *dev_name)
+{
+ const struct int3472_tps68470_board_data *board_data;
+ const struct dmi_system_id *match;
+
+ for (match = dmi_first_match(int3472_tps68470_board_data_table);
+ match;
+ match = dmi_first_match(match + 1)) {
+ board_data = match->driver_data;
+ if (strcmp(board_data->dev_name, dev_name) == 0)
+ return board_data;
+ }
+
+ return NULL;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 04:20:23 +0000