Quelle  tps68470_board_data.c   Sprache: C

// 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"),
 REGULATOR_SUPPLY("vddd", "i2c-INT347E:00"),
};

static struct regulator_consumer_supply int347a_aux1_consumer_supplies[] = {
 REGULATOR_SUPPLY("vdda", "i2c-INT347E:00"),
};

static struct regulator_consumer_supply int347a_aux2_consumer_supplies[] = {
 REGULATOR_SUPPLY("vdddo", "i2c-INT347E:00"),
};

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 regulator_init_data surface_go_tps68470_aux1_reg_init_data = {
 .constraints = {
  .min_uV = 2815200,
  .max_uV = 2815200,
  .apply_uV = 1,
  .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 },
 .num_consumer_supplies = ARRAY_SIZE(int347a_aux1_consumer_supplies),
 .consumer_supplies = int347a_aux1_consumer_supplies,
};

static const struct regulator_init_data surface_go_tps68470_aux2_reg_init_data = {
 .constraints = {
  .min_uV = 1800600,
  .max_uV = 1800600,
  .apply_uV = 1,
  .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 },
 .num_consumer_supplies = ARRAY_SIZE(int347a_aux2_consumer_supplies),
 .consumer_supplies = int347a_aux2_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,
  [TPS68470_AUX1] = &surface_go_tps68470_aux1_reg_init_data,
  [TPS68470_AUX2] = &surface_go_tps68470_aux2_reg_init_data,
 },
};

/* Settings for Dell 7212 Tablet */

static struct regulator_consumer_supply int3479_vsio_consumer_supplies[] = {
 REGULATOR_SUPPLY("avdd", "i2c-INT3479:00"),
};

static struct regulator_consumer_supply int3479_aux1_consumer_supplies[] = {
 REGULATOR_SUPPLY("dvdd", "i2c-INT3479:00"),
};

static struct regulator_consumer_supply int3479_aux2_consumer_supplies[] = {
 REGULATOR_SUPPLY("dovdd", "i2c-INT3479:00"),
};

static const struct regulator_init_data dell_7212_tps68470_core_reg_init_data = {
 .constraints = {
  .min_uV = 1200000,
  .max_uV = 1200000,
  .apply_uV = 1,
  .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 },
 .num_consumer_supplies = 0,
 .consumer_supplies = NULL,
};

static const struct regulator_init_data dell_7212_tps68470_ana_reg_init_data = {
 .constraints = {
  .min_uV = 2815200,
  .max_uV = 2815200,
  .apply_uV = 1,
  .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 },
 .num_consumer_supplies = 0,
 .consumer_supplies = NULL,
};

static const struct regulator_init_data dell_7212_tps68470_vcm_reg_init_data = {
 .constraints = {
  .min_uV = 2815200,
  .max_uV = 2815200,
  .apply_uV = 1,
  .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 },
 .num_consumer_supplies = 0,
 .consumer_supplies = NULL,
};

static const struct regulator_init_data dell_7212_tps68470_vio_reg_init_data = {
 .constraints = {
  .min_uV = 1800600,
  .max_uV = 1800600,
  .apply_uV = 1,
  .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 },
 .num_consumer_supplies = 0,
 .consumer_supplies = NULL,
};

static const struct regulator_init_data dell_7212_tps68470_vsio_reg_init_data = {
 .constraints = {
  .min_uV = 1800600,
  .max_uV = 1800600,
  .apply_uV = 1,
  .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 },
 .num_consumer_supplies = ARRAY_SIZE(int3479_vsio_consumer_supplies),
 .consumer_supplies = int3479_vsio_consumer_supplies,
};

static const struct regulator_init_data dell_7212_tps68470_aux1_reg_init_data = {
 .constraints = {
  .min_uV = 1213200,
  .max_uV = 1213200,
  .apply_uV = 1,
  .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 },
 .num_consumer_supplies = ARRAY_SIZE(int3479_aux1_consumer_supplies),
 .consumer_supplies = int3479_aux1_consumer_supplies,
};

static const struct regulator_init_data dell_7212_tps68470_aux2_reg_init_data = {
 .constraints = {
  .min_uV = 1800600,
  .max_uV = 1800600,
  .apply_uV = 1,
  .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 },
 .num_consumer_supplies = ARRAY_SIZE(int3479_aux2_consumer_supplies),
 .consumer_supplies = int3479_aux2_consumer_supplies,
};

static const struct tps68470_regulator_platform_data dell_7212_tps68470_pdata = {
 .reg_init_data = {
  [TPS68470_CORE] = &dell_7212_tps68470_core_reg_init_data,
  [TPS68470_ANA]  = &dell_7212_tps68470_ana_reg_init_data,
  [TPS68470_VCM]  = &dell_7212_tps68470_vcm_reg_init_data,
  [TPS68470_VIO]  = &dell_7212_tps68470_vio_reg_init_data,
  [TPS68470_VSIO] = &dell_7212_tps68470_vsio_reg_init_data,
  [TPS68470_AUX1] = &dell_7212_tps68470_aux1_reg_init_data,
  [TPS68470_AUX2] = &dell_7212_tps68470_aux2_reg_init_data,
 },
};

static struct gpiod_lookup_table surface_go_int347a_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 struct gpiod_lookup_table surface_go_int347e_gpios = {
 .dev_id = "i2c-INT347E:00",
 .table = {
  GPIO_LOOKUP("tps68470-gpio", 5, "enable", GPIO_ACTIVE_HIGH),
  { }
 }
};

static struct gpiod_lookup_table dell_7212_int3479_gpios = {
 .dev_id = "i2c-INT3479:00",
 .table = {
  GPIO_LOOKUP("tps68470-gpio", 3, "reset", GPIO_ACTIVE_LOW),
  GPIO_LOOKUP("tps68470-gpio", 4, "powerdown", GPIO_ACTIVE_LOW),
  { }
 }
};

static const struct int3472_tps68470_board_data surface_go_tps68470_board_data = {
 .dev_name = "i2c-INT3472:05",
 .tps68470_regulator_pdata = &surface_go_tps68470_pdata,
 .n_gpiod_lookups = 2,
 .tps68470_gpio_lookup_tables = {
  &surface_go_int347a_gpios,
  &surface_go_int347e_gpios,
 },
};

static const struct int3472_tps68470_board_data surface_go3_tps68470_board_data = {
 .dev_name = "i2c-INT3472:01",
 .tps68470_regulator_pdata = &surface_go_tps68470_pdata,
 .n_gpiod_lookups = 2,
 .tps68470_gpio_lookup_tables = {
  &surface_go_int347a_gpios,
  &surface_go_int347e_gpios,
 },
};

static const struct int3472_tps68470_board_data dell_7212_tps68470_board_data = {
 .dev_name = "i2c-INT3472:05",
 .tps68470_regulator_pdata = &dell_7212_tps68470_pdata,
 .n_gpiod_lookups = 1,
 .tps68470_gpio_lookup_tables = {
  &dell_7212_int3479_gpios,
 },
};

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,
 },
 {
  .matches = {
   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Go 3"),
  },
  .driver_data = (void *)&surface_go3_tps68470_board_data,
 },
 {
  .matches = {
   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Latitude 7212 Rugged Extreme Tablet"),
  },
  .driver_data = (void *)&dell_7212_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;
}