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// 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;
}
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