drivers/platform/x86/intel/int3472/tps68470_board_data.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * TI TPS68470 PMIC platform data definition.
   4  *
   5  * Copyright (c) 2021 Dan Scally <djrscally@gmail.com>
   6  * Copyright (c) 2021 Red Hat Inc.
   7  *
   8  * Red Hat authors:
   9  * Hans de Goede <hdegoede@redhat.com>
  10  */
  11
  12 #include <linux/dmi.h>
  13 #include <linux/gpio/machine.h>
  14 #include <linux/platform_data/tps68470.h>
  15 #include <linux/regulator/machine.h>
  16 #include "tps68470.h"
  17
  18 static struct regulator_consumer_supply int347a_core_consumer_supplies[] = {
  19         REGULATOR_SUPPLY("dvdd", "i2c-INT347A:00"),
  20 };
  21
  22 static struct regulator_consumer_supply int347a_ana_consumer_supplies[] = {
  23         REGULATOR_SUPPLY("avdd", "i2c-INT347A:00"),
  24 };
  25
  26 static struct regulator_consumer_supply int347a_vcm_consumer_supplies[] = {
  27         REGULATOR_SUPPLY("vdd", "i2c-INT347A:00-VCM"),
  28 };
  29
  30 static struct regulator_consumer_supply int347a_vsio_consumer_supplies[] = {
  31         REGULATOR_SUPPLY("dovdd", "i2c-INT347A:00"),
  32         REGULATOR_SUPPLY("vsio", "i2c-INT347A:00-VCM"),
  33         REGULATOR_SUPPLY("vddd", "i2c-INT347E:00"),
  34 };
  35
  36 static struct regulator_consumer_supply int347a_aux1_consumer_supplies[] = {
  37         REGULATOR_SUPPLY("vdda", "i2c-INT347E:00"),
  38 };
  39
  40 static struct regulator_consumer_supply int347a_aux2_consumer_supplies[] = {
  41         REGULATOR_SUPPLY("vdddo", "i2c-INT347E:00"),
  42 };
  43
  44 static const struct regulator_init_data surface_go_tps68470_core_reg_init_data = {
  45         .constraints = {
  46                 .min_uV = 1200000,
  47                 .max_uV = 1200000,
  48                 .apply_uV = true,
  49                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
  50         },
  51         .num_consumer_supplies = ARRAY_SIZE(int347a_core_consumer_supplies),
  52         .consumer_supplies = int347a_core_consumer_supplies,
  53 };
  54
  55 static const struct regulator_init_data surface_go_tps68470_ana_reg_init_data = {
  56         .constraints = {
  57                 .min_uV = 2815200,
  58                 .max_uV = 2815200,
  59                 .apply_uV = true,
  60                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
  61         },
  62         .num_consumer_supplies = ARRAY_SIZE(int347a_ana_consumer_supplies),
  63         .consumer_supplies = int347a_ana_consumer_supplies,
  64 };
  65
  66 static const struct regulator_init_data surface_go_tps68470_vcm_reg_init_data = {
  67         .constraints = {
  68                 .min_uV = 2815200,
  69                 .max_uV = 2815200,
  70                 .apply_uV = true,
  71                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
  72         },
  73         .num_consumer_supplies = ARRAY_SIZE(int347a_vcm_consumer_supplies),
  74         .consumer_supplies = int347a_vcm_consumer_supplies,
  75 };
  76
  77 /* Ensure the always-on VIO regulator has the same voltage as VSIO */
  78 static const struct regulator_init_data surface_go_tps68470_vio_reg_init_data = {
  79         .constraints = {
  80                 .min_uV = 1800600,
  81                 .max_uV = 1800600,
  82                 .apply_uV = true,
  83                 .always_on = true,
  84         },
  85 };
  86
  87 static const struct regulator_init_data surface_go_tps68470_vsio_reg_init_data = {
  88         .constraints = {
  89                 .min_uV = 1800600,
  90                 .max_uV = 1800600,
  91                 .apply_uV = true,
  92                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
  93         },
  94         .num_consumer_supplies = ARRAY_SIZE(int347a_vsio_consumer_supplies),
  95         .consumer_supplies = int347a_vsio_consumer_supplies,
  96 };
  97
  98 static const struct regulator_init_data surface_go_tps68470_aux1_reg_init_data = {
  99         .constraints = {
 100                 .min_uV = 2815200,
 101                 .max_uV = 2815200,
 102                 .apply_uV = 1,
 103                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 104         },
 105         .num_consumer_supplies = ARRAY_SIZE(int347a_aux1_consumer_supplies),
 106         .consumer_supplies = int347a_aux1_consumer_supplies,
 107 };
 108
 109 static const struct regulator_init_data surface_go_tps68470_aux2_reg_init_data = {
 110         .constraints = {
 111                 .min_uV = 1800600,
 112                 .max_uV = 1800600,
 113                 .apply_uV = 1,
 114                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 115         },
 116         .num_consumer_supplies = ARRAY_SIZE(int347a_aux2_consumer_supplies),
 117         .consumer_supplies = int347a_aux2_consumer_supplies,
 118 };
 119
 120 static const struct tps68470_regulator_platform_data surface_go_tps68470_pdata = {
 121         .reg_init_data = {
 122                 [TPS68470_CORE] = &surface_go_tps68470_core_reg_init_data,
 123                 [TPS68470_ANA]  = &surface_go_tps68470_ana_reg_init_data,
 124                 [TPS68470_VCM]  = &surface_go_tps68470_vcm_reg_init_data,
 125                 [TPS68470_VIO] = &surface_go_tps68470_vio_reg_init_data,
 126                 [TPS68470_VSIO] = &surface_go_tps68470_vsio_reg_init_data,
 127                 [TPS68470_AUX1] = &surface_go_tps68470_aux1_reg_init_data,
 128                 [TPS68470_AUX2] = &surface_go_tps68470_aux2_reg_init_data,
 129         },
 130 };
 131
 132 static struct gpiod_lookup_table surface_go_int347a_gpios = {
 133         .dev_id = "i2c-INT347A:00",
 134         .table = {
 135                 GPIO_LOOKUP("tps68470-gpio", 9, "reset", GPIO_ACTIVE_LOW),
 136                 GPIO_LOOKUP("tps68470-gpio", 7, "powerdown", GPIO_ACTIVE_LOW),
 137                 { }
 138         }
 139 };
 140
 141 static struct gpiod_lookup_table surface_go_int347e_gpios = {
 142         .dev_id = "i2c-INT347E:00",
 143         .table = {
 144                 GPIO_LOOKUP("tps68470-gpio", 5, "enable", GPIO_ACTIVE_HIGH),
 145                 { }
 146         }
 147 };
 148
 149 static const struct int3472_tps68470_board_data surface_go_tps68470_board_data = {
 150         .dev_name = "i2c-INT3472:05",
 151         .tps68470_regulator_pdata = &surface_go_tps68470_pdata,
 152         .n_gpiod_lookups = 2,
 153         .tps68470_gpio_lookup_tables = {
 154                 &surface_go_int347a_gpios,
 155                 &surface_go_int347e_gpios,
 156         },
 157 };
 158
 159 static const struct int3472_tps68470_board_data surface_go3_tps68470_board_data = {
 160         .dev_name = "i2c-INT3472:01",
 161         .tps68470_regulator_pdata = &surface_go_tps68470_pdata,
 162         .n_gpiod_lookups = 2,
 163         .tps68470_gpio_lookup_tables = {
 164                 &surface_go_int347a_gpios,
 165                 &surface_go_int347e_gpios,
 166         },
 167 };
 168
 169 static const struct dmi_system_id int3472_tps68470_board_data_table[] = {
 170         {
 171                 .matches = {
 172                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
 173                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Go"),
 174                 },
 175                 .driver_data = (void *)&surface_go_tps68470_board_data,
 176         },
 177         {
 178                 .matches = {
 179                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
 180                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Go 2"),
 181                 },
 182                 .driver_data = (void *)&surface_go_tps68470_board_data,
 183         },
 184         {
 185                 .matches = {
 186                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
 187                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Go 3"),
 188                 },
 189                 .driver_data = (void *)&surface_go3_tps68470_board_data,
 190         },
 191         { }
 192 };
 193
 194 const struct int3472_tps68470_board_data *int3472_tps68470_get_board_data(const char *dev_name)
 195 {
 196         const struct int3472_tps68470_board_data *board_data;
 197         const struct dmi_system_id *match;
 198
 199         for (match = dmi_first_match(int3472_tps68470_board_data_table);
 200              match;
 201              match = dmi_first_match(match + 1)) {
 202                 board_data = match->driver_data;
 203                 if (strcmp(board_data->dev_name, dev_name) == 0)
 204                         return board_data;
 205         }
 206
 207         return NULL;
 208 }