drivers/mfd/axp20x.c

   1 /*
   2  * MFD core driver for the X-Powers' Power Management ICs
   3  *
   4  * AXP20x typically comprises an adaptive USB-Compatible PWM charger, BUCK DC-DC
   5  * converters, LDOs, multiple 12-bit ADCs of voltage, current and temperature
   6  * as well as configurable GPIOs.
   7  *
   8  * This file contains the interface independent core functions.
   9  *
  10  * Copyright (C) 2014 Carlo Caione
  11  *
  12  * Author: Carlo Caione <carlo@caione.org>
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License version 2 as
  16  * published by the Free Software Foundation.
  17  */
  18
  19 #include <linux/err.h>
  20 #include <linux/delay.h>
  21 #include <linux/interrupt.h>
  22 #include <linux/kernel.h>
  23 #include <linux/module.h>
  24 #include <linux/pm_runtime.h>
  25 #include <linux/regmap.h>
  26 #include <linux/regulator/consumer.h>
  27 #include <linux/mfd/axp20x.h>
  28 #include <linux/mfd/core.h>
  29 #include <linux/of_device.h>
  30 #include <linux/acpi.h>
  31
  32 #define AXP20X_OFF      0x80
  33
  34 #define AXP806_REG_ADDR_EXT_ADDR_MASTER_MODE    0
  35 #define AXP806_REG_ADDR_EXT_ADDR_SLAVE_MODE     BIT(4)
  36
  37 static const char * const axp20x_model_names[] = {
  38         "AXP152",
  39         "AXP202",
  40         "AXP209",
  41         "AXP221",
  42         "AXP223",
  43         "AXP288",
  44         "AXP803",
  45         "AXP806",
  46         "AXP809",
  47         "AXP813",
  48 };
  49
  50 static const struct regmap_range axp152_writeable_ranges[] = {
  51         regmap_reg_range(AXP152_LDO3456_DC1234_CTRL, AXP152_IRQ3_STATE),
  52         regmap_reg_range(AXP152_DCDC_MODE, AXP152_PWM1_DUTY_CYCLE),
  53 };
  54
  55 static const struct regmap_range axp152_volatile_ranges[] = {
  56         regmap_reg_range(AXP152_PWR_OP_MODE, AXP152_PWR_OP_MODE),
  57         regmap_reg_range(AXP152_IRQ1_EN, AXP152_IRQ3_STATE),
  58         regmap_reg_range(AXP152_GPIO_INPUT, AXP152_GPIO_INPUT),
  59 };
  60
  61 static const struct regmap_access_table axp152_writeable_table = {
  62         .yes_ranges     = axp152_writeable_ranges,
  63         .n_yes_ranges   = ARRAY_SIZE(axp152_writeable_ranges),
  64 };
  65
  66 static const struct regmap_access_table axp152_volatile_table = {
  67         .yes_ranges     = axp152_volatile_ranges,
  68         .n_yes_ranges   = ARRAY_SIZE(axp152_volatile_ranges),
  69 };
  70
  71 static const struct regmap_range axp20x_writeable_ranges[] = {
  72         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE),
  73         regmap_reg_range(AXP20X_CHRG_CTRL1, AXP20X_CHRG_CTRL2),
  74         regmap_reg_range(AXP20X_DCDC_MODE, AXP20X_FG_RES),
  75         regmap_reg_range(AXP20X_RDC_H, AXP20X_OCV(AXP20X_OCV_MAX)),
  76 };
  77
  78 static const struct regmap_range axp20x_volatile_ranges[] = {
  79         regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP20X_USB_OTG_STATUS),
  80         regmap_reg_range(AXP20X_CHRG_CTRL1, AXP20X_CHRG_CTRL2),
  81         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ5_STATE),
  82         regmap_reg_range(AXP20X_ACIN_V_ADC_H, AXP20X_IPSOUT_V_HIGH_L),
  83         regmap_reg_range(AXP20X_GPIO20_SS, AXP20X_GPIO3_CTRL),
  84         regmap_reg_range(AXP20X_FG_RES, AXP20X_RDC_L),
  85 };
  86
  87 static const struct regmap_access_table axp20x_writeable_table = {
  88         .yes_ranges     = axp20x_writeable_ranges,
  89         .n_yes_ranges   = ARRAY_SIZE(axp20x_writeable_ranges),
  90 };
  91
  92 static const struct regmap_access_table axp20x_volatile_table = {
  93         .yes_ranges     = axp20x_volatile_ranges,
  94         .n_yes_ranges   = ARRAY_SIZE(axp20x_volatile_ranges),
  95 };
  96
  97 /* AXP22x ranges are shared with the AXP809, as they cover the same range */
  98 static const struct regmap_range axp22x_writeable_ranges[] = {
  99         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE),
 100         regmap_reg_range(AXP20X_CHRG_CTRL1, AXP22X_CHRG_CTRL3),
 101         regmap_reg_range(AXP20X_DCDC_MODE, AXP22X_BATLOW_THRES1),
 102 };
 103
 104 static const struct regmap_range axp22x_volatile_ranges[] = {
 105         regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP20X_PWR_OP_MODE),
 106         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ5_STATE),
 107         regmap_reg_range(AXP22X_GPIO_STATE, AXP22X_GPIO_STATE),
 108         regmap_reg_range(AXP22X_PMIC_TEMP_H, AXP20X_IPSOUT_V_HIGH_L),
 109         regmap_reg_range(AXP20X_FG_RES, AXP20X_FG_RES),
 110 };
 111
 112 static const struct regmap_access_table axp22x_writeable_table = {
 113         .yes_ranges     = axp22x_writeable_ranges,
 114         .n_yes_ranges   = ARRAY_SIZE(axp22x_writeable_ranges),
 115 };
 116
 117 static const struct regmap_access_table axp22x_volatile_table = {
 118         .yes_ranges     = axp22x_volatile_ranges,
 119         .n_yes_ranges   = ARRAY_SIZE(axp22x_volatile_ranges),
 120 };
 121
 122 /* AXP288 ranges are shared with the AXP803, as they cover the same range */
 123 static const struct regmap_range axp288_writeable_ranges[] = {
 124         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ6_STATE),
 125         regmap_reg_range(AXP20X_DCDC_MODE, AXP288_FG_TUNE5),
 126 };
 127
 128 static const struct regmap_range axp288_volatile_ranges[] = {
 129         regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP288_POWER_REASON),
 130         regmap_reg_range(AXP288_BC_GLOBAL, AXP288_BC_GLOBAL),
 131         regmap_reg_range(AXP288_BC_DET_STAT, AXP288_BC_DET_STAT),
 132         regmap_reg_range(AXP20X_CHRG_BAK_CTRL, AXP20X_CHRG_BAK_CTRL),
 133         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IPSOUT_V_HIGH_L),
 134         regmap_reg_range(AXP20X_TIMER_CTRL, AXP20X_TIMER_CTRL),
 135         regmap_reg_range(AXP22X_GPIO_STATE, AXP22X_GPIO_STATE),
 136         regmap_reg_range(AXP288_RT_BATT_V_H, AXP288_RT_BATT_V_L),
 137         regmap_reg_range(AXP20X_FG_RES, AXP288_FG_CC_CAP_REG),
 138 };
 139
 140 static const struct regmap_access_table axp288_writeable_table = {
 141         .yes_ranges     = axp288_writeable_ranges,
 142         .n_yes_ranges   = ARRAY_SIZE(axp288_writeable_ranges),
 143 };
 144
 145 static const struct regmap_access_table axp288_volatile_table = {
 146         .yes_ranges     = axp288_volatile_ranges,
 147         .n_yes_ranges   = ARRAY_SIZE(axp288_volatile_ranges),
 148 };
 149
 150 static const struct regmap_range axp806_writeable_ranges[] = {
 151         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_DATACACHE(3)),
 152         regmap_reg_range(AXP806_PWR_OUT_CTRL1, AXP806_CLDO3_V_CTRL),
 153         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ2_EN),
 154         regmap_reg_range(AXP20X_IRQ1_STATE, AXP20X_IRQ2_STATE),
 155         regmap_reg_range(AXP806_REG_ADDR_EXT, AXP806_REG_ADDR_EXT),
 156 };
 157
 158 static const struct regmap_range axp806_volatile_ranges[] = {
 159         regmap_reg_range(AXP20X_IRQ1_STATE, AXP20X_IRQ2_STATE),
 160 };
 161
 162 static const struct regmap_access_table axp806_writeable_table = {
 163         .yes_ranges     = axp806_writeable_ranges,
 164         .n_yes_ranges   = ARRAY_SIZE(axp806_writeable_ranges),
 165 };
 166
 167 static const struct regmap_access_table axp806_volatile_table = {
 168         .yes_ranges     = axp806_volatile_ranges,
 169         .n_yes_ranges   = ARRAY_SIZE(axp806_volatile_ranges),
 170 };
 171
 172 static const struct resource axp152_pek_resources[] = {
 173         DEFINE_RES_IRQ_NAMED(AXP152_IRQ_PEK_RIS_EDGE, "PEK_DBR"),
 174         DEFINE_RES_IRQ_NAMED(AXP152_IRQ_PEK_FAL_EDGE, "PEK_DBF"),
 175 };
 176
 177 static const struct resource axp20x_ac_power_supply_resources[] = {
 178         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_ACIN_PLUGIN, "ACIN_PLUGIN"),
 179         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_ACIN_REMOVAL, "ACIN_REMOVAL"),
 180         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_ACIN_OVER_V, "ACIN_OVER_V"),
 181 };
 182
 183 static const struct resource axp20x_pek_resources[] = {
 184         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_PEK_RIS_EDGE, "PEK_DBR"),
 185         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_PEK_FAL_EDGE, "PEK_DBF"),
 186 };
 187
 188 static const struct resource axp20x_usb_power_supply_resources[] = {
 189         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"),
 190         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"),
 191         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_VALID, "VBUS_VALID"),
 192         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_NOT_VALID, "VBUS_NOT_VALID"),
 193 };
 194
 195 static const struct resource axp22x_usb_power_supply_resources[] = {
 196         DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"),
 197         DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"),
 198 };
 199
 200 static const struct resource axp22x_pek_resources[] = {
 201         DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_PEK_RIS_EDGE, "PEK_DBR"),
 202         DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_PEK_FAL_EDGE, "PEK_DBF"),
 203 };
 204
 205 static const struct resource axp288_power_button_resources[] = {
 206         DEFINE_RES_IRQ_NAMED(AXP288_IRQ_POKP, "PEK_DBR"),
 207         DEFINE_RES_IRQ_NAMED(AXP288_IRQ_POKN, "PEK_DBF"),
 208 };
 209
 210 static const struct resource axp288_fuel_gauge_resources[] = {
 211         DEFINE_RES_IRQ(AXP288_IRQ_QWBTU),
 212         DEFINE_RES_IRQ(AXP288_IRQ_WBTU),
 213         DEFINE_RES_IRQ(AXP288_IRQ_QWBTO),
 214         DEFINE_RES_IRQ(AXP288_IRQ_WBTO),
 215         DEFINE_RES_IRQ(AXP288_IRQ_WL2),
 216         DEFINE_RES_IRQ(AXP288_IRQ_WL1),
 217 };
 218
 219 static const struct resource axp803_pek_resources[] = {
 220         DEFINE_RES_IRQ_NAMED(AXP803_IRQ_PEK_RIS_EDGE, "PEK_DBR"),
 221         DEFINE_RES_IRQ_NAMED(AXP803_IRQ_PEK_FAL_EDGE, "PEK_DBF"),
 222 };
 223
 224 static const struct resource axp809_pek_resources[] = {
 225         DEFINE_RES_IRQ_NAMED(AXP809_IRQ_PEK_RIS_EDGE, "PEK_DBR"),
 226         DEFINE_RES_IRQ_NAMED(AXP809_IRQ_PEK_FAL_EDGE, "PEK_DBF"),
 227 };
 228
 229 static const struct regmap_config axp152_regmap_config = {
 230         .reg_bits       = 8,
 231         .val_bits       = 8,
 232         .wr_table       = &axp152_writeable_table,
 233         .volatile_table = &axp152_volatile_table,
 234         .max_register   = AXP152_PWM1_DUTY_CYCLE,
 235         .cache_type     = REGCACHE_RBTREE,
 236 };
 237
 238 static const struct regmap_config axp20x_regmap_config = {
 239         .reg_bits       = 8,
 240         .val_bits       = 8,
 241         .wr_table       = &axp20x_writeable_table,
 242         .volatile_table = &axp20x_volatile_table,
 243         .max_register   = AXP20X_OCV(AXP20X_OCV_MAX),
 244         .cache_type     = REGCACHE_RBTREE,
 245 };
 246
 247 static const struct regmap_config axp22x_regmap_config = {
 248         .reg_bits       = 8,
 249         .val_bits       = 8,
 250         .wr_table       = &axp22x_writeable_table,
 251         .volatile_table = &axp22x_volatile_table,
 252         .max_register   = AXP22X_BATLOW_THRES1,
 253         .cache_type     = REGCACHE_RBTREE,
 254 };
 255
 256 static const struct regmap_config axp288_regmap_config = {
 257         .reg_bits       = 8,
 258         .val_bits       = 8,
 259         .wr_table       = &axp288_writeable_table,
 260         .volatile_table = &axp288_volatile_table,
 261         .max_register   = AXP288_FG_TUNE5,
 262         .cache_type     = REGCACHE_RBTREE,
 263 };
 264
 265 static const struct regmap_config axp806_regmap_config = {
 266         .reg_bits       = 8,
 267         .val_bits       = 8,
 268         .wr_table       = &axp806_writeable_table,
 269         .volatile_table = &axp806_volatile_table,
 270         .max_register   = AXP806_REG_ADDR_EXT,
 271         .cache_type     = REGCACHE_RBTREE,
 272 };
 273
 274 #define INIT_REGMAP_IRQ(_variant, _irq, _off, _mask)                    \
 275         [_variant##_IRQ_##_irq] = { .reg_offset = (_off), .mask = BIT(_mask) }
 276
 277 static const struct regmap_irq axp152_regmap_irqs[] = {
 278         INIT_REGMAP_IRQ(AXP152, LDO0IN_CONNECT,         0, 6),
 279         INIT_REGMAP_IRQ(AXP152, LDO0IN_REMOVAL,         0, 5),
 280         INIT_REGMAP_IRQ(AXP152, ALDO0IN_CONNECT,        0, 3),
 281         INIT_REGMAP_IRQ(AXP152, ALDO0IN_REMOVAL,        0, 2),
 282         INIT_REGMAP_IRQ(AXP152, DCDC1_V_LOW,            1, 5),
 283         INIT_REGMAP_IRQ(AXP152, DCDC2_V_LOW,            1, 4),
 284         INIT_REGMAP_IRQ(AXP152, DCDC3_V_LOW,            1, 3),
 285         INIT_REGMAP_IRQ(AXP152, DCDC4_V_LOW,            1, 2),
 286         INIT_REGMAP_IRQ(AXP152, PEK_SHORT,              1, 1),
 287         INIT_REGMAP_IRQ(AXP152, PEK_LONG,               1, 0),
 288         INIT_REGMAP_IRQ(AXP152, TIMER,                  2, 7),
 289         INIT_REGMAP_IRQ(AXP152, PEK_RIS_EDGE,           2, 6),
 290         INIT_REGMAP_IRQ(AXP152, PEK_FAL_EDGE,           2, 5),
 291         INIT_REGMAP_IRQ(AXP152, GPIO3_INPUT,            2, 3),
 292         INIT_REGMAP_IRQ(AXP152, GPIO2_INPUT,            2, 2),
 293         INIT_REGMAP_IRQ(AXP152, GPIO1_INPUT,            2, 1),
 294         INIT_REGMAP_IRQ(AXP152, GPIO0_INPUT,            2, 0),
 295 };
 296
 297 static const struct regmap_irq axp20x_regmap_irqs[] = {
 298         INIT_REGMAP_IRQ(AXP20X, ACIN_OVER_V,            0, 7),
 299         INIT_REGMAP_IRQ(AXP20X, ACIN_PLUGIN,            0, 6),
 300         INIT_REGMAP_IRQ(AXP20X, ACIN_REMOVAL,           0, 5),
 301         INIT_REGMAP_IRQ(AXP20X, VBUS_OVER_V,            0, 4),
 302         INIT_REGMAP_IRQ(AXP20X, VBUS_PLUGIN,            0, 3),
 303         INIT_REGMAP_IRQ(AXP20X, VBUS_REMOVAL,           0, 2),
 304         INIT_REGMAP_IRQ(AXP20X, VBUS_V_LOW,             0, 1),
 305         INIT_REGMAP_IRQ(AXP20X, BATT_PLUGIN,            1, 7),
 306         INIT_REGMAP_IRQ(AXP20X, BATT_REMOVAL,           1, 6),
 307         INIT_REGMAP_IRQ(AXP20X, BATT_ENT_ACT_MODE,      1, 5),
 308         INIT_REGMAP_IRQ(AXP20X, BATT_EXIT_ACT_MODE,     1, 4),
 309         INIT_REGMAP_IRQ(AXP20X, CHARG,                  1, 3),
 310         INIT_REGMAP_IRQ(AXP20X, CHARG_DONE,             1, 2),
 311         INIT_REGMAP_IRQ(AXP20X, BATT_TEMP_HIGH,         1, 1),
 312         INIT_REGMAP_IRQ(AXP20X, BATT_TEMP_LOW,          1, 0),
 313         INIT_REGMAP_IRQ(AXP20X, DIE_TEMP_HIGH,          2, 7),
 314         INIT_REGMAP_IRQ(AXP20X, CHARG_I_LOW,            2, 6),
 315         INIT_REGMAP_IRQ(AXP20X, DCDC1_V_LONG,           2, 5),
 316         INIT_REGMAP_IRQ(AXP20X, DCDC2_V_LONG,           2, 4),
 317         INIT_REGMAP_IRQ(AXP20X, DCDC3_V_LONG,           2, 3),
 318         INIT_REGMAP_IRQ(AXP20X, PEK_SHORT,              2, 1),
 319         INIT_REGMAP_IRQ(AXP20X, PEK_LONG,               2, 0),
 320         INIT_REGMAP_IRQ(AXP20X, N_OE_PWR_ON,            3, 7),
 321         INIT_REGMAP_IRQ(AXP20X, N_OE_PWR_OFF,           3, 6),
 322         INIT_REGMAP_IRQ(AXP20X, VBUS_VALID,             3, 5),
 323         INIT_REGMAP_IRQ(AXP20X, VBUS_NOT_VALID,         3, 4),
 324         INIT_REGMAP_IRQ(AXP20X, VBUS_SESS_VALID,        3, 3),
 325         INIT_REGMAP_IRQ(AXP20X, VBUS_SESS_END,          3, 2),
 326         INIT_REGMAP_IRQ(AXP20X, LOW_PWR_LVL1,           3, 1),
 327         INIT_REGMAP_IRQ(AXP20X, LOW_PWR_LVL2,           3, 0),
 328         INIT_REGMAP_IRQ(AXP20X, TIMER,                  4, 7),
 329         INIT_REGMAP_IRQ(AXP20X, PEK_RIS_EDGE,           4, 6),
 330         INIT_REGMAP_IRQ(AXP20X, PEK_FAL_EDGE,           4, 5),
 331         INIT_REGMAP_IRQ(AXP20X, GPIO3_INPUT,            4, 3),
 332         INIT_REGMAP_IRQ(AXP20X, GPIO2_INPUT,            4, 2),
 333         INIT_REGMAP_IRQ(AXP20X, GPIO1_INPUT,            4, 1),
 334         INIT_REGMAP_IRQ(AXP20X, GPIO0_INPUT,            4, 0),
 335 };
 336
 337 static const struct regmap_irq axp22x_regmap_irqs[] = {
 338         INIT_REGMAP_IRQ(AXP22X, ACIN_OVER_V,            0, 7),
 339         INIT_REGMAP_IRQ(AXP22X, ACIN_PLUGIN,            0, 6),
 340         INIT_REGMAP_IRQ(AXP22X, ACIN_REMOVAL,           0, 5),
 341         INIT_REGMAP_IRQ(AXP22X, VBUS_OVER_V,            0, 4),
 342         INIT_REGMAP_IRQ(AXP22X, VBUS_PLUGIN,            0, 3),
 343         INIT_REGMAP_IRQ(AXP22X, VBUS_REMOVAL,           0, 2),
 344         INIT_REGMAP_IRQ(AXP22X, VBUS_V_LOW,             0, 1),
 345         INIT_REGMAP_IRQ(AXP22X, BATT_PLUGIN,            1, 7),
 346         INIT_REGMAP_IRQ(AXP22X, BATT_REMOVAL,           1, 6),
 347         INIT_REGMAP_IRQ(AXP22X, BATT_ENT_ACT_MODE,      1, 5),
 348         INIT_REGMAP_IRQ(AXP22X, BATT_EXIT_ACT_MODE,     1, 4),
 349         INIT_REGMAP_IRQ(AXP22X, CHARG,                  1, 3),
 350         INIT_REGMAP_IRQ(AXP22X, CHARG_DONE,             1, 2),
 351         INIT_REGMAP_IRQ(AXP22X, BATT_TEMP_HIGH,         1, 1),
 352         INIT_REGMAP_IRQ(AXP22X, BATT_TEMP_LOW,          1, 0),
 353         INIT_REGMAP_IRQ(AXP22X, DIE_TEMP_HIGH,          2, 7),
 354         INIT_REGMAP_IRQ(AXP22X, PEK_SHORT,              2, 1),
 355         INIT_REGMAP_IRQ(AXP22X, PEK_LONG,               2, 0),
 356         INIT_REGMAP_IRQ(AXP22X, LOW_PWR_LVL1,           3, 1),
 357         INIT_REGMAP_IRQ(AXP22X, LOW_PWR_LVL2,           3, 0),
 358         INIT_REGMAP_IRQ(AXP22X, TIMER,                  4, 7),
 359         INIT_REGMAP_IRQ(AXP22X, PEK_RIS_EDGE,           4, 6),
 360         INIT_REGMAP_IRQ(AXP22X, PEK_FAL_EDGE,           4, 5),
 361         INIT_REGMAP_IRQ(AXP22X, GPIO1_INPUT,            4, 1),
 362         INIT_REGMAP_IRQ(AXP22X, GPIO0_INPUT,            4, 0),
 363 };
 364
 365 /* some IRQs are compatible with axp20x models */
 366 static const struct regmap_irq axp288_regmap_irqs[] = {
 367         INIT_REGMAP_IRQ(AXP288, VBUS_FALL,              0, 2),
 368         INIT_REGMAP_IRQ(AXP288, VBUS_RISE,              0, 3),
 369         INIT_REGMAP_IRQ(AXP288, OV,                     0, 4),
 370         INIT_REGMAP_IRQ(AXP288, FALLING_ALT,            0, 5),
 371         INIT_REGMAP_IRQ(AXP288, RISING_ALT,             0, 6),
 372         INIT_REGMAP_IRQ(AXP288, OV_ALT,                 0, 7),
 373
 374         INIT_REGMAP_IRQ(AXP288, DONE,                   1, 2),
 375         INIT_REGMAP_IRQ(AXP288, CHARGING,               1, 3),
 376         INIT_REGMAP_IRQ(AXP288, SAFE_QUIT,              1, 4),
 377         INIT_REGMAP_IRQ(AXP288, SAFE_ENTER,             1, 5),
 378         INIT_REGMAP_IRQ(AXP288, ABSENT,                 1, 6),
 379         INIT_REGMAP_IRQ(AXP288, APPEND,                 1, 7),
 380
 381         INIT_REGMAP_IRQ(AXP288, QWBTU,                  2, 0),
 382         INIT_REGMAP_IRQ(AXP288, WBTU,                   2, 1),
 383         INIT_REGMAP_IRQ(AXP288, QWBTO,                  2, 2),
 384         INIT_REGMAP_IRQ(AXP288, WBTO,                   2, 3),
 385         INIT_REGMAP_IRQ(AXP288, QCBTU,                  2, 4),
 386         INIT_REGMAP_IRQ(AXP288, CBTU,                   2, 5),
 387         INIT_REGMAP_IRQ(AXP288, QCBTO,                  2, 6),
 388         INIT_REGMAP_IRQ(AXP288, CBTO,                   2, 7),
 389
 390         INIT_REGMAP_IRQ(AXP288, WL2,                    3, 0),
 391         INIT_REGMAP_IRQ(AXP288, WL1,                    3, 1),
 392         INIT_REGMAP_IRQ(AXP288, GPADC,                  3, 2),
 393         INIT_REGMAP_IRQ(AXP288, OT,                     3, 7),
 394
 395         INIT_REGMAP_IRQ(AXP288, GPIO0,                  4, 0),
 396         INIT_REGMAP_IRQ(AXP288, GPIO1,                  4, 1),
 397         INIT_REGMAP_IRQ(AXP288, POKO,                   4, 2),
 398         INIT_REGMAP_IRQ(AXP288, POKL,                   4, 3),
 399         INIT_REGMAP_IRQ(AXP288, POKS,                   4, 4),
 400         INIT_REGMAP_IRQ(AXP288, POKN,                   4, 5),
 401         INIT_REGMAP_IRQ(AXP288, POKP,                   4, 6),
 402         INIT_REGMAP_IRQ(AXP288, TIMER,                  4, 7),
 403
 404         INIT_REGMAP_IRQ(AXP288, MV_CHNG,                5, 0),
 405         INIT_REGMAP_IRQ(AXP288, BC_USB_CHNG,            5, 1),
 406 };
 407
 408 static const struct regmap_irq axp803_regmap_irqs[] = {
 409         INIT_REGMAP_IRQ(AXP803, ACIN_OVER_V,            0, 7),
 410         INIT_REGMAP_IRQ(AXP803, ACIN_PLUGIN,            0, 6),
 411         INIT_REGMAP_IRQ(AXP803, ACIN_REMOVAL,           0, 5),
 412         INIT_REGMAP_IRQ(AXP803, VBUS_OVER_V,            0, 4),
 413         INIT_REGMAP_IRQ(AXP803, VBUS_PLUGIN,            0, 3),
 414         INIT_REGMAP_IRQ(AXP803, VBUS_REMOVAL,           0, 2),
 415         INIT_REGMAP_IRQ(AXP803, BATT_PLUGIN,            1, 7),
 416         INIT_REGMAP_IRQ(AXP803, BATT_REMOVAL,           1, 6),
 417         INIT_REGMAP_IRQ(AXP803, BATT_ENT_ACT_MODE,      1, 5),
 418         INIT_REGMAP_IRQ(AXP803, BATT_EXIT_ACT_MODE,     1, 4),
 419         INIT_REGMAP_IRQ(AXP803, CHARG,                  1, 3),
 420         INIT_REGMAP_IRQ(AXP803, CHARG_DONE,             1, 2),
 421         INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_HIGH,     2, 7),
 422         INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_HIGH_END, 2, 6),
 423         INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_LOW,      2, 5),
 424         INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_LOW_END,  2, 4),
 425         INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_HIGH,     2, 3),
 426         INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_HIGH_END, 2, 2),
 427         INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_LOW,      2, 1),
 428         INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_LOW_END,  2, 0),
 429         INIT_REGMAP_IRQ(AXP803, DIE_TEMP_HIGH,          3, 7),
 430         INIT_REGMAP_IRQ(AXP803, GPADC,                  3, 2),
 431         INIT_REGMAP_IRQ(AXP803, LOW_PWR_LVL1,           3, 1),
 432         INIT_REGMAP_IRQ(AXP803, LOW_PWR_LVL2,           3, 0),
 433         INIT_REGMAP_IRQ(AXP803, TIMER,                  4, 7),
 434         INIT_REGMAP_IRQ(AXP803, PEK_RIS_EDGE,           4, 6),
 435         INIT_REGMAP_IRQ(AXP803, PEK_FAL_EDGE,           4, 5),
 436         INIT_REGMAP_IRQ(AXP803, PEK_SHORT,              4, 4),
 437         INIT_REGMAP_IRQ(AXP803, PEK_LONG,               4, 3),
 438         INIT_REGMAP_IRQ(AXP803, PEK_OVER_OFF,           4, 2),
 439         INIT_REGMAP_IRQ(AXP803, GPIO1_INPUT,            4, 1),
 440         INIT_REGMAP_IRQ(AXP803, GPIO0_INPUT,            4, 0),
 441         INIT_REGMAP_IRQ(AXP803, BC_USB_CHNG,            5, 1),
 442         INIT_REGMAP_IRQ(AXP803, MV_CHNG,                5, 0),
 443 };
 444
 445 static const struct regmap_irq axp806_regmap_irqs[] = {
 446         INIT_REGMAP_IRQ(AXP806, DIE_TEMP_HIGH_LV1,      0, 0),
 447         INIT_REGMAP_IRQ(AXP806, DIE_TEMP_HIGH_LV2,      0, 1),
 448         INIT_REGMAP_IRQ(AXP806, DCDCA_V_LOW,            0, 3),
 449         INIT_REGMAP_IRQ(AXP806, DCDCB_V_LOW,            0, 4),
 450         INIT_REGMAP_IRQ(AXP806, DCDCC_V_LOW,            0, 5),
 451         INIT_REGMAP_IRQ(AXP806, DCDCD_V_LOW,            0, 6),
 452         INIT_REGMAP_IRQ(AXP806, DCDCE_V_LOW,            0, 7),
 453         INIT_REGMAP_IRQ(AXP806, POK_LONG,               1, 0),
 454         INIT_REGMAP_IRQ(AXP806, POK_SHORT,              1, 1),
 455         INIT_REGMAP_IRQ(AXP806, WAKEUP,                 1, 4),
 456         INIT_REGMAP_IRQ(AXP806, POK_FALL,               1, 5),
 457         INIT_REGMAP_IRQ(AXP806, POK_RISE,               1, 6),
 458 };
 459
 460 static const struct regmap_irq axp809_regmap_irqs[] = {
 461         INIT_REGMAP_IRQ(AXP809, ACIN_OVER_V,            0, 7),
 462         INIT_REGMAP_IRQ(AXP809, ACIN_PLUGIN,            0, 6),
 463         INIT_REGMAP_IRQ(AXP809, ACIN_REMOVAL,           0, 5),
 464         INIT_REGMAP_IRQ(AXP809, VBUS_OVER_V,            0, 4),
 465         INIT_REGMAP_IRQ(AXP809, VBUS_PLUGIN,            0, 3),
 466         INIT_REGMAP_IRQ(AXP809, VBUS_REMOVAL,           0, 2),
 467         INIT_REGMAP_IRQ(AXP809, VBUS_V_LOW,             0, 1),
 468         INIT_REGMAP_IRQ(AXP809, BATT_PLUGIN,            1, 7),
 469         INIT_REGMAP_IRQ(AXP809, BATT_REMOVAL,           1, 6),
 470         INIT_REGMAP_IRQ(AXP809, BATT_ENT_ACT_MODE,      1, 5),
 471         INIT_REGMAP_IRQ(AXP809, BATT_EXIT_ACT_MODE,     1, 4),
 472         INIT_REGMAP_IRQ(AXP809, CHARG,                  1, 3),
 473         INIT_REGMAP_IRQ(AXP809, CHARG_DONE,             1, 2),
 474         INIT_REGMAP_IRQ(AXP809, BATT_CHG_TEMP_HIGH,     2, 7),
 475         INIT_REGMAP_IRQ(AXP809, BATT_CHG_TEMP_HIGH_END, 2, 6),
 476         INIT_REGMAP_IRQ(AXP809, BATT_CHG_TEMP_LOW,      2, 5),
 477         INIT_REGMAP_IRQ(AXP809, BATT_CHG_TEMP_LOW_END,  2, 4),
 478         INIT_REGMAP_IRQ(AXP809, BATT_ACT_TEMP_HIGH,     2, 3),
 479         INIT_REGMAP_IRQ(AXP809, BATT_ACT_TEMP_HIGH_END, 2, 2),
 480         INIT_REGMAP_IRQ(AXP809, BATT_ACT_TEMP_LOW,      2, 1),
 481         INIT_REGMAP_IRQ(AXP809, BATT_ACT_TEMP_LOW_END,  2, 0),
 482         INIT_REGMAP_IRQ(AXP809, DIE_TEMP_HIGH,          3, 7),
 483         INIT_REGMAP_IRQ(AXP809, LOW_PWR_LVL1,           3, 1),
 484         INIT_REGMAP_IRQ(AXP809, LOW_PWR_LVL2,           3, 0),
 485         INIT_REGMAP_IRQ(AXP809, TIMER,                  4, 7),
 486         INIT_REGMAP_IRQ(AXP809, PEK_RIS_EDGE,           4, 6),
 487         INIT_REGMAP_IRQ(AXP809, PEK_FAL_EDGE,           4, 5),
 488         INIT_REGMAP_IRQ(AXP809, PEK_SHORT,              4, 4),
 489         INIT_REGMAP_IRQ(AXP809, PEK_LONG,               4, 3),
 490         INIT_REGMAP_IRQ(AXP809, PEK_OVER_OFF,           4, 2),
 491         INIT_REGMAP_IRQ(AXP809, GPIO1_INPUT,            4, 1),
 492         INIT_REGMAP_IRQ(AXP809, GPIO0_INPUT,            4, 0),
 493 };
 494
 495 static const struct regmap_irq_chip axp152_regmap_irq_chip = {
 496         .name                   = "axp152_irq_chip",
 497         .status_base            = AXP152_IRQ1_STATE,
 498         .ack_base               = AXP152_IRQ1_STATE,
 499         .mask_base              = AXP152_IRQ1_EN,
 500         .mask_invert            = true,
 501         .init_ack_masked        = true,
 502         .irqs                   = axp152_regmap_irqs,
 503         .num_irqs               = ARRAY_SIZE(axp152_regmap_irqs),
 504         .num_regs               = 3,
 505 };
 506
 507 static const struct regmap_irq_chip axp20x_regmap_irq_chip = {
 508         .name                   = "axp20x_irq_chip",
 509         .status_base            = AXP20X_IRQ1_STATE,
 510         .ack_base               = AXP20X_IRQ1_STATE,
 511         .mask_base              = AXP20X_IRQ1_EN,
 512         .mask_invert            = true,
 513         .init_ack_masked        = true,
 514         .irqs                   = axp20x_regmap_irqs,
 515         .num_irqs               = ARRAY_SIZE(axp20x_regmap_irqs),
 516         .num_regs               = 5,
 517
 518 };
 519
 520 static const struct regmap_irq_chip axp22x_regmap_irq_chip = {
 521         .name                   = "axp22x_irq_chip",
 522         .status_base            = AXP20X_IRQ1_STATE,
 523         .ack_base               = AXP20X_IRQ1_STATE,
 524         .mask_base              = AXP20X_IRQ1_EN,
 525         .mask_invert            = true,
 526         .init_ack_masked        = true,
 527         .irqs                   = axp22x_regmap_irqs,
 528         .num_irqs               = ARRAY_SIZE(axp22x_regmap_irqs),
 529         .num_regs               = 5,
 530 };
 531
 532 static const struct regmap_irq_chip axp288_regmap_irq_chip = {
 533         .name                   = "axp288_irq_chip",
 534         .status_base            = AXP20X_IRQ1_STATE,
 535         .ack_base               = AXP20X_IRQ1_STATE,
 536         .mask_base              = AXP20X_IRQ1_EN,
 537         .mask_invert            = true,
 538         .init_ack_masked        = true,
 539         .irqs                   = axp288_regmap_irqs,
 540         .num_irqs               = ARRAY_SIZE(axp288_regmap_irqs),
 541         .num_regs               = 6,
 542
 543 };
 544
 545 static const struct regmap_irq_chip axp803_regmap_irq_chip = {
 546         .name                   = "axp803",
 547         .status_base            = AXP20X_IRQ1_STATE,
 548         .ack_base               = AXP20X_IRQ1_STATE,
 549         .mask_base              = AXP20X_IRQ1_EN,
 550         .mask_invert            = true,
 551         .init_ack_masked        = true,
 552         .irqs                   = axp803_regmap_irqs,
 553         .num_irqs               = ARRAY_SIZE(axp803_regmap_irqs),
 554         .num_regs               = 6,
 555 };
 556
 557 static const struct regmap_irq_chip axp806_regmap_irq_chip = {
 558         .name                   = "axp806",
 559         .status_base            = AXP20X_IRQ1_STATE,
 560         .ack_base               = AXP20X_IRQ1_STATE,
 561         .mask_base              = AXP20X_IRQ1_EN,
 562         .mask_invert            = true,
 563         .init_ack_masked        = true,
 564         .irqs                   = axp806_regmap_irqs,
 565         .num_irqs               = ARRAY_SIZE(axp806_regmap_irqs),
 566         .num_regs               = 2,
 567 };
 568
 569 static const struct regmap_irq_chip axp809_regmap_irq_chip = {
 570         .name                   = "axp809",
 571         .status_base            = AXP20X_IRQ1_STATE,
 572         .ack_base               = AXP20X_IRQ1_STATE,
 573         .mask_base              = AXP20X_IRQ1_EN,
 574         .mask_invert            = true,
 575         .init_ack_masked        = true,
 576         .irqs                   = axp809_regmap_irqs,
 577         .num_irqs               = ARRAY_SIZE(axp809_regmap_irqs),
 578         .num_regs               = 5,
 579 };
 580
 581 static const struct mfd_cell axp20x_cells[] = {
 582         {
 583                 .name           = "axp20x-gpio",
 584                 .of_compatible  = "x-powers,axp209-gpio",
 585         }, {
 586                 .name           = "axp20x-pek",
 587                 .num_resources  = ARRAY_SIZE(axp20x_pek_resources),
 588                 .resources      = axp20x_pek_resources,
 589         }, {
 590                 .name           = "axp20x-regulator",
 591         }, {
 592                 .name           = "axp20x-adc",
 593                 .of_compatible  = "x-powers,axp209-adc",
 594         }, {
 595                 .name           = "axp20x-battery-power-supply",
 596                 .of_compatible  = "x-powers,axp209-battery-power-supply",
 597         }, {
 598                 .name           = "axp20x-ac-power-supply",
 599                 .of_compatible  = "x-powers,axp202-ac-power-supply",
 600                 .num_resources  = ARRAY_SIZE(axp20x_ac_power_supply_resources),
 601                 .resources      = axp20x_ac_power_supply_resources,
 602         }, {
 603                 .name           = "axp20x-usb-power-supply",
 604                 .of_compatible  = "x-powers,axp202-usb-power-supply",
 605                 .num_resources  = ARRAY_SIZE(axp20x_usb_power_supply_resources),
 606                 .resources      = axp20x_usb_power_supply_resources,
 607         },
 608 };
 609
 610 static const struct mfd_cell axp221_cells[] = {
 611         {
 612                 .name           = "axp221-pek",
 613                 .num_resources  = ARRAY_SIZE(axp22x_pek_resources),
 614                 .resources      = axp22x_pek_resources,
 615         }, {
 616                 .name           = "axp20x-regulator",
 617         }, {
 618                 .name           = "axp22x-adc",
 619                 .of_compatible  = "x-powers,axp221-adc",
 620         }, {
 621                 .name           = "axp20x-ac-power-supply",
 622                 .of_compatible  = "x-powers,axp221-ac-power-supply",
 623                 .num_resources  = ARRAY_SIZE(axp20x_ac_power_supply_resources),
 624                 .resources      = axp20x_ac_power_supply_resources,
 625         }, {
 626                 .name           = "axp20x-battery-power-supply",
 627                 .of_compatible  = "x-powers,axp221-battery-power-supply",
 628         }, {
 629                 .name           = "axp20x-usb-power-supply",
 630                 .of_compatible  = "x-powers,axp221-usb-power-supply",
 631                 .num_resources  = ARRAY_SIZE(axp22x_usb_power_supply_resources),
 632                 .resources      = axp22x_usb_power_supply_resources,
 633         },
 634 };
 635
 636 static const struct mfd_cell axp223_cells[] = {
 637         {
 638                 .name                   = "axp221-pek",
 639                 .num_resources          = ARRAY_SIZE(axp22x_pek_resources),
 640                 .resources              = axp22x_pek_resources,
 641         }, {
 642                 .name           = "axp22x-adc",
 643                 .of_compatible  = "x-powers,axp221-adc",
 644         }, {
 645                 .name           = "axp20x-battery-power-supply",
 646                 .of_compatible  = "x-powers,axp221-battery-power-supply",
 647         }, {
 648                 .name                   = "axp20x-regulator",
 649         }, {
 650                 .name           = "axp20x-ac-power-supply",
 651                 .of_compatible  = "x-powers,axp221-ac-power-supply",
 652                 .num_resources  = ARRAY_SIZE(axp20x_ac_power_supply_resources),
 653                 .resources      = axp20x_ac_power_supply_resources,
 654         }, {
 655                 .name           = "axp20x-usb-power-supply",
 656                 .of_compatible  = "x-powers,axp223-usb-power-supply",
 657                 .num_resources  = ARRAY_SIZE(axp22x_usb_power_supply_resources),
 658                 .resources      = axp22x_usb_power_supply_resources,
 659         },
 660 };
 661
 662 static const struct mfd_cell axp152_cells[] = {
 663         {
 664                 .name                   = "axp20x-pek",
 665                 .num_resources          = ARRAY_SIZE(axp152_pek_resources),
 666                 .resources              = axp152_pek_resources,
 667         },
 668 };
 669
 670 static const struct resource axp288_adc_resources[] = {
 671         DEFINE_RES_IRQ_NAMED(AXP288_IRQ_GPADC, "GPADC"),
 672 };
 673
 674 static const struct resource axp288_extcon_resources[] = {
 675         DEFINE_RES_IRQ(AXP288_IRQ_VBUS_FALL),
 676         DEFINE_RES_IRQ(AXP288_IRQ_VBUS_RISE),
 677         DEFINE_RES_IRQ(AXP288_IRQ_MV_CHNG),
 678         DEFINE_RES_IRQ(AXP288_IRQ_BC_USB_CHNG),
 679 };
 680
 681 static const struct resource axp288_charger_resources[] = {
 682         DEFINE_RES_IRQ(AXP288_IRQ_OV),
 683         DEFINE_RES_IRQ(AXP288_IRQ_DONE),
 684         DEFINE_RES_IRQ(AXP288_IRQ_CHARGING),
 685         DEFINE_RES_IRQ(AXP288_IRQ_SAFE_QUIT),
 686         DEFINE_RES_IRQ(AXP288_IRQ_SAFE_ENTER),
 687         DEFINE_RES_IRQ(AXP288_IRQ_QCBTU),
 688         DEFINE_RES_IRQ(AXP288_IRQ_CBTU),
 689         DEFINE_RES_IRQ(AXP288_IRQ_QCBTO),
 690         DEFINE_RES_IRQ(AXP288_IRQ_CBTO),
 691 };
 692
 693 static const struct mfd_cell axp288_cells[] = {
 694         {
 695                 .name = "axp288_adc",
 696                 .num_resources = ARRAY_SIZE(axp288_adc_resources),
 697                 .resources = axp288_adc_resources,
 698         },
 699         {
 700                 .name = "axp288_extcon",
 701                 .num_resources = ARRAY_SIZE(axp288_extcon_resources),
 702                 .resources = axp288_extcon_resources,
 703         },
 704         {
 705                 .name = "axp288_charger",
 706                 .num_resources = ARRAY_SIZE(axp288_charger_resources),
 707                 .resources = axp288_charger_resources,
 708         },
 709         {
 710                 .name = "axp288_fuel_gauge",
 711                 .num_resources = ARRAY_SIZE(axp288_fuel_gauge_resources),
 712                 .resources = axp288_fuel_gauge_resources,
 713         },
 714         {
 715                 .name = "axp221-pek",
 716                 .num_resources = ARRAY_SIZE(axp288_power_button_resources),
 717                 .resources = axp288_power_button_resources,
 718         },
 719         {
 720                 .name = "axp288_pmic_acpi",
 721         },
 722 };
 723
 724 static const struct mfd_cell axp803_cells[] = {
 725         {
 726                 .name                   = "axp221-pek",
 727                 .num_resources          = ARRAY_SIZE(axp803_pek_resources),
 728                 .resources              = axp803_pek_resources,
 729         },
 730         {       .name                   = "axp20x-regulator" },
 731 };
 732
 733 static const struct mfd_cell axp806_cells[] = {
 734         {
 735                 .id                     = 2,
 736                 .name                   = "axp20x-regulator",
 737         },
 738 };
 739
 740 static const struct mfd_cell axp809_cells[] = {
 741         {
 742                 .name                   = "axp221-pek",
 743                 .num_resources          = ARRAY_SIZE(axp809_pek_resources),
 744                 .resources              = axp809_pek_resources,
 745         }, {
 746                 .id                     = 1,
 747                 .name                   = "axp20x-regulator",
 748         },
 749 };
 750
 751 static const struct mfd_cell axp813_cells[] = {
 752         {
 753                 .name                   = "axp221-pek",
 754                 .num_resources          = ARRAY_SIZE(axp803_pek_resources),
 755                 .resources              = axp803_pek_resources,
 756         }, {
 757                 .name                   = "axp20x-regulator",
 758         }, {
 759                 .name                   = "axp20x-gpio",
 760                 .of_compatible          = "x-powers,axp813-gpio",
 761         }, {
 762                 .name                   = "axp813-adc",
 763                 .of_compatible          = "x-powers,axp813-adc",
 764         }, {
 765                 .name           = "axp20x-battery-power-supply",
 766                 .of_compatible  = "x-powers,axp813-battery-power-supply",
 767         },
 768 };
 769
 770 static struct axp20x_dev *axp20x_pm_power_off;
 771 static void axp20x_power_off(void)
 772 {
 773         if (axp20x_pm_power_off->variant == AXP288_ID)
 774                 return;
 775
 776         regmap_write(axp20x_pm_power_off->regmap, AXP20X_OFF_CTRL,
 777                      AXP20X_OFF);
 778
 779         /* Give capacitors etc. time to drain to avoid kernel panic msg. */
 780         msleep(500);
 781 }
 782
 783 int axp20x_match_device(struct axp20x_dev *axp20x)
 784 {
 785         struct device *dev = axp20x->dev;
 786         const struct acpi_device_id *acpi_id;
 787         const struct of_device_id *of_id;
 788
 789         if (dev->of_node) {
 790                 of_id = of_match_device(dev->driver->of_match_table, dev);
 791                 if (!of_id) {
 792                         dev_err(dev, "Unable to match OF ID\n");
 793                         return -ENODEV;
 794                 }
 795                 axp20x->variant = (long)of_id->data;
 796         } else {
 797                 acpi_id = acpi_match_device(dev->driver->acpi_match_table, dev);
 798                 if (!acpi_id || !acpi_id->driver_data) {
 799                         dev_err(dev, "Unable to match ACPI ID and data\n");
 800                         return -ENODEV;
 801                 }
 802                 axp20x->variant = (long)acpi_id->driver_data;
 803         }
 804
 805         switch (axp20x->variant) {
 806         case AXP152_ID:
 807                 axp20x->nr_cells = ARRAY_SIZE(axp152_cells);
 808                 axp20x->cells = axp152_cells;
 809                 axp20x->regmap_cfg = &axp152_regmap_config;
 810                 axp20x->regmap_irq_chip = &axp152_regmap_irq_chip;
 811                 break;
 812         case AXP202_ID:
 813         case AXP209_ID:
 814                 axp20x->nr_cells = ARRAY_SIZE(axp20x_cells);
 815                 axp20x->cells = axp20x_cells;
 816                 axp20x->regmap_cfg = &axp20x_regmap_config;
 817                 axp20x->regmap_irq_chip = &axp20x_regmap_irq_chip;
 818                 break;
 819         case AXP221_ID:
 820                 axp20x->nr_cells = ARRAY_SIZE(axp221_cells);
 821                 axp20x->cells = axp221_cells;
 822                 axp20x->regmap_cfg = &axp22x_regmap_config;
 823                 axp20x->regmap_irq_chip = &axp22x_regmap_irq_chip;
 824                 break;
 825         case AXP223_ID:
 826                 axp20x->nr_cells = ARRAY_SIZE(axp223_cells);
 827                 axp20x->cells = axp223_cells;
 828                 axp20x->regmap_cfg = &axp22x_regmap_config;
 829                 axp20x->regmap_irq_chip = &axp22x_regmap_irq_chip;
 830                 break;
 831         case AXP288_ID:
 832                 axp20x->cells = axp288_cells;
 833                 axp20x->nr_cells = ARRAY_SIZE(axp288_cells);
 834                 axp20x->regmap_cfg = &axp288_regmap_config;
 835                 axp20x->regmap_irq_chip = &axp288_regmap_irq_chip;
 836                 axp20x->irq_flags = IRQF_TRIGGER_LOW;
 837                 break;
 838         case AXP803_ID:
 839                 axp20x->nr_cells = ARRAY_SIZE(axp803_cells);
 840                 axp20x->cells = axp803_cells;
 841                 axp20x->regmap_cfg = &axp288_regmap_config;
 842                 axp20x->regmap_irq_chip = &axp803_regmap_irq_chip;
 843                 break;
 844         case AXP806_ID:
 845                 axp20x->nr_cells = ARRAY_SIZE(axp806_cells);
 846                 axp20x->cells = axp806_cells;
 847                 axp20x->regmap_cfg = &axp806_regmap_config;
 848                 axp20x->regmap_irq_chip = &axp806_regmap_irq_chip;
 849                 break;
 850         case AXP809_ID:
 851                 axp20x->nr_cells = ARRAY_SIZE(axp809_cells);
 852                 axp20x->cells = axp809_cells;
 853                 axp20x->regmap_cfg = &axp22x_regmap_config;
 854                 axp20x->regmap_irq_chip = &axp809_regmap_irq_chip;
 855                 break;
 856         case AXP813_ID:
 857                 axp20x->nr_cells = ARRAY_SIZE(axp813_cells);
 858                 axp20x->cells = axp813_cells;
 859                 axp20x->regmap_cfg = &axp288_regmap_config;
 860                 /*
 861                  * The IRQ table given in the datasheet is incorrect.
 862                  * In IRQ enable/status registers 1, there are separate
 863                  * IRQs for ACIN and VBUS, instead of bits [7:5] being
 864                  * the same as bits [4:2]. So it shares the same IRQs
 865                  * as the AXP803, rather than the AXP288.
 866                  */
 867                 axp20x->regmap_irq_chip = &axp803_regmap_irq_chip;
 868                 break;
 869         default:
 870                 dev_err(dev, "unsupported AXP20X ID %lu\n", axp20x->variant);
 871                 return -EINVAL;
 872         }
 873         dev_info(dev, "AXP20x variant %s found\n",
 874                  axp20x_model_names[axp20x->variant]);
 875
 876         return 0;
 877 }
 878 EXPORT_SYMBOL(axp20x_match_device);
 879
 880 int axp20x_device_probe(struct axp20x_dev *axp20x)
 881 {
 882         int ret;
 883
 884         /*
 885          * The AXP806 supports either master/standalone or slave mode.
 886          * Slave mode allows sharing the serial bus, even with multiple
 887          * AXP806 which all have the same hardware address.
 888          *
 889          * This is done with extra "serial interface address extension",
 890          * or AXP806_BUS_ADDR_EXT, and "register address extension", or
 891          * AXP806_REG_ADDR_EXT, registers. The former is read-only, with
 892          * 1 bit customizable at the factory, and 1 bit depending on the
 893          * state of an external pin. The latter is writable. The device
 894          * will only respond to operations to its other registers when
 895          * the these device addressing bits (in the upper 4 bits of the
 896          * registers) match.
 897          *
 898          * By default we support an AXP806 chained to an AXP809 in slave
 899          * mode. Boards which use an AXP806 in master mode can set the
 900          * property "x-powers,master-mode" to override the default.
 901          */
 902         if (axp20x->variant == AXP806_ID) {
 903                 if (of_property_read_bool(axp20x->dev->of_node,
 904                                           "x-powers,master-mode"))
 905                         regmap_write(axp20x->regmap, AXP806_REG_ADDR_EXT,
 906                                      AXP806_REG_ADDR_EXT_ADDR_MASTER_MODE);
 907                 else
 908                         regmap_write(axp20x->regmap, AXP806_REG_ADDR_EXT,
 909                                      AXP806_REG_ADDR_EXT_ADDR_SLAVE_MODE);
 910         }
 911
 912         ret = regmap_add_irq_chip(axp20x->regmap, axp20x->irq,
 913                           IRQF_ONESHOT | IRQF_SHARED | axp20x->irq_flags,
 914                            -1, axp20x->regmap_irq_chip, &axp20x->regmap_irqc);
 915         if (ret) {
 916                 dev_err(axp20x->dev, "failed to add irq chip: %d\n", ret);
 917                 return ret;
 918         }
 919
 920         ret = mfd_add_devices(axp20x->dev, -1, axp20x->cells,
 921                               axp20x->nr_cells, NULL, 0, NULL);
 922
 923         if (ret) {
 924                 dev_err(axp20x->dev, "failed to add MFD devices: %d\n", ret);
 925                 regmap_del_irq_chip(axp20x->irq, axp20x->regmap_irqc);
 926                 return ret;
 927         }
 928
 929         if (!pm_power_off) {
 930                 axp20x_pm_power_off = axp20x;
 931                 pm_power_off = axp20x_power_off;
 932         }
 933
 934         dev_info(axp20x->dev, "AXP20X driver loaded\n");
 935
 936         return 0;
 937 }
 938 EXPORT_SYMBOL(axp20x_device_probe);
 939
 940 int axp20x_device_remove(struct axp20x_dev *axp20x)
 941 {
 942         if (axp20x == axp20x_pm_power_off) {
 943                 axp20x_pm_power_off = NULL;
 944                 pm_power_off = NULL;
 945         }
 946
 947         mfd_remove_devices(axp20x->dev);
 948         regmap_del_irq_chip(axp20x->irq, axp20x->regmap_irqc);
 949
 950         return 0;
 951 }
 952 EXPORT_SYMBOL(axp20x_device_remove);
 953
 954 MODULE_DESCRIPTION("PMIC MFD core driver for AXP20X");
 955 MODULE_AUTHOR("Carlo Caione <carlo@caione.org>");
 956 MODULE_LICENSE("GPL");