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 static const char * const axp20x_model_names[] = {
  35         "AXP152",
  36         "AXP202",
  37         "AXP209",
  38         "AXP221",
  39         "AXP223",
  40         "AXP288",
  41         "AXP806",
  42         "AXP809",
  43 };
  44
  45 static const struct regmap_range axp152_writeable_ranges[] = {
  46         regmap_reg_range(AXP152_LDO3456_DC1234_CTRL, AXP152_IRQ3_STATE),
  47         regmap_reg_range(AXP152_DCDC_MODE, AXP152_PWM1_DUTY_CYCLE),
  48 };
  49
  50 static const struct regmap_range axp152_volatile_ranges[] = {
  51         regmap_reg_range(AXP152_PWR_OP_MODE, AXP152_PWR_OP_MODE),
  52         regmap_reg_range(AXP152_IRQ1_EN, AXP152_IRQ3_STATE),
  53         regmap_reg_range(AXP152_GPIO_INPUT, AXP152_GPIO_INPUT),
  54 };
  55
  56 static const struct regmap_access_table axp152_writeable_table = {
  57         .yes_ranges     = axp152_writeable_ranges,
  58         .n_yes_ranges   = ARRAY_SIZE(axp152_writeable_ranges),
  59 };
  60
  61 static const struct regmap_access_table axp152_volatile_table = {
  62         .yes_ranges     = axp152_volatile_ranges,
  63         .n_yes_ranges   = ARRAY_SIZE(axp152_volatile_ranges),
  64 };
  65
  66 static const struct regmap_range axp20x_writeable_ranges[] = {
  67         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE),
  68         regmap_reg_range(AXP20X_DCDC_MODE, AXP20X_FG_RES),
  69         regmap_reg_range(AXP20X_RDC_H, AXP20X_OCV(AXP20X_OCV_MAX)),
  70 };
  71
  72 static const struct regmap_range axp20x_volatile_ranges[] = {
  73         regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP20X_USB_OTG_STATUS),
  74         regmap_reg_range(AXP20X_CHRG_CTRL1, AXP20X_CHRG_CTRL2),
  75         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ5_STATE),
  76         regmap_reg_range(AXP20X_ACIN_V_ADC_H, AXP20X_IPSOUT_V_HIGH_L),
  77         regmap_reg_range(AXP20X_GPIO20_SS, AXP20X_GPIO3_CTRL),
  78         regmap_reg_range(AXP20X_FG_RES, AXP20X_RDC_L),
  79 };
  80
  81 static const struct regmap_access_table axp20x_writeable_table = {
  82         .yes_ranges     = axp20x_writeable_ranges,
  83         .n_yes_ranges   = ARRAY_SIZE(axp20x_writeable_ranges),
  84 };
  85
  86 static const struct regmap_access_table axp20x_volatile_table = {
  87         .yes_ranges     = axp20x_volatile_ranges,
  88         .n_yes_ranges   = ARRAY_SIZE(axp20x_volatile_ranges),
  89 };
  90
  91 /* AXP22x ranges are shared with the AXP809, as they cover the same range */
  92 static const struct regmap_range axp22x_writeable_ranges[] = {
  93         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE),
  94         regmap_reg_range(AXP20X_DCDC_MODE, AXP22X_BATLOW_THRES1),
  95 };
  96
  97 static const struct regmap_range axp22x_volatile_ranges[] = {
  98         regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP20X_PWR_OP_MODE),
  99         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ5_STATE),
 100         regmap_reg_range(AXP22X_GPIO_STATE, AXP22X_GPIO_STATE),
 101         regmap_reg_range(AXP22X_PMIC_ADC_H, AXP20X_IPSOUT_V_HIGH_L),
 102         regmap_reg_range(AXP20X_FG_RES, AXP20X_FG_RES),
 103 };
 104
 105 static const struct regmap_access_table axp22x_writeable_table = {
 106         .yes_ranges     = axp22x_writeable_ranges,
 107         .n_yes_ranges   = ARRAY_SIZE(axp22x_writeable_ranges),
 108 };
 109
 110 static const struct regmap_access_table axp22x_volatile_table = {
 111         .yes_ranges     = axp22x_volatile_ranges,
 112         .n_yes_ranges   = ARRAY_SIZE(axp22x_volatile_ranges),
 113 };
 114
 115 static const struct regmap_range axp288_writeable_ranges[] = {
 116         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ6_STATE),
 117         regmap_reg_range(AXP20X_DCDC_MODE, AXP288_FG_TUNE5),
 118 };
 119
 120 static const struct regmap_range axp288_volatile_ranges[] = {
 121         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IPSOUT_V_HIGH_L),
 122 };
 123
 124 static const struct regmap_access_table axp288_writeable_table = {
 125         .yes_ranges     = axp288_writeable_ranges,
 126         .n_yes_ranges   = ARRAY_SIZE(axp288_writeable_ranges),
 127 };
 128
 129 static const struct regmap_access_table axp288_volatile_table = {
 130         .yes_ranges     = axp288_volatile_ranges,
 131         .n_yes_ranges   = ARRAY_SIZE(axp288_volatile_ranges),
 132 };
 133
 134 static const struct regmap_range axp806_writeable_ranges[] = {
 135         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_DATACACHE(3)),
 136         regmap_reg_range(AXP806_PWR_OUT_CTRL1, AXP806_CLDO3_V_CTRL),
 137         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ2_EN),
 138         regmap_reg_range(AXP20X_IRQ1_STATE, AXP20X_IRQ2_STATE),
 139         regmap_reg_range(AXP806_REG_ADDR_EXT, AXP806_REG_ADDR_EXT),
 140 };
 141
 142 static const struct regmap_range axp806_volatile_ranges[] = {
 143         regmap_reg_range(AXP20X_IRQ1_STATE, AXP20X_IRQ2_STATE),
 144 };
 145
 146 static const struct regmap_access_table axp806_writeable_table = {
 147         .yes_ranges     = axp806_writeable_ranges,
 148         .n_yes_ranges   = ARRAY_SIZE(axp806_writeable_ranges),
 149 };
 150
 151 static const struct regmap_access_table axp806_volatile_table = {
 152         .yes_ranges     = axp806_volatile_ranges,
 153         .n_yes_ranges   = ARRAY_SIZE(axp806_volatile_ranges),
 154 };
 155
 156 static struct resource axp152_pek_resources[] = {
 157         DEFINE_RES_IRQ_NAMED(AXP152_IRQ_PEK_RIS_EDGE, "PEK_DBR"),
 158         DEFINE_RES_IRQ_NAMED(AXP152_IRQ_PEK_FAL_EDGE, "PEK_DBF"),
 159 };
 160
 161 static struct resource axp20x_ac_power_supply_resources[] = {
 162         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_ACIN_PLUGIN, "ACIN_PLUGIN"),
 163         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_ACIN_REMOVAL, "ACIN_REMOVAL"),
 164         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_ACIN_OVER_V, "ACIN_OVER_V"),
 165 };
 166
 167 static struct resource axp20x_pek_resources[] = {
 168         {
 169                 .name   = "PEK_DBR",
 170                 .start  = AXP20X_IRQ_PEK_RIS_EDGE,
 171                 .end    = AXP20X_IRQ_PEK_RIS_EDGE,
 172                 .flags  = IORESOURCE_IRQ,
 173         }, {
 174                 .name   = "PEK_DBF",
 175                 .start  = AXP20X_IRQ_PEK_FAL_EDGE,
 176                 .end    = AXP20X_IRQ_PEK_FAL_EDGE,
 177                 .flags  = IORESOURCE_IRQ,
 178         },
 179 };
 180
 181 static struct resource axp20x_usb_power_supply_resources[] = {
 182         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"),
 183         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"),
 184         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_VALID, "VBUS_VALID"),
 185         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_NOT_VALID, "VBUS_NOT_VALID"),
 186 };
 187
 188 static struct resource axp22x_usb_power_supply_resources[] = {
 189         DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"),
 190         DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"),
 191 };
 192
 193 static struct resource axp22x_pek_resources[] = {
 194         {
 195                 .name   = "PEK_DBR",
 196                 .start  = AXP22X_IRQ_PEK_RIS_EDGE,
 197                 .end    = AXP22X_IRQ_PEK_RIS_EDGE,
 198                 .flags  = IORESOURCE_IRQ,
 199         }, {
 200                 .name   = "PEK_DBF",
 201                 .start  = AXP22X_IRQ_PEK_FAL_EDGE,
 202                 .end    = AXP22X_IRQ_PEK_FAL_EDGE,
 203                 .flags  = IORESOURCE_IRQ,
 204         },
 205 };
 206
 207 static struct resource axp288_power_button_resources[] = {
 208         {
 209                 .name   = "PEK_DBR",
 210                 .start  = AXP288_IRQ_POKN,
 211                 .end    = AXP288_IRQ_POKN,
 212                 .flags  = IORESOURCE_IRQ,
 213         },
 214         {
 215                 .name   = "PEK_DBF",
 216                 .start  = AXP288_IRQ_POKP,
 217                 .end    = AXP288_IRQ_POKP,
 218                 .flags  = IORESOURCE_IRQ,
 219         },
 220 };
 221
 222 static struct resource axp288_fuel_gauge_resources[] = {
 223         {
 224                 .start = AXP288_IRQ_QWBTU,
 225                 .end   = AXP288_IRQ_QWBTU,
 226                 .flags = IORESOURCE_IRQ,
 227         },
 228         {
 229                 .start = AXP288_IRQ_WBTU,
 230                 .end   = AXP288_IRQ_WBTU,
 231                 .flags = IORESOURCE_IRQ,
 232         },
 233         {
 234                 .start = AXP288_IRQ_QWBTO,
 235                 .end   = AXP288_IRQ_QWBTO,
 236                 .flags = IORESOURCE_IRQ,
 237         },
 238         {
 239                 .start = AXP288_IRQ_WBTO,
 240                 .end   = AXP288_IRQ_WBTO,
 241                 .flags = IORESOURCE_IRQ,
 242         },
 243         {
 244                 .start = AXP288_IRQ_WL2,
 245                 .end   = AXP288_IRQ_WL2,
 246                 .flags = IORESOURCE_IRQ,
 247         },
 248         {
 249                 .start = AXP288_IRQ_WL1,
 250                 .end   = AXP288_IRQ_WL1,
 251                 .flags = IORESOURCE_IRQ,
 252         },
 253 };
 254
 255 static struct resource axp809_pek_resources[] = {
 256         {
 257                 .name   = "PEK_DBR",
 258                 .start  = AXP809_IRQ_PEK_RIS_EDGE,
 259                 .end    = AXP809_IRQ_PEK_RIS_EDGE,
 260                 .flags  = IORESOURCE_IRQ,
 261         }, {
 262                 .name   = "PEK_DBF",
 263                 .start  = AXP809_IRQ_PEK_FAL_EDGE,
 264                 .end    = AXP809_IRQ_PEK_FAL_EDGE,
 265                 .flags  = IORESOURCE_IRQ,
 266         },
 267 };
 268
 269 static const struct regmap_config axp152_regmap_config = {
 270         .reg_bits       = 8,
 271         .val_bits       = 8,
 272         .wr_table       = &axp152_writeable_table,
 273         .volatile_table = &axp152_volatile_table,
 274         .max_register   = AXP152_PWM1_DUTY_CYCLE,
 275         .cache_type     = REGCACHE_RBTREE,
 276 };
 277
 278 static const struct regmap_config axp20x_regmap_config = {
 279         .reg_bits       = 8,
 280         .val_bits       = 8,
 281         .wr_table       = &axp20x_writeable_table,
 282         .volatile_table = &axp20x_volatile_table,
 283         .max_register   = AXP20X_OCV(AXP20X_OCV_MAX),
 284         .cache_type     = REGCACHE_RBTREE,
 285 };
 286
 287 static const struct regmap_config axp22x_regmap_config = {
 288         .reg_bits       = 8,
 289         .val_bits       = 8,
 290         .wr_table       = &axp22x_writeable_table,
 291         .volatile_table = &axp22x_volatile_table,
 292         .max_register   = AXP22X_BATLOW_THRES1,
 293         .cache_type     = REGCACHE_RBTREE,
 294 };
 295
 296 static const struct regmap_config axp288_regmap_config = {
 297         .reg_bits       = 8,
 298         .val_bits       = 8,
 299         .wr_table       = &axp288_writeable_table,
 300         .volatile_table = &axp288_volatile_table,
 301         .max_register   = AXP288_FG_TUNE5,
 302         .cache_type     = REGCACHE_RBTREE,
 303 };
 304
 305 static const struct regmap_config axp806_regmap_config = {
 306         .reg_bits       = 8,
 307         .val_bits       = 8,
 308         .wr_table       = &axp806_writeable_table,
 309         .volatile_table = &axp806_volatile_table,
 310         .max_register   = AXP806_REG_ADDR_EXT,
 311         .cache_type     = REGCACHE_RBTREE,
 312 };
 313
 314 #define INIT_REGMAP_IRQ(_variant, _irq, _off, _mask)                    \
 315         [_variant##_IRQ_##_irq] = { .reg_offset = (_off), .mask = BIT(_mask) }
 316
 317 static const struct regmap_irq axp152_regmap_irqs[] = {
 318         INIT_REGMAP_IRQ(AXP152, LDO0IN_CONNECT,         0, 6),
 319         INIT_REGMAP_IRQ(AXP152, LDO0IN_REMOVAL,         0, 5),
 320         INIT_REGMAP_IRQ(AXP152, ALDO0IN_CONNECT,        0, 3),
 321         INIT_REGMAP_IRQ(AXP152, ALDO0IN_REMOVAL,        0, 2),
 322         INIT_REGMAP_IRQ(AXP152, DCDC1_V_LOW,            1, 5),
 323         INIT_REGMAP_IRQ(AXP152, DCDC2_V_LOW,            1, 4),
 324         INIT_REGMAP_IRQ(AXP152, DCDC3_V_LOW,            1, 3),
 325         INIT_REGMAP_IRQ(AXP152, DCDC4_V_LOW,            1, 2),
 326         INIT_REGMAP_IRQ(AXP152, PEK_SHORT,              1, 1),
 327         INIT_REGMAP_IRQ(AXP152, PEK_LONG,               1, 0),
 328         INIT_REGMAP_IRQ(AXP152, TIMER,                  2, 7),
 329         INIT_REGMAP_IRQ(AXP152, PEK_RIS_EDGE,           2, 6),
 330         INIT_REGMAP_IRQ(AXP152, PEK_FAL_EDGE,           2, 5),
 331         INIT_REGMAP_IRQ(AXP152, GPIO3_INPUT,            2, 3),
 332         INIT_REGMAP_IRQ(AXP152, GPIO2_INPUT,            2, 2),
 333         INIT_REGMAP_IRQ(AXP152, GPIO1_INPUT,            2, 1),
 334         INIT_REGMAP_IRQ(AXP152, GPIO0_INPUT,            2, 0),
 335 };
 336
 337 static const struct regmap_irq axp20x_regmap_irqs[] = {
 338         INIT_REGMAP_IRQ(AXP20X, ACIN_OVER_V,            0, 7),
 339         INIT_REGMAP_IRQ(AXP20X, ACIN_PLUGIN,            0, 6),
 340         INIT_REGMAP_IRQ(AXP20X, ACIN_REMOVAL,           0, 5),
 341         INIT_REGMAP_IRQ(AXP20X, VBUS_OVER_V,            0, 4),
 342         INIT_REGMAP_IRQ(AXP20X, VBUS_PLUGIN,            0, 3),
 343         INIT_REGMAP_IRQ(AXP20X, VBUS_REMOVAL,           0, 2),
 344         INIT_REGMAP_IRQ(AXP20X, VBUS_V_LOW,             0, 1),
 345         INIT_REGMAP_IRQ(AXP20X, BATT_PLUGIN,            1, 7),
 346         INIT_REGMAP_IRQ(AXP20X, BATT_REMOVAL,           1, 6),
 347         INIT_REGMAP_IRQ(AXP20X, BATT_ENT_ACT_MODE,      1, 5),
 348         INIT_REGMAP_IRQ(AXP20X, BATT_EXIT_ACT_MODE,     1, 4),
 349         INIT_REGMAP_IRQ(AXP20X, CHARG,                  1, 3),
 350         INIT_REGMAP_IRQ(AXP20X, CHARG_DONE,             1, 2),
 351         INIT_REGMAP_IRQ(AXP20X, BATT_TEMP_HIGH,         1, 1),
 352         INIT_REGMAP_IRQ(AXP20X, BATT_TEMP_LOW,          1, 0),
 353         INIT_REGMAP_IRQ(AXP20X, DIE_TEMP_HIGH,          2, 7),
 354         INIT_REGMAP_IRQ(AXP20X, CHARG_I_LOW,            2, 6),
 355         INIT_REGMAP_IRQ(AXP20X, DCDC1_V_LONG,           2, 5),
 356         INIT_REGMAP_IRQ(AXP20X, DCDC2_V_LONG,           2, 4),
 357         INIT_REGMAP_IRQ(AXP20X, DCDC3_V_LONG,           2, 3),
 358         INIT_REGMAP_IRQ(AXP20X, PEK_SHORT,              2, 1),
 359         INIT_REGMAP_IRQ(AXP20X, PEK_LONG,               2, 0),
 360         INIT_REGMAP_IRQ(AXP20X, N_OE_PWR_ON,            3, 7),
 361         INIT_REGMAP_IRQ(AXP20X, N_OE_PWR_OFF,           3, 6),
 362         INIT_REGMAP_IRQ(AXP20X, VBUS_VALID,             3, 5),
 363         INIT_REGMAP_IRQ(AXP20X, VBUS_NOT_VALID,         3, 4),
 364         INIT_REGMAP_IRQ(AXP20X, VBUS_SESS_VALID,        3, 3),
 365         INIT_REGMAP_IRQ(AXP20X, VBUS_SESS_END,          3, 2),
 366         INIT_REGMAP_IRQ(AXP20X, LOW_PWR_LVL1,           3, 1),
 367         INIT_REGMAP_IRQ(AXP20X, LOW_PWR_LVL2,           3, 0),
 368         INIT_REGMAP_IRQ(AXP20X, TIMER,                  4, 7),
 369         INIT_REGMAP_IRQ(AXP20X, PEK_RIS_EDGE,           4, 6),
 370         INIT_REGMAP_IRQ(AXP20X, PEK_FAL_EDGE,           4, 5),
 371         INIT_REGMAP_IRQ(AXP20X, GPIO3_INPUT,            4, 3),
 372         INIT_REGMAP_IRQ(AXP20X, GPIO2_INPUT,            4, 2),
 373         INIT_REGMAP_IRQ(AXP20X, GPIO1_INPUT,            4, 1),
 374         INIT_REGMAP_IRQ(AXP20X, GPIO0_INPUT,            4, 0),
 375 };
 376
 377 static const struct regmap_irq axp22x_regmap_irqs[] = {
 378         INIT_REGMAP_IRQ(AXP22X, ACIN_OVER_V,            0, 7),
 379         INIT_REGMAP_IRQ(AXP22X, ACIN_PLUGIN,            0, 6),
 380         INIT_REGMAP_IRQ(AXP22X, ACIN_REMOVAL,           0, 5),
 381         INIT_REGMAP_IRQ(AXP22X, VBUS_OVER_V,            0, 4),
 382         INIT_REGMAP_IRQ(AXP22X, VBUS_PLUGIN,            0, 3),
 383         INIT_REGMAP_IRQ(AXP22X, VBUS_REMOVAL,           0, 2),
 384         INIT_REGMAP_IRQ(AXP22X, VBUS_V_LOW,             0, 1),
 385         INIT_REGMAP_IRQ(AXP22X, BATT_PLUGIN,            1, 7),
 386         INIT_REGMAP_IRQ(AXP22X, BATT_REMOVAL,           1, 6),
 387         INIT_REGMAP_IRQ(AXP22X, BATT_ENT_ACT_MODE,      1, 5),
 388         INIT_REGMAP_IRQ(AXP22X, BATT_EXIT_ACT_MODE,     1, 4),
 389         INIT_REGMAP_IRQ(AXP22X, CHARG,                  1, 3),
 390         INIT_REGMAP_IRQ(AXP22X, CHARG_DONE,             1, 2),
 391         INIT_REGMAP_IRQ(AXP22X, BATT_TEMP_HIGH,         1, 1),
 392         INIT_REGMAP_IRQ(AXP22X, BATT_TEMP_LOW,          1, 0),
 393         INIT_REGMAP_IRQ(AXP22X, DIE_TEMP_HIGH,          2, 7),
 394         INIT_REGMAP_IRQ(AXP22X, PEK_SHORT,              2, 1),
 395         INIT_REGMAP_IRQ(AXP22X, PEK_LONG,               2, 0),
 396         INIT_REGMAP_IRQ(AXP22X, LOW_PWR_LVL1,           3, 1),
 397         INIT_REGMAP_IRQ(AXP22X, LOW_PWR_LVL2,           3, 0),
 398         INIT_REGMAP_IRQ(AXP22X, TIMER,                  4, 7),
 399         INIT_REGMAP_IRQ(AXP22X, PEK_RIS_EDGE,           4, 6),
 400         INIT_REGMAP_IRQ(AXP22X, PEK_FAL_EDGE,           4, 5),
 401         INIT_REGMAP_IRQ(AXP22X, GPIO1_INPUT,            4, 1),
 402         INIT_REGMAP_IRQ(AXP22X, GPIO0_INPUT,            4, 0),
 403 };
 404
 405 /* some IRQs are compatible with axp20x models */
 406 static const struct regmap_irq axp288_regmap_irqs[] = {
 407         INIT_REGMAP_IRQ(AXP288, VBUS_FALL,              0, 2),
 408         INIT_REGMAP_IRQ(AXP288, VBUS_RISE,              0, 3),
 409         INIT_REGMAP_IRQ(AXP288, OV,                     0, 4),
 410
 411         INIT_REGMAP_IRQ(AXP288, DONE,                   1, 2),
 412         INIT_REGMAP_IRQ(AXP288, CHARGING,               1, 3),
 413         INIT_REGMAP_IRQ(AXP288, SAFE_QUIT,              1, 4),
 414         INIT_REGMAP_IRQ(AXP288, SAFE_ENTER,             1, 5),
 415         INIT_REGMAP_IRQ(AXP288, ABSENT,                 1, 6),
 416         INIT_REGMAP_IRQ(AXP288, APPEND,                 1, 7),
 417
 418         INIT_REGMAP_IRQ(AXP288, QWBTU,                  2, 0),
 419         INIT_REGMAP_IRQ(AXP288, WBTU,                   2, 1),
 420         INIT_REGMAP_IRQ(AXP288, QWBTO,                  2, 2),
 421         INIT_REGMAP_IRQ(AXP288, WBTO,                   2, 3),
 422         INIT_REGMAP_IRQ(AXP288, QCBTU,                  2, 4),
 423         INIT_REGMAP_IRQ(AXP288, CBTU,                   2, 5),
 424         INIT_REGMAP_IRQ(AXP288, QCBTO,                  2, 6),
 425         INIT_REGMAP_IRQ(AXP288, CBTO,                   2, 7),
 426
 427         INIT_REGMAP_IRQ(AXP288, WL2,                    3, 0),
 428         INIT_REGMAP_IRQ(AXP288, WL1,                    3, 1),
 429         INIT_REGMAP_IRQ(AXP288, GPADC,                  3, 2),
 430         INIT_REGMAP_IRQ(AXP288, OT,                     3, 7),
 431
 432         INIT_REGMAP_IRQ(AXP288, GPIO0,                  4, 0),
 433         INIT_REGMAP_IRQ(AXP288, GPIO1,                  4, 1),
 434         INIT_REGMAP_IRQ(AXP288, POKO,                   4, 2),
 435         INIT_REGMAP_IRQ(AXP288, POKL,                   4, 3),
 436         INIT_REGMAP_IRQ(AXP288, POKS,                   4, 4),
 437         INIT_REGMAP_IRQ(AXP288, POKN,                   4, 5),
 438         INIT_REGMAP_IRQ(AXP288, POKP,                   4, 6),
 439         INIT_REGMAP_IRQ(AXP288, TIMER,                  4, 7),
 440
 441         INIT_REGMAP_IRQ(AXP288, MV_CHNG,                5, 0),
 442         INIT_REGMAP_IRQ(AXP288, BC_USB_CHNG,            5, 1),
 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, PWROK_LONG,             1, 0),
 454         INIT_REGMAP_IRQ(AXP806, PWROK_SHORT,            1, 1),
 455         INIT_REGMAP_IRQ(AXP806, WAKEUP,                 1, 4),
 456         INIT_REGMAP_IRQ(AXP806, PWROK_FALL,             1, 5),
 457         INIT_REGMAP_IRQ(AXP806, PWROK_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 axp806_regmap_irq_chip = {
 546         .name                   = "axp806",
 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                   = axp806_regmap_irqs,
 553         .num_irqs               = ARRAY_SIZE(axp806_regmap_irqs),
 554         .num_regs               = 2,
 555 };
 556
 557 static const struct regmap_irq_chip axp809_regmap_irq_chip = {
 558         .name                   = "axp809",
 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                   = axp809_regmap_irqs,
 565         .num_irqs               = ARRAY_SIZE(axp809_regmap_irqs),
 566         .num_regs               = 5,
 567 };
 568
 569 static struct mfd_cell axp20x_cells[] = {
 570         {
 571                 .name           = "axp20x-gpio",
 572                 .of_compatible  = "x-powers,axp209-gpio",
 573         }, {
 574                 .name           = "axp20x-pek",
 575                 .num_resources  = ARRAY_SIZE(axp20x_pek_resources),
 576                 .resources      = axp20x_pek_resources,
 577         }, {
 578                 .name           = "axp20x-regulator",
 579         }, {
 580                 .name           = "axp20x-ac-power-supply",
 581                 .of_compatible  = "x-powers,axp202-ac-power-supply",
 582                 .num_resources  = ARRAY_SIZE(axp20x_ac_power_supply_resources),
 583                 .resources      = axp20x_ac_power_supply_resources,
 584         }, {
 585                 .name           = "axp20x-usb-power-supply",
 586                 .of_compatible  = "x-powers,axp202-usb-power-supply",
 587                 .num_resources  = ARRAY_SIZE(axp20x_usb_power_supply_resources),
 588                 .resources      = axp20x_usb_power_supply_resources,
 589         },
 590 };
 591
 592 static struct mfd_cell axp22x_cells[] = {
 593         {
 594                 .name                   = "axp20x-pek",
 595                 .num_resources          = ARRAY_SIZE(axp22x_pek_resources),
 596                 .resources              = axp22x_pek_resources,
 597         }, {
 598                 .name                   = "axp20x-regulator",
 599         }, {
 600                 .name           = "axp20x-usb-power-supply",
 601                 .of_compatible  = "x-powers,axp221-usb-power-supply",
 602                 .num_resources  = ARRAY_SIZE(axp22x_usb_power_supply_resources),
 603                 .resources      = axp22x_usb_power_supply_resources,
 604         },
 605 };
 606
 607 static struct mfd_cell axp152_cells[] = {
 608         {
 609                 .name                   = "axp20x-pek",
 610                 .num_resources          = ARRAY_SIZE(axp152_pek_resources),
 611                 .resources              = axp152_pek_resources,
 612         },
 613 };
 614
 615 static struct resource axp288_adc_resources[] = {
 616         {
 617                 .name  = "GPADC",
 618                 .start = AXP288_IRQ_GPADC,
 619                 .end   = AXP288_IRQ_GPADC,
 620                 .flags = IORESOURCE_IRQ,
 621         },
 622 };
 623
 624 static struct resource axp288_extcon_resources[] = {
 625         {
 626                 .start = AXP288_IRQ_VBUS_FALL,
 627                 .end   = AXP288_IRQ_VBUS_FALL,
 628                 .flags = IORESOURCE_IRQ,
 629         },
 630         {
 631                 .start = AXP288_IRQ_VBUS_RISE,
 632                 .end   = AXP288_IRQ_VBUS_RISE,
 633                 .flags = IORESOURCE_IRQ,
 634         },
 635         {
 636                 .start = AXP288_IRQ_MV_CHNG,
 637                 .end   = AXP288_IRQ_MV_CHNG,
 638                 .flags = IORESOURCE_IRQ,
 639         },
 640         {
 641                 .start = AXP288_IRQ_BC_USB_CHNG,
 642                 .end   = AXP288_IRQ_BC_USB_CHNG,
 643                 .flags = IORESOURCE_IRQ,
 644         },
 645 };
 646
 647 static struct resource axp288_charger_resources[] = {
 648         {
 649                 .start = AXP288_IRQ_OV,
 650                 .end   = AXP288_IRQ_OV,
 651                 .flags = IORESOURCE_IRQ,
 652         },
 653         {
 654                 .start = AXP288_IRQ_DONE,
 655                 .end   = AXP288_IRQ_DONE,
 656                 .flags = IORESOURCE_IRQ,
 657         },
 658         {
 659                 .start = AXP288_IRQ_CHARGING,
 660                 .end   = AXP288_IRQ_CHARGING,
 661                 .flags = IORESOURCE_IRQ,
 662         },
 663         {
 664                 .start = AXP288_IRQ_SAFE_QUIT,
 665                 .end   = AXP288_IRQ_SAFE_QUIT,
 666                 .flags = IORESOURCE_IRQ,
 667         },
 668         {
 669                 .start = AXP288_IRQ_SAFE_ENTER,
 670                 .end   = AXP288_IRQ_SAFE_ENTER,
 671                 .flags = IORESOURCE_IRQ,
 672         },
 673         {
 674                 .start = AXP288_IRQ_QCBTU,
 675                 .end   = AXP288_IRQ_QCBTU,
 676                 .flags = IORESOURCE_IRQ,
 677         },
 678         {
 679                 .start = AXP288_IRQ_CBTU,
 680                 .end   = AXP288_IRQ_CBTU,
 681                 .flags = IORESOURCE_IRQ,
 682         },
 683         {
 684                 .start = AXP288_IRQ_QCBTO,
 685                 .end   = AXP288_IRQ_QCBTO,
 686                 .flags = IORESOURCE_IRQ,
 687         },
 688         {
 689                 .start = AXP288_IRQ_CBTO,
 690                 .end   = AXP288_IRQ_CBTO,
 691                 .flags = IORESOURCE_IRQ,
 692         },
 693 };
 694
 695 static struct mfd_cell axp288_cells[] = {
 696         {
 697                 .name = "axp288_adc",
 698                 .num_resources = ARRAY_SIZE(axp288_adc_resources),
 699                 .resources = axp288_adc_resources,
 700         },
 701         {
 702                 .name = "axp288_extcon",
 703                 .num_resources = ARRAY_SIZE(axp288_extcon_resources),
 704                 .resources = axp288_extcon_resources,
 705         },
 706         {
 707                 .name = "axp288_charger",
 708                 .num_resources = ARRAY_SIZE(axp288_charger_resources),
 709                 .resources = axp288_charger_resources,
 710         },
 711         {
 712                 .name = "axp288_fuel_gauge",
 713                 .num_resources = ARRAY_SIZE(axp288_fuel_gauge_resources),
 714                 .resources = axp288_fuel_gauge_resources,
 715         },
 716         {
 717                 .name = "axp20x-pek",
 718                 .num_resources = ARRAY_SIZE(axp288_power_button_resources),
 719                 .resources = axp288_power_button_resources,
 720         },
 721         {
 722                 .name = "axp288_pmic_acpi",
 723         },
 724 };
 725
 726 static struct mfd_cell axp806_cells[] = {
 727         {
 728                 .id                     = 2,
 729                 .name                   = "axp20x-regulator",
 730         },
 731 };
 732
 733 static struct mfd_cell axp809_cells[] = {
 734         {
 735                 .name                   = "axp20x-pek",
 736                 .num_resources          = ARRAY_SIZE(axp809_pek_resources),
 737                 .resources              = axp809_pek_resources,
 738         }, {
 739                 .id                     = 1,
 740                 .name                   = "axp20x-regulator",
 741         },
 742 };
 743
 744 static struct axp20x_dev *axp20x_pm_power_off;
 745 static void axp20x_power_off(void)
 746 {
 747         if (axp20x_pm_power_off->variant == AXP288_ID)
 748                 return;
 749
 750         regmap_write(axp20x_pm_power_off->regmap, AXP20X_OFF_CTRL,
 751                      AXP20X_OFF);
 752
 753         /* Give capacitors etc. time to drain to avoid kernel panic msg. */
 754         msleep(500);
 755 }
 756
 757 int axp20x_match_device(struct axp20x_dev *axp20x)
 758 {
 759         struct device *dev = axp20x->dev;
 760         const struct acpi_device_id *acpi_id;
 761         const struct of_device_id *of_id;
 762
 763         if (dev->of_node) {
 764                 of_id = of_match_device(dev->driver->of_match_table, dev);
 765                 if (!of_id) {
 766                         dev_err(dev, "Unable to match OF ID\n");
 767                         return -ENODEV;
 768                 }
 769                 axp20x->variant = (long)of_id->data;
 770         } else {
 771                 acpi_id = acpi_match_device(dev->driver->acpi_match_table, dev);
 772                 if (!acpi_id || !acpi_id->driver_data) {
 773                         dev_err(dev, "Unable to match ACPI ID and data\n");
 774                         return -ENODEV;
 775                 }
 776                 axp20x->variant = (long)acpi_id->driver_data;
 777         }
 778
 779         switch (axp20x->variant) {
 780         case AXP152_ID:
 781                 axp20x->nr_cells = ARRAY_SIZE(axp152_cells);
 782                 axp20x->cells = axp152_cells;
 783                 axp20x->regmap_cfg = &axp152_regmap_config;
 784                 axp20x->regmap_irq_chip = &axp152_regmap_irq_chip;
 785                 break;
 786         case AXP202_ID:
 787         case AXP209_ID:
 788                 axp20x->nr_cells = ARRAY_SIZE(axp20x_cells);
 789                 axp20x->cells = axp20x_cells;
 790                 axp20x->regmap_cfg = &axp20x_regmap_config;
 791                 axp20x->regmap_irq_chip = &axp20x_regmap_irq_chip;
 792                 break;
 793         case AXP221_ID:
 794         case AXP223_ID:
 795                 axp20x->nr_cells = ARRAY_SIZE(axp22x_cells);
 796                 axp20x->cells = axp22x_cells;
 797                 axp20x->regmap_cfg = &axp22x_regmap_config;
 798                 axp20x->regmap_irq_chip = &axp22x_regmap_irq_chip;
 799                 break;
 800         case AXP288_ID:
 801                 axp20x->cells = axp288_cells;
 802                 axp20x->nr_cells = ARRAY_SIZE(axp288_cells);
 803                 axp20x->regmap_cfg = &axp288_regmap_config;
 804                 axp20x->regmap_irq_chip = &axp288_regmap_irq_chip;
 805                 break;
 806         case AXP806_ID:
 807                 axp20x->nr_cells = ARRAY_SIZE(axp806_cells);
 808                 axp20x->cells = axp806_cells;
 809                 axp20x->regmap_cfg = &axp806_regmap_config;
 810                 axp20x->regmap_irq_chip = &axp806_regmap_irq_chip;
 811                 break;
 812         case AXP809_ID:
 813                 axp20x->nr_cells = ARRAY_SIZE(axp809_cells);
 814                 axp20x->cells = axp809_cells;
 815                 axp20x->regmap_cfg = &axp22x_regmap_config;
 816                 axp20x->regmap_irq_chip = &axp809_regmap_irq_chip;
 817                 break;
 818         default:
 819                 dev_err(dev, "unsupported AXP20X ID %lu\n", axp20x->variant);
 820                 return -EINVAL;
 821         }
 822         dev_info(dev, "AXP20x variant %s found\n",
 823                  axp20x_model_names[axp20x->variant]);
 824
 825         return 0;
 826 }
 827 EXPORT_SYMBOL(axp20x_match_device);
 828
 829 int axp20x_device_probe(struct axp20x_dev *axp20x)
 830 {
 831         int ret;
 832
 833         ret = regmap_add_irq_chip(axp20x->regmap, axp20x->irq,
 834                                   IRQF_ONESHOT | IRQF_SHARED, -1,
 835                                   axp20x->regmap_irq_chip,
 836                                   &axp20x->regmap_irqc);
 837         if (ret) {
 838                 dev_err(axp20x->dev, "failed to add irq chip: %d\n", ret);
 839                 return ret;
 840         }
 841
 842         ret = mfd_add_devices(axp20x->dev, -1, axp20x->cells,
 843                               axp20x->nr_cells, NULL, 0, NULL);
 844
 845         if (ret) {
 846                 dev_err(axp20x->dev, "failed to add MFD devices: %d\n", ret);
 847                 regmap_del_irq_chip(axp20x->irq, axp20x->regmap_irqc);
 848                 return ret;
 849         }
 850
 851         if (!pm_power_off) {
 852                 axp20x_pm_power_off = axp20x;
 853                 pm_power_off = axp20x_power_off;
 854         }
 855
 856         dev_info(axp20x->dev, "AXP20X driver loaded\n");
 857
 858         return 0;
 859 }
 860 EXPORT_SYMBOL(axp20x_device_probe);
 861
 862 int axp20x_device_remove(struct axp20x_dev *axp20x)
 863 {
 864         if (axp20x == axp20x_pm_power_off) {
 865                 axp20x_pm_power_off = NULL;
 866                 pm_power_off = NULL;
 867         }
 868
 869         mfd_remove_devices(axp20x->dev);
 870         regmap_del_irq_chip(axp20x->irq, axp20x->regmap_irqc);
 871
 872         return 0;
 873 }
 874 EXPORT_SYMBOL(axp20x_device_remove);
 875
 876 MODULE_DESCRIPTION("PMIC MFD core driver for AXP20X");
 877 MODULE_AUTHOR("Carlo Caione <carlo@caione.org>");
 878 MODULE_LICENSE("GPL");