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(AXP20X_FG_RES, AXP20X_FG_RES),
 102 };
 103
 104 static const struct regmap_access_table axp22x_writeable_table = {
 105         .yes_ranges     = axp22x_writeable_ranges,
 106         .n_yes_ranges   = ARRAY_SIZE(axp22x_writeable_ranges),
 107 };
 108
 109 static const struct regmap_access_table axp22x_volatile_table = {
 110         .yes_ranges     = axp22x_volatile_ranges,
 111         .n_yes_ranges   = ARRAY_SIZE(axp22x_volatile_ranges),
 112 };
 113
 114 static const struct regmap_range axp288_writeable_ranges[] = {
 115         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ6_STATE),
 116         regmap_reg_range(AXP20X_DCDC_MODE, AXP288_FG_TUNE5),
 117 };
 118
 119 static const struct regmap_range axp288_volatile_ranges[] = {
 120         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IPSOUT_V_HIGH_L),
 121 };
 122
 123 static const struct regmap_access_table axp288_writeable_table = {
 124         .yes_ranges     = axp288_writeable_ranges,
 125         .n_yes_ranges   = ARRAY_SIZE(axp288_writeable_ranges),
 126 };
 127
 128 static const struct regmap_access_table axp288_volatile_table = {
 129         .yes_ranges     = axp288_volatile_ranges,
 130         .n_yes_ranges   = ARRAY_SIZE(axp288_volatile_ranges),
 131 };
 132
 133 static const struct regmap_range axp806_writeable_ranges[] = {
 134         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_DATACACHE(3)),
 135         regmap_reg_range(AXP806_PWR_OUT_CTRL1, AXP806_CLDO3_V_CTRL),
 136         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ2_EN),
 137         regmap_reg_range(AXP20X_IRQ1_STATE, AXP20X_IRQ2_STATE),
 138 };
 139
 140 static const struct regmap_range axp806_volatile_ranges[] = {
 141         regmap_reg_range(AXP20X_IRQ1_STATE, AXP20X_IRQ2_STATE),
 142 };
 143
 144 static const struct regmap_access_table axp806_writeable_table = {
 145         .yes_ranges     = axp806_writeable_ranges,
 146         .n_yes_ranges   = ARRAY_SIZE(axp806_writeable_ranges),
 147 };
 148
 149 static const struct regmap_access_table axp806_volatile_table = {
 150         .yes_ranges     = axp806_volatile_ranges,
 151         .n_yes_ranges   = ARRAY_SIZE(axp806_volatile_ranges),
 152 };
 153
 154 static struct resource axp152_pek_resources[] = {
 155         DEFINE_RES_IRQ_NAMED(AXP152_IRQ_PEK_RIS_EDGE, "PEK_DBR"),
 156         DEFINE_RES_IRQ_NAMED(AXP152_IRQ_PEK_FAL_EDGE, "PEK_DBF"),
 157 };
 158
 159 static struct resource axp20x_ac_power_supply_resources[] = {
 160         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_ACIN_PLUGIN, "ACIN_PLUGIN"),
 161         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_ACIN_REMOVAL, "ACIN_REMOVAL"),
 162         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_ACIN_OVER_V, "ACIN_OVER_V"),
 163 };
 164
 165 static struct resource axp20x_pek_resources[] = {
 166         {
 167                 .name   = "PEK_DBR",
 168                 .start  = AXP20X_IRQ_PEK_RIS_EDGE,
 169                 .end    = AXP20X_IRQ_PEK_RIS_EDGE,
 170                 .flags  = IORESOURCE_IRQ,
 171         }, {
 172                 .name   = "PEK_DBF",
 173                 .start  = AXP20X_IRQ_PEK_FAL_EDGE,
 174                 .end    = AXP20X_IRQ_PEK_FAL_EDGE,
 175                 .flags  = IORESOURCE_IRQ,
 176         },
 177 };
 178
 179 static struct resource axp20x_usb_power_supply_resources[] = {
 180         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"),
 181         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"),
 182         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_VALID, "VBUS_VALID"),
 183         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_NOT_VALID, "VBUS_NOT_VALID"),
 184 };
 185
 186 static struct resource axp22x_usb_power_supply_resources[] = {
 187         DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"),
 188         DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"),
 189 };
 190
 191 static struct resource axp22x_pek_resources[] = {
 192         {
 193                 .name   = "PEK_DBR",
 194                 .start  = AXP22X_IRQ_PEK_RIS_EDGE,
 195                 .end    = AXP22X_IRQ_PEK_RIS_EDGE,
 196                 .flags  = IORESOURCE_IRQ,
 197         }, {
 198                 .name   = "PEK_DBF",
 199                 .start  = AXP22X_IRQ_PEK_FAL_EDGE,
 200                 .end    = AXP22X_IRQ_PEK_FAL_EDGE,
 201                 .flags  = IORESOURCE_IRQ,
 202         },
 203 };
 204
 205 static struct resource axp288_power_button_resources[] = {
 206         {
 207                 .name   = "PEK_DBR",
 208                 .start  = AXP288_IRQ_POKN,
 209                 .end    = AXP288_IRQ_POKN,
 210                 .flags  = IORESOURCE_IRQ,
 211         },
 212         {
 213                 .name   = "PEK_DBF",
 214                 .start  = AXP288_IRQ_POKP,
 215                 .end    = AXP288_IRQ_POKP,
 216                 .flags  = IORESOURCE_IRQ,
 217         },
 218 };
 219
 220 static struct resource axp288_fuel_gauge_resources[] = {
 221         {
 222                 .start = AXP288_IRQ_QWBTU,
 223                 .end   = AXP288_IRQ_QWBTU,
 224                 .flags = IORESOURCE_IRQ,
 225         },
 226         {
 227                 .start = AXP288_IRQ_WBTU,
 228                 .end   = AXP288_IRQ_WBTU,
 229                 .flags = IORESOURCE_IRQ,
 230         },
 231         {
 232                 .start = AXP288_IRQ_QWBTO,
 233                 .end   = AXP288_IRQ_QWBTO,
 234                 .flags = IORESOURCE_IRQ,
 235         },
 236         {
 237                 .start = AXP288_IRQ_WBTO,
 238                 .end   = AXP288_IRQ_WBTO,
 239                 .flags = IORESOURCE_IRQ,
 240         },
 241         {
 242                 .start = AXP288_IRQ_WL2,
 243                 .end   = AXP288_IRQ_WL2,
 244                 .flags = IORESOURCE_IRQ,
 245         },
 246         {
 247                 .start = AXP288_IRQ_WL1,
 248                 .end   = AXP288_IRQ_WL1,
 249                 .flags = IORESOURCE_IRQ,
 250         },
 251 };
 252
 253 static struct resource axp809_pek_resources[] = {
 254         {
 255                 .name   = "PEK_DBR",
 256                 .start  = AXP809_IRQ_PEK_RIS_EDGE,
 257                 .end    = AXP809_IRQ_PEK_RIS_EDGE,
 258                 .flags  = IORESOURCE_IRQ,
 259         }, {
 260                 .name   = "PEK_DBF",
 261                 .start  = AXP809_IRQ_PEK_FAL_EDGE,
 262                 .end    = AXP809_IRQ_PEK_FAL_EDGE,
 263                 .flags  = IORESOURCE_IRQ,
 264         },
 265 };
 266
 267 static const struct regmap_config axp152_regmap_config = {
 268         .reg_bits       = 8,
 269         .val_bits       = 8,
 270         .wr_table       = &axp152_writeable_table,
 271         .volatile_table = &axp152_volatile_table,
 272         .max_register   = AXP152_PWM1_DUTY_CYCLE,
 273         .cache_type     = REGCACHE_RBTREE,
 274 };
 275
 276 static const struct regmap_config axp20x_regmap_config = {
 277         .reg_bits       = 8,
 278         .val_bits       = 8,
 279         .wr_table       = &axp20x_writeable_table,
 280         .volatile_table = &axp20x_volatile_table,
 281         .max_register   = AXP20X_OCV(AXP20X_OCV_MAX),
 282         .cache_type     = REGCACHE_RBTREE,
 283 };
 284
 285 static const struct regmap_config axp22x_regmap_config = {
 286         .reg_bits       = 8,
 287         .val_bits       = 8,
 288         .wr_table       = &axp22x_writeable_table,
 289         .volatile_table = &axp22x_volatile_table,
 290         .max_register   = AXP22X_BATLOW_THRES1,
 291         .cache_type     = REGCACHE_RBTREE,
 292 };
 293
 294 static const struct regmap_config axp288_regmap_config = {
 295         .reg_bits       = 8,
 296         .val_bits       = 8,
 297         .wr_table       = &axp288_writeable_table,
 298         .volatile_table = &axp288_volatile_table,
 299         .max_register   = AXP288_FG_TUNE5,
 300         .cache_type     = REGCACHE_RBTREE,
 301 };
 302
 303 static const struct regmap_config axp806_regmap_config = {
 304         .reg_bits       = 8,
 305         .val_bits       = 8,
 306         .wr_table       = &axp806_writeable_table,
 307         .volatile_table = &axp806_volatile_table,
 308         .max_register   = AXP806_VREF_TEMP_WARN_L,
 309         .cache_type     = REGCACHE_RBTREE,
 310 };
 311
 312 #define INIT_REGMAP_IRQ(_variant, _irq, _off, _mask)                    \
 313         [_variant##_IRQ_##_irq] = { .reg_offset = (_off), .mask = BIT(_mask) }
 314
 315 static const struct regmap_irq axp152_regmap_irqs[] = {
 316         INIT_REGMAP_IRQ(AXP152, LDO0IN_CONNECT,         0, 6),
 317         INIT_REGMAP_IRQ(AXP152, LDO0IN_REMOVAL,         0, 5),
 318         INIT_REGMAP_IRQ(AXP152, ALDO0IN_CONNECT,        0, 3),
 319         INIT_REGMAP_IRQ(AXP152, ALDO0IN_REMOVAL,        0, 2),
 320         INIT_REGMAP_IRQ(AXP152, DCDC1_V_LOW,            1, 5),
 321         INIT_REGMAP_IRQ(AXP152, DCDC2_V_LOW,            1, 4),
 322         INIT_REGMAP_IRQ(AXP152, DCDC3_V_LOW,            1, 3),
 323         INIT_REGMAP_IRQ(AXP152, DCDC4_V_LOW,            1, 2),
 324         INIT_REGMAP_IRQ(AXP152, PEK_SHORT,              1, 1),
 325         INIT_REGMAP_IRQ(AXP152, PEK_LONG,               1, 0),
 326         INIT_REGMAP_IRQ(AXP152, TIMER,                  2, 7),
 327         INIT_REGMAP_IRQ(AXP152, PEK_RIS_EDGE,           2, 6),
 328         INIT_REGMAP_IRQ(AXP152, PEK_FAL_EDGE,           2, 5),
 329         INIT_REGMAP_IRQ(AXP152, GPIO3_INPUT,            2, 3),
 330         INIT_REGMAP_IRQ(AXP152, GPIO2_INPUT,            2, 2),
 331         INIT_REGMAP_IRQ(AXP152, GPIO1_INPUT,            2, 1),
 332         INIT_REGMAP_IRQ(AXP152, GPIO0_INPUT,            2, 0),
 333 };
 334
 335 static const struct regmap_irq axp20x_regmap_irqs[] = {
 336         INIT_REGMAP_IRQ(AXP20X, ACIN_OVER_V,            0, 7),
 337         INIT_REGMAP_IRQ(AXP20X, ACIN_PLUGIN,            0, 6),
 338         INIT_REGMAP_IRQ(AXP20X, ACIN_REMOVAL,           0, 5),
 339         INIT_REGMAP_IRQ(AXP20X, VBUS_OVER_V,            0, 4),
 340         INIT_REGMAP_IRQ(AXP20X, VBUS_PLUGIN,            0, 3),
 341         INIT_REGMAP_IRQ(AXP20X, VBUS_REMOVAL,           0, 2),
 342         INIT_REGMAP_IRQ(AXP20X, VBUS_V_LOW,             0, 1),
 343         INIT_REGMAP_IRQ(AXP20X, BATT_PLUGIN,            1, 7),
 344         INIT_REGMAP_IRQ(AXP20X, BATT_REMOVAL,           1, 6),
 345         INIT_REGMAP_IRQ(AXP20X, BATT_ENT_ACT_MODE,      1, 5),
 346         INIT_REGMAP_IRQ(AXP20X, BATT_EXIT_ACT_MODE,     1, 4),
 347         INIT_REGMAP_IRQ(AXP20X, CHARG,                  1, 3),
 348         INIT_REGMAP_IRQ(AXP20X, CHARG_DONE,             1, 2),
 349         INIT_REGMAP_IRQ(AXP20X, BATT_TEMP_HIGH,         1, 1),
 350         INIT_REGMAP_IRQ(AXP20X, BATT_TEMP_LOW,          1, 0),
 351         INIT_REGMAP_IRQ(AXP20X, DIE_TEMP_HIGH,          2, 7),
 352         INIT_REGMAP_IRQ(AXP20X, CHARG_I_LOW,            2, 6),
 353         INIT_REGMAP_IRQ(AXP20X, DCDC1_V_LONG,           2, 5),
 354         INIT_REGMAP_IRQ(AXP20X, DCDC2_V_LONG,           2, 4),
 355         INIT_REGMAP_IRQ(AXP20X, DCDC3_V_LONG,           2, 3),
 356         INIT_REGMAP_IRQ(AXP20X, PEK_SHORT,              2, 1),
 357         INIT_REGMAP_IRQ(AXP20X, PEK_LONG,               2, 0),
 358         INIT_REGMAP_IRQ(AXP20X, N_OE_PWR_ON,            3, 7),
 359         INIT_REGMAP_IRQ(AXP20X, N_OE_PWR_OFF,           3, 6),
 360         INIT_REGMAP_IRQ(AXP20X, VBUS_VALID,             3, 5),
 361         INIT_REGMAP_IRQ(AXP20X, VBUS_NOT_VALID,         3, 4),
 362         INIT_REGMAP_IRQ(AXP20X, VBUS_SESS_VALID,        3, 3),
 363         INIT_REGMAP_IRQ(AXP20X, VBUS_SESS_END,          3, 2),
 364         INIT_REGMAP_IRQ(AXP20X, LOW_PWR_LVL1,           3, 1),
 365         INIT_REGMAP_IRQ(AXP20X, LOW_PWR_LVL2,           3, 0),
 366         INIT_REGMAP_IRQ(AXP20X, TIMER,                  4, 7),
 367         INIT_REGMAP_IRQ(AXP20X, PEK_RIS_EDGE,           4, 6),
 368         INIT_REGMAP_IRQ(AXP20X, PEK_FAL_EDGE,           4, 5),
 369         INIT_REGMAP_IRQ(AXP20X, GPIO3_INPUT,            4, 3),
 370         INIT_REGMAP_IRQ(AXP20X, GPIO2_INPUT,            4, 2),
 371         INIT_REGMAP_IRQ(AXP20X, GPIO1_INPUT,            4, 1),
 372         INIT_REGMAP_IRQ(AXP20X, GPIO0_INPUT,            4, 0),
 373 };
 374
 375 static const struct regmap_irq axp22x_regmap_irqs[] = {
 376         INIT_REGMAP_IRQ(AXP22X, ACIN_OVER_V,            0, 7),
 377         INIT_REGMAP_IRQ(AXP22X, ACIN_PLUGIN,            0, 6),
 378         INIT_REGMAP_IRQ(AXP22X, ACIN_REMOVAL,           0, 5),
 379         INIT_REGMAP_IRQ(AXP22X, VBUS_OVER_V,            0, 4),
 380         INIT_REGMAP_IRQ(AXP22X, VBUS_PLUGIN,            0, 3),
 381         INIT_REGMAP_IRQ(AXP22X, VBUS_REMOVAL,           0, 2),
 382         INIT_REGMAP_IRQ(AXP22X, VBUS_V_LOW,             0, 1),
 383         INIT_REGMAP_IRQ(AXP22X, BATT_PLUGIN,            1, 7),
 384         INIT_REGMAP_IRQ(AXP22X, BATT_REMOVAL,           1, 6),
 385         INIT_REGMAP_IRQ(AXP22X, BATT_ENT_ACT_MODE,      1, 5),
 386         INIT_REGMAP_IRQ(AXP22X, BATT_EXIT_ACT_MODE,     1, 4),
 387         INIT_REGMAP_IRQ(AXP22X, CHARG,                  1, 3),
 388         INIT_REGMAP_IRQ(AXP22X, CHARG_DONE,             1, 2),
 389         INIT_REGMAP_IRQ(AXP22X, BATT_TEMP_HIGH,         1, 1),
 390         INIT_REGMAP_IRQ(AXP22X, BATT_TEMP_LOW,          1, 0),
 391         INIT_REGMAP_IRQ(AXP22X, DIE_TEMP_HIGH,          2, 7),
 392         INIT_REGMAP_IRQ(AXP22X, PEK_SHORT,              2, 1),
 393         INIT_REGMAP_IRQ(AXP22X, PEK_LONG,               2, 0),
 394         INIT_REGMAP_IRQ(AXP22X, LOW_PWR_LVL1,           3, 1),
 395         INIT_REGMAP_IRQ(AXP22X, LOW_PWR_LVL2,           3, 0),
 396         INIT_REGMAP_IRQ(AXP22X, TIMER,                  4, 7),
 397         INIT_REGMAP_IRQ(AXP22X, PEK_RIS_EDGE,           4, 6),
 398         INIT_REGMAP_IRQ(AXP22X, PEK_FAL_EDGE,           4, 5),
 399         INIT_REGMAP_IRQ(AXP22X, GPIO1_INPUT,            4, 1),
 400         INIT_REGMAP_IRQ(AXP22X, GPIO0_INPUT,            4, 0),
 401 };
 402
 403 /* some IRQs are compatible with axp20x models */
 404 static const struct regmap_irq axp288_regmap_irqs[] = {
 405         INIT_REGMAP_IRQ(AXP288, VBUS_FALL,              0, 2),
 406         INIT_REGMAP_IRQ(AXP288, VBUS_RISE,              0, 3),
 407         INIT_REGMAP_IRQ(AXP288, OV,                     0, 4),
 408
 409         INIT_REGMAP_IRQ(AXP288, DONE,                   1, 2),
 410         INIT_REGMAP_IRQ(AXP288, CHARGING,               1, 3),
 411         INIT_REGMAP_IRQ(AXP288, SAFE_QUIT,              1, 4),
 412         INIT_REGMAP_IRQ(AXP288, SAFE_ENTER,             1, 5),
 413         INIT_REGMAP_IRQ(AXP288, ABSENT,                 1, 6),
 414         INIT_REGMAP_IRQ(AXP288, APPEND,                 1, 7),
 415
 416         INIT_REGMAP_IRQ(AXP288, QWBTU,                  2, 0),
 417         INIT_REGMAP_IRQ(AXP288, WBTU,                   2, 1),
 418         INIT_REGMAP_IRQ(AXP288, QWBTO,                  2, 2),
 419         INIT_REGMAP_IRQ(AXP288, WBTO,                   2, 3),
 420         INIT_REGMAP_IRQ(AXP288, QCBTU,                  2, 4),
 421         INIT_REGMAP_IRQ(AXP288, CBTU,                   2, 5),
 422         INIT_REGMAP_IRQ(AXP288, QCBTO,                  2, 6),
 423         INIT_REGMAP_IRQ(AXP288, CBTO,                   2, 7),
 424
 425         INIT_REGMAP_IRQ(AXP288, WL2,                    3, 0),
 426         INIT_REGMAP_IRQ(AXP288, WL1,                    3, 1),
 427         INIT_REGMAP_IRQ(AXP288, GPADC,                  3, 2),
 428         INIT_REGMAP_IRQ(AXP288, OT,                     3, 7),
 429
 430         INIT_REGMAP_IRQ(AXP288, GPIO0,                  4, 0),
 431         INIT_REGMAP_IRQ(AXP288, GPIO1,                  4, 1),
 432         INIT_REGMAP_IRQ(AXP288, POKO,                   4, 2),
 433         INIT_REGMAP_IRQ(AXP288, POKL,                   4, 3),
 434         INIT_REGMAP_IRQ(AXP288, POKS,                   4, 4),
 435         INIT_REGMAP_IRQ(AXP288, POKN,                   4, 5),
 436         INIT_REGMAP_IRQ(AXP288, POKP,                   4, 6),
 437         INIT_REGMAP_IRQ(AXP288, TIMER,                  4, 7),
 438
 439         INIT_REGMAP_IRQ(AXP288, MV_CHNG,                5, 0),
 440         INIT_REGMAP_IRQ(AXP288, BC_USB_CHNG,            5, 1),
 441 };
 442
 443 static const struct regmap_irq axp806_regmap_irqs[] = {
 444         INIT_REGMAP_IRQ(AXP806, DIE_TEMP_HIGH_LV1,      0, 0),
 445         INIT_REGMAP_IRQ(AXP806, DIE_TEMP_HIGH_LV2,      0, 1),
 446         INIT_REGMAP_IRQ(AXP806, DCDCA_V_LOW,            0, 3),
 447         INIT_REGMAP_IRQ(AXP806, DCDCB_V_LOW,            0, 4),
 448         INIT_REGMAP_IRQ(AXP806, DCDCC_V_LOW,            0, 5),
 449         INIT_REGMAP_IRQ(AXP806, DCDCD_V_LOW,            0, 6),
 450         INIT_REGMAP_IRQ(AXP806, DCDCE_V_LOW,            0, 7),
 451         INIT_REGMAP_IRQ(AXP806, PWROK_LONG,             1, 0),
 452         INIT_REGMAP_IRQ(AXP806, PWROK_SHORT,            1, 1),
 453         INIT_REGMAP_IRQ(AXP806, WAKEUP,                 1, 4),
 454         INIT_REGMAP_IRQ(AXP806, PWROK_FALL,             1, 5),
 455         INIT_REGMAP_IRQ(AXP806, PWROK_RISE,             1, 6),
 456 };
 457
 458 static const struct regmap_irq axp809_regmap_irqs[] = {
 459         INIT_REGMAP_IRQ(AXP809, ACIN_OVER_V,            0, 7),
 460         INIT_REGMAP_IRQ(AXP809, ACIN_PLUGIN,            0, 6),
 461         INIT_REGMAP_IRQ(AXP809, ACIN_REMOVAL,           0, 5),
 462         INIT_REGMAP_IRQ(AXP809, VBUS_OVER_V,            0, 4),
 463         INIT_REGMAP_IRQ(AXP809, VBUS_PLUGIN,            0, 3),
 464         INIT_REGMAP_IRQ(AXP809, VBUS_REMOVAL,           0, 2),
 465         INIT_REGMAP_IRQ(AXP809, VBUS_V_LOW,             0, 1),
 466         INIT_REGMAP_IRQ(AXP809, BATT_PLUGIN,            1, 7),
 467         INIT_REGMAP_IRQ(AXP809, BATT_REMOVAL,           1, 6),
 468         INIT_REGMAP_IRQ(AXP809, BATT_ENT_ACT_MODE,      1, 5),
 469         INIT_REGMAP_IRQ(AXP809, BATT_EXIT_ACT_MODE,     1, 4),
 470         INIT_REGMAP_IRQ(AXP809, CHARG,                  1, 3),
 471         INIT_REGMAP_IRQ(AXP809, CHARG_DONE,             1, 2),
 472         INIT_REGMAP_IRQ(AXP809, BATT_CHG_TEMP_HIGH,     2, 7),
 473         INIT_REGMAP_IRQ(AXP809, BATT_CHG_TEMP_HIGH_END, 2, 6),
 474         INIT_REGMAP_IRQ(AXP809, BATT_CHG_TEMP_LOW,      2, 5),
 475         INIT_REGMAP_IRQ(AXP809, BATT_CHG_TEMP_LOW_END,  2, 4),
 476         INIT_REGMAP_IRQ(AXP809, BATT_ACT_TEMP_HIGH,     2, 3),
 477         INIT_REGMAP_IRQ(AXP809, BATT_ACT_TEMP_HIGH_END, 2, 2),
 478         INIT_REGMAP_IRQ(AXP809, BATT_ACT_TEMP_LOW,      2, 1),
 479         INIT_REGMAP_IRQ(AXP809, BATT_ACT_TEMP_LOW_END,  2, 0),
 480         INIT_REGMAP_IRQ(AXP809, DIE_TEMP_HIGH,          3, 7),
 481         INIT_REGMAP_IRQ(AXP809, LOW_PWR_LVL1,           3, 1),
 482         INIT_REGMAP_IRQ(AXP809, LOW_PWR_LVL2,           3, 0),
 483         INIT_REGMAP_IRQ(AXP809, TIMER,                  4, 7),
 484         INIT_REGMAP_IRQ(AXP809, PEK_RIS_EDGE,           4, 6),
 485         INIT_REGMAP_IRQ(AXP809, PEK_FAL_EDGE,           4, 5),
 486         INIT_REGMAP_IRQ(AXP809, PEK_SHORT,              4, 4),
 487         INIT_REGMAP_IRQ(AXP809, PEK_LONG,               4, 3),
 488         INIT_REGMAP_IRQ(AXP809, PEK_OVER_OFF,           4, 2),
 489         INIT_REGMAP_IRQ(AXP809, GPIO1_INPUT,            4, 1),
 490         INIT_REGMAP_IRQ(AXP809, GPIO0_INPUT,            4, 0),
 491 };
 492
 493 static const struct regmap_irq_chip axp152_regmap_irq_chip = {
 494         .name                   = "axp152_irq_chip",
 495         .status_base            = AXP152_IRQ1_STATE,
 496         .ack_base               = AXP152_IRQ1_STATE,
 497         .mask_base              = AXP152_IRQ1_EN,
 498         .mask_invert            = true,
 499         .init_ack_masked        = true,
 500         .irqs                   = axp152_regmap_irqs,
 501         .num_irqs               = ARRAY_SIZE(axp152_regmap_irqs),
 502         .num_regs               = 3,
 503 };
 504
 505 static const struct regmap_irq_chip axp20x_regmap_irq_chip = {
 506         .name                   = "axp20x_irq_chip",
 507         .status_base            = AXP20X_IRQ1_STATE,
 508         .ack_base               = AXP20X_IRQ1_STATE,
 509         .mask_base              = AXP20X_IRQ1_EN,
 510         .mask_invert            = true,
 511         .init_ack_masked        = true,
 512         .irqs                   = axp20x_regmap_irqs,
 513         .num_irqs               = ARRAY_SIZE(axp20x_regmap_irqs),
 514         .num_regs               = 5,
 515
 516 };
 517
 518 static const struct regmap_irq_chip axp22x_regmap_irq_chip = {
 519         .name                   = "axp22x_irq_chip",
 520         .status_base            = AXP20X_IRQ1_STATE,
 521         .ack_base               = AXP20X_IRQ1_STATE,
 522         .mask_base              = AXP20X_IRQ1_EN,
 523         .mask_invert            = true,
 524         .init_ack_masked        = true,
 525         .irqs                   = axp22x_regmap_irqs,
 526         .num_irqs               = ARRAY_SIZE(axp22x_regmap_irqs),
 527         .num_regs               = 5,
 528 };
 529
 530 static const struct regmap_irq_chip axp288_regmap_irq_chip = {
 531         .name                   = "axp288_irq_chip",
 532         .status_base            = AXP20X_IRQ1_STATE,
 533         .ack_base               = AXP20X_IRQ1_STATE,
 534         .mask_base              = AXP20X_IRQ1_EN,
 535         .mask_invert            = true,
 536         .init_ack_masked        = true,
 537         .irqs                   = axp288_regmap_irqs,
 538         .num_irqs               = ARRAY_SIZE(axp288_regmap_irqs),
 539         .num_regs               = 6,
 540
 541 };
 542
 543 static const struct regmap_irq_chip axp806_regmap_irq_chip = {
 544         .name                   = "axp806",
 545         .status_base            = AXP20X_IRQ1_STATE,
 546         .ack_base               = AXP20X_IRQ1_STATE,
 547         .mask_base              = AXP20X_IRQ1_EN,
 548         .mask_invert            = true,
 549         .init_ack_masked        = true,
 550         .irqs                   = axp806_regmap_irqs,
 551         .num_irqs               = ARRAY_SIZE(axp806_regmap_irqs),
 552         .num_regs               = 2,
 553 };
 554
 555 static const struct regmap_irq_chip axp809_regmap_irq_chip = {
 556         .name                   = "axp809",
 557         .status_base            = AXP20X_IRQ1_STATE,
 558         .ack_base               = AXP20X_IRQ1_STATE,
 559         .mask_base              = AXP20X_IRQ1_EN,
 560         .mask_invert            = true,
 561         .init_ack_masked        = true,
 562         .irqs                   = axp809_regmap_irqs,
 563         .num_irqs               = ARRAY_SIZE(axp809_regmap_irqs),
 564         .num_regs               = 5,
 565 };
 566
 567 static struct mfd_cell axp20x_cells[] = {
 568         {
 569                 .name           = "axp20x-gpio",
 570                 .of_compatible  = "x-powers,axp209-gpio",
 571         }, {
 572                 .name           = "axp20x-pek",
 573                 .num_resources  = ARRAY_SIZE(axp20x_pek_resources),
 574                 .resources      = axp20x_pek_resources,
 575         }, {
 576                 .name           = "axp20x-regulator",
 577         }, {
 578                 .name           = "axp20x-ac-power-supply",
 579                 .of_compatible  = "x-powers,axp202-ac-power-supply",
 580                 .num_resources  = ARRAY_SIZE(axp20x_ac_power_supply_resources),
 581                 .resources      = axp20x_ac_power_supply_resources,
 582         }, {
 583                 .name           = "axp20x-usb-power-supply",
 584                 .of_compatible  = "x-powers,axp202-usb-power-supply",
 585                 .num_resources  = ARRAY_SIZE(axp20x_usb_power_supply_resources),
 586                 .resources      = axp20x_usb_power_supply_resources,
 587         },
 588 };
 589
 590 static struct mfd_cell axp22x_cells[] = {
 591         {
 592                 .name                   = "axp20x-pek",
 593                 .num_resources          = ARRAY_SIZE(axp22x_pek_resources),
 594                 .resources              = axp22x_pek_resources,
 595         }, {
 596                 .name                   = "axp20x-regulator",
 597         }, {
 598                 .name           = "axp20x-usb-power-supply",
 599                 .of_compatible  = "x-powers,axp221-usb-power-supply",
 600                 .num_resources  = ARRAY_SIZE(axp22x_usb_power_supply_resources),
 601                 .resources      = axp22x_usb_power_supply_resources,
 602         },
 603 };
 604
 605 static struct mfd_cell axp152_cells[] = {
 606         {
 607                 .name                   = "axp20x-pek",
 608                 .num_resources          = ARRAY_SIZE(axp152_pek_resources),
 609                 .resources              = axp152_pek_resources,
 610         },
 611 };
 612
 613 static struct resource axp288_adc_resources[] = {
 614         {
 615                 .name  = "GPADC",
 616                 .start = AXP288_IRQ_GPADC,
 617                 .end   = AXP288_IRQ_GPADC,
 618                 .flags = IORESOURCE_IRQ,
 619         },
 620 };
 621
 622 static struct resource axp288_extcon_resources[] = {
 623         {
 624                 .start = AXP288_IRQ_VBUS_FALL,
 625                 .end   = AXP288_IRQ_VBUS_FALL,
 626                 .flags = IORESOURCE_IRQ,
 627         },
 628         {
 629                 .start = AXP288_IRQ_VBUS_RISE,
 630                 .end   = AXP288_IRQ_VBUS_RISE,
 631                 .flags = IORESOURCE_IRQ,
 632         },
 633         {
 634                 .start = AXP288_IRQ_MV_CHNG,
 635                 .end   = AXP288_IRQ_MV_CHNG,
 636                 .flags = IORESOURCE_IRQ,
 637         },
 638         {
 639                 .start = AXP288_IRQ_BC_USB_CHNG,
 640                 .end   = AXP288_IRQ_BC_USB_CHNG,
 641                 .flags = IORESOURCE_IRQ,
 642         },
 643 };
 644
 645 static struct resource axp288_charger_resources[] = {
 646         {
 647                 .start = AXP288_IRQ_OV,
 648                 .end   = AXP288_IRQ_OV,
 649                 .flags = IORESOURCE_IRQ,
 650         },
 651         {
 652                 .start = AXP288_IRQ_DONE,
 653                 .end   = AXP288_IRQ_DONE,
 654                 .flags = IORESOURCE_IRQ,
 655         },
 656         {
 657                 .start = AXP288_IRQ_CHARGING,
 658                 .end   = AXP288_IRQ_CHARGING,
 659                 .flags = IORESOURCE_IRQ,
 660         },
 661         {
 662                 .start = AXP288_IRQ_SAFE_QUIT,
 663                 .end   = AXP288_IRQ_SAFE_QUIT,
 664                 .flags = IORESOURCE_IRQ,
 665         },
 666         {
 667                 .start = AXP288_IRQ_SAFE_ENTER,
 668                 .end   = AXP288_IRQ_SAFE_ENTER,
 669                 .flags = IORESOURCE_IRQ,
 670         },
 671         {
 672                 .start = AXP288_IRQ_QCBTU,
 673                 .end   = AXP288_IRQ_QCBTU,
 674                 .flags = IORESOURCE_IRQ,
 675         },
 676         {
 677                 .start = AXP288_IRQ_CBTU,
 678                 .end   = AXP288_IRQ_CBTU,
 679                 .flags = IORESOURCE_IRQ,
 680         },
 681         {
 682                 .start = AXP288_IRQ_QCBTO,
 683                 .end   = AXP288_IRQ_QCBTO,
 684                 .flags = IORESOURCE_IRQ,
 685         },
 686         {
 687                 .start = AXP288_IRQ_CBTO,
 688                 .end   = AXP288_IRQ_CBTO,
 689                 .flags = IORESOURCE_IRQ,
 690         },
 691 };
 692
 693 static 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 = "axp20x-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 struct mfd_cell axp806_cells[] = {
 725         {
 726                 .id                     = 2,
 727                 .name                   = "axp20x-regulator",
 728         },
 729 };
 730
 731 static struct mfd_cell axp809_cells[] = {
 732         {
 733                 .name                   = "axp20x-pek",
 734                 .num_resources          = ARRAY_SIZE(axp809_pek_resources),
 735                 .resources              = axp809_pek_resources,
 736         }, {
 737                 .id                     = 1,
 738                 .name                   = "axp20x-regulator",
 739         },
 740 };
 741
 742 static struct axp20x_dev *axp20x_pm_power_off;
 743 static void axp20x_power_off(void)
 744 {
 745         if (axp20x_pm_power_off->variant == AXP288_ID)
 746                 return;
 747
 748         regmap_write(axp20x_pm_power_off->regmap, AXP20X_OFF_CTRL,
 749                      AXP20X_OFF);
 750
 751         /* Give capacitors etc. time to drain to avoid kernel panic msg. */
 752         msleep(500);
 753 }
 754
 755 int axp20x_match_device(struct axp20x_dev *axp20x)
 756 {
 757         struct device *dev = axp20x->dev;
 758         const struct acpi_device_id *acpi_id;
 759         const struct of_device_id *of_id;
 760
 761         if (dev->of_node) {
 762                 of_id = of_match_device(dev->driver->of_match_table, dev);
 763                 if (!of_id) {
 764                         dev_err(dev, "Unable to match OF ID\n");
 765                         return -ENODEV;
 766                 }
 767                 axp20x->variant = (long)of_id->data;
 768         } else {
 769                 acpi_id = acpi_match_device(dev->driver->acpi_match_table, dev);
 770                 if (!acpi_id || !acpi_id->driver_data) {
 771                         dev_err(dev, "Unable to match ACPI ID and data\n");
 772                         return -ENODEV;
 773                 }
 774                 axp20x->variant = (long)acpi_id->driver_data;
 775         }
 776
 777         switch (axp20x->variant) {
 778         case AXP152_ID:
 779                 axp20x->nr_cells = ARRAY_SIZE(axp152_cells);
 780                 axp20x->cells = axp152_cells;
 781                 axp20x->regmap_cfg = &axp152_regmap_config;
 782                 axp20x->regmap_irq_chip = &axp152_regmap_irq_chip;
 783                 break;
 784         case AXP202_ID:
 785         case AXP209_ID:
 786                 axp20x->nr_cells = ARRAY_SIZE(axp20x_cells);
 787                 axp20x->cells = axp20x_cells;
 788                 axp20x->regmap_cfg = &axp20x_regmap_config;
 789                 axp20x->regmap_irq_chip = &axp20x_regmap_irq_chip;
 790                 break;
 791         case AXP221_ID:
 792         case AXP223_ID:
 793                 axp20x->nr_cells = ARRAY_SIZE(axp22x_cells);
 794                 axp20x->cells = axp22x_cells;
 795                 axp20x->regmap_cfg = &axp22x_regmap_config;
 796                 axp20x->regmap_irq_chip = &axp22x_regmap_irq_chip;
 797                 break;
 798         case AXP288_ID:
 799                 axp20x->cells = axp288_cells;
 800                 axp20x->nr_cells = ARRAY_SIZE(axp288_cells);
 801                 axp20x->regmap_cfg = &axp288_regmap_config;
 802                 axp20x->regmap_irq_chip = &axp288_regmap_irq_chip;
 803                 break;
 804         case AXP806_ID:
 805                 axp20x->nr_cells = ARRAY_SIZE(axp806_cells);
 806                 axp20x->cells = axp806_cells;
 807                 axp20x->regmap_cfg = &axp806_regmap_config;
 808                 axp20x->regmap_irq_chip = &axp806_regmap_irq_chip;
 809                 break;
 810         case AXP809_ID:
 811                 axp20x->nr_cells = ARRAY_SIZE(axp809_cells);
 812                 axp20x->cells = axp809_cells;
 813                 axp20x->regmap_cfg = &axp22x_regmap_config;
 814                 axp20x->regmap_irq_chip = &axp809_regmap_irq_chip;
 815                 break;
 816         default:
 817                 dev_err(dev, "unsupported AXP20X ID %lu\n", axp20x->variant);
 818                 return -EINVAL;
 819         }
 820         dev_info(dev, "AXP20x variant %s found\n",
 821                  axp20x_model_names[axp20x->variant]);
 822
 823         return 0;
 824 }
 825 EXPORT_SYMBOL(axp20x_match_device);
 826
 827 int axp20x_device_probe(struct axp20x_dev *axp20x)
 828 {
 829         int ret;
 830
 831         ret = regmap_add_irq_chip(axp20x->regmap, axp20x->irq,
 832                                   IRQF_ONESHOT | IRQF_SHARED, -1,
 833                                   axp20x->regmap_irq_chip,
 834                                   &axp20x->regmap_irqc);
 835         if (ret) {
 836                 dev_err(axp20x->dev, "failed to add irq chip: %d\n", ret);
 837                 return ret;
 838         }
 839
 840         ret = mfd_add_devices(axp20x->dev, -1, axp20x->cells,
 841                               axp20x->nr_cells, NULL, 0, NULL);
 842
 843         if (ret) {
 844                 dev_err(axp20x->dev, "failed to add MFD devices: %d\n", ret);
 845                 regmap_del_irq_chip(axp20x->irq, axp20x->regmap_irqc);
 846                 return ret;
 847         }
 848
 849         if (!pm_power_off) {
 850                 axp20x_pm_power_off = axp20x;
 851                 pm_power_off = axp20x_power_off;
 852         }
 853
 854         dev_info(axp20x->dev, "AXP20X driver loaded\n");
 855
 856         return 0;
 857 }
 858 EXPORT_SYMBOL(axp20x_device_probe);
 859
 860 int axp20x_device_remove(struct axp20x_dev *axp20x)
 861 {
 862         if (axp20x == axp20x_pm_power_off) {
 863                 axp20x_pm_power_off = NULL;
 864                 pm_power_off = NULL;
 865         }
 866
 867         mfd_remove_devices(axp20x->dev);
 868         regmap_del_irq_chip(axp20x->irq, axp20x->regmap_irqc);
 869
 870         return 0;
 871 }
 872 EXPORT_SYMBOL(axp20x_device_remove);
 873
 874 MODULE_DESCRIPTION("PMIC MFD core driver for AXP20X");
 875 MODULE_AUTHOR("Carlo Caione <carlo@caione.org>");
 876 MODULE_LICENSE("GPL");