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/interrupt.h>
  21 #include <linux/kernel.h>
  22 #include <linux/module.h>
  23 #include <linux/pm_runtime.h>
  24 #include <linux/regmap.h>
  25 #include <linux/regulator/consumer.h>
  26 #include <linux/mfd/axp20x.h>
  27 #include <linux/mfd/core.h>
  28 #include <linux/of_device.h>
  29 #include <linux/acpi.h>
  30
  31 #define AXP20X_OFF      0x80
  32
  33 static const char * const axp20x_model_names[] = {
  34         "AXP152",
  35         "AXP202",
  36         "AXP209",
  37         "AXP221",
  38         "AXP223",
  39         "AXP288",
  40 };
  41
  42 static const struct regmap_range axp152_writeable_ranges[] = {
  43         regmap_reg_range(AXP152_LDO3456_DC1234_CTRL, AXP152_IRQ3_STATE),
  44         regmap_reg_range(AXP152_DCDC_MODE, AXP152_PWM1_DUTY_CYCLE),
  45 };
  46
  47 static const struct regmap_range axp152_volatile_ranges[] = {
  48         regmap_reg_range(AXP152_PWR_OP_MODE, AXP152_PWR_OP_MODE),
  49         regmap_reg_range(AXP152_IRQ1_EN, AXP152_IRQ3_STATE),
  50         regmap_reg_range(AXP152_GPIO_INPUT, AXP152_GPIO_INPUT),
  51 };
  52
  53 static const struct regmap_access_table axp152_writeable_table = {
  54         .yes_ranges     = axp152_writeable_ranges,
  55         .n_yes_ranges   = ARRAY_SIZE(axp152_writeable_ranges),
  56 };
  57
  58 static const struct regmap_access_table axp152_volatile_table = {
  59         .yes_ranges     = axp152_volatile_ranges,
  60         .n_yes_ranges   = ARRAY_SIZE(axp152_volatile_ranges),
  61 };
  62
  63 static const struct regmap_range axp20x_writeable_ranges[] = {
  64         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE),
  65         regmap_reg_range(AXP20X_DCDC_MODE, AXP20X_FG_RES),
  66         regmap_reg_range(AXP20X_RDC_H, AXP20X_OCV(AXP20X_OCV_MAX)),
  67 };
  68
  69 static const struct regmap_range axp20x_volatile_ranges[] = {
  70         regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP20X_USB_OTG_STATUS),
  71         regmap_reg_range(AXP20X_CHRG_CTRL1, AXP20X_CHRG_CTRL2),
  72         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ5_STATE),
  73         regmap_reg_range(AXP20X_ACIN_V_ADC_H, AXP20X_IPSOUT_V_HIGH_L),
  74         regmap_reg_range(AXP20X_GPIO20_SS, AXP20X_GPIO3_CTRL),
  75         regmap_reg_range(AXP20X_FG_RES, AXP20X_RDC_L),
  76 };
  77
  78 static const struct regmap_access_table axp20x_writeable_table = {
  79         .yes_ranges     = axp20x_writeable_ranges,
  80         .n_yes_ranges   = ARRAY_SIZE(axp20x_writeable_ranges),
  81 };
  82
  83 static const struct regmap_access_table axp20x_volatile_table = {
  84         .yes_ranges     = axp20x_volatile_ranges,
  85         .n_yes_ranges   = ARRAY_SIZE(axp20x_volatile_ranges),
  86 };
  87
  88 static const struct regmap_range axp22x_writeable_ranges[] = {
  89         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE),
  90         regmap_reg_range(AXP20X_DCDC_MODE, AXP22X_BATLOW_THRES1),
  91 };
  92
  93 static const struct regmap_range axp22x_volatile_ranges[] = {
  94         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ5_STATE),
  95 };
  96
  97 static const struct regmap_access_table axp22x_writeable_table = {
  98         .yes_ranges     = axp22x_writeable_ranges,
  99         .n_yes_ranges   = ARRAY_SIZE(axp22x_writeable_ranges),
 100 };
 101
 102 static const struct regmap_access_table axp22x_volatile_table = {
 103         .yes_ranges     = axp22x_volatile_ranges,
 104         .n_yes_ranges   = ARRAY_SIZE(axp22x_volatile_ranges),
 105 };
 106
 107 static const struct regmap_range axp288_writeable_ranges[] = {
 108         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ6_STATE),
 109         regmap_reg_range(AXP20X_DCDC_MODE, AXP288_FG_TUNE5),
 110 };
 111
 112 static const struct regmap_range axp288_volatile_ranges[] = {
 113         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IPSOUT_V_HIGH_L),
 114 };
 115
 116 static const struct regmap_access_table axp288_writeable_table = {
 117         .yes_ranges     = axp288_writeable_ranges,
 118         .n_yes_ranges   = ARRAY_SIZE(axp288_writeable_ranges),
 119 };
 120
 121 static const struct regmap_access_table axp288_volatile_table = {
 122         .yes_ranges     = axp288_volatile_ranges,
 123         .n_yes_ranges   = ARRAY_SIZE(axp288_volatile_ranges),
 124 };
 125
 126 static struct resource axp152_pek_resources[] = {
 127         DEFINE_RES_IRQ_NAMED(AXP152_IRQ_PEK_RIS_EDGE, "PEK_DBR"),
 128         DEFINE_RES_IRQ_NAMED(AXP152_IRQ_PEK_FAL_EDGE, "PEK_DBF"),
 129 };
 130
 131 static struct resource axp20x_pek_resources[] = {
 132         {
 133                 .name   = "PEK_DBR",
 134                 .start  = AXP20X_IRQ_PEK_RIS_EDGE,
 135                 .end    = AXP20X_IRQ_PEK_RIS_EDGE,
 136                 .flags  = IORESOURCE_IRQ,
 137         }, {
 138                 .name   = "PEK_DBF",
 139                 .start  = AXP20X_IRQ_PEK_FAL_EDGE,
 140                 .end    = AXP20X_IRQ_PEK_FAL_EDGE,
 141                 .flags  = IORESOURCE_IRQ,
 142         },
 143 };
 144
 145 static struct resource axp20x_usb_power_supply_resources[] = {
 146         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"),
 147         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"),
 148         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_VALID, "VBUS_VALID"),
 149         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_NOT_VALID, "VBUS_NOT_VALID"),
 150 };
 151
 152 static struct resource axp22x_pek_resources[] = {
 153         {
 154                 .name   = "PEK_DBR",
 155                 .start  = AXP22X_IRQ_PEK_RIS_EDGE,
 156                 .end    = AXP22X_IRQ_PEK_RIS_EDGE,
 157                 .flags  = IORESOURCE_IRQ,
 158         }, {
 159                 .name   = "PEK_DBF",
 160                 .start  = AXP22X_IRQ_PEK_FAL_EDGE,
 161                 .end    = AXP22X_IRQ_PEK_FAL_EDGE,
 162                 .flags  = IORESOURCE_IRQ,
 163         },
 164 };
 165
 166 static struct resource axp288_power_button_resources[] = {
 167         {
 168                 .name   = "PEK_DBR",
 169                 .start  = AXP288_IRQ_POKN,
 170                 .end    = AXP288_IRQ_POKN,
 171                 .flags  = IORESOURCE_IRQ,
 172         },
 173         {
 174                 .name   = "PEK_DBF",
 175                 .start  = AXP288_IRQ_POKP,
 176                 .end    = AXP288_IRQ_POKP,
 177                 .flags  = IORESOURCE_IRQ,
 178         },
 179 };
 180
 181 static struct resource axp288_fuel_gauge_resources[] = {
 182         {
 183                 .start = AXP288_IRQ_QWBTU,
 184                 .end   = AXP288_IRQ_QWBTU,
 185                 .flags = IORESOURCE_IRQ,
 186         },
 187         {
 188                 .start = AXP288_IRQ_WBTU,
 189                 .end   = AXP288_IRQ_WBTU,
 190                 .flags = IORESOURCE_IRQ,
 191         },
 192         {
 193                 .start = AXP288_IRQ_QWBTO,
 194                 .end   = AXP288_IRQ_QWBTO,
 195                 .flags = IORESOURCE_IRQ,
 196         },
 197         {
 198                 .start = AXP288_IRQ_WBTO,
 199                 .end   = AXP288_IRQ_WBTO,
 200                 .flags = IORESOURCE_IRQ,
 201         },
 202         {
 203                 .start = AXP288_IRQ_WL2,
 204                 .end   = AXP288_IRQ_WL2,
 205                 .flags = IORESOURCE_IRQ,
 206         },
 207         {
 208                 .start = AXP288_IRQ_WL1,
 209                 .end   = AXP288_IRQ_WL1,
 210                 .flags = IORESOURCE_IRQ,
 211         },
 212 };
 213
 214 static const struct regmap_config axp152_regmap_config = {
 215         .reg_bits       = 8,
 216         .val_bits       = 8,
 217         .wr_table       = &axp152_writeable_table,
 218         .volatile_table = &axp152_volatile_table,
 219         .max_register   = AXP152_PWM1_DUTY_CYCLE,
 220         .cache_type     = REGCACHE_RBTREE,
 221 };
 222
 223 static const struct regmap_config axp20x_regmap_config = {
 224         .reg_bits       = 8,
 225         .val_bits       = 8,
 226         .wr_table       = &axp20x_writeable_table,
 227         .volatile_table = &axp20x_volatile_table,
 228         .max_register   = AXP20X_OCV(AXP20X_OCV_MAX),
 229         .cache_type     = REGCACHE_RBTREE,
 230 };
 231
 232 static const struct regmap_config axp22x_regmap_config = {
 233         .reg_bits       = 8,
 234         .val_bits       = 8,
 235         .wr_table       = &axp22x_writeable_table,
 236         .volatile_table = &axp22x_volatile_table,
 237         .max_register   = AXP22X_BATLOW_THRES1,
 238         .cache_type     = REGCACHE_RBTREE,
 239 };
 240
 241 static const struct regmap_config axp288_regmap_config = {
 242         .reg_bits       = 8,
 243         .val_bits       = 8,
 244         .wr_table       = &axp288_writeable_table,
 245         .volatile_table = &axp288_volatile_table,
 246         .max_register   = AXP288_FG_TUNE5,
 247         .cache_type     = REGCACHE_RBTREE,
 248 };
 249
 250 #define INIT_REGMAP_IRQ(_variant, _irq, _off, _mask)                    \
 251         [_variant##_IRQ_##_irq] = { .reg_offset = (_off), .mask = BIT(_mask) }
 252
 253 static const struct regmap_irq axp152_regmap_irqs[] = {
 254         INIT_REGMAP_IRQ(AXP152, LDO0IN_CONNECT,         0, 6),
 255         INIT_REGMAP_IRQ(AXP152, LDO0IN_REMOVAL,         0, 5),
 256         INIT_REGMAP_IRQ(AXP152, ALDO0IN_CONNECT,        0, 3),
 257         INIT_REGMAP_IRQ(AXP152, ALDO0IN_REMOVAL,        0, 2),
 258         INIT_REGMAP_IRQ(AXP152, DCDC1_V_LOW,            1, 5),
 259         INIT_REGMAP_IRQ(AXP152, DCDC2_V_LOW,            1, 4),
 260         INIT_REGMAP_IRQ(AXP152, DCDC3_V_LOW,            1, 3),
 261         INIT_REGMAP_IRQ(AXP152, DCDC4_V_LOW,            1, 2),
 262         INIT_REGMAP_IRQ(AXP152, PEK_SHORT,              1, 1),
 263         INIT_REGMAP_IRQ(AXP152, PEK_LONG,               1, 0),
 264         INIT_REGMAP_IRQ(AXP152, TIMER,                  2, 7),
 265         INIT_REGMAP_IRQ(AXP152, PEK_RIS_EDGE,           2, 6),
 266         INIT_REGMAP_IRQ(AXP152, PEK_FAL_EDGE,           2, 5),
 267         INIT_REGMAP_IRQ(AXP152, GPIO3_INPUT,            2, 3),
 268         INIT_REGMAP_IRQ(AXP152, GPIO2_INPUT,            2, 2),
 269         INIT_REGMAP_IRQ(AXP152, GPIO1_INPUT,            2, 1),
 270         INIT_REGMAP_IRQ(AXP152, GPIO0_INPUT,            2, 0),
 271 };
 272
 273 static const struct regmap_irq axp20x_regmap_irqs[] = {
 274         INIT_REGMAP_IRQ(AXP20X, ACIN_OVER_V,            0, 7),
 275         INIT_REGMAP_IRQ(AXP20X, ACIN_PLUGIN,            0, 6),
 276         INIT_REGMAP_IRQ(AXP20X, ACIN_REMOVAL,           0, 5),
 277         INIT_REGMAP_IRQ(AXP20X, VBUS_OVER_V,            0, 4),
 278         INIT_REGMAP_IRQ(AXP20X, VBUS_PLUGIN,            0, 3),
 279         INIT_REGMAP_IRQ(AXP20X, VBUS_REMOVAL,           0, 2),
 280         INIT_REGMAP_IRQ(AXP20X, VBUS_V_LOW,             0, 1),
 281         INIT_REGMAP_IRQ(AXP20X, BATT_PLUGIN,            1, 7),
 282         INIT_REGMAP_IRQ(AXP20X, BATT_REMOVAL,           1, 6),
 283         INIT_REGMAP_IRQ(AXP20X, BATT_ENT_ACT_MODE,      1, 5),
 284         INIT_REGMAP_IRQ(AXP20X, BATT_EXIT_ACT_MODE,     1, 4),
 285         INIT_REGMAP_IRQ(AXP20X, CHARG,                  1, 3),
 286         INIT_REGMAP_IRQ(AXP20X, CHARG_DONE,             1, 2),
 287         INIT_REGMAP_IRQ(AXP20X, BATT_TEMP_HIGH,         1, 1),
 288         INIT_REGMAP_IRQ(AXP20X, BATT_TEMP_LOW,          1, 0),
 289         INIT_REGMAP_IRQ(AXP20X, DIE_TEMP_HIGH,          2, 7),
 290         INIT_REGMAP_IRQ(AXP20X, CHARG_I_LOW,            2, 6),
 291         INIT_REGMAP_IRQ(AXP20X, DCDC1_V_LONG,           2, 5),
 292         INIT_REGMAP_IRQ(AXP20X, DCDC2_V_LONG,           2, 4),
 293         INIT_REGMAP_IRQ(AXP20X, DCDC3_V_LONG,           2, 3),
 294         INIT_REGMAP_IRQ(AXP20X, PEK_SHORT,              2, 1),
 295         INIT_REGMAP_IRQ(AXP20X, PEK_LONG,               2, 0),
 296         INIT_REGMAP_IRQ(AXP20X, N_OE_PWR_ON,            3, 7),
 297         INIT_REGMAP_IRQ(AXP20X, N_OE_PWR_OFF,           3, 6),
 298         INIT_REGMAP_IRQ(AXP20X, VBUS_VALID,             3, 5),
 299         INIT_REGMAP_IRQ(AXP20X, VBUS_NOT_VALID,         3, 4),
 300         INIT_REGMAP_IRQ(AXP20X, VBUS_SESS_VALID,        3, 3),
 301         INIT_REGMAP_IRQ(AXP20X, VBUS_SESS_END,          3, 2),
 302         INIT_REGMAP_IRQ(AXP20X, LOW_PWR_LVL1,           3, 1),
 303         INIT_REGMAP_IRQ(AXP20X, LOW_PWR_LVL2,           3, 0),
 304         INIT_REGMAP_IRQ(AXP20X, TIMER,                  4, 7),
 305         INIT_REGMAP_IRQ(AXP20X, PEK_RIS_EDGE,           4, 6),
 306         INIT_REGMAP_IRQ(AXP20X, PEK_FAL_EDGE,           4, 5),
 307         INIT_REGMAP_IRQ(AXP20X, GPIO3_INPUT,            4, 3),
 308         INIT_REGMAP_IRQ(AXP20X, GPIO2_INPUT,            4, 2),
 309         INIT_REGMAP_IRQ(AXP20X, GPIO1_INPUT,            4, 1),
 310         INIT_REGMAP_IRQ(AXP20X, GPIO0_INPUT,            4, 0),
 311 };
 312
 313 static const struct regmap_irq axp22x_regmap_irqs[] = {
 314         INIT_REGMAP_IRQ(AXP22X, ACIN_OVER_V,            0, 7),
 315         INIT_REGMAP_IRQ(AXP22X, ACIN_PLUGIN,            0, 6),
 316         INIT_REGMAP_IRQ(AXP22X, ACIN_REMOVAL,           0, 5),
 317         INIT_REGMAP_IRQ(AXP22X, VBUS_OVER_V,            0, 4),
 318         INIT_REGMAP_IRQ(AXP22X, VBUS_PLUGIN,            0, 3),
 319         INIT_REGMAP_IRQ(AXP22X, VBUS_REMOVAL,           0, 2),
 320         INIT_REGMAP_IRQ(AXP22X, VBUS_V_LOW,             0, 1),
 321         INIT_REGMAP_IRQ(AXP22X, BATT_PLUGIN,            1, 7),
 322         INIT_REGMAP_IRQ(AXP22X, BATT_REMOVAL,           1, 6),
 323         INIT_REGMAP_IRQ(AXP22X, BATT_ENT_ACT_MODE,      1, 5),
 324         INIT_REGMAP_IRQ(AXP22X, BATT_EXIT_ACT_MODE,     1, 4),
 325         INIT_REGMAP_IRQ(AXP22X, CHARG,                  1, 3),
 326         INIT_REGMAP_IRQ(AXP22X, CHARG_DONE,             1, 2),
 327         INIT_REGMAP_IRQ(AXP22X, BATT_TEMP_HIGH,         1, 1),
 328         INIT_REGMAP_IRQ(AXP22X, BATT_TEMP_LOW,          1, 0),
 329         INIT_REGMAP_IRQ(AXP22X, DIE_TEMP_HIGH,          2, 7),
 330         INIT_REGMAP_IRQ(AXP22X, PEK_SHORT,              2, 1),
 331         INIT_REGMAP_IRQ(AXP22X, PEK_LONG,               2, 0),
 332         INIT_REGMAP_IRQ(AXP22X, LOW_PWR_LVL1,           3, 1),
 333         INIT_REGMAP_IRQ(AXP22X, LOW_PWR_LVL2,           3, 0),
 334         INIT_REGMAP_IRQ(AXP22X, TIMER,                  4, 7),
 335         INIT_REGMAP_IRQ(AXP22X, PEK_RIS_EDGE,           4, 6),
 336         INIT_REGMAP_IRQ(AXP22X, PEK_FAL_EDGE,           4, 5),
 337         INIT_REGMAP_IRQ(AXP22X, GPIO1_INPUT,            4, 1),
 338         INIT_REGMAP_IRQ(AXP22X, GPIO0_INPUT,            4, 0),
 339 };
 340
 341 /* some IRQs are compatible with axp20x models */
 342 static const struct regmap_irq axp288_regmap_irqs[] = {
 343         INIT_REGMAP_IRQ(AXP288, VBUS_FALL,              0, 2),
 344         INIT_REGMAP_IRQ(AXP288, VBUS_RISE,              0, 3),
 345         INIT_REGMAP_IRQ(AXP288, OV,                     0, 4),
 346
 347         INIT_REGMAP_IRQ(AXP288, DONE,                   1, 2),
 348         INIT_REGMAP_IRQ(AXP288, CHARGING,               1, 3),
 349         INIT_REGMAP_IRQ(AXP288, SAFE_QUIT,              1, 4),
 350         INIT_REGMAP_IRQ(AXP288, SAFE_ENTER,             1, 5),
 351         INIT_REGMAP_IRQ(AXP288, ABSENT,                 1, 6),
 352         INIT_REGMAP_IRQ(AXP288, APPEND,                 1, 7),
 353
 354         INIT_REGMAP_IRQ(AXP288, QWBTU,                  2, 0),
 355         INIT_REGMAP_IRQ(AXP288, WBTU,                   2, 1),
 356         INIT_REGMAP_IRQ(AXP288, QWBTO,                  2, 2),
 357         INIT_REGMAP_IRQ(AXP288, WBTO,                   2, 3),
 358         INIT_REGMAP_IRQ(AXP288, QCBTU,                  2, 4),
 359         INIT_REGMAP_IRQ(AXP288, CBTU,                   2, 5),
 360         INIT_REGMAP_IRQ(AXP288, QCBTO,                  2, 6),
 361         INIT_REGMAP_IRQ(AXP288, CBTO,                   2, 7),
 362
 363         INIT_REGMAP_IRQ(AXP288, WL2,                    3, 0),
 364         INIT_REGMAP_IRQ(AXP288, WL1,                    3, 1),
 365         INIT_REGMAP_IRQ(AXP288, GPADC,                  3, 2),
 366         INIT_REGMAP_IRQ(AXP288, OT,                     3, 7),
 367
 368         INIT_REGMAP_IRQ(AXP288, GPIO0,                  4, 0),
 369         INIT_REGMAP_IRQ(AXP288, GPIO1,                  4, 1),
 370         INIT_REGMAP_IRQ(AXP288, POKO,                   4, 2),
 371         INIT_REGMAP_IRQ(AXP288, POKL,                   4, 3),
 372         INIT_REGMAP_IRQ(AXP288, POKS,                   4, 4),
 373         INIT_REGMAP_IRQ(AXP288, POKN,                   4, 5),
 374         INIT_REGMAP_IRQ(AXP288, POKP,                   4, 6),
 375         INIT_REGMAP_IRQ(AXP288, TIMER,                  4, 7),
 376
 377         INIT_REGMAP_IRQ(AXP288, MV_CHNG,                5, 0),
 378         INIT_REGMAP_IRQ(AXP288, BC_USB_CHNG,            5, 1),
 379 };
 380
 381 static const struct regmap_irq_chip axp152_regmap_irq_chip = {
 382         .name                   = "axp152_irq_chip",
 383         .status_base            = AXP152_IRQ1_STATE,
 384         .ack_base               = AXP152_IRQ1_STATE,
 385         .mask_base              = AXP152_IRQ1_EN,
 386         .mask_invert            = true,
 387         .init_ack_masked        = true,
 388         .irqs                   = axp152_regmap_irqs,
 389         .num_irqs               = ARRAY_SIZE(axp152_regmap_irqs),
 390         .num_regs               = 3,
 391 };
 392
 393 static const struct regmap_irq_chip axp20x_regmap_irq_chip = {
 394         .name                   = "axp20x_irq_chip",
 395         .status_base            = AXP20X_IRQ1_STATE,
 396         .ack_base               = AXP20X_IRQ1_STATE,
 397         .mask_base              = AXP20X_IRQ1_EN,
 398         .mask_invert            = true,
 399         .init_ack_masked        = true,
 400         .irqs                   = axp20x_regmap_irqs,
 401         .num_irqs               = ARRAY_SIZE(axp20x_regmap_irqs),
 402         .num_regs               = 5,
 403
 404 };
 405
 406 static const struct regmap_irq_chip axp22x_regmap_irq_chip = {
 407         .name                   = "axp22x_irq_chip",
 408         .status_base            = AXP20X_IRQ1_STATE,
 409         .ack_base               = AXP20X_IRQ1_STATE,
 410         .mask_base              = AXP20X_IRQ1_EN,
 411         .mask_invert            = true,
 412         .init_ack_masked        = true,
 413         .irqs                   = axp22x_regmap_irqs,
 414         .num_irqs               = ARRAY_SIZE(axp22x_regmap_irqs),
 415         .num_regs               = 5,
 416 };
 417
 418 static const struct regmap_irq_chip axp288_regmap_irq_chip = {
 419         .name                   = "axp288_irq_chip",
 420         .status_base            = AXP20X_IRQ1_STATE,
 421         .ack_base               = AXP20X_IRQ1_STATE,
 422         .mask_base              = AXP20X_IRQ1_EN,
 423         .mask_invert            = true,
 424         .init_ack_masked        = true,
 425         .irqs                   = axp288_regmap_irqs,
 426         .num_irqs               = ARRAY_SIZE(axp288_regmap_irqs),
 427         .num_regs               = 6,
 428
 429 };
 430
 431 static struct mfd_cell axp20x_cells[] = {
 432         {
 433                 .name           = "axp20x-pek",
 434                 .num_resources  = ARRAY_SIZE(axp20x_pek_resources),
 435                 .resources      = axp20x_pek_resources,
 436         }, {
 437                 .name           = "axp20x-regulator",
 438         }, {
 439                 .name           = "axp20x-usb-power-supply",
 440                 .of_compatible  = "x-powers,axp202-usb-power-supply",
 441                 .num_resources  = ARRAY_SIZE(axp20x_usb_power_supply_resources),
 442                 .resources      = axp20x_usb_power_supply_resources,
 443         },
 444 };
 445
 446 static struct mfd_cell axp22x_cells[] = {
 447         {
 448                 .name                   = "axp20x-pek",
 449                 .num_resources          = ARRAY_SIZE(axp22x_pek_resources),
 450                 .resources              = axp22x_pek_resources,
 451         }, {
 452                 .name                   = "axp20x-regulator",
 453         },
 454 };
 455
 456 static struct mfd_cell axp152_cells[] = {
 457         {
 458                 .name                   = "axp20x-pek",
 459                 .num_resources          = ARRAY_SIZE(axp152_pek_resources),
 460                 .resources              = axp152_pek_resources,
 461         },
 462 };
 463
 464 static struct resource axp288_adc_resources[] = {
 465         {
 466                 .name  = "GPADC",
 467                 .start = AXP288_IRQ_GPADC,
 468                 .end   = AXP288_IRQ_GPADC,
 469                 .flags = IORESOURCE_IRQ,
 470         },
 471 };
 472
 473 static struct resource axp288_extcon_resources[] = {
 474         {
 475                 .start = AXP288_IRQ_VBUS_FALL,
 476                 .end   = AXP288_IRQ_VBUS_FALL,
 477                 .flags = IORESOURCE_IRQ,
 478         },
 479         {
 480                 .start = AXP288_IRQ_VBUS_RISE,
 481                 .end   = AXP288_IRQ_VBUS_RISE,
 482                 .flags = IORESOURCE_IRQ,
 483         },
 484         {
 485                 .start = AXP288_IRQ_MV_CHNG,
 486                 .end   = AXP288_IRQ_MV_CHNG,
 487                 .flags = IORESOURCE_IRQ,
 488         },
 489         {
 490                 .start = AXP288_IRQ_BC_USB_CHNG,
 491                 .end   = AXP288_IRQ_BC_USB_CHNG,
 492                 .flags = IORESOURCE_IRQ,
 493         },
 494 };
 495
 496 static struct resource axp288_charger_resources[] = {
 497         {
 498                 .start = AXP288_IRQ_OV,
 499                 .end   = AXP288_IRQ_OV,
 500                 .flags = IORESOURCE_IRQ,
 501         },
 502         {
 503                 .start = AXP288_IRQ_DONE,
 504                 .end   = AXP288_IRQ_DONE,
 505                 .flags = IORESOURCE_IRQ,
 506         },
 507         {
 508                 .start = AXP288_IRQ_CHARGING,
 509                 .end   = AXP288_IRQ_CHARGING,
 510                 .flags = IORESOURCE_IRQ,
 511         },
 512         {
 513                 .start = AXP288_IRQ_SAFE_QUIT,
 514                 .end   = AXP288_IRQ_SAFE_QUIT,
 515                 .flags = IORESOURCE_IRQ,
 516         },
 517         {
 518                 .start = AXP288_IRQ_SAFE_ENTER,
 519                 .end   = AXP288_IRQ_SAFE_ENTER,
 520                 .flags = IORESOURCE_IRQ,
 521         },
 522         {
 523                 .start = AXP288_IRQ_QCBTU,
 524                 .end   = AXP288_IRQ_QCBTU,
 525                 .flags = IORESOURCE_IRQ,
 526         },
 527         {
 528                 .start = AXP288_IRQ_CBTU,
 529                 .end   = AXP288_IRQ_CBTU,
 530                 .flags = IORESOURCE_IRQ,
 531         },
 532         {
 533                 .start = AXP288_IRQ_QCBTO,
 534                 .end   = AXP288_IRQ_QCBTO,
 535                 .flags = IORESOURCE_IRQ,
 536         },
 537         {
 538                 .start = AXP288_IRQ_CBTO,
 539                 .end   = AXP288_IRQ_CBTO,
 540                 .flags = IORESOURCE_IRQ,
 541         },
 542 };
 543
 544 static struct mfd_cell axp288_cells[] = {
 545         {
 546                 .name = "axp288_adc",
 547                 .num_resources = ARRAY_SIZE(axp288_adc_resources),
 548                 .resources = axp288_adc_resources,
 549         },
 550         {
 551                 .name = "axp288_extcon",
 552                 .num_resources = ARRAY_SIZE(axp288_extcon_resources),
 553                 .resources = axp288_extcon_resources,
 554         },
 555         {
 556                 .name = "axp288_charger",
 557                 .num_resources = ARRAY_SIZE(axp288_charger_resources),
 558                 .resources = axp288_charger_resources,
 559         },
 560         {
 561                 .name = "axp288_fuel_gauge",
 562                 .num_resources = ARRAY_SIZE(axp288_fuel_gauge_resources),
 563                 .resources = axp288_fuel_gauge_resources,
 564         },
 565         {
 566                 .name = "axp20x-pek",
 567                 .num_resources = ARRAY_SIZE(axp288_power_button_resources),
 568                 .resources = axp288_power_button_resources,
 569         },
 570         {
 571                 .name = "axp288_pmic_acpi",
 572         },
 573 };
 574
 575 static struct axp20x_dev *axp20x_pm_power_off;
 576 static void axp20x_power_off(void)
 577 {
 578         if (axp20x_pm_power_off->variant == AXP288_ID)
 579                 return;
 580
 581         regmap_write(axp20x_pm_power_off->regmap, AXP20X_OFF_CTRL,
 582                      AXP20X_OFF);
 583 }
 584
 585 int axp20x_match_device(struct axp20x_dev *axp20x)
 586 {
 587         struct device *dev = axp20x->dev;
 588         const struct acpi_device_id *acpi_id;
 589         const struct of_device_id *of_id;
 590
 591         if (dev->of_node) {
 592                 of_id = of_match_device(dev->driver->of_match_table, dev);
 593                 if (!of_id) {
 594                         dev_err(dev, "Unable to match OF ID\n");
 595                         return -ENODEV;
 596                 }
 597                 axp20x->variant = (long)of_id->data;
 598         } else {
 599                 acpi_id = acpi_match_device(dev->driver->acpi_match_table, dev);
 600                 if (!acpi_id || !acpi_id->driver_data) {
 601                         dev_err(dev, "Unable to match ACPI ID and data\n");
 602                         return -ENODEV;
 603                 }
 604                 axp20x->variant = (long)acpi_id->driver_data;
 605         }
 606
 607         switch (axp20x->variant) {
 608         case AXP152_ID:
 609                 axp20x->nr_cells = ARRAY_SIZE(axp152_cells);
 610                 axp20x->cells = axp152_cells;
 611                 axp20x->regmap_cfg = &axp152_regmap_config;
 612                 axp20x->regmap_irq_chip = &axp152_regmap_irq_chip;
 613                 break;
 614         case AXP202_ID:
 615         case AXP209_ID:
 616                 axp20x->nr_cells = ARRAY_SIZE(axp20x_cells);
 617                 axp20x->cells = axp20x_cells;
 618                 axp20x->regmap_cfg = &axp20x_regmap_config;
 619                 axp20x->regmap_irq_chip = &axp20x_regmap_irq_chip;
 620                 break;
 621         case AXP221_ID:
 622         case AXP223_ID:
 623                 axp20x->nr_cells = ARRAY_SIZE(axp22x_cells);
 624                 axp20x->cells = axp22x_cells;
 625                 axp20x->regmap_cfg = &axp22x_regmap_config;
 626                 axp20x->regmap_irq_chip = &axp22x_regmap_irq_chip;
 627                 break;
 628         case AXP288_ID:
 629                 axp20x->cells = axp288_cells;
 630                 axp20x->nr_cells = ARRAY_SIZE(axp288_cells);
 631                 axp20x->regmap_cfg = &axp288_regmap_config;
 632                 axp20x->regmap_irq_chip = &axp288_regmap_irq_chip;
 633                 break;
 634         default:
 635                 dev_err(dev, "unsupported AXP20X ID %lu\n", axp20x->variant);
 636                 return -EINVAL;
 637         }
 638         dev_info(dev, "AXP20x variant %s found\n",
 639                  axp20x_model_names[axp20x->variant]);
 640
 641         return 0;
 642 }
 643 EXPORT_SYMBOL(axp20x_match_device);
 644
 645 int axp20x_device_probe(struct axp20x_dev *axp20x)
 646 {
 647         int ret;
 648
 649         ret = regmap_add_irq_chip(axp20x->regmap, axp20x->irq,
 650                                   IRQF_ONESHOT | IRQF_SHARED, -1,
 651                                   axp20x->regmap_irq_chip,
 652                                   &axp20x->regmap_irqc);
 653         if (ret) {
 654                 dev_err(axp20x->dev, "failed to add irq chip: %d\n", ret);
 655                 return ret;
 656         }
 657
 658         ret = mfd_add_devices(axp20x->dev, -1, axp20x->cells,
 659                               axp20x->nr_cells, NULL, 0, NULL);
 660
 661         if (ret) {
 662                 dev_err(axp20x->dev, "failed to add MFD devices: %d\n", ret);
 663                 regmap_del_irq_chip(axp20x->irq, axp20x->regmap_irqc);
 664                 return ret;
 665         }
 666
 667         if (!pm_power_off) {
 668                 axp20x_pm_power_off = axp20x;
 669                 pm_power_off = axp20x_power_off;
 670         }
 671
 672         dev_info(axp20x->dev, "AXP20X driver loaded\n");
 673
 674         return 0;
 675 }
 676 EXPORT_SYMBOL(axp20x_device_probe);
 677
 678 int axp20x_device_remove(struct axp20x_dev *axp20x)
 679 {
 680         if (axp20x == axp20x_pm_power_off) {
 681                 axp20x_pm_power_off = NULL;
 682                 pm_power_off = NULL;
 683         }
 684
 685         mfd_remove_devices(axp20x->dev);
 686         regmap_del_irq_chip(axp20x->irq, axp20x->regmap_irqc);
 687
 688         return 0;
 689 }
 690 EXPORT_SYMBOL(axp20x_device_remove);
 691
 692 MODULE_DESCRIPTION("PMIC MFD core driver for AXP20X");
 693 MODULE_AUTHOR("Carlo Caione <carlo@caione.org>");
 694 MODULE_LICENSE("GPL");