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