Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 1 | /* |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 2 | * axp20x.c - MFD core driver for the X-Powers' Power Management ICs |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 3 | * |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 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. |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 7 | * |
| 8 | * Author: Carlo Caione <carlo@caione.org> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/err.h> |
| 16 | #include <linux/i2c.h> |
| 17 | #include <linux/interrupt.h> |
| 18 | #include <linux/kernel.h> |
| 19 | #include <linux/module.h> |
| 20 | #include <linux/pm_runtime.h> |
| 21 | #include <linux/regmap.h> |
| 22 | #include <linux/slab.h> |
| 23 | #include <linux/regulator/consumer.h> |
| 24 | #include <linux/mfd/axp20x.h> |
| 25 | #include <linux/mfd/core.h> |
| 26 | #include <linux/of_device.h> |
| 27 | #include <linux/of_irq.h> |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 28 | #include <linux/acpi.h> |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 29 | |
| 30 | #define AXP20X_OFF 0x80 |
| 31 | |
Krzysztof Kozlowski | c31e858 | 2015-03-24 11:21:17 +0100 | [diff] [blame] | 32 | static const char * const axp20x_model_names[] = { |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 33 | "AXP202", |
| 34 | "AXP209", |
Boris BREZILLON | f05be58 | 2015-04-10 12:09:01 +0800 | [diff] [blame] | 35 | "AXP221", |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 36 | "AXP288", |
| 37 | }; |
| 38 | |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 39 | static const struct regmap_range axp20x_writeable_ranges[] = { |
| 40 | regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE), |
| 41 | regmap_reg_range(AXP20X_DCDC_MODE, AXP20X_FG_RES), |
| 42 | }; |
| 43 | |
| 44 | static const struct regmap_range axp20x_volatile_ranges[] = { |
| 45 | regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ5_STATE), |
| 46 | }; |
| 47 | |
| 48 | static const struct regmap_access_table axp20x_writeable_table = { |
| 49 | .yes_ranges = axp20x_writeable_ranges, |
| 50 | .n_yes_ranges = ARRAY_SIZE(axp20x_writeable_ranges), |
| 51 | }; |
| 52 | |
| 53 | static const struct regmap_access_table axp20x_volatile_table = { |
| 54 | .yes_ranges = axp20x_volatile_ranges, |
| 55 | .n_yes_ranges = ARRAY_SIZE(axp20x_volatile_ranges), |
| 56 | }; |
| 57 | |
Boris BREZILLON | f05be58 | 2015-04-10 12:09:01 +0800 | [diff] [blame] | 58 | static const struct regmap_range axp22x_writeable_ranges[] = { |
| 59 | regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE), |
| 60 | regmap_reg_range(AXP20X_DCDC_MODE, AXP22X_BATLOW_THRES1), |
| 61 | }; |
| 62 | |
| 63 | static const struct regmap_range axp22x_volatile_ranges[] = { |
| 64 | regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ5_STATE), |
| 65 | }; |
| 66 | |
| 67 | static const struct regmap_access_table axp22x_writeable_table = { |
| 68 | .yes_ranges = axp22x_writeable_ranges, |
| 69 | .n_yes_ranges = ARRAY_SIZE(axp22x_writeable_ranges), |
| 70 | }; |
| 71 | |
| 72 | static const struct regmap_access_table axp22x_volatile_table = { |
| 73 | .yes_ranges = axp22x_volatile_ranges, |
| 74 | .n_yes_ranges = ARRAY_SIZE(axp22x_volatile_ranges), |
| 75 | }; |
| 76 | |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 77 | static const struct regmap_range axp288_writeable_ranges[] = { |
| 78 | regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ6_STATE), |
| 79 | regmap_reg_range(AXP20X_DCDC_MODE, AXP288_FG_TUNE5), |
| 80 | }; |
| 81 | |
| 82 | static const struct regmap_range axp288_volatile_ranges[] = { |
| 83 | regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IPSOUT_V_HIGH_L), |
| 84 | }; |
| 85 | |
| 86 | static const struct regmap_access_table axp288_writeable_table = { |
| 87 | .yes_ranges = axp288_writeable_ranges, |
| 88 | .n_yes_ranges = ARRAY_SIZE(axp288_writeable_ranges), |
| 89 | }; |
| 90 | |
| 91 | static const struct regmap_access_table axp288_volatile_table = { |
| 92 | .yes_ranges = axp288_volatile_ranges, |
| 93 | .n_yes_ranges = ARRAY_SIZE(axp288_volatile_ranges), |
| 94 | }; |
| 95 | |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 96 | static struct resource axp20x_pek_resources[] = { |
| 97 | { |
| 98 | .name = "PEK_DBR", |
| 99 | .start = AXP20X_IRQ_PEK_RIS_EDGE, |
| 100 | .end = AXP20X_IRQ_PEK_RIS_EDGE, |
| 101 | .flags = IORESOURCE_IRQ, |
| 102 | }, { |
| 103 | .name = "PEK_DBF", |
| 104 | .start = AXP20X_IRQ_PEK_FAL_EDGE, |
| 105 | .end = AXP20X_IRQ_PEK_FAL_EDGE, |
| 106 | .flags = IORESOURCE_IRQ, |
| 107 | }, |
| 108 | }; |
| 109 | |
Boris BREZILLON | f05be58 | 2015-04-10 12:09:01 +0800 | [diff] [blame] | 110 | static struct resource axp22x_pek_resources[] = { |
| 111 | { |
| 112 | .name = "PEK_DBR", |
| 113 | .start = AXP22X_IRQ_PEK_RIS_EDGE, |
| 114 | .end = AXP22X_IRQ_PEK_RIS_EDGE, |
| 115 | .flags = IORESOURCE_IRQ, |
| 116 | }, { |
| 117 | .name = "PEK_DBF", |
| 118 | .start = AXP22X_IRQ_PEK_FAL_EDGE, |
| 119 | .end = AXP22X_IRQ_PEK_FAL_EDGE, |
| 120 | .flags = IORESOURCE_IRQ, |
| 121 | }, |
| 122 | }; |
| 123 | |
Todd Brandt | d6387874 | 2015-02-02 15:41:41 -0800 | [diff] [blame] | 124 | static struct resource axp288_fuel_gauge_resources[] = { |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 125 | { |
| 126 | .start = AXP288_IRQ_QWBTU, |
| 127 | .end = AXP288_IRQ_QWBTU, |
| 128 | .flags = IORESOURCE_IRQ, |
| 129 | }, |
| 130 | { |
| 131 | .start = AXP288_IRQ_WBTU, |
| 132 | .end = AXP288_IRQ_WBTU, |
| 133 | .flags = IORESOURCE_IRQ, |
| 134 | }, |
| 135 | { |
| 136 | .start = AXP288_IRQ_QWBTO, |
| 137 | .end = AXP288_IRQ_QWBTO, |
| 138 | .flags = IORESOURCE_IRQ, |
| 139 | }, |
| 140 | { |
| 141 | .start = AXP288_IRQ_WBTO, |
| 142 | .end = AXP288_IRQ_WBTO, |
| 143 | .flags = IORESOURCE_IRQ, |
| 144 | }, |
| 145 | { |
| 146 | .start = AXP288_IRQ_WL2, |
| 147 | .end = AXP288_IRQ_WL2, |
| 148 | .flags = IORESOURCE_IRQ, |
| 149 | }, |
| 150 | { |
| 151 | .start = AXP288_IRQ_WL1, |
| 152 | .end = AXP288_IRQ_WL1, |
| 153 | .flags = IORESOURCE_IRQ, |
| 154 | }, |
| 155 | }; |
| 156 | |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 157 | static const struct regmap_config axp20x_regmap_config = { |
| 158 | .reg_bits = 8, |
| 159 | .val_bits = 8, |
| 160 | .wr_table = &axp20x_writeable_table, |
| 161 | .volatile_table = &axp20x_volatile_table, |
| 162 | .max_register = AXP20X_FG_RES, |
| 163 | .cache_type = REGCACHE_RBTREE, |
| 164 | }; |
| 165 | |
Boris BREZILLON | f05be58 | 2015-04-10 12:09:01 +0800 | [diff] [blame] | 166 | static const struct regmap_config axp22x_regmap_config = { |
| 167 | .reg_bits = 8, |
| 168 | .val_bits = 8, |
| 169 | .wr_table = &axp22x_writeable_table, |
| 170 | .volatile_table = &axp22x_volatile_table, |
| 171 | .max_register = AXP22X_BATLOW_THRES1, |
| 172 | .cache_type = REGCACHE_RBTREE, |
| 173 | }; |
| 174 | |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 175 | static const struct regmap_config axp288_regmap_config = { |
| 176 | .reg_bits = 8, |
| 177 | .val_bits = 8, |
| 178 | .wr_table = &axp288_writeable_table, |
| 179 | .volatile_table = &axp288_volatile_table, |
| 180 | .max_register = AXP288_FG_TUNE5, |
| 181 | .cache_type = REGCACHE_RBTREE, |
| 182 | }; |
| 183 | |
| 184 | #define INIT_REGMAP_IRQ(_variant, _irq, _off, _mask) \ |
| 185 | [_variant##_IRQ_##_irq] = { .reg_offset = (_off), .mask = BIT(_mask) } |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 186 | |
| 187 | static const struct regmap_irq axp20x_regmap_irqs[] = { |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 188 | INIT_REGMAP_IRQ(AXP20X, ACIN_OVER_V, 0, 7), |
| 189 | INIT_REGMAP_IRQ(AXP20X, ACIN_PLUGIN, 0, 6), |
| 190 | INIT_REGMAP_IRQ(AXP20X, ACIN_REMOVAL, 0, 5), |
| 191 | INIT_REGMAP_IRQ(AXP20X, VBUS_OVER_V, 0, 4), |
| 192 | INIT_REGMAP_IRQ(AXP20X, VBUS_PLUGIN, 0, 3), |
| 193 | INIT_REGMAP_IRQ(AXP20X, VBUS_REMOVAL, 0, 2), |
| 194 | INIT_REGMAP_IRQ(AXP20X, VBUS_V_LOW, 0, 1), |
| 195 | INIT_REGMAP_IRQ(AXP20X, BATT_PLUGIN, 1, 7), |
| 196 | INIT_REGMAP_IRQ(AXP20X, BATT_REMOVAL, 1, 6), |
| 197 | INIT_REGMAP_IRQ(AXP20X, BATT_ENT_ACT_MODE, 1, 5), |
| 198 | INIT_REGMAP_IRQ(AXP20X, BATT_EXIT_ACT_MODE, 1, 4), |
| 199 | INIT_REGMAP_IRQ(AXP20X, CHARG, 1, 3), |
| 200 | INIT_REGMAP_IRQ(AXP20X, CHARG_DONE, 1, 2), |
| 201 | INIT_REGMAP_IRQ(AXP20X, BATT_TEMP_HIGH, 1, 1), |
| 202 | INIT_REGMAP_IRQ(AXP20X, BATT_TEMP_LOW, 1, 0), |
| 203 | INIT_REGMAP_IRQ(AXP20X, DIE_TEMP_HIGH, 2, 7), |
| 204 | INIT_REGMAP_IRQ(AXP20X, CHARG_I_LOW, 2, 6), |
| 205 | INIT_REGMAP_IRQ(AXP20X, DCDC1_V_LONG, 2, 5), |
| 206 | INIT_REGMAP_IRQ(AXP20X, DCDC2_V_LONG, 2, 4), |
| 207 | INIT_REGMAP_IRQ(AXP20X, DCDC3_V_LONG, 2, 3), |
| 208 | INIT_REGMAP_IRQ(AXP20X, PEK_SHORT, 2, 1), |
| 209 | INIT_REGMAP_IRQ(AXP20X, PEK_LONG, 2, 0), |
| 210 | INIT_REGMAP_IRQ(AXP20X, N_OE_PWR_ON, 3, 7), |
| 211 | INIT_REGMAP_IRQ(AXP20X, N_OE_PWR_OFF, 3, 6), |
| 212 | INIT_REGMAP_IRQ(AXP20X, VBUS_VALID, 3, 5), |
| 213 | INIT_REGMAP_IRQ(AXP20X, VBUS_NOT_VALID, 3, 4), |
| 214 | INIT_REGMAP_IRQ(AXP20X, VBUS_SESS_VALID, 3, 3), |
| 215 | INIT_REGMAP_IRQ(AXP20X, VBUS_SESS_END, 3, 2), |
| 216 | INIT_REGMAP_IRQ(AXP20X, LOW_PWR_LVL1, 3, 1), |
| 217 | INIT_REGMAP_IRQ(AXP20X, LOW_PWR_LVL2, 3, 0), |
| 218 | INIT_REGMAP_IRQ(AXP20X, TIMER, 4, 7), |
| 219 | INIT_REGMAP_IRQ(AXP20X, PEK_RIS_EDGE, 4, 6), |
| 220 | INIT_REGMAP_IRQ(AXP20X, PEK_FAL_EDGE, 4, 5), |
| 221 | INIT_REGMAP_IRQ(AXP20X, GPIO3_INPUT, 4, 3), |
| 222 | INIT_REGMAP_IRQ(AXP20X, GPIO2_INPUT, 4, 2), |
| 223 | INIT_REGMAP_IRQ(AXP20X, GPIO1_INPUT, 4, 1), |
| 224 | INIT_REGMAP_IRQ(AXP20X, GPIO0_INPUT, 4, 0), |
| 225 | }; |
| 226 | |
Boris BREZILLON | f05be58 | 2015-04-10 12:09:01 +0800 | [diff] [blame] | 227 | static const struct regmap_irq axp22x_regmap_irqs[] = { |
| 228 | INIT_REGMAP_IRQ(AXP22X, ACIN_OVER_V, 0, 7), |
| 229 | INIT_REGMAP_IRQ(AXP22X, ACIN_PLUGIN, 0, 6), |
| 230 | INIT_REGMAP_IRQ(AXP22X, ACIN_REMOVAL, 0, 5), |
| 231 | INIT_REGMAP_IRQ(AXP22X, VBUS_OVER_V, 0, 4), |
| 232 | INIT_REGMAP_IRQ(AXP22X, VBUS_PLUGIN, 0, 3), |
| 233 | INIT_REGMAP_IRQ(AXP22X, VBUS_REMOVAL, 0, 2), |
| 234 | INIT_REGMAP_IRQ(AXP22X, VBUS_V_LOW, 0, 1), |
| 235 | INIT_REGMAP_IRQ(AXP22X, BATT_PLUGIN, 1, 7), |
| 236 | INIT_REGMAP_IRQ(AXP22X, BATT_REMOVAL, 1, 6), |
| 237 | INIT_REGMAP_IRQ(AXP22X, BATT_ENT_ACT_MODE, 1, 5), |
| 238 | INIT_REGMAP_IRQ(AXP22X, BATT_EXIT_ACT_MODE, 1, 4), |
| 239 | INIT_REGMAP_IRQ(AXP22X, CHARG, 1, 3), |
| 240 | INIT_REGMAP_IRQ(AXP22X, CHARG_DONE, 1, 2), |
| 241 | INIT_REGMAP_IRQ(AXP22X, BATT_TEMP_HIGH, 1, 1), |
| 242 | INIT_REGMAP_IRQ(AXP22X, BATT_TEMP_LOW, 1, 0), |
| 243 | INIT_REGMAP_IRQ(AXP22X, DIE_TEMP_HIGH, 2, 7), |
| 244 | INIT_REGMAP_IRQ(AXP22X, PEK_SHORT, 2, 1), |
| 245 | INIT_REGMAP_IRQ(AXP22X, PEK_LONG, 2, 0), |
| 246 | INIT_REGMAP_IRQ(AXP22X, LOW_PWR_LVL1, 3, 1), |
| 247 | INIT_REGMAP_IRQ(AXP22X, LOW_PWR_LVL2, 3, 0), |
| 248 | INIT_REGMAP_IRQ(AXP22X, TIMER, 4, 7), |
| 249 | INIT_REGMAP_IRQ(AXP22X, PEK_RIS_EDGE, 4, 6), |
| 250 | INIT_REGMAP_IRQ(AXP22X, PEK_FAL_EDGE, 4, 5), |
| 251 | INIT_REGMAP_IRQ(AXP22X, GPIO1_INPUT, 4, 1), |
| 252 | INIT_REGMAP_IRQ(AXP22X, GPIO0_INPUT, 4, 0), |
| 253 | }; |
| 254 | |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 255 | /* some IRQs are compatible with axp20x models */ |
| 256 | static const struct regmap_irq axp288_regmap_irqs[] = { |
Jacob Pan | ff3bbc5 | 2014-11-11 11:30:09 -0800 | [diff] [blame] | 257 | INIT_REGMAP_IRQ(AXP288, VBUS_FALL, 0, 2), |
| 258 | INIT_REGMAP_IRQ(AXP288, VBUS_RISE, 0, 3), |
| 259 | INIT_REGMAP_IRQ(AXP288, OV, 0, 4), |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 260 | |
Jacob Pan | ff3bbc5 | 2014-11-11 11:30:09 -0800 | [diff] [blame] | 261 | INIT_REGMAP_IRQ(AXP288, DONE, 1, 2), |
| 262 | INIT_REGMAP_IRQ(AXP288, CHARGING, 1, 3), |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 263 | INIT_REGMAP_IRQ(AXP288, SAFE_QUIT, 1, 4), |
| 264 | INIT_REGMAP_IRQ(AXP288, SAFE_ENTER, 1, 5), |
Jacob Pan | ff3bbc5 | 2014-11-11 11:30:09 -0800 | [diff] [blame] | 265 | INIT_REGMAP_IRQ(AXP288, ABSENT, 1, 6), |
| 266 | INIT_REGMAP_IRQ(AXP288, APPEND, 1, 7), |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 267 | |
| 268 | INIT_REGMAP_IRQ(AXP288, QWBTU, 2, 0), |
| 269 | INIT_REGMAP_IRQ(AXP288, WBTU, 2, 1), |
| 270 | INIT_REGMAP_IRQ(AXP288, QWBTO, 2, 2), |
Jacob Pan | ff3bbc5 | 2014-11-11 11:30:09 -0800 | [diff] [blame] | 271 | INIT_REGMAP_IRQ(AXP288, WBTO, 2, 3), |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 272 | INIT_REGMAP_IRQ(AXP288, QCBTU, 2, 4), |
| 273 | INIT_REGMAP_IRQ(AXP288, CBTU, 2, 5), |
| 274 | INIT_REGMAP_IRQ(AXP288, QCBTO, 2, 6), |
| 275 | INIT_REGMAP_IRQ(AXP288, CBTO, 2, 7), |
| 276 | |
| 277 | INIT_REGMAP_IRQ(AXP288, WL2, 3, 0), |
| 278 | INIT_REGMAP_IRQ(AXP288, WL1, 3, 1), |
| 279 | INIT_REGMAP_IRQ(AXP288, GPADC, 3, 2), |
| 280 | INIT_REGMAP_IRQ(AXP288, OT, 3, 7), |
| 281 | |
| 282 | INIT_REGMAP_IRQ(AXP288, GPIO0, 4, 0), |
| 283 | INIT_REGMAP_IRQ(AXP288, GPIO1, 4, 1), |
| 284 | INIT_REGMAP_IRQ(AXP288, POKO, 4, 2), |
| 285 | INIT_REGMAP_IRQ(AXP288, POKL, 4, 3), |
| 286 | INIT_REGMAP_IRQ(AXP288, POKS, 4, 4), |
| 287 | INIT_REGMAP_IRQ(AXP288, POKN, 4, 5), |
| 288 | INIT_REGMAP_IRQ(AXP288, POKP, 4, 6), |
Jacob Pan | ff3bbc5 | 2014-11-11 11:30:09 -0800 | [diff] [blame] | 289 | INIT_REGMAP_IRQ(AXP288, TIMER, 4, 7), |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 290 | |
| 291 | INIT_REGMAP_IRQ(AXP288, MV_CHNG, 5, 0), |
| 292 | INIT_REGMAP_IRQ(AXP288, BC_USB_CHNG, 5, 1), |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 293 | }; |
| 294 | |
| 295 | static const struct of_device_id axp20x_of_match[] = { |
| 296 | { .compatible = "x-powers,axp202", .data = (void *) AXP202_ID }, |
| 297 | { .compatible = "x-powers,axp209", .data = (void *) AXP209_ID }, |
Boris BREZILLON | f05be58 | 2015-04-10 12:09:01 +0800 | [diff] [blame] | 298 | { .compatible = "x-powers,axp221", .data = (void *) AXP221_ID }, |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 299 | { }, |
| 300 | }; |
| 301 | MODULE_DEVICE_TABLE(of, axp20x_of_match); |
| 302 | |
| 303 | /* |
| 304 | * This is useless for OF-enabled devices, but it is needed by I2C subsystem |
| 305 | */ |
| 306 | static const struct i2c_device_id axp20x_i2c_id[] = { |
| 307 | { }, |
| 308 | }; |
| 309 | MODULE_DEVICE_TABLE(i2c, axp20x_i2c_id); |
| 310 | |
Lee Jones | 0e50e92 | 2014-11-11 12:36:46 +0000 | [diff] [blame] | 311 | static const struct acpi_device_id axp20x_acpi_match[] = { |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 312 | { |
| 313 | .id = "INT33F4", |
| 314 | .driver_data = AXP288_ID, |
| 315 | }, |
| 316 | { }, |
| 317 | }; |
| 318 | MODULE_DEVICE_TABLE(acpi, axp20x_acpi_match); |
| 319 | |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 320 | static const struct regmap_irq_chip axp20x_regmap_irq_chip = { |
| 321 | .name = "axp20x_irq_chip", |
| 322 | .status_base = AXP20X_IRQ1_STATE, |
| 323 | .ack_base = AXP20X_IRQ1_STATE, |
| 324 | .mask_base = AXP20X_IRQ1_EN, |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 325 | .mask_invert = true, |
| 326 | .init_ack_masked = true, |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 327 | .irqs = axp20x_regmap_irqs, |
| 328 | .num_irqs = ARRAY_SIZE(axp20x_regmap_irqs), |
| 329 | .num_regs = 5, |
| 330 | |
| 331 | }; |
| 332 | |
Boris BREZILLON | f05be58 | 2015-04-10 12:09:01 +0800 | [diff] [blame] | 333 | static const struct regmap_irq_chip axp22x_regmap_irq_chip = { |
| 334 | .name = "axp22x_irq_chip", |
| 335 | .status_base = AXP20X_IRQ1_STATE, |
| 336 | .ack_base = AXP20X_IRQ1_STATE, |
| 337 | .mask_base = AXP20X_IRQ1_EN, |
| 338 | .mask_invert = true, |
| 339 | .init_ack_masked = true, |
| 340 | .irqs = axp22x_regmap_irqs, |
| 341 | .num_irqs = ARRAY_SIZE(axp22x_regmap_irqs), |
| 342 | .num_regs = 5, |
| 343 | }; |
| 344 | |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 345 | static const struct regmap_irq_chip axp288_regmap_irq_chip = { |
| 346 | .name = "axp288_irq_chip", |
| 347 | .status_base = AXP20X_IRQ1_STATE, |
| 348 | .ack_base = AXP20X_IRQ1_STATE, |
| 349 | .mask_base = AXP20X_IRQ1_EN, |
| 350 | .mask_invert = true, |
| 351 | .init_ack_masked = true, |
| 352 | .irqs = axp288_regmap_irqs, |
| 353 | .num_irqs = ARRAY_SIZE(axp288_regmap_irqs), |
| 354 | .num_regs = 6, |
| 355 | |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 356 | }; |
| 357 | |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 358 | static struct mfd_cell axp20x_cells[] = { |
| 359 | { |
| 360 | .name = "axp20x-pek", |
| 361 | .num_resources = ARRAY_SIZE(axp20x_pek_resources), |
| 362 | .resources = axp20x_pek_resources, |
| 363 | }, { |
| 364 | .name = "axp20x-regulator", |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 365 | }, |
| 366 | }; |
| 367 | |
Boris BREZILLON | f05be58 | 2015-04-10 12:09:01 +0800 | [diff] [blame] | 368 | static struct mfd_cell axp22x_cells[] = { |
| 369 | { |
| 370 | .name = "axp20x-pek", |
| 371 | .num_resources = ARRAY_SIZE(axp22x_pek_resources), |
| 372 | .resources = axp22x_pek_resources, |
Chen-Yu Tsai | 6d4fa89 | 2015-04-10 12:09:06 +0800 | [diff] [blame] | 373 | }, { |
| 374 | .name = "axp20x-regulator", |
Boris BREZILLON | f05be58 | 2015-04-10 12:09:01 +0800 | [diff] [blame] | 375 | }, |
| 376 | }; |
| 377 | |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 378 | static struct resource axp288_adc_resources[] = { |
| 379 | { |
| 380 | .name = "GPADC", |
| 381 | .start = AXP288_IRQ_GPADC, |
| 382 | .end = AXP288_IRQ_GPADC, |
| 383 | .flags = IORESOURCE_IRQ, |
| 384 | }, |
| 385 | }; |
| 386 | |
Ramakrishna Pallala | bdb01f7 | 2015-04-03 00:49:47 +0530 | [diff] [blame] | 387 | static struct resource axp288_extcon_resources[] = { |
| 388 | { |
| 389 | .start = AXP288_IRQ_VBUS_FALL, |
| 390 | .end = AXP288_IRQ_VBUS_FALL, |
| 391 | .flags = IORESOURCE_IRQ, |
| 392 | }, |
| 393 | { |
| 394 | .start = AXP288_IRQ_VBUS_RISE, |
| 395 | .end = AXP288_IRQ_VBUS_RISE, |
| 396 | .flags = IORESOURCE_IRQ, |
| 397 | }, |
| 398 | { |
| 399 | .start = AXP288_IRQ_MV_CHNG, |
| 400 | .end = AXP288_IRQ_MV_CHNG, |
| 401 | .flags = IORESOURCE_IRQ, |
| 402 | }, |
| 403 | { |
| 404 | .start = AXP288_IRQ_BC_USB_CHNG, |
| 405 | .end = AXP288_IRQ_BC_USB_CHNG, |
| 406 | .flags = IORESOURCE_IRQ, |
| 407 | }, |
| 408 | }; |
| 409 | |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 410 | static struct resource axp288_charger_resources[] = { |
| 411 | { |
| 412 | .start = AXP288_IRQ_OV, |
| 413 | .end = AXP288_IRQ_OV, |
| 414 | .flags = IORESOURCE_IRQ, |
| 415 | }, |
| 416 | { |
| 417 | .start = AXP288_IRQ_DONE, |
| 418 | .end = AXP288_IRQ_DONE, |
| 419 | .flags = IORESOURCE_IRQ, |
| 420 | }, |
| 421 | { |
| 422 | .start = AXP288_IRQ_CHARGING, |
| 423 | .end = AXP288_IRQ_CHARGING, |
| 424 | .flags = IORESOURCE_IRQ, |
| 425 | }, |
| 426 | { |
| 427 | .start = AXP288_IRQ_SAFE_QUIT, |
| 428 | .end = AXP288_IRQ_SAFE_QUIT, |
| 429 | .flags = IORESOURCE_IRQ, |
| 430 | }, |
| 431 | { |
| 432 | .start = AXP288_IRQ_SAFE_ENTER, |
| 433 | .end = AXP288_IRQ_SAFE_ENTER, |
| 434 | .flags = IORESOURCE_IRQ, |
| 435 | }, |
| 436 | { |
| 437 | .start = AXP288_IRQ_QCBTU, |
| 438 | .end = AXP288_IRQ_QCBTU, |
| 439 | .flags = IORESOURCE_IRQ, |
| 440 | }, |
| 441 | { |
| 442 | .start = AXP288_IRQ_CBTU, |
| 443 | .end = AXP288_IRQ_CBTU, |
| 444 | .flags = IORESOURCE_IRQ, |
| 445 | }, |
| 446 | { |
| 447 | .start = AXP288_IRQ_QCBTO, |
| 448 | .end = AXP288_IRQ_QCBTO, |
| 449 | .flags = IORESOURCE_IRQ, |
| 450 | }, |
| 451 | { |
| 452 | .start = AXP288_IRQ_CBTO, |
| 453 | .end = AXP288_IRQ_CBTO, |
| 454 | .flags = IORESOURCE_IRQ, |
| 455 | }, |
| 456 | }; |
| 457 | |
| 458 | static struct mfd_cell axp288_cells[] = { |
| 459 | { |
| 460 | .name = "axp288_adc", |
| 461 | .num_resources = ARRAY_SIZE(axp288_adc_resources), |
| 462 | .resources = axp288_adc_resources, |
| 463 | }, |
| 464 | { |
Ramakrishna Pallala | bdb01f7 | 2015-04-03 00:49:47 +0530 | [diff] [blame] | 465 | .name = "axp288_extcon", |
| 466 | .num_resources = ARRAY_SIZE(axp288_extcon_resources), |
| 467 | .resources = axp288_extcon_resources, |
| 468 | }, |
| 469 | { |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 470 | .name = "axp288_charger", |
| 471 | .num_resources = ARRAY_SIZE(axp288_charger_resources), |
| 472 | .resources = axp288_charger_resources, |
| 473 | }, |
| 474 | { |
Todd Brandt | d6387874 | 2015-02-02 15:41:41 -0800 | [diff] [blame] | 475 | .name = "axp288_fuel_gauge", |
| 476 | .num_resources = ARRAY_SIZE(axp288_fuel_gauge_resources), |
| 477 | .resources = axp288_fuel_gauge_resources, |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 478 | }, |
Aaron Lu | d8139f6 | 2014-11-24 17:24:47 +0800 | [diff] [blame] | 479 | { |
| 480 | .name = "axp288_pmic_acpi", |
| 481 | }, |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 482 | }; |
| 483 | |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 484 | static struct axp20x_dev *axp20x_pm_power_off; |
| 485 | static void axp20x_power_off(void) |
| 486 | { |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 487 | if (axp20x_pm_power_off->variant == AXP288_ID) |
| 488 | return; |
| 489 | |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 490 | regmap_write(axp20x_pm_power_off->regmap, AXP20X_OFF_CTRL, |
| 491 | AXP20X_OFF); |
| 492 | } |
| 493 | |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 494 | static int axp20x_match_device(struct axp20x_dev *axp20x, struct device *dev) |
| 495 | { |
| 496 | const struct acpi_device_id *acpi_id; |
| 497 | const struct of_device_id *of_id; |
| 498 | |
| 499 | if (dev->of_node) { |
| 500 | of_id = of_match_device(axp20x_of_match, dev); |
| 501 | if (!of_id) { |
| 502 | dev_err(dev, "Unable to match OF ID\n"); |
| 503 | return -ENODEV; |
| 504 | } |
| 505 | axp20x->variant = (long) of_id->data; |
| 506 | } else { |
| 507 | acpi_id = acpi_match_device(dev->driver->acpi_match_table, dev); |
| 508 | if (!acpi_id || !acpi_id->driver_data) { |
| 509 | dev_err(dev, "Unable to match ACPI ID and data\n"); |
| 510 | return -ENODEV; |
| 511 | } |
| 512 | axp20x->variant = (long) acpi_id->driver_data; |
| 513 | } |
| 514 | |
| 515 | switch (axp20x->variant) { |
| 516 | case AXP202_ID: |
| 517 | case AXP209_ID: |
| 518 | axp20x->nr_cells = ARRAY_SIZE(axp20x_cells); |
| 519 | axp20x->cells = axp20x_cells; |
| 520 | axp20x->regmap_cfg = &axp20x_regmap_config; |
| 521 | axp20x->regmap_irq_chip = &axp20x_regmap_irq_chip; |
| 522 | break; |
Boris BREZILLON | f05be58 | 2015-04-10 12:09:01 +0800 | [diff] [blame] | 523 | case AXP221_ID: |
| 524 | axp20x->nr_cells = ARRAY_SIZE(axp22x_cells); |
| 525 | axp20x->cells = axp22x_cells; |
| 526 | axp20x->regmap_cfg = &axp22x_regmap_config; |
| 527 | axp20x->regmap_irq_chip = &axp22x_regmap_irq_chip; |
| 528 | break; |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 529 | case AXP288_ID: |
| 530 | axp20x->cells = axp288_cells; |
| 531 | axp20x->nr_cells = ARRAY_SIZE(axp288_cells); |
| 532 | axp20x->regmap_cfg = &axp288_regmap_config; |
| 533 | axp20x->regmap_irq_chip = &axp288_regmap_irq_chip; |
| 534 | break; |
| 535 | default: |
| 536 | dev_err(dev, "unsupported AXP20X ID %lu\n", axp20x->variant); |
| 537 | return -EINVAL; |
| 538 | } |
| 539 | dev_info(dev, "AXP20x variant %s found\n", |
| 540 | axp20x_model_names[axp20x->variant]); |
| 541 | |
| 542 | return 0; |
| 543 | } |
| 544 | |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 545 | static int axp20x_i2c_probe(struct i2c_client *i2c, |
| 546 | const struct i2c_device_id *id) |
| 547 | { |
| 548 | struct axp20x_dev *axp20x; |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 549 | int ret; |
| 550 | |
| 551 | axp20x = devm_kzalloc(&i2c->dev, sizeof(*axp20x), GFP_KERNEL); |
| 552 | if (!axp20x) |
| 553 | return -ENOMEM; |
| 554 | |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 555 | ret = axp20x_match_device(axp20x, &i2c->dev); |
| 556 | if (ret) |
| 557 | return ret; |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 558 | |
| 559 | axp20x->i2c_client = i2c; |
| 560 | axp20x->dev = &i2c->dev; |
| 561 | dev_set_drvdata(axp20x->dev, axp20x); |
| 562 | |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 563 | axp20x->regmap = devm_regmap_init_i2c(i2c, axp20x->regmap_cfg); |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 564 | if (IS_ERR(axp20x->regmap)) { |
| 565 | ret = PTR_ERR(axp20x->regmap); |
| 566 | dev_err(&i2c->dev, "regmap init failed: %d\n", ret); |
| 567 | return ret; |
| 568 | } |
| 569 | |
| 570 | ret = regmap_add_irq_chip(axp20x->regmap, i2c->irq, |
| 571 | IRQF_ONESHOT | IRQF_SHARED, -1, |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 572 | axp20x->regmap_irq_chip, |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 573 | &axp20x->regmap_irqc); |
| 574 | if (ret) { |
| 575 | dev_err(&i2c->dev, "failed to add irq chip: %d\n", ret); |
| 576 | return ret; |
| 577 | } |
| 578 | |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 579 | ret = mfd_add_devices(axp20x->dev, -1, axp20x->cells, |
| 580 | axp20x->nr_cells, NULL, 0, NULL); |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 581 | |
| 582 | if (ret) { |
| 583 | dev_err(&i2c->dev, "failed to add MFD devices: %d\n", ret); |
| 584 | regmap_del_irq_chip(i2c->irq, axp20x->regmap_irqc); |
| 585 | return ret; |
| 586 | } |
| 587 | |
| 588 | if (!pm_power_off) { |
| 589 | axp20x_pm_power_off = axp20x; |
| 590 | pm_power_off = axp20x_power_off; |
| 591 | } |
| 592 | |
| 593 | dev_info(&i2c->dev, "AXP20X driver loaded\n"); |
| 594 | |
| 595 | return 0; |
| 596 | } |
| 597 | |
| 598 | static int axp20x_i2c_remove(struct i2c_client *i2c) |
| 599 | { |
| 600 | struct axp20x_dev *axp20x = i2c_get_clientdata(i2c); |
| 601 | |
| 602 | if (axp20x == axp20x_pm_power_off) { |
| 603 | axp20x_pm_power_off = NULL; |
| 604 | pm_power_off = NULL; |
| 605 | } |
| 606 | |
| 607 | mfd_remove_devices(axp20x->dev); |
| 608 | regmap_del_irq_chip(axp20x->i2c_client->irq, axp20x->regmap_irqc); |
| 609 | |
| 610 | return 0; |
| 611 | } |
| 612 | |
| 613 | static struct i2c_driver axp20x_i2c_driver = { |
| 614 | .driver = { |
| 615 | .name = "axp20x", |
| 616 | .owner = THIS_MODULE, |
| 617 | .of_match_table = of_match_ptr(axp20x_of_match), |
Jacob Pan | af7e906 | 2014-10-06 21:17:14 -0700 | [diff] [blame] | 618 | .acpi_match_table = ACPI_PTR(axp20x_acpi_match), |
Carlo Caione | cfb61a4 | 2014-05-01 14:29:27 +0200 | [diff] [blame] | 619 | }, |
| 620 | .probe = axp20x_i2c_probe, |
| 621 | .remove = axp20x_i2c_remove, |
| 622 | .id_table = axp20x_i2c_id, |
| 623 | }; |
| 624 | |
| 625 | module_i2c_driver(axp20x_i2c_driver); |
| 626 | |
| 627 | MODULE_DESCRIPTION("PMIC MFD core driver for AXP20X"); |
| 628 | MODULE_AUTHOR("Carlo Caione <carlo@caione.org>"); |
| 629 | MODULE_LICENSE("GPL"); |