drivers/regulator/axp20x-regulator.c

   1 /*
   2  * AXP20x regulators driver.
   3  *
   4  * Copyright (C) 2013 Carlo Caione <carlo@caione.org>
   5  *
   6  * This file is subject to the terms and conditions of the GNU General
   7  * Public License. See the file "COPYING" in the main directory of this
   8  * archive for more details.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <linux/bitops.h>
  17 #include <linux/delay.h>
  18 #include <linux/err.h>
  19 #include <linux/init.h>
  20 #include <linux/mfd/axp20x.h>
  21 #include <linux/module.h>
  22 #include <linux/of.h>
  23 #include <linux/of_device.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/regmap.h>
  26 #include <linux/regulator/driver.h>
  27 #include <linux/regulator/machine.h>
  28 #include <linux/regulator/of_regulator.h>
  29
  30 #define AXP20X_GPIO0_FUNC_MASK          GENMASK(3, 0)
  31 #define AXP20X_GPIO1_FUNC_MASK          GENMASK(3, 0)
  32
  33 #define AXP20X_IO_ENABLED               0x03
  34 #define AXP20X_IO_DISABLED              0x07
  35
  36 #define AXP20X_WORKMODE_DCDC2_MASK      BIT_MASK(2)
  37 #define AXP20X_WORKMODE_DCDC3_MASK      BIT_MASK(1)
  38
  39 #define AXP20X_FREQ_DCDC_MASK           GENMASK(3, 0)
  40
  41 #define AXP20X_VBUS_IPSOUT_MGMT_MASK    BIT_MASK(2)
  42
  43 #define AXP20X_DCDC2_V_OUT_MASK         GENMASK(5, 0)
  44 #define AXP20X_DCDC3_V_OUT_MASK         GENMASK(7, 0)
  45 #define AXP20X_LDO24_V_OUT_MASK         GENMASK(7, 4)
  46 #define AXP20X_LDO3_V_OUT_MASK          GENMASK(6, 0)
  47 #define AXP20X_LDO5_V_OUT_MASK          GENMASK(7, 4)
  48
  49 #define AXP20X_PWR_OUT_EXTEN_MASK       BIT_MASK(0)
  50 #define AXP20X_PWR_OUT_DCDC3_MASK       BIT_MASK(1)
  51 #define AXP20X_PWR_OUT_LDO2_MASK        BIT_MASK(2)
  52 #define AXP20X_PWR_OUT_LDO4_MASK        BIT_MASK(3)
  53 #define AXP20X_PWR_OUT_DCDC2_MASK       BIT_MASK(4)
  54 #define AXP20X_PWR_OUT_LDO3_MASK        BIT_MASK(6)
  55
  56 #define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE_MASK        BIT_MASK(0)
  57 #define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE(x) \
  58         ((x) << 0)
  59 #define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE_MASK         BIT_MASK(1)
  60 #define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE(x) \
  61         ((x) << 1)
  62 #define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN_MASK          BIT_MASK(2)
  63 #define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN               BIT(2)
  64 #define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN_MASK           BIT_MASK(3)
  65 #define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN                BIT(3)
  66
  67 #define AXP20X_LDO4_V_OUT_1250mV_START  0x0
  68 #define AXP20X_LDO4_V_OUT_1250mV_STEPS  0
  69 #define AXP20X_LDO4_V_OUT_1250mV_END    \
  70         (AXP20X_LDO4_V_OUT_1250mV_START + AXP20X_LDO4_V_OUT_1250mV_STEPS)
  71 #define AXP20X_LDO4_V_OUT_1300mV_START  0x1
  72 #define AXP20X_LDO4_V_OUT_1300mV_STEPS  7
  73 #define AXP20X_LDO4_V_OUT_1300mV_END    \
  74         (AXP20X_LDO4_V_OUT_1300mV_START + AXP20X_LDO4_V_OUT_1300mV_STEPS)
  75 #define AXP20X_LDO4_V_OUT_2500mV_START  0x9
  76 #define AXP20X_LDO4_V_OUT_2500mV_STEPS  0
  77 #define AXP20X_LDO4_V_OUT_2500mV_END    \
  78         (AXP20X_LDO4_V_OUT_2500mV_START + AXP20X_LDO4_V_OUT_2500mV_STEPS)
  79 #define AXP20X_LDO4_V_OUT_2700mV_START  0xa
  80 #define AXP20X_LDO4_V_OUT_2700mV_STEPS  1
  81 #define AXP20X_LDO4_V_OUT_2700mV_END    \
  82         (AXP20X_LDO4_V_OUT_2700mV_START + AXP20X_LDO4_V_OUT_2700mV_STEPS)
  83 #define AXP20X_LDO4_V_OUT_3000mV_START  0xc
  84 #define AXP20X_LDO4_V_OUT_3000mV_STEPS  3
  85 #define AXP20X_LDO4_V_OUT_3000mV_END    \
  86         (AXP20X_LDO4_V_OUT_3000mV_START + AXP20X_LDO4_V_OUT_3000mV_STEPS)
  87 #define AXP20X_LDO4_V_OUT_NUM_VOLTAGES  16
  88
  89 #define AXP22X_IO_ENABLED               0x03
  90 #define AXP22X_IO_DISABLED              0x04
  91
  92 #define AXP22X_WORKMODE_DCDCX_MASK(x)   BIT_MASK(x)
  93
  94 #define AXP22X_MISC_N_VBUSEN_FUNC       BIT(4)
  95
  96 #define AXP22X_DCDC1_V_OUT_MASK         GENMASK(4, 0)
  97 #define AXP22X_DCDC2_V_OUT_MASK         GENMASK(5, 0)
  98 #define AXP22X_DCDC3_V_OUT_MASK         GENMASK(5, 0)
  99 #define AXP22X_DCDC4_V_OUT_MASK         GENMASK(5, 0)
 100 #define AXP22X_DCDC5_V_OUT_MASK         GENMASK(4, 0)
 101 #define AXP22X_DC5LDO_V_OUT_MASK        GENMASK(2, 0)
 102 #define AXP22X_ALDO1_V_OUT_MASK         GENMASK(4, 0)
 103 #define AXP22X_ALDO2_V_OUT_MASK         GENMASK(4, 0)
 104 #define AXP22X_ALDO3_V_OUT_MASK         GENMASK(4, 0)
 105 #define AXP22X_DLDO1_V_OUT_MASK         GENMASK(4, 0)
 106 #define AXP22X_DLDO2_V_OUT_MASK         GENMASK(4, 0)
 107 #define AXP22X_DLDO3_V_OUT_MASK         GENMASK(4, 0)
 108 #define AXP22X_DLDO4_V_OUT_MASK         GENMASK(4, 0)
 109 #define AXP22X_ELDO1_V_OUT_MASK         GENMASK(4, 0)
 110 #define AXP22X_ELDO2_V_OUT_MASK         GENMASK(4, 0)
 111 #define AXP22X_ELDO3_V_OUT_MASK         GENMASK(4, 0)
 112 #define AXP22X_LDO_IO0_V_OUT_MASK       GENMASK(4, 0)
 113 #define AXP22X_LDO_IO1_V_OUT_MASK       GENMASK(4, 0)
 114
 115 #define AXP22X_PWR_OUT_DC5LDO_MASK      BIT_MASK(0)
 116 #define AXP22X_PWR_OUT_DCDC1_MASK       BIT_MASK(1)
 117 #define AXP22X_PWR_OUT_DCDC2_MASK       BIT_MASK(2)
 118 #define AXP22X_PWR_OUT_DCDC3_MASK       BIT_MASK(3)
 119 #define AXP22X_PWR_OUT_DCDC4_MASK       BIT_MASK(4)
 120 #define AXP22X_PWR_OUT_DCDC5_MASK       BIT_MASK(5)
 121 #define AXP22X_PWR_OUT_ALDO1_MASK       BIT_MASK(6)
 122 #define AXP22X_PWR_OUT_ALDO2_MASK       BIT_MASK(7)
 123
 124 #define AXP22X_PWR_OUT_SW_MASK          BIT_MASK(6)
 125 #define AXP22X_PWR_OUT_DC1SW_MASK       BIT_MASK(7)
 126
 127 #define AXP22X_PWR_OUT_ELDO1_MASK       BIT_MASK(0)
 128 #define AXP22X_PWR_OUT_ELDO2_MASK       BIT_MASK(1)
 129 #define AXP22X_PWR_OUT_ELDO3_MASK       BIT_MASK(2)
 130 #define AXP22X_PWR_OUT_DLDO1_MASK       BIT_MASK(3)
 131 #define AXP22X_PWR_OUT_DLDO2_MASK       BIT_MASK(4)
 132 #define AXP22X_PWR_OUT_DLDO3_MASK       BIT_MASK(5)
 133 #define AXP22X_PWR_OUT_DLDO4_MASK       BIT_MASK(6)
 134 #define AXP22X_PWR_OUT_ALDO3_MASK       BIT_MASK(7)
 135
 136 #define AXP803_PWR_OUT_DCDC1_MASK       BIT_MASK(0)
 137 #define AXP803_PWR_OUT_DCDC2_MASK       BIT_MASK(1)
 138 #define AXP803_PWR_OUT_DCDC3_MASK       BIT_MASK(2)
 139 #define AXP803_PWR_OUT_DCDC4_MASK       BIT_MASK(3)
 140 #define AXP803_PWR_OUT_DCDC5_MASK       BIT_MASK(4)
 141 #define AXP803_PWR_OUT_DCDC6_MASK       BIT_MASK(5)
 142
 143 #define AXP803_PWR_OUT_FLDO1_MASK       BIT_MASK(2)
 144 #define AXP803_PWR_OUT_FLDO2_MASK       BIT_MASK(3)
 145
 146 #define AXP803_DCDC1_V_OUT_MASK         GENMASK(4, 0)
 147 #define AXP803_DCDC2_V_OUT_MASK         GENMASK(6, 0)
 148 #define AXP803_DCDC3_V_OUT_MASK         GENMASK(6, 0)
 149 #define AXP803_DCDC4_V_OUT_MASK         GENMASK(6, 0)
 150 #define AXP803_DCDC5_V_OUT_MASK         GENMASK(6, 0)
 151 #define AXP803_DCDC6_V_OUT_MASK         GENMASK(6, 0)
 152
 153 #define AXP803_FLDO1_V_OUT_MASK         GENMASK(3, 0)
 154 #define AXP803_FLDO2_V_OUT_MASK         GENMASK(3, 0)
 155
 156 #define AXP803_DCDC23_POLYPHASE_DUAL    BIT(6)
 157 #define AXP803_DCDC56_POLYPHASE_DUAL    BIT(5)
 158
 159 #define AXP803_DCDC234_500mV_START      0x00
 160 #define AXP803_DCDC234_500mV_STEPS      70
 161 #define AXP803_DCDC234_500mV_END        \
 162         (AXP803_DCDC234_500mV_START + AXP803_DCDC234_500mV_STEPS)
 163 #define AXP803_DCDC234_1220mV_START     0x47
 164 #define AXP803_DCDC234_1220mV_STEPS     4
 165 #define AXP803_DCDC234_1220mV_END       \
 166         (AXP803_DCDC234_1220mV_START + AXP803_DCDC234_1220mV_STEPS)
 167 #define AXP803_DCDC234_NUM_VOLTAGES     76
 168
 169 #define AXP803_DCDC5_800mV_START        0x00
 170 #define AXP803_DCDC5_800mV_STEPS        32
 171 #define AXP803_DCDC5_800mV_END          \
 172         (AXP803_DCDC5_800mV_START + AXP803_DCDC5_800mV_STEPS)
 173 #define AXP803_DCDC5_1140mV_START       0x21
 174 #define AXP803_DCDC5_1140mV_STEPS       35
 175 #define AXP803_DCDC5_1140mV_END         \
 176         (AXP803_DCDC5_1140mV_START + AXP803_DCDC5_1140mV_STEPS)
 177 #define AXP803_DCDC5_NUM_VOLTAGES       69
 178
 179 #define AXP803_DCDC6_600mV_START        0x00
 180 #define AXP803_DCDC6_600mV_STEPS        50
 181 #define AXP803_DCDC6_600mV_END          \
 182         (AXP803_DCDC6_600mV_START + AXP803_DCDC6_600mV_STEPS)
 183 #define AXP803_DCDC6_1120mV_START       0x33
 184 #define AXP803_DCDC6_1120mV_STEPS       20
 185 #define AXP803_DCDC6_1120mV_END         \
 186         (AXP803_DCDC6_1120mV_START + AXP803_DCDC6_1120mV_STEPS)
 187 #define AXP803_DCDC6_NUM_VOLTAGES       72
 188
 189 #define AXP803_DLDO2_700mV_START        0x00
 190 #define AXP803_DLDO2_700mV_STEPS        26
 191 #define AXP803_DLDO2_700mV_END          \
 192         (AXP803_DLDO2_700mV_START + AXP803_DLDO2_700mV_STEPS)
 193 #define AXP803_DLDO2_3400mV_START       0x1b
 194 #define AXP803_DLDO2_3400mV_STEPS       4
 195 #define AXP803_DLDO2_3400mV_END         \
 196         (AXP803_DLDO2_3400mV_START + AXP803_DLDO2_3400mV_STEPS)
 197 #define AXP803_DLDO2_NUM_VOLTAGES       32
 198
 199 #define AXP806_DCDCA_V_CTRL_MASK        GENMASK(6, 0)
 200 #define AXP806_DCDCB_V_CTRL_MASK        GENMASK(4, 0)
 201 #define AXP806_DCDCC_V_CTRL_MASK        GENMASK(6, 0)
 202 #define AXP806_DCDCD_V_CTRL_MASK        GENMASK(5, 0)
 203 #define AXP806_DCDCE_V_CTRL_MASK        GENMASK(4, 0)
 204 #define AXP806_ALDO1_V_CTRL_MASK        GENMASK(4, 0)
 205 #define AXP806_ALDO2_V_CTRL_MASK        GENMASK(4, 0)
 206 #define AXP806_ALDO3_V_CTRL_MASK        GENMASK(4, 0)
 207 #define AXP806_BLDO1_V_CTRL_MASK        GENMASK(3, 0)
 208 #define AXP806_BLDO2_V_CTRL_MASK        GENMASK(3, 0)
 209 #define AXP806_BLDO3_V_CTRL_MASK        GENMASK(3, 0)
 210 #define AXP806_BLDO4_V_CTRL_MASK        GENMASK(3, 0)
 211 #define AXP806_CLDO1_V_CTRL_MASK        GENMASK(4, 0)
 212 #define AXP806_CLDO2_V_CTRL_MASK        GENMASK(4, 0)
 213 #define AXP806_CLDO3_V_CTRL_MASK        GENMASK(4, 0)
 214
 215 #define AXP806_PWR_OUT_DCDCA_MASK       BIT_MASK(0)
 216 #define AXP806_PWR_OUT_DCDCB_MASK       BIT_MASK(1)
 217 #define AXP806_PWR_OUT_DCDCC_MASK       BIT_MASK(2)
 218 #define AXP806_PWR_OUT_DCDCD_MASK       BIT_MASK(3)
 219 #define AXP806_PWR_OUT_DCDCE_MASK       BIT_MASK(4)
 220 #define AXP806_PWR_OUT_ALDO1_MASK       BIT_MASK(5)
 221 #define AXP806_PWR_OUT_ALDO2_MASK       BIT_MASK(6)
 222 #define AXP806_PWR_OUT_ALDO3_MASK       BIT_MASK(7)
 223 #define AXP806_PWR_OUT_BLDO1_MASK       BIT_MASK(0)
 224 #define AXP806_PWR_OUT_BLDO2_MASK       BIT_MASK(1)
 225 #define AXP806_PWR_OUT_BLDO3_MASK       BIT_MASK(2)
 226 #define AXP806_PWR_OUT_BLDO4_MASK       BIT_MASK(3)
 227 #define AXP806_PWR_OUT_CLDO1_MASK       BIT_MASK(4)
 228 #define AXP806_PWR_OUT_CLDO2_MASK       BIT_MASK(5)
 229 #define AXP806_PWR_OUT_CLDO3_MASK       BIT_MASK(6)
 230 #define AXP806_PWR_OUT_SW_MASK          BIT_MASK(7)
 231
 232 #define AXP806_DCDCAB_POLYPHASE_DUAL    0x40
 233 #define AXP806_DCDCABC_POLYPHASE_TRI    0x80
 234 #define AXP806_DCDCABC_POLYPHASE_MASK   GENMASK(7, 6)
 235
 236 #define AXP806_DCDCDE_POLYPHASE_DUAL    BIT(5)
 237
 238 #define AXP806_DCDCA_600mV_START        0x00
 239 #define AXP806_DCDCA_600mV_STEPS        50
 240 #define AXP806_DCDCA_600mV_END          \
 241         (AXP806_DCDCA_600mV_START + AXP806_DCDCA_600mV_STEPS)
 242 #define AXP806_DCDCA_1120mV_START       0x33
 243 #define AXP806_DCDCA_1120mV_STEPS       20
 244 #define AXP806_DCDCA_1120mV_END         \
 245         (AXP806_DCDCA_1120mV_START + AXP806_DCDCA_1120mV_STEPS)
 246 #define AXP806_DCDCA_NUM_VOLTAGES       72
 247
 248 #define AXP806_DCDCD_600mV_START        0x00
 249 #define AXP806_DCDCD_600mV_STEPS        45
 250 #define AXP806_DCDCD_600mV_END          \
 251         (AXP806_DCDCD_600mV_START + AXP806_DCDCD_600mV_STEPS)
 252 #define AXP806_DCDCD_1600mV_START       0x2e
 253 #define AXP806_DCDCD_1600mV_STEPS       17
 254 #define AXP806_DCDCD_1600mV_END         \
 255         (AXP806_DCDCD_1600mV_START + AXP806_DCDCD_1600mV_STEPS)
 256 #define AXP806_DCDCD_NUM_VOLTAGES       64
 257
 258 #define AXP809_DCDC4_600mV_START        0x00
 259 #define AXP809_DCDC4_600mV_STEPS        47
 260 #define AXP809_DCDC4_600mV_END          \
 261         (AXP809_DCDC4_600mV_START + AXP809_DCDC4_600mV_STEPS)
 262 #define AXP809_DCDC4_1800mV_START       0x30
 263 #define AXP809_DCDC4_1800mV_STEPS       8
 264 #define AXP809_DCDC4_1800mV_END         \
 265         (AXP809_DCDC4_1800mV_START + AXP809_DCDC4_1800mV_STEPS)
 266 #define AXP809_DCDC4_NUM_VOLTAGES       57
 267
 268 #define AXP813_DCDC7_V_OUT_MASK         GENMASK(6, 0)
 269
 270 #define AXP813_PWR_OUT_DCDC7_MASK       BIT_MASK(6)
 271
 272 #define AXP_DESC_IO(_family, _id, _match, _supply, _min, _max, _step, _vreg,    \
 273                     _vmask, _ereg, _emask, _enable_val, _disable_val)           \
 274         [_family##_##_id] = {                                                   \
 275                 .name           = (_match),                                     \
 276                 .supply_name    = (_supply),                                    \
 277                 .of_match       = of_match_ptr(_match),                         \
 278                 .regulators_node = of_match_ptr("regulators"),                  \
 279                 .type           = REGULATOR_VOLTAGE,                            \
 280                 .id             = _family##_##_id,                              \
 281                 .n_voltages     = (((_max) - (_min)) / (_step) + 1),            \
 282                 .owner          = THIS_MODULE,                                  \
 283                 .min_uV         = (_min) * 1000,                                \
 284                 .uV_step        = (_step) * 1000,                               \
 285                 .vsel_reg       = (_vreg),                                      \
 286                 .vsel_mask      = (_vmask),                                     \
 287                 .enable_reg     = (_ereg),                                      \
 288                 .enable_mask    = (_emask),                                     \
 289                 .enable_val     = (_enable_val),                                \
 290                 .disable_val    = (_disable_val),                               \
 291                 .ops            = &axp20x_ops,                                  \
 292         }
 293
 294 #define AXP_DESC(_family, _id, _match, _supply, _min, _max, _step, _vreg,       \
 295                  _vmask, _ereg, _emask)                                         \
 296         [_family##_##_id] = {                                                   \
 297                 .name           = (_match),                                     \
 298                 .supply_name    = (_supply),                                    \
 299                 .of_match       = of_match_ptr(_match),                         \
 300                 .regulators_node = of_match_ptr("regulators"),                  \
 301                 .type           = REGULATOR_VOLTAGE,                            \
 302                 .id             = _family##_##_id,                              \
 303                 .n_voltages     = (((_max) - (_min)) / (_step) + 1),            \
 304                 .owner          = THIS_MODULE,                                  \
 305                 .min_uV         = (_min) * 1000,                                \
 306                 .uV_step        = (_step) * 1000,                               \
 307                 .vsel_reg       = (_vreg),                                      \
 308                 .vsel_mask      = (_vmask),                                     \
 309                 .enable_reg     = (_ereg),                                      \
 310                 .enable_mask    = (_emask),                                     \
 311                 .ops            = &axp20x_ops,                                  \
 312         }
 313
 314 #define AXP_DESC_SW(_family, _id, _match, _supply, _ereg, _emask)               \
 315         [_family##_##_id] = {                                                   \
 316                 .name           = (_match),                                     \
 317                 .supply_name    = (_supply),                                    \
 318                 .of_match       = of_match_ptr(_match),                         \
 319                 .regulators_node = of_match_ptr("regulators"),                  \
 320                 .type           = REGULATOR_VOLTAGE,                            \
 321                 .id             = _family##_##_id,                              \
 322                 .owner          = THIS_MODULE,                                  \
 323                 .enable_reg     = (_ereg),                                      \
 324                 .enable_mask    = (_emask),                                     \
 325                 .ops            = &axp20x_ops_sw,                               \
 326         }
 327
 328 #define AXP_DESC_FIXED(_family, _id, _match, _supply, _volt)                    \
 329         [_family##_##_id] = {                                                   \
 330                 .name           = (_match),                                     \
 331                 .supply_name    = (_supply),                                    \
 332                 .of_match       = of_match_ptr(_match),                         \
 333                 .regulators_node = of_match_ptr("regulators"),                  \
 334                 .type           = REGULATOR_VOLTAGE,                            \
 335                 .id             = _family##_##_id,                              \
 336                 .n_voltages     = 1,                                            \
 337                 .owner          = THIS_MODULE,                                  \
 338                 .min_uV         = (_volt) * 1000,                               \
 339                 .ops            = &axp20x_ops_fixed                             \
 340         }
 341
 342 #define AXP_DESC_RANGES(_family, _id, _match, _supply, _ranges, _n_voltages,    \
 343                         _vreg, _vmask, _ereg, _emask)                           \
 344         [_family##_##_id] = {                                                   \
 345                 .name           = (_match),                                     \
 346                 .supply_name    = (_supply),                                    \
 347                 .of_match       = of_match_ptr(_match),                         \
 348                 .regulators_node = of_match_ptr("regulators"),                  \
 349                 .type           = REGULATOR_VOLTAGE,                            \
 350                 .id             = _family##_##_id,                              \
 351                 .n_voltages     = (_n_voltages),                                \
 352                 .owner          = THIS_MODULE,                                  \
 353                 .vsel_reg       = (_vreg),                                      \
 354                 .vsel_mask      = (_vmask),                                     \
 355                 .enable_reg     = (_ereg),                                      \
 356                 .enable_mask    = (_emask),                                     \
 357                 .linear_ranges  = (_ranges),                                    \
 358                 .n_linear_ranges = ARRAY_SIZE(_ranges),                         \
 359                 .ops            = &axp20x_ops_range,                            \
 360         }
 361
 362 static const int axp209_dcdc2_ldo3_slew_rates[] = {
 363         1600,
 364          800,
 365 };
 366
 367 static int axp20x_set_ramp_delay(struct regulator_dev *rdev, int ramp)
 368 {
 369         struct axp20x_dev *axp20x = rdev_get_drvdata(rdev);
 370         int id = rdev_get_id(rdev);
 371         u8 reg, mask, enable, cfg = 0xff;
 372         const int *slew_rates;
 373         int rate_count = 0;
 374
 375         switch (axp20x->variant) {
 376         case AXP209_ID:
 377                 if (id == AXP20X_DCDC2) {
 378                         slew_rates = axp209_dcdc2_ldo3_slew_rates;
 379                         rate_count = ARRAY_SIZE(axp209_dcdc2_ldo3_slew_rates);
 380                         reg = AXP20X_DCDC2_LDO3_V_RAMP;
 381                         mask = AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE_MASK |
 382                                AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN_MASK;
 383                         enable = (ramp > 0) ?
 384                                  AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN :
 385                                  !AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN;
 386                         break;
 387                 }
 388
 389                 if (id == AXP20X_LDO3) {
 390                         slew_rates = axp209_dcdc2_ldo3_slew_rates;
 391                         rate_count = ARRAY_SIZE(axp209_dcdc2_ldo3_slew_rates);
 392                         reg = AXP20X_DCDC2_LDO3_V_RAMP;
 393                         mask = AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE_MASK |
 394                                AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN_MASK;
 395                         enable = (ramp > 0) ?
 396                                  AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN :
 397                                  !AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN;
 398                         break;
 399                 }
 400
 401                 if (rate_count > 0)
 402                         break;
 403
 404                 /* fall through */
 405         default:
 406                 /* Not supported for this regulator */
 407                 return -ENOTSUPP;
 408         }
 409
 410         if (ramp == 0) {
 411                 cfg = enable;
 412         } else {
 413                 int i;
 414
 415                 for (i = 0; i < rate_count; i++) {
 416                         if (ramp <= slew_rates[i])
 417                                 cfg = AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE(i);
 418                         else
 419                                 break;
 420                 }
 421
 422                 if (cfg == 0xff) {
 423                         dev_err(axp20x->dev, "unsupported ramp value %d", ramp);
 424                         return -EINVAL;
 425                 }
 426
 427                 cfg |= enable;
 428         }
 429
 430         return regmap_update_bits(axp20x->regmap, reg, mask, cfg);
 431 }
 432
 433 static int axp20x_regulator_enable_regmap(struct regulator_dev *rdev)
 434 {
 435         struct axp20x_dev *axp20x = rdev_get_drvdata(rdev);
 436         int id = rdev_get_id(rdev);
 437
 438         switch (axp20x->variant) {
 439         case AXP209_ID:
 440                 if ((id == AXP20X_LDO3) &&
 441                     rdev->constraints && rdev->constraints->soft_start) {
 442                         int v_out;
 443                         int ret;
 444
 445                         /*
 446                          * On some boards, the LDO3 can be overloaded when
 447                          * turning on, causing the entire PMIC to shutdown
 448                          * without warning. Turning it on at the minimal voltage
 449                          * and then setting the voltage to the requested value
 450                          * works reliably.
 451                          */
 452                         if (regulator_is_enabled_regmap(rdev))
 453                                 break;
 454
 455                         v_out = regulator_get_voltage_sel_regmap(rdev);
 456                         if (v_out < 0)
 457                                 return v_out;
 458
 459                         if (v_out == 0)
 460                                 break;
 461
 462                         ret = regulator_set_voltage_sel_regmap(rdev, 0x00);
 463                         /*
 464                          * A small pause is needed between
 465                          * setting the voltage and enabling the LDO to give the
 466                          * internal state machine time to process the request.
 467                          */
 468                         usleep_range(1000, 5000);
 469                         ret |= regulator_enable_regmap(rdev);
 470                         ret |= regulator_set_voltage_sel_regmap(rdev, v_out);
 471
 472                         return ret;
 473                 }
 474                 break;
 475         default:
 476                 /* No quirks */
 477                 break;
 478         }
 479
 480         return regulator_enable_regmap(rdev);
 481 };
 482
 483 static const struct regulator_ops axp20x_ops_fixed = {
 484         .list_voltage           = regulator_list_voltage_linear,
 485 };
 486
 487 static const struct regulator_ops axp20x_ops_range = {
 488         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 489         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 490         .list_voltage           = regulator_list_voltage_linear_range,
 491         .enable                 = regulator_enable_regmap,
 492         .disable                = regulator_disable_regmap,
 493         .is_enabled             = regulator_is_enabled_regmap,
 494 };
 495
 496 static const struct regulator_ops axp20x_ops = {
 497         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 498         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 499         .list_voltage           = regulator_list_voltage_linear,
 500         .enable                 = axp20x_regulator_enable_regmap,
 501         .disable                = regulator_disable_regmap,
 502         .is_enabled             = regulator_is_enabled_regmap,
 503         .set_ramp_delay         = axp20x_set_ramp_delay,
 504 };
 505
 506 static const struct regulator_ops axp20x_ops_sw = {
 507         .enable                 = regulator_enable_regmap,
 508         .disable                = regulator_disable_regmap,
 509         .is_enabled             = regulator_is_enabled_regmap,
 510 };
 511
 512 static const struct regulator_linear_range axp20x_ldo4_ranges[] = {
 513         REGULATOR_LINEAR_RANGE(1250000,
 514                                AXP20X_LDO4_V_OUT_1250mV_START,
 515                                AXP20X_LDO4_V_OUT_1250mV_END,
 516                                0),
 517         REGULATOR_LINEAR_RANGE(1300000,
 518                                AXP20X_LDO4_V_OUT_1300mV_START,
 519                                AXP20X_LDO4_V_OUT_1300mV_END,
 520                                100000),
 521         REGULATOR_LINEAR_RANGE(2500000,
 522                                AXP20X_LDO4_V_OUT_2500mV_START,
 523                                AXP20X_LDO4_V_OUT_2500mV_END,
 524                                0),
 525         REGULATOR_LINEAR_RANGE(2700000,
 526                                AXP20X_LDO4_V_OUT_2700mV_START,
 527                                AXP20X_LDO4_V_OUT_2700mV_END,
 528                                100000),
 529         REGULATOR_LINEAR_RANGE(3000000,
 530                                AXP20X_LDO4_V_OUT_3000mV_START,
 531                                AXP20X_LDO4_V_OUT_3000mV_END,
 532                                100000),
 533 };
 534
 535 static const struct regulator_desc axp20x_regulators[] = {
 536         AXP_DESC(AXP20X, DCDC2, "dcdc2", "vin2", 700, 2275, 25,
 537                  AXP20X_DCDC2_V_OUT, AXP20X_DCDC2_V_OUT_MASK,
 538                  AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_DCDC2_MASK),
 539         AXP_DESC(AXP20X, DCDC3, "dcdc3", "vin3", 700, 3500, 25,
 540                  AXP20X_DCDC3_V_OUT, AXP20X_DCDC3_V_OUT_MASK,
 541                  AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_DCDC3_MASK),
 542         AXP_DESC_FIXED(AXP20X, LDO1, "ldo1", "acin", 1300),
 543         AXP_DESC(AXP20X, LDO2, "ldo2", "ldo24in", 1800, 3300, 100,
 544                  AXP20X_LDO24_V_OUT, AXP20X_LDO24_V_OUT_MASK,
 545                  AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_LDO2_MASK),
 546         AXP_DESC(AXP20X, LDO3, "ldo3", "ldo3in", 700, 3500, 25,
 547                  AXP20X_LDO3_V_OUT, AXP20X_LDO3_V_OUT_MASK,
 548                  AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_LDO3_MASK),
 549         AXP_DESC_RANGES(AXP20X, LDO4, "ldo4", "ldo24in",
 550                         axp20x_ldo4_ranges, AXP20X_LDO4_V_OUT_NUM_VOLTAGES,
 551                         AXP20X_LDO24_V_OUT, AXP20X_LDO24_V_OUT_MASK,
 552                         AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_LDO4_MASK),
 553         AXP_DESC_IO(AXP20X, LDO5, "ldo5", "ldo5in", 1800, 3300, 100,
 554                     AXP20X_LDO5_V_OUT, AXP20X_LDO5_V_OUT_MASK,
 555                     AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK,
 556                     AXP20X_IO_ENABLED, AXP20X_IO_DISABLED),
 557 };
 558
 559 static const struct regulator_desc axp22x_regulators[] = {
 560         AXP_DESC(AXP22X, DCDC1, "dcdc1", "vin1", 1600, 3400, 100,
 561                  AXP22X_DCDC1_V_OUT, AXP22X_DCDC1_V_OUT_MASK,
 562                  AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC1_MASK),
 563         AXP_DESC(AXP22X, DCDC2, "dcdc2", "vin2", 600, 1540, 20,
 564                  AXP22X_DCDC2_V_OUT, AXP22X_DCDC2_V_OUT_MASK,
 565                  AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC2_MASK),
 566         AXP_DESC(AXP22X, DCDC3, "dcdc3", "vin3", 600, 1860, 20,
 567                  AXP22X_DCDC3_V_OUT, AXP22X_DCDC3_V_OUT_MASK,
 568                  AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC3_MASK),
 569         AXP_DESC(AXP22X, DCDC4, "dcdc4", "vin4", 600, 1540, 20,
 570                  AXP22X_DCDC4_V_OUT, AXP22X_DCDC4_V_OUT_MASK,
 571                  AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC4_MASK),
 572         AXP_DESC(AXP22X, DCDC5, "dcdc5", "vin5", 1000, 2550, 50,
 573                  AXP22X_DCDC5_V_OUT, AXP22X_DCDC5_V_OUT_MASK,
 574                  AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC5_MASK),
 575         /* secondary switchable output of DCDC1 */
 576         AXP_DESC_SW(AXP22X, DC1SW, "dc1sw", NULL,
 577                     AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK),
 578         /* LDO regulator internally chained to DCDC5 */
 579         AXP_DESC(AXP22X, DC5LDO, "dc5ldo", NULL, 700, 1400, 100,
 580                  AXP22X_DC5LDO_V_OUT, AXP22X_DC5LDO_V_OUT_MASK,
 581                  AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DC5LDO_MASK),
 582         AXP_DESC(AXP22X, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
 583                  AXP22X_ALDO1_V_OUT, AXP22X_ALDO1_V_OUT_MASK,
 584                  AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_ALDO1_MASK),
 585         AXP_DESC(AXP22X, ALDO2, "aldo2", "aldoin", 700, 3300, 100,
 586                  AXP22X_ALDO2_V_OUT, AXP22X_ALDO2_V_OUT_MASK,
 587                  AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_ALDO2_MASK),
 588         AXP_DESC(AXP22X, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
 589                  AXP22X_ALDO3_V_OUT, AXP22X_ALDO3_V_OUT_MASK,
 590                  AXP22X_PWR_OUT_CTRL3, AXP22X_PWR_OUT_ALDO3_MASK),
 591         AXP_DESC(AXP22X, DLDO1, "dldo1", "dldoin", 700, 3300, 100,
 592                  AXP22X_DLDO1_V_OUT, AXP22X_DLDO1_V_OUT_MASK,
 593                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO1_MASK),
 594         AXP_DESC(AXP22X, DLDO2, "dldo2", "dldoin", 700, 3300, 100,
 595                  AXP22X_DLDO2_V_OUT, AXP22X_PWR_OUT_DLDO2_MASK,
 596                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO2_MASK),
 597         AXP_DESC(AXP22X, DLDO3, "dldo3", "dldoin", 700, 3300, 100,
 598                  AXP22X_DLDO3_V_OUT, AXP22X_DLDO3_V_OUT_MASK,
 599                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO3_MASK),
 600         AXP_DESC(AXP22X, DLDO4, "dldo4", "dldoin", 700, 3300, 100,
 601                  AXP22X_DLDO4_V_OUT, AXP22X_DLDO4_V_OUT_MASK,
 602                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO4_MASK),
 603         AXP_DESC(AXP22X, ELDO1, "eldo1", "eldoin", 700, 3300, 100,
 604                  AXP22X_ELDO1_V_OUT, AXP22X_ELDO1_V_OUT_MASK,
 605                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO1_MASK),
 606         AXP_DESC(AXP22X, ELDO2, "eldo2", "eldoin", 700, 3300, 100,
 607                  AXP22X_ELDO2_V_OUT, AXP22X_ELDO2_V_OUT_MASK,
 608                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO1_MASK),
 609         AXP_DESC(AXP22X, ELDO3, "eldo3", "eldoin", 700, 3300, 100,
 610                  AXP22X_ELDO3_V_OUT, AXP22X_ELDO3_V_OUT_MASK,
 611                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO3_MASK),
 612         /* Note the datasheet only guarantees reliable operation up to
 613          * 3.3V, this needs to be enforced via dts provided constraints */
 614         AXP_DESC_IO(AXP22X, LDO_IO0, "ldo_io0", "ips", 700, 3800, 100,
 615                     AXP22X_LDO_IO0_V_OUT, AXP22X_LDO_IO0_V_OUT_MASK,
 616                     AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK,
 617                     AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
 618         /* Note the datasheet only guarantees reliable operation up to
 619          * 3.3V, this needs to be enforced via dts provided constraints */
 620         AXP_DESC_IO(AXP22X, LDO_IO1, "ldo_io1", "ips", 700, 3800, 100,
 621                     AXP22X_LDO_IO1_V_OUT, AXP22X_LDO_IO1_V_OUT_MASK,
 622                     AXP20X_GPIO1_CTRL, AXP20X_GPIO1_FUNC_MASK,
 623                     AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
 624         AXP_DESC_FIXED(AXP22X, RTC_LDO, "rtc_ldo", "ips", 3000),
 625 };
 626
 627 static const struct regulator_desc axp22x_drivevbus_regulator = {
 628         .name           = "drivevbus",
 629         .supply_name    = "drivevbus",
 630         .of_match       = of_match_ptr("drivevbus"),
 631         .regulators_node = of_match_ptr("regulators"),
 632         .type           = REGULATOR_VOLTAGE,
 633         .owner          = THIS_MODULE,
 634         .enable_reg     = AXP20X_VBUS_IPSOUT_MGMT,
 635         .enable_mask    = AXP20X_VBUS_IPSOUT_MGMT_MASK,
 636         .ops            = &axp20x_ops_sw,
 637 };
 638
 639 /* DCDC ranges shared with AXP813 */
 640 static const struct regulator_linear_range axp803_dcdc234_ranges[] = {
 641         REGULATOR_LINEAR_RANGE(500000,
 642                                AXP803_DCDC234_500mV_START,
 643                                AXP803_DCDC234_500mV_END,
 644                                10000),
 645         REGULATOR_LINEAR_RANGE(1220000,
 646                                AXP803_DCDC234_1220mV_START,
 647                                AXP803_DCDC234_1220mV_END,
 648                                20000),
 649 };
 650
 651 static const struct regulator_linear_range axp803_dcdc5_ranges[] = {
 652         REGULATOR_LINEAR_RANGE(800000,
 653                                AXP803_DCDC5_800mV_START,
 654                                AXP803_DCDC5_800mV_END,
 655                                10000),
 656         REGULATOR_LINEAR_RANGE(1140000,
 657                                AXP803_DCDC5_1140mV_START,
 658                                AXP803_DCDC5_1140mV_END,
 659                                20000),
 660 };
 661
 662 static const struct regulator_linear_range axp803_dcdc6_ranges[] = {
 663         REGULATOR_LINEAR_RANGE(600000,
 664                                AXP803_DCDC6_600mV_START,
 665                                AXP803_DCDC6_600mV_END,
 666                                10000),
 667         REGULATOR_LINEAR_RANGE(1120000,
 668                                AXP803_DCDC6_1120mV_START,
 669                                AXP803_DCDC6_1120mV_END,
 670                                20000),
 671 };
 672
 673 /* AXP806's CLDO2 and AXP809's DLDO1 share the same range */
 674 static const struct regulator_linear_range axp803_dldo2_ranges[] = {
 675         REGULATOR_LINEAR_RANGE(700000,
 676                                AXP803_DLDO2_700mV_START,
 677                                AXP803_DLDO2_700mV_END,
 678                                100000),
 679         REGULATOR_LINEAR_RANGE(3400000,
 680                                AXP803_DLDO2_3400mV_START,
 681                                AXP803_DLDO2_3400mV_END,
 682                                200000),
 683 };
 684
 685 static const struct regulator_desc axp803_regulators[] = {
 686         AXP_DESC(AXP803, DCDC1, "dcdc1", "vin1", 1600, 3400, 100,
 687                  AXP803_DCDC1_V_OUT, AXP803_DCDC1_V_OUT_MASK,
 688                  AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC1_MASK),
 689         AXP_DESC_RANGES(AXP803, DCDC2, "dcdc2", "vin2",
 690                         axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES,
 691                         AXP803_DCDC2_V_OUT, AXP803_DCDC2_V_OUT_MASK,
 692                         AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC2_MASK),
 693         AXP_DESC_RANGES(AXP803, DCDC3, "dcdc3", "vin3",
 694                         axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES,
 695                         AXP803_DCDC3_V_OUT, AXP803_DCDC3_V_OUT_MASK,
 696                         AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC3_MASK),
 697         AXP_DESC_RANGES(AXP803, DCDC4, "dcdc4", "vin4",
 698                         axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES,
 699                         AXP803_DCDC4_V_OUT, AXP803_DCDC4_V_OUT_MASK,
 700                         AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC4_MASK),
 701         AXP_DESC_RANGES(AXP803, DCDC5, "dcdc5", "vin5",
 702                         axp803_dcdc5_ranges, AXP803_DCDC5_NUM_VOLTAGES,
 703                         AXP803_DCDC5_V_OUT, AXP803_DCDC5_V_OUT_MASK,
 704                         AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC5_MASK),
 705         AXP_DESC_RANGES(AXP803, DCDC6, "dcdc6", "vin6",
 706                         axp803_dcdc6_ranges, AXP803_DCDC6_NUM_VOLTAGES,
 707                         AXP803_DCDC6_V_OUT, AXP803_DCDC6_V_OUT_MASK,
 708                         AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC6_MASK),
 709         /* secondary switchable output of DCDC1 */
 710         AXP_DESC_SW(AXP803, DC1SW, "dc1sw", NULL,
 711                     AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK),
 712         AXP_DESC(AXP803, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
 713                  AXP22X_ALDO1_V_OUT, AXP22X_ALDO1_V_OUT_MASK,
 714                  AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO1_MASK),
 715         AXP_DESC(AXP803, ALDO2, "aldo2", "aldoin", 700, 3300, 100,
 716                  AXP22X_ALDO2_V_OUT, AXP22X_ALDO2_V_OUT_MASK,
 717                  AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO2_MASK),
 718         AXP_DESC(AXP803, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
 719                  AXP22X_ALDO3_V_OUT, AXP22X_ALDO3_V_OUT_MASK,
 720                  AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO3_MASK),
 721         AXP_DESC(AXP803, DLDO1, "dldo1", "dldoin", 700, 3300, 100,
 722                  AXP22X_DLDO1_V_OUT, AXP22X_DLDO1_V_OUT_MASK,
 723                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO1_MASK),
 724         AXP_DESC_RANGES(AXP803, DLDO2, "dldo2", "dldoin",
 725                         axp803_dldo2_ranges, AXP803_DLDO2_NUM_VOLTAGES,
 726                         AXP22X_DLDO2_V_OUT, AXP22X_DLDO2_V_OUT_MASK,
 727                         AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO2_MASK),
 728         AXP_DESC(AXP803, DLDO3, "dldo3", "dldoin", 700, 3300, 100,
 729                  AXP22X_DLDO3_V_OUT, AXP22X_DLDO3_V_OUT_MASK,
 730                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO3_MASK),
 731         AXP_DESC(AXP803, DLDO4, "dldo4", "dldoin", 700, 3300, 100,
 732                  AXP22X_DLDO4_V_OUT, AXP22X_DLDO4_V_OUT_MASK,
 733                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO4_MASK),
 734         AXP_DESC(AXP803, ELDO1, "eldo1", "eldoin", 700, 1900, 50,
 735                  AXP22X_ELDO1_V_OUT, AXP22X_ELDO1_V_OUT_MASK,
 736                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO1_MASK),
 737         AXP_DESC(AXP803, ELDO2, "eldo2", "eldoin", 700, 1900, 50,
 738                  AXP22X_ELDO2_V_OUT, AXP22X_ELDO2_V_OUT_MASK,
 739                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO2_MASK),
 740         AXP_DESC(AXP803, ELDO3, "eldo3", "eldoin", 700, 1900, 50,
 741                  AXP22X_ELDO3_V_OUT, AXP22X_ELDO3_V_OUT_MASK,
 742                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO3_MASK),
 743         AXP_DESC(AXP803, FLDO1, "fldo1", "fldoin", 700, 1450, 50,
 744                  AXP803_FLDO1_V_OUT, AXP803_FLDO1_V_OUT_MASK,
 745                  AXP22X_PWR_OUT_CTRL3, AXP803_PWR_OUT_FLDO1_MASK),
 746         AXP_DESC(AXP803, FLDO2, "fldo2", "fldoin", 700, 1450, 50,
 747                  AXP803_FLDO2_V_OUT, AXP803_FLDO2_V_OUT_MASK,
 748                  AXP22X_PWR_OUT_CTRL3, AXP803_PWR_OUT_FLDO2_MASK),
 749         AXP_DESC_IO(AXP803, LDO_IO0, "ldo-io0", "ips", 700, 3300, 100,
 750                     AXP22X_LDO_IO0_V_OUT, AXP22X_LDO_IO0_V_OUT_MASK,
 751                     AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK,
 752                     AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
 753         AXP_DESC_IO(AXP803, LDO_IO1, "ldo-io1", "ips", 700, 3300, 100,
 754                     AXP22X_LDO_IO1_V_OUT, AXP22X_LDO_IO1_V_OUT_MASK,
 755                     AXP20X_GPIO1_CTRL, AXP20X_GPIO1_FUNC_MASK,
 756                     AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
 757         AXP_DESC_FIXED(AXP803, RTC_LDO, "rtc-ldo", "ips", 3000),
 758 };
 759
 760 static const struct regulator_linear_range axp806_dcdca_ranges[] = {
 761         REGULATOR_LINEAR_RANGE(600000,
 762                                AXP806_DCDCA_600mV_START,
 763                                AXP806_DCDCA_600mV_END,
 764                                10000),
 765         REGULATOR_LINEAR_RANGE(1120000,
 766                                AXP806_DCDCA_1120mV_START,
 767                                AXP806_DCDCA_1120mV_END,
 768                                20000),
 769 };
 770
 771 static const struct regulator_linear_range axp806_dcdcd_ranges[] = {
 772         REGULATOR_LINEAR_RANGE(600000,
 773                                AXP806_DCDCD_600mV_START,
 774                                AXP806_DCDCD_600mV_END,
 775                                20000),
 776         REGULATOR_LINEAR_RANGE(1600000,
 777                                AXP806_DCDCD_1600mV_START,
 778                                AXP806_DCDCD_1600mV_END,
 779                                100000),
 780 };
 781
 782 static const struct regulator_desc axp806_regulators[] = {
 783         AXP_DESC_RANGES(AXP806, DCDCA, "dcdca", "vina",
 784                         axp806_dcdca_ranges, AXP806_DCDCA_NUM_VOLTAGES,
 785                         AXP806_DCDCA_V_CTRL, AXP806_DCDCA_V_CTRL_MASK,
 786                         AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCA_MASK),
 787         AXP_DESC(AXP806, DCDCB, "dcdcb", "vinb", 1000, 2550, 50,
 788                  AXP806_DCDCB_V_CTRL, AXP806_DCDCB_V_CTRL_MASK,
 789                  AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCB_MASK),
 790         AXP_DESC_RANGES(AXP806, DCDCC, "dcdcc", "vinc",
 791                         axp806_dcdca_ranges, AXP806_DCDCA_NUM_VOLTAGES,
 792                         AXP806_DCDCC_V_CTRL, AXP806_DCDCC_V_CTRL_MASK,
 793                         AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCC_MASK),
 794         AXP_DESC_RANGES(AXP806, DCDCD, "dcdcd", "vind",
 795                         axp806_dcdcd_ranges, AXP806_DCDCD_NUM_VOLTAGES,
 796                         AXP806_DCDCD_V_CTRL, AXP806_DCDCD_V_CTRL_MASK,
 797                         AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCD_MASK),
 798         AXP_DESC(AXP806, DCDCE, "dcdce", "vine", 1100, 3400, 100,
 799                  AXP806_DCDCE_V_CTRL, AXP806_DCDCE_V_CTRL_MASK,
 800                  AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCE_MASK),
 801         AXP_DESC(AXP806, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
 802                  AXP806_ALDO1_V_CTRL, AXP806_ALDO1_V_CTRL_MASK,
 803                  AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_ALDO1_MASK),
 804         AXP_DESC(AXP806, ALDO2, "aldo2", "aldoin", 700, 3400, 100,
 805                  AXP806_ALDO2_V_CTRL, AXP806_ALDO2_V_CTRL_MASK,
 806                  AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_ALDO2_MASK),
 807         AXP_DESC(AXP806, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
 808                  AXP806_ALDO3_V_CTRL, AXP806_ALDO3_V_CTRL_MASK,
 809                  AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_ALDO3_MASK),
 810         AXP_DESC(AXP806, BLDO1, "bldo1", "bldoin", 700, 1900, 100,
 811                  AXP806_BLDO1_V_CTRL, AXP806_BLDO1_V_CTRL_MASK,
 812                  AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_BLDO1_MASK),
 813         AXP_DESC(AXP806, BLDO2, "bldo2", "bldoin", 700, 1900, 100,
 814                  AXP806_BLDO2_V_CTRL, AXP806_BLDO2_V_CTRL_MASK,
 815                  AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_BLDO2_MASK),
 816         AXP_DESC(AXP806, BLDO3, "bldo3", "bldoin", 700, 1900, 100,
 817                  AXP806_BLDO3_V_CTRL, AXP806_BLDO3_V_CTRL_MASK,
 818                  AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_BLDO3_MASK),
 819         AXP_DESC(AXP806, BLDO4, "bldo4", "bldoin", 700, 1900, 100,
 820                  AXP806_BLDO4_V_CTRL, AXP806_BLDO4_V_CTRL_MASK,
 821                  AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_BLDO4_MASK),
 822         AXP_DESC(AXP806, CLDO1, "cldo1", "cldoin", 700, 3300, 100,
 823                  AXP806_CLDO1_V_CTRL, AXP806_CLDO1_V_CTRL_MASK,
 824                  AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_CLDO1_MASK),
 825         AXP_DESC_RANGES(AXP806, CLDO2, "cldo2", "cldoin",
 826                         axp803_dldo2_ranges, AXP803_DLDO2_NUM_VOLTAGES,
 827                         AXP806_CLDO2_V_CTRL, AXP806_CLDO2_V_CTRL_MASK,
 828                         AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_CLDO2_MASK),
 829         AXP_DESC(AXP806, CLDO3, "cldo3", "cldoin", 700, 3300, 100,
 830                  AXP806_CLDO3_V_CTRL, AXP806_CLDO3_V_CTRL_MASK,
 831                  AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_CLDO3_MASK),
 832         AXP_DESC_SW(AXP806, SW, "sw", "swin",
 833                     AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_SW_MASK),
 834 };
 835
 836 static const struct regulator_linear_range axp809_dcdc4_ranges[] = {
 837         REGULATOR_LINEAR_RANGE(600000,
 838                                AXP809_DCDC4_600mV_START,
 839                                AXP809_DCDC4_600mV_END,
 840                                20000),
 841         REGULATOR_LINEAR_RANGE(1800000,
 842                                AXP809_DCDC4_1800mV_START,
 843                                AXP809_DCDC4_1800mV_END,
 844                                100000),
 845 };
 846
 847 static const struct regulator_desc axp809_regulators[] = {
 848         AXP_DESC(AXP809, DCDC1, "dcdc1", "vin1", 1600, 3400, 100,
 849                  AXP22X_DCDC1_V_OUT, AXP22X_DCDC1_V_OUT_MASK,
 850                  AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC1_MASK),
 851         AXP_DESC(AXP809, DCDC2, "dcdc2", "vin2", 600, 1540, 20,
 852                  AXP22X_DCDC2_V_OUT, AXP22X_DCDC2_V_OUT_MASK,
 853                  AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC2_MASK),
 854         AXP_DESC(AXP809, DCDC3, "dcdc3", "vin3", 600, 1860, 20,
 855                  AXP22X_DCDC3_V_OUT, AXP22X_DCDC3_V_OUT_MASK,
 856                  AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC3_MASK),
 857         AXP_DESC_RANGES(AXP809, DCDC4, "dcdc4", "vin4",
 858                         axp809_dcdc4_ranges, AXP809_DCDC4_NUM_VOLTAGES,
 859                         AXP22X_DCDC4_V_OUT, AXP22X_DCDC4_V_OUT_MASK,
 860                         AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC4_MASK),
 861         AXP_DESC(AXP809, DCDC5, "dcdc5", "vin5", 1000, 2550, 50,
 862                  AXP22X_DCDC5_V_OUT, AXP22X_DCDC5_V_OUT_MASK,
 863                  AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC5_MASK),
 864         /* secondary switchable output of DCDC1 */
 865         AXP_DESC_SW(AXP809, DC1SW, "dc1sw", NULL,
 866                     AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK),
 867         /* LDO regulator internally chained to DCDC5 */
 868         AXP_DESC(AXP809, DC5LDO, "dc5ldo", NULL, 700, 1400, 100,
 869                  AXP22X_DC5LDO_V_OUT, AXP22X_DC5LDO_V_OUT_MASK,
 870                  AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DC5LDO_MASK),
 871         AXP_DESC(AXP809, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
 872                  AXP22X_ALDO1_V_OUT, AXP22X_ALDO1_V_OUT_MASK,
 873                  AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_ALDO1_MASK),
 874         AXP_DESC(AXP809, ALDO2, "aldo2", "aldoin", 700, 3300, 100,
 875                  AXP22X_ALDO2_V_OUT, AXP22X_ALDO2_V_OUT_MASK,
 876                  AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_ALDO2_MASK),
 877         AXP_DESC(AXP809, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
 878                  AXP22X_ALDO3_V_OUT, AXP22X_ALDO3_V_OUT_MASK,
 879                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ALDO3_MASK),
 880         AXP_DESC_RANGES(AXP809, DLDO1, "dldo1", "dldoin",
 881                         axp803_dldo2_ranges, AXP803_DLDO2_NUM_VOLTAGES,
 882                         AXP22X_DLDO1_V_OUT, AXP22X_DLDO1_V_OUT_MASK,
 883                         AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO1_MASK),
 884         AXP_DESC(AXP809, DLDO2, "dldo2", "dldoin", 700, 3300, 100,
 885                  AXP22X_DLDO2_V_OUT, AXP22X_DLDO2_V_OUT_MASK,
 886                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO2_MASK),
 887         AXP_DESC(AXP809, ELDO1, "eldo1", "eldoin", 700, 3300, 100,
 888                  AXP22X_ELDO1_V_OUT, AXP22X_ELDO1_V_OUT_MASK,
 889                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO1_MASK),
 890         AXP_DESC(AXP809, ELDO2, "eldo2", "eldoin", 700, 3300, 100,
 891                  AXP22X_ELDO2_V_OUT, AXP22X_ELDO2_V_OUT_MASK,
 892                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO2_MASK),
 893         AXP_DESC(AXP809, ELDO3, "eldo3", "eldoin", 700, 3300, 100,
 894                  AXP22X_ELDO3_V_OUT, AXP22X_ELDO3_V_OUT_MASK,
 895                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO3_MASK),
 896         /*
 897          * Note the datasheet only guarantees reliable operation up to
 898          * 3.3V, this needs to be enforced via dts provided constraints
 899          */
 900         AXP_DESC_IO(AXP809, LDO_IO0, "ldo_io0", "ips", 700, 3800, 100,
 901                     AXP22X_LDO_IO0_V_OUT, AXP22X_LDO_IO0_V_OUT_MASK,
 902                     AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK,
 903                     AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
 904         /*
 905          * Note the datasheet only guarantees reliable operation up to
 906          * 3.3V, this needs to be enforced via dts provided constraints
 907          */
 908         AXP_DESC_IO(AXP809, LDO_IO1, "ldo_io1", "ips", 700, 3800, 100,
 909                     AXP22X_LDO_IO1_V_OUT, AXP22X_LDO_IO1_V_OUT_MASK,
 910                     AXP20X_GPIO1_CTRL, AXP20X_GPIO1_FUNC_MASK,
 911                     AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
 912         AXP_DESC_FIXED(AXP809, RTC_LDO, "rtc_ldo", "ips", 1800),
 913         AXP_DESC_SW(AXP809, SW, "sw", "swin",
 914                     AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_SW_MASK),
 915 };
 916
 917 static const struct regulator_desc axp813_regulators[] = {
 918         AXP_DESC(AXP813, DCDC1, "dcdc1", "vin1", 1600, 3400, 100,
 919                  AXP803_DCDC1_V_OUT, AXP803_DCDC1_V_OUT_MASK,
 920                  AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC1_MASK),
 921         AXP_DESC_RANGES(AXP813, DCDC2, "dcdc2", "vin2",
 922                         axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES,
 923                         AXP803_DCDC2_V_OUT, AXP803_DCDC2_V_OUT_MASK,
 924                         AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC2_MASK),
 925         AXP_DESC_RANGES(AXP813, DCDC3, "dcdc3", "vin3",
 926                         axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES,
 927                         AXP803_DCDC3_V_OUT, AXP803_DCDC3_V_OUT_MASK,
 928                         AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC3_MASK),
 929         AXP_DESC_RANGES(AXP813, DCDC4, "dcdc4", "vin4",
 930                         axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES,
 931                         AXP803_DCDC4_V_OUT, AXP803_DCDC4_V_OUT_MASK,
 932                         AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC4_MASK),
 933         AXP_DESC_RANGES(AXP813, DCDC5, "dcdc5", "vin5",
 934                         axp803_dcdc5_ranges, AXP803_DCDC5_NUM_VOLTAGES,
 935                         AXP803_DCDC5_V_OUT, AXP803_DCDC5_V_OUT_MASK,
 936                         AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC5_MASK),
 937         AXP_DESC_RANGES(AXP813, DCDC6, "dcdc6", "vin6",
 938                         axp803_dcdc6_ranges, AXP803_DCDC6_NUM_VOLTAGES,
 939                         AXP803_DCDC6_V_OUT, AXP803_DCDC6_V_OUT_MASK,
 940                         AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC6_MASK),
 941         AXP_DESC_RANGES(AXP813, DCDC7, "dcdc7", "vin7",
 942                         axp803_dcdc6_ranges, AXP803_DCDC6_NUM_VOLTAGES,
 943                         AXP813_DCDC7_V_OUT, AXP813_DCDC7_V_OUT_MASK,
 944                         AXP22X_PWR_OUT_CTRL1, AXP813_PWR_OUT_DCDC7_MASK),
 945         AXP_DESC(AXP813, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
 946                  AXP22X_ALDO1_V_OUT, AXP22X_ALDO1_V_OUT_MASK,
 947                  AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO1_MASK),
 948         AXP_DESC(AXP813, ALDO2, "aldo2", "aldoin", 700, 3300, 100,
 949                  AXP22X_ALDO2_V_OUT, AXP22X_ALDO2_V_OUT_MASK,
 950                  AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO2_MASK),
 951         AXP_DESC(AXP813, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
 952                  AXP22X_ALDO3_V_OUT, AXP22X_ALDO3_V_OUT_MASK,
 953                  AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO3_MASK),
 954         AXP_DESC(AXP813, DLDO1, "dldo1", "dldoin", 700, 3300, 100,
 955                  AXP22X_DLDO1_V_OUT, AXP22X_DLDO1_V_OUT_MASK,
 956                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO1_MASK),
 957         AXP_DESC_RANGES(AXP813, DLDO2, "dldo2", "dldoin",
 958                         axp803_dldo2_ranges, AXP803_DLDO2_NUM_VOLTAGES,
 959                         AXP22X_DLDO2_V_OUT, AXP22X_DLDO2_V_OUT_MASK,
 960                         AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO2_MASK),
 961         AXP_DESC(AXP813, DLDO3, "dldo3", "dldoin", 700, 3300, 100,
 962                  AXP22X_DLDO3_V_OUT, AXP22X_DLDO3_V_OUT_MASK,
 963                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO3_MASK),
 964         AXP_DESC(AXP813, DLDO4, "dldo4", "dldoin", 700, 3300, 100,
 965                  AXP22X_DLDO4_V_OUT, AXP22X_DLDO4_V_OUT_MASK,
 966                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO4_MASK),
 967         AXP_DESC(AXP813, ELDO1, "eldo1", "eldoin", 700, 1900, 50,
 968                  AXP22X_ELDO1_V_OUT, AXP22X_ELDO1_V_OUT_MASK,
 969                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO1_MASK),
 970         AXP_DESC(AXP813, ELDO2, "eldo2", "eldoin", 700, 1900, 50,
 971                  AXP22X_ELDO2_V_OUT, AXP22X_ELDO2_V_OUT_MASK,
 972                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO2_MASK),
 973         AXP_DESC(AXP813, ELDO3, "eldo3", "eldoin", 700, 1900, 50,
 974                  AXP22X_ELDO3_V_OUT, AXP22X_ELDO3_V_OUT_MASK,
 975                  AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO3_MASK),
 976         /* to do / check ... */
 977         AXP_DESC(AXP813, FLDO1, "fldo1", "fldoin", 700, 1450, 50,
 978                  AXP803_FLDO1_V_OUT, AXP803_FLDO1_V_OUT_MASK,
 979                  AXP22X_PWR_OUT_CTRL3, AXP803_PWR_OUT_FLDO1_MASK),
 980         AXP_DESC(AXP813, FLDO2, "fldo2", "fldoin", 700, 1450, 50,
 981                  AXP803_FLDO2_V_OUT, AXP803_FLDO2_V_OUT_MASK,
 982                  AXP22X_PWR_OUT_CTRL3, AXP803_PWR_OUT_FLDO2_MASK),
 983         /*
 984          * TODO: FLDO3 = {DCDC5, FLDOIN} / 2
 985          *
 986          * This means FLDO3 effectively switches supplies at runtime,
 987          * something the regulator subsystem does not support.
 988          */
 989         AXP_DESC_FIXED(AXP813, RTC_LDO, "rtc-ldo", "ips", 1800),
 990         AXP_DESC_IO(AXP813, LDO_IO0, "ldo-io0", "ips", 700, 3300, 100,
 991                     AXP22X_LDO_IO0_V_OUT, AXP22X_LDO_IO0_V_OUT_MASK,
 992                     AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK,
 993                     AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
 994         AXP_DESC_IO(AXP813, LDO_IO1, "ldo-io1", "ips", 700, 3300, 100,
 995                     AXP22X_LDO_IO1_V_OUT, AXP22X_LDO_IO1_V_OUT_MASK,
 996                     AXP20X_GPIO1_CTRL, AXP20X_GPIO1_FUNC_MASK,
 997                     AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
 998         AXP_DESC_SW(AXP813, SW, "sw", "swin",
 999                     AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK),
1000 };
1001
1002 static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq)
1003 {
1004         struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
1005         unsigned int reg = AXP20X_DCDC_FREQ;
1006         u32 min, max, def, step;
1007
1008         switch (axp20x->variant) {
1009         case AXP202_ID:
1010         case AXP209_ID:
1011                 min = 750;
1012                 max = 1875;
1013                 def = 1500;
1014                 step = 75;
1015                 break;
1016         case AXP803_ID:
1017         case AXP813_ID:
1018                 /*
1019                  * AXP803/AXP813 DCDC work frequency setting has the same
1020                  * range and step as AXP22X, but at a different register.
1021                  * (See include/linux/mfd/axp20x.h)
1022                  */
1023                 reg = AXP803_DCDC_FREQ_CTRL;
1024                 /* Fall through - to the check below.*/
1025         case AXP806_ID:
1026                 /*
1027                  * AXP806 also have DCDC work frequency setting register at a
1028                  * different position.
1029                  */
1030                 if (axp20x->variant == AXP806_ID)
1031                         reg = AXP806_DCDC_FREQ_CTRL;
1032                 /* Fall through */
1033         case AXP221_ID:
1034         case AXP223_ID:
1035         case AXP809_ID:
1036                 min = 1800;
1037                 max = 4050;
1038                 def = 3000;
1039                 step = 150;
1040                 break;
1041         default:
1042                 dev_err(&pdev->dev,
1043                         "Setting DCDC frequency for unsupported AXP variant\n");
1044                 return -EINVAL;
1045         }
1046
1047         if (dcdcfreq == 0)
1048                 dcdcfreq = def;
1049
1050         if (dcdcfreq < min) {
1051                 dcdcfreq = min;
1052                 dev_warn(&pdev->dev, "DCDC frequency too low. Set to %ukHz\n",
1053                          min);
1054         }
1055
1056         if (dcdcfreq > max) {
1057                 dcdcfreq = max;
1058                 dev_warn(&pdev->dev, "DCDC frequency too high. Set to %ukHz\n",
1059                          max);
1060         }
1061
1062         dcdcfreq = (dcdcfreq - min) / step;
1063
1064         return regmap_update_bits(axp20x->regmap, reg,
1065                                   AXP20X_FREQ_DCDC_MASK, dcdcfreq);
1066 }
1067
1068 static int axp20x_regulator_parse_dt(struct platform_device *pdev)
1069 {
1070         struct device_node *np, *regulators;
1071         int ret;
1072         u32 dcdcfreq = 0;
1073
1074         np = of_node_get(pdev->dev.parent->of_node);
1075         if (!np)
1076                 return 0;
1077
1078         regulators = of_get_child_by_name(np, "regulators");
1079         if (!regulators) {
1080                 dev_warn(&pdev->dev, "regulators node not found\n");
1081         } else {
1082                 of_property_read_u32(regulators, "x-powers,dcdc-freq", &dcdcfreq);
1083                 ret = axp20x_set_dcdc_freq(pdev, dcdcfreq);
1084                 if (ret < 0) {
1085                         dev_err(&pdev->dev, "Error setting dcdc frequency: %d\n", ret);
1086                         return ret;
1087                 }
1088
1089                 of_node_put(regulators);
1090         }
1091
1092         return 0;
1093 }
1094
1095 static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 workmode)
1096 {
1097         struct axp20x_dev *axp20x = rdev_get_drvdata(rdev);
1098         unsigned int reg = AXP20X_DCDC_MODE;
1099         unsigned int mask;
1100
1101         switch (axp20x->variant) {
1102         case AXP202_ID:
1103         case AXP209_ID:
1104                 if ((id != AXP20X_DCDC2) && (id != AXP20X_DCDC3))
1105                         return -EINVAL;
1106
1107                 mask = AXP20X_WORKMODE_DCDC2_MASK;
1108                 if (id == AXP20X_DCDC3)
1109                         mask = AXP20X_WORKMODE_DCDC3_MASK;
1110
1111                 workmode <<= ffs(mask) - 1;
1112                 break;
1113
1114         case AXP806_ID:
1115                 /*
1116                  * AXP806 DCDC regulator IDs have the same range as AXP22X.
1117                  * (See include/linux/mfd/axp20x.h)
1118                  */
1119                 reg = AXP806_DCDC_MODE_CTRL2;
1120                  /* Fall through - to the check below. */
1121         case AXP221_ID:
1122         case AXP223_ID:
1123         case AXP809_ID:
1124                 if (id < AXP22X_DCDC1 || id > AXP22X_DCDC5)
1125                         return -EINVAL;
1126
1127                 mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP22X_DCDC1);
1128                 workmode <<= id - AXP22X_DCDC1;
1129                 break;
1130
1131         case AXP803_ID:
1132                 if (id < AXP803_DCDC1 || id > AXP803_DCDC6)
1133                         return -EINVAL;
1134
1135                 mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP803_DCDC1);
1136                 workmode <<= id - AXP803_DCDC1;
1137                 break;
1138
1139         case AXP813_ID:
1140                 if (id < AXP813_DCDC1 || id > AXP813_DCDC7)
1141                         return -EINVAL;
1142
1143                 mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP813_DCDC1);
1144                 workmode <<= id - AXP813_DCDC1;
1145                 break;
1146
1147         default:
1148                 /* should not happen */
1149                 WARN_ON(1);
1150                 return -EINVAL;
1151         }
1152
1153         return regmap_update_bits(rdev->regmap, reg, mask, workmode);
1154 }
1155
1156 /*
1157  * This function checks whether a regulator is part of a poly-phase
1158  * output setup based on the registers settings. Returns true if it is.
1159  */
1160 static bool axp20x_is_polyphase_slave(struct axp20x_dev *axp20x, int id)
1161 {
1162         u32 reg = 0;
1163
1164         /*
1165          * Currently in our supported AXP variants, only AXP803, AXP806,
1166          * and AXP813 have polyphase regulators.
1167          */
1168         switch (axp20x->variant) {
1169         case AXP803_ID:
1170         case AXP813_ID:
1171                 regmap_read(axp20x->regmap, AXP803_POLYPHASE_CTRL, &reg);
1172
1173                 switch (id) {
1174                 case AXP803_DCDC3:
1175                         return !!(reg & AXP803_DCDC23_POLYPHASE_DUAL);
1176                 case AXP803_DCDC6:
1177                         return !!(reg & AXP803_DCDC56_POLYPHASE_DUAL);
1178                 }
1179                 break;
1180
1181         case AXP806_ID:
1182                 regmap_read(axp20x->regmap, AXP806_DCDC_MODE_CTRL2, &reg);
1183
1184                 switch (id) {
1185                 case AXP806_DCDCB:
1186                         return (((reg & AXP806_DCDCABC_POLYPHASE_MASK) ==
1187                                 AXP806_DCDCAB_POLYPHASE_DUAL) ||
1188                                 ((reg & AXP806_DCDCABC_POLYPHASE_MASK) ==
1189                                 AXP806_DCDCABC_POLYPHASE_TRI));
1190                 case AXP806_DCDCC:
1191                         return ((reg & AXP806_DCDCABC_POLYPHASE_MASK) ==
1192                                 AXP806_DCDCABC_POLYPHASE_TRI);
1193                 case AXP806_DCDCE:
1194                         return !!(reg & AXP806_DCDCDE_POLYPHASE_DUAL);
1195                 }
1196                 break;
1197
1198         default:
1199                 return false;
1200         }
1201
1202         return false;
1203 }
1204
1205 static int axp20x_regulator_probe(struct platform_device *pdev)
1206 {
1207         struct regulator_dev *rdev;
1208         struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
1209         const struct regulator_desc *regulators;
1210         struct regulator_config config = {
1211                 .dev = pdev->dev.parent,
1212                 .regmap = axp20x->regmap,
1213                 .driver_data = axp20x,
1214         };
1215         int ret, i, nregulators;
1216         u32 workmode;
1217         const char *dcdc1_name = axp22x_regulators[AXP22X_DCDC1].name;
1218         const char *dcdc5_name = axp22x_regulators[AXP22X_DCDC5].name;
1219         bool drivevbus = false;
1220
1221         switch (axp20x->variant) {
1222         case AXP202_ID:
1223         case AXP209_ID:
1224                 regulators = axp20x_regulators;
1225                 nregulators = AXP20X_REG_ID_MAX;
1226                 break;
1227         case AXP221_ID:
1228         case AXP223_ID:
1229                 regulators = axp22x_regulators;
1230                 nregulators = AXP22X_REG_ID_MAX;
1231                 drivevbus = of_property_read_bool(pdev->dev.parent->of_node,
1232                                                   "x-powers,drive-vbus-en");
1233                 break;
1234         case AXP803_ID:
1235                 regulators = axp803_regulators;
1236                 nregulators = AXP803_REG_ID_MAX;
1237                 drivevbus = of_property_read_bool(pdev->dev.parent->of_node,
1238                                                   "x-powers,drive-vbus-en");
1239                 break;
1240         case AXP806_ID:
1241                 regulators = axp806_regulators;
1242                 nregulators = AXP806_REG_ID_MAX;
1243                 break;
1244         case AXP809_ID:
1245                 regulators = axp809_regulators;
1246                 nregulators = AXP809_REG_ID_MAX;
1247                 break;
1248         case AXP813_ID:
1249                 regulators = axp813_regulators;
1250                 nregulators = AXP813_REG_ID_MAX;
1251                 drivevbus = of_property_read_bool(pdev->dev.parent->of_node,
1252                                                   "x-powers,drive-vbus-en");
1253                 break;
1254         default:
1255                 dev_err(&pdev->dev, "Unsupported AXP variant: %ld\n",
1256                         axp20x->variant);
1257                 return -EINVAL;
1258         }
1259
1260         /* This only sets the dcdc freq. Ignore any errors */
1261         axp20x_regulator_parse_dt(pdev);
1262
1263         for (i = 0; i < nregulators; i++) {
1264                 const struct regulator_desc *desc = &regulators[i];
1265                 struct regulator_desc *new_desc;
1266
1267                 /*
1268                  * If this regulator is a slave in a poly-phase setup,
1269                  * skip it, as its controls are bound to the master
1270                  * regulator and won't work.
1271                  */
1272                 if (axp20x_is_polyphase_slave(axp20x, i))
1273                         continue;
1274
1275                 /* Support for AXP813's FLDO3 is not implemented */
1276                 if (axp20x->variant == AXP813_ID && i == AXP813_FLDO3)
1277                         continue;
1278
1279                 /*
1280                  * Regulators DC1SW and DC5LDO are connected internally,
1281                  * so we have to handle their supply names separately.
1282                  *
1283                  * We always register the regulators in proper sequence,
1284                  * so the supply names are correctly read. See the last
1285                  * part of this loop to see where we save the DT defined
1286                  * name.
1287                  */
1288                 if ((regulators == axp22x_regulators && i == AXP22X_DC1SW) ||
1289                     (regulators == axp803_regulators && i == AXP803_DC1SW) ||
1290                     (regulators == axp809_regulators && i == AXP809_DC1SW)) {
1291                         new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc),
1292                                                 GFP_KERNEL);
1293                         if (!new_desc)
1294                                 return -ENOMEM;
1295
1296                         *new_desc = regulators[i];
1297                         new_desc->supply_name = dcdc1_name;
1298                         desc = new_desc;
1299                 }
1300
1301                 if ((regulators == axp22x_regulators && i == AXP22X_DC5LDO) ||
1302                     (regulators == axp809_regulators && i == AXP809_DC5LDO)) {
1303                         new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc),
1304                                                 GFP_KERNEL);
1305                         if (!new_desc)
1306                                 return -ENOMEM;
1307
1308                         *new_desc = regulators[i];
1309                         new_desc->supply_name = dcdc5_name;
1310                         desc = new_desc;
1311                 }
1312
1313                 rdev = devm_regulator_register(&pdev->dev, desc, &config);
1314                 if (IS_ERR(rdev)) {
1315                         dev_err(&pdev->dev, "Failed to register %s\n",
1316                                 regulators[i].name);
1317
1318                         return PTR_ERR(rdev);
1319                 }
1320
1321                 ret = of_property_read_u32(rdev->dev.of_node,
1322                                            "x-powers,dcdc-workmode",
1323                                            &workmode);
1324                 if (!ret) {
1325                         if (axp20x_set_dcdc_workmode(rdev, i, workmode))
1326                                 dev_err(&pdev->dev, "Failed to set workmode on %s\n",
1327                                         rdev->desc->name);
1328                 }
1329
1330                 /*
1331                  * Save AXP22X DCDC1 / DCDC5 regulator names for later.
1332                  */
1333                 if ((regulators == axp22x_regulators && i == AXP22X_DCDC1) ||
1334                     (regulators == axp809_regulators && i == AXP809_DCDC1))
1335                         of_property_read_string(rdev->dev.of_node,
1336                                                 "regulator-name",
1337                                                 &dcdc1_name);
1338
1339                 if ((regulators == axp22x_regulators && i == AXP22X_DCDC5) ||
1340                     (regulators == axp809_regulators && i == AXP809_DCDC5))
1341                         of_property_read_string(rdev->dev.of_node,
1342                                                 "regulator-name",
1343                                                 &dcdc5_name);
1344         }
1345
1346         if (drivevbus) {
1347                 /* Change N_VBUSEN sense pin to DRIVEVBUS output pin */
1348                 regmap_update_bits(axp20x->regmap, AXP20X_OVER_TMP,
1349                                    AXP22X_MISC_N_VBUSEN_FUNC, 0);
1350                 rdev = devm_regulator_register(&pdev->dev,
1351                                                &axp22x_drivevbus_regulator,
1352                                                &config);
1353                 if (IS_ERR(rdev)) {
1354                         dev_err(&pdev->dev, "Failed to register drivevbus\n");
1355                         return PTR_ERR(rdev);
1356                 }
1357         }
1358
1359         return 0;
1360 }
1361
1362 static struct platform_driver axp20x_regulator_driver = {
1363         .probe  = axp20x_regulator_probe,
1364         .driver = {
1365                 .name           = "axp20x-regulator",
1366         },
1367 };
1368
1369 module_platform_driver(axp20x_regulator_driver);
1370
1371 MODULE_LICENSE("GPL v2");
1372 MODULE_AUTHOR("Carlo Caione <carlo@caione.org>");
1373 MODULE_DESCRIPTION("Regulator Driver for AXP20X PMIC");
1374 MODULE_ALIAS("platform:axp20x-regulator");