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_LDO2_V_OUT_MASK GENMASK(7, 4) 46 #define AXP20X_LDO3_V_OUT_MASK GENMASK(6, 0) 47 #define AXP20X_LDO4_V_OUT_MASK GENMASK(3, 0) 48 #define AXP20X_LDO5_V_OUT_MASK GENMASK(7, 4) 49 50 #define AXP20X_PWR_OUT_EXTEN_MASK BIT_MASK(0) 51 #define AXP20X_PWR_OUT_DCDC3_MASK BIT_MASK(1) 52 #define AXP20X_PWR_OUT_LDO2_MASK BIT_MASK(2) 53 #define AXP20X_PWR_OUT_LDO4_MASK BIT_MASK(3) 54 #define AXP20X_PWR_OUT_DCDC2_MASK BIT_MASK(4) 55 #define AXP20X_PWR_OUT_LDO3_MASK BIT_MASK(6) 56 57 #define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE_MASK BIT_MASK(0) 58 #define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE(x) \ 59 ((x) << 0) 60 #define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE_MASK BIT_MASK(1) 61 #define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE(x) \ 62 ((x) << 1) 63 #define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN_MASK BIT_MASK(2) 64 #define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN BIT(2) 65 #define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN_MASK BIT_MASK(3) 66 #define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN BIT(3) 67 68 #define AXP20X_LDO4_V_OUT_1250mV_START 0x0 69 #define AXP20X_LDO4_V_OUT_1250mV_STEPS 0 70 #define AXP20X_LDO4_V_OUT_1250mV_END \ 71 (AXP20X_LDO4_V_OUT_1250mV_START + AXP20X_LDO4_V_OUT_1250mV_STEPS) 72 #define AXP20X_LDO4_V_OUT_1300mV_START 0x1 73 #define AXP20X_LDO4_V_OUT_1300mV_STEPS 7 74 #define AXP20X_LDO4_V_OUT_1300mV_END \ 75 (AXP20X_LDO4_V_OUT_1300mV_START + AXP20X_LDO4_V_OUT_1300mV_STEPS) 76 #define AXP20X_LDO4_V_OUT_2500mV_START 0x9 77 #define AXP20X_LDO4_V_OUT_2500mV_STEPS 0 78 #define AXP20X_LDO4_V_OUT_2500mV_END \ 79 (AXP20X_LDO4_V_OUT_2500mV_START + AXP20X_LDO4_V_OUT_2500mV_STEPS) 80 #define AXP20X_LDO4_V_OUT_2700mV_START 0xa 81 #define AXP20X_LDO4_V_OUT_2700mV_STEPS 1 82 #define AXP20X_LDO4_V_OUT_2700mV_END \ 83 (AXP20X_LDO4_V_OUT_2700mV_START + AXP20X_LDO4_V_OUT_2700mV_STEPS) 84 #define AXP20X_LDO4_V_OUT_3000mV_START 0xc 85 #define AXP20X_LDO4_V_OUT_3000mV_STEPS 3 86 #define AXP20X_LDO4_V_OUT_3000mV_END \ 87 (AXP20X_LDO4_V_OUT_3000mV_START + AXP20X_LDO4_V_OUT_3000mV_STEPS) 88 #define AXP20X_LDO4_V_OUT_NUM_VOLTAGES 16 89 90 #define AXP22X_IO_ENABLED 0x03 91 #define AXP22X_IO_DISABLED 0x04 92 93 #define AXP22X_WORKMODE_DCDCX_MASK(x) BIT_MASK(x) 94 95 #define AXP22X_MISC_N_VBUSEN_FUNC BIT(4) 96 97 #define AXP22X_DCDC1_V_OUT_MASK GENMASK(4, 0) 98 #define AXP22X_DCDC2_V_OUT_MASK GENMASK(5, 0) 99 #define AXP22X_DCDC3_V_OUT_MASK GENMASK(5, 0) 100 #define AXP22X_DCDC4_V_OUT_MASK GENMASK(5, 0) 101 #define AXP22X_DCDC5_V_OUT_MASK GENMASK(4, 0) 102 #define AXP22X_DC5LDO_V_OUT_MASK GENMASK(2, 0) 103 #define AXP22X_ALDO1_V_OUT_MASK GENMASK(4, 0) 104 #define AXP22X_ALDO2_V_OUT_MASK GENMASK(4, 0) 105 #define AXP22X_ALDO3_V_OUT_MASK GENMASK(4, 0) 106 #define AXP22X_DLDO1_V_OUT_MASK GENMASK(4, 0) 107 #define AXP22X_DLDO2_V_OUT_MASK GENMASK(4, 0) 108 #define AXP22X_DLDO3_V_OUT_MASK GENMASK(4, 0) 109 #define AXP22X_DLDO4_V_OUT_MASK GENMASK(4, 0) 110 #define AXP22X_ELDO1_V_OUT_MASK GENMASK(4, 0) 111 #define AXP22X_ELDO2_V_OUT_MASK GENMASK(4, 0) 112 #define AXP22X_ELDO3_V_OUT_MASK GENMASK(4, 0) 113 #define AXP22X_LDO_IO0_V_OUT_MASK GENMASK(4, 0) 114 #define AXP22X_LDO_IO1_V_OUT_MASK GENMASK(4, 0) 115 116 #define AXP22X_PWR_OUT_DC5LDO_MASK BIT_MASK(0) 117 #define AXP22X_PWR_OUT_DCDC1_MASK BIT_MASK(1) 118 #define AXP22X_PWR_OUT_DCDC2_MASK BIT_MASK(2) 119 #define AXP22X_PWR_OUT_DCDC3_MASK BIT_MASK(3) 120 #define AXP22X_PWR_OUT_DCDC4_MASK BIT_MASK(4) 121 #define AXP22X_PWR_OUT_DCDC5_MASK BIT_MASK(5) 122 #define AXP22X_PWR_OUT_ALDO1_MASK BIT_MASK(6) 123 #define AXP22X_PWR_OUT_ALDO2_MASK BIT_MASK(7) 124 125 #define AXP22X_PWR_OUT_SW_MASK BIT_MASK(6) 126 #define AXP22X_PWR_OUT_DC1SW_MASK BIT_MASK(7) 127 128 #define AXP22X_PWR_OUT_ELDO1_MASK BIT_MASK(0) 129 #define AXP22X_PWR_OUT_ELDO2_MASK BIT_MASK(1) 130 #define AXP22X_PWR_OUT_ELDO3_MASK BIT_MASK(2) 131 #define AXP22X_PWR_OUT_DLDO1_MASK BIT_MASK(3) 132 #define AXP22X_PWR_OUT_DLDO2_MASK BIT_MASK(4) 133 #define AXP22X_PWR_OUT_DLDO3_MASK BIT_MASK(5) 134 #define AXP22X_PWR_OUT_DLDO4_MASK BIT_MASK(6) 135 #define AXP22X_PWR_OUT_ALDO3_MASK BIT_MASK(7) 136 137 #define AXP803_PWR_OUT_DCDC1_MASK BIT_MASK(0) 138 #define AXP803_PWR_OUT_DCDC2_MASK BIT_MASK(1) 139 #define AXP803_PWR_OUT_DCDC3_MASK BIT_MASK(2) 140 #define AXP803_PWR_OUT_DCDC4_MASK BIT_MASK(3) 141 #define AXP803_PWR_OUT_DCDC5_MASK BIT_MASK(4) 142 #define AXP803_PWR_OUT_DCDC6_MASK BIT_MASK(5) 143 144 #define AXP803_PWR_OUT_FLDO1_MASK BIT_MASK(2) 145 #define AXP803_PWR_OUT_FLDO2_MASK BIT_MASK(3) 146 147 #define AXP803_DCDC1_V_OUT_MASK GENMASK(4, 0) 148 #define AXP803_DCDC2_V_OUT_MASK GENMASK(6, 0) 149 #define AXP803_DCDC3_V_OUT_MASK GENMASK(6, 0) 150 #define AXP803_DCDC4_V_OUT_MASK GENMASK(6, 0) 151 #define AXP803_DCDC5_V_OUT_MASK GENMASK(6, 0) 152 #define AXP803_DCDC6_V_OUT_MASK GENMASK(6, 0) 153 154 #define AXP803_FLDO1_V_OUT_MASK GENMASK(3, 0) 155 #define AXP803_FLDO2_V_OUT_MASK GENMASK(3, 0) 156 157 #define AXP803_DCDC23_POLYPHASE_DUAL BIT(6) 158 #define AXP803_DCDC56_POLYPHASE_DUAL BIT(5) 159 160 #define AXP803_DCDC234_500mV_START 0x00 161 #define AXP803_DCDC234_500mV_STEPS 70 162 #define AXP803_DCDC234_500mV_END \ 163 (AXP803_DCDC234_500mV_START + AXP803_DCDC234_500mV_STEPS) 164 #define AXP803_DCDC234_1220mV_START 0x47 165 #define AXP803_DCDC234_1220mV_STEPS 4 166 #define AXP803_DCDC234_1220mV_END \ 167 (AXP803_DCDC234_1220mV_START + AXP803_DCDC234_1220mV_STEPS) 168 #define AXP803_DCDC234_NUM_VOLTAGES 76 169 170 #define AXP803_DCDC5_800mV_START 0x00 171 #define AXP803_DCDC5_800mV_STEPS 32 172 #define AXP803_DCDC5_800mV_END \ 173 (AXP803_DCDC5_800mV_START + AXP803_DCDC5_800mV_STEPS) 174 #define AXP803_DCDC5_1140mV_START 0x21 175 #define AXP803_DCDC5_1140mV_STEPS 35 176 #define AXP803_DCDC5_1140mV_END \ 177 (AXP803_DCDC5_1140mV_START + AXP803_DCDC5_1140mV_STEPS) 178 #define AXP803_DCDC5_NUM_VOLTAGES 69 179 180 #define AXP803_DCDC6_600mV_START 0x00 181 #define AXP803_DCDC6_600mV_STEPS 50 182 #define AXP803_DCDC6_600mV_END \ 183 (AXP803_DCDC6_600mV_START + AXP803_DCDC6_600mV_STEPS) 184 #define AXP803_DCDC6_1120mV_START 0x33 185 #define AXP803_DCDC6_1120mV_STEPS 20 186 #define AXP803_DCDC6_1120mV_END \ 187 (AXP803_DCDC6_1120mV_START + AXP803_DCDC6_1120mV_STEPS) 188 #define AXP803_DCDC6_NUM_VOLTAGES 72 189 190 #define AXP803_DLDO2_700mV_START 0x00 191 #define AXP803_DLDO2_700mV_STEPS 26 192 #define AXP803_DLDO2_700mV_END \ 193 (AXP803_DLDO2_700mV_START + AXP803_DLDO2_700mV_STEPS) 194 #define AXP803_DLDO2_3400mV_START 0x1b 195 #define AXP803_DLDO2_3400mV_STEPS 4 196 #define AXP803_DLDO2_3400mV_END \ 197 (AXP803_DLDO2_3400mV_START + AXP803_DLDO2_3400mV_STEPS) 198 #define AXP803_DLDO2_NUM_VOLTAGES 32 199 200 #define AXP806_DCDCA_V_CTRL_MASK GENMASK(6, 0) 201 #define AXP806_DCDCB_V_CTRL_MASK GENMASK(4, 0) 202 #define AXP806_DCDCC_V_CTRL_MASK GENMASK(6, 0) 203 #define AXP806_DCDCD_V_CTRL_MASK GENMASK(5, 0) 204 #define AXP806_DCDCE_V_CTRL_MASK GENMASK(4, 0) 205 #define AXP806_ALDO1_V_CTRL_MASK GENMASK(4, 0) 206 #define AXP806_ALDO2_V_CTRL_MASK GENMASK(4, 0) 207 #define AXP806_ALDO3_V_CTRL_MASK GENMASK(4, 0) 208 #define AXP806_BLDO1_V_CTRL_MASK GENMASK(3, 0) 209 #define AXP806_BLDO2_V_CTRL_MASK GENMASK(3, 0) 210 #define AXP806_BLDO3_V_CTRL_MASK GENMASK(3, 0) 211 #define AXP806_BLDO4_V_CTRL_MASK GENMASK(3, 0) 212 #define AXP806_CLDO1_V_CTRL_MASK GENMASK(4, 0) 213 #define AXP806_CLDO2_V_CTRL_MASK GENMASK(4, 0) 214 #define AXP806_CLDO3_V_CTRL_MASK GENMASK(4, 0) 215 216 #define AXP806_PWR_OUT_DCDCA_MASK BIT_MASK(0) 217 #define AXP806_PWR_OUT_DCDCB_MASK BIT_MASK(1) 218 #define AXP806_PWR_OUT_DCDCC_MASK BIT_MASK(2) 219 #define AXP806_PWR_OUT_DCDCD_MASK BIT_MASK(3) 220 #define AXP806_PWR_OUT_DCDCE_MASK BIT_MASK(4) 221 #define AXP806_PWR_OUT_ALDO1_MASK BIT_MASK(5) 222 #define AXP806_PWR_OUT_ALDO2_MASK BIT_MASK(6) 223 #define AXP806_PWR_OUT_ALDO3_MASK BIT_MASK(7) 224 #define AXP806_PWR_OUT_BLDO1_MASK BIT_MASK(0) 225 #define AXP806_PWR_OUT_BLDO2_MASK BIT_MASK(1) 226 #define AXP806_PWR_OUT_BLDO3_MASK BIT_MASK(2) 227 #define AXP806_PWR_OUT_BLDO4_MASK BIT_MASK(3) 228 #define AXP806_PWR_OUT_CLDO1_MASK BIT_MASK(4) 229 #define AXP806_PWR_OUT_CLDO2_MASK BIT_MASK(5) 230 #define AXP806_PWR_OUT_CLDO3_MASK BIT_MASK(6) 231 #define AXP806_PWR_OUT_SW_MASK BIT_MASK(7) 232 233 #define AXP806_DCDCAB_POLYPHASE_DUAL 0x40 234 #define AXP806_DCDCABC_POLYPHASE_TRI 0x80 235 #define AXP806_DCDCABC_POLYPHASE_MASK GENMASK(7, 6) 236 237 #define AXP806_DCDCDE_POLYPHASE_DUAL BIT(5) 238 239 #define AXP806_DCDCA_600mV_START 0x00 240 #define AXP806_DCDCA_600mV_STEPS 50 241 #define AXP806_DCDCA_600mV_END \ 242 (AXP806_DCDCA_600mV_START + AXP806_DCDCA_600mV_STEPS) 243 #define AXP806_DCDCA_1120mV_START 0x33 244 #define AXP806_DCDCA_1120mV_STEPS 20 245 #define AXP806_DCDCA_1120mV_END \ 246 (AXP806_DCDCA_1120mV_START + AXP806_DCDCA_1120mV_STEPS) 247 #define AXP806_DCDCA_NUM_VOLTAGES 72 248 249 #define AXP806_DCDCD_600mV_START 0x00 250 #define AXP806_DCDCD_600mV_STEPS 45 251 #define AXP806_DCDCD_600mV_END \ 252 (AXP806_DCDCD_600mV_START + AXP806_DCDCD_600mV_STEPS) 253 #define AXP806_DCDCD_1600mV_START 0x2e 254 #define AXP806_DCDCD_1600mV_STEPS 17 255 #define AXP806_DCDCD_1600mV_END \ 256 (AXP806_DCDCD_1600mV_START + AXP806_DCDCD_1600mV_STEPS) 257 #define AXP806_DCDCD_NUM_VOLTAGES 64 258 259 #define AXP809_DCDC4_600mV_START 0x00 260 #define AXP809_DCDC4_600mV_STEPS 47 261 #define AXP809_DCDC4_600mV_END \ 262 (AXP809_DCDC4_600mV_START + AXP809_DCDC4_600mV_STEPS) 263 #define AXP809_DCDC4_1800mV_START 0x30 264 #define AXP809_DCDC4_1800mV_STEPS 8 265 #define AXP809_DCDC4_1800mV_END \ 266 (AXP809_DCDC4_1800mV_START + AXP809_DCDC4_1800mV_STEPS) 267 #define AXP809_DCDC4_NUM_VOLTAGES 57 268 269 #define AXP813_DCDC7_V_OUT_MASK GENMASK(6, 0) 270 271 #define AXP813_PWR_OUT_DCDC7_MASK BIT_MASK(6) 272 273 #define AXP_DESC_IO(_family, _id, _match, _supply, _min, _max, _step, _vreg, \ 274 _vmask, _ereg, _emask, _enable_val, _disable_val) \ 275 [_family##_##_id] = { \ 276 .name = (_match), \ 277 .supply_name = (_supply), \ 278 .of_match = of_match_ptr(_match), \ 279 .regulators_node = of_match_ptr("regulators"), \ 280 .type = REGULATOR_VOLTAGE, \ 281 .id = _family##_##_id, \ 282 .n_voltages = (((_max) - (_min)) / (_step) + 1), \ 283 .owner = THIS_MODULE, \ 284 .min_uV = (_min) * 1000, \ 285 .uV_step = (_step) * 1000, \ 286 .vsel_reg = (_vreg), \ 287 .vsel_mask = (_vmask), \ 288 .enable_reg = (_ereg), \ 289 .enable_mask = (_emask), \ 290 .enable_val = (_enable_val), \ 291 .disable_val = (_disable_val), \ 292 .ops = &axp20x_ops, \ 293 } 294 295 #define AXP_DESC(_family, _id, _match, _supply, _min, _max, _step, _vreg, \ 296 _vmask, _ereg, _emask) \ 297 [_family##_##_id] = { \ 298 .name = (_match), \ 299 .supply_name = (_supply), \ 300 .of_match = of_match_ptr(_match), \ 301 .regulators_node = of_match_ptr("regulators"), \ 302 .type = REGULATOR_VOLTAGE, \ 303 .id = _family##_##_id, \ 304 .n_voltages = (((_max) - (_min)) / (_step) + 1), \ 305 .owner = THIS_MODULE, \ 306 .min_uV = (_min) * 1000, \ 307 .uV_step = (_step) * 1000, \ 308 .vsel_reg = (_vreg), \ 309 .vsel_mask = (_vmask), \ 310 .enable_reg = (_ereg), \ 311 .enable_mask = (_emask), \ 312 .ops = &axp20x_ops, \ 313 } 314 315 #define AXP_DESC_SW(_family, _id, _match, _supply, _ereg, _emask) \ 316 [_family##_##_id] = { \ 317 .name = (_match), \ 318 .supply_name = (_supply), \ 319 .of_match = of_match_ptr(_match), \ 320 .regulators_node = of_match_ptr("regulators"), \ 321 .type = REGULATOR_VOLTAGE, \ 322 .id = _family##_##_id, \ 323 .owner = THIS_MODULE, \ 324 .enable_reg = (_ereg), \ 325 .enable_mask = (_emask), \ 326 .ops = &axp20x_ops_sw, \ 327 } 328 329 #define AXP_DESC_FIXED(_family, _id, _match, _supply, _volt) \ 330 [_family##_##_id] = { \ 331 .name = (_match), \ 332 .supply_name = (_supply), \ 333 .of_match = of_match_ptr(_match), \ 334 .regulators_node = of_match_ptr("regulators"), \ 335 .type = REGULATOR_VOLTAGE, \ 336 .id = _family##_##_id, \ 337 .n_voltages = 1, \ 338 .owner = THIS_MODULE, \ 339 .min_uV = (_volt) * 1000, \ 340 .ops = &axp20x_ops_fixed \ 341 } 342 343 #define AXP_DESC_RANGES(_family, _id, _match, _supply, _ranges, _n_voltages, \ 344 _vreg, _vmask, _ereg, _emask) \ 345 [_family##_##_id] = { \ 346 .name = (_match), \ 347 .supply_name = (_supply), \ 348 .of_match = of_match_ptr(_match), \ 349 .regulators_node = of_match_ptr("regulators"), \ 350 .type = REGULATOR_VOLTAGE, \ 351 .id = _family##_##_id, \ 352 .n_voltages = (_n_voltages), \ 353 .owner = THIS_MODULE, \ 354 .vsel_reg = (_vreg), \ 355 .vsel_mask = (_vmask), \ 356 .enable_reg = (_ereg), \ 357 .enable_mask = (_emask), \ 358 .linear_ranges = (_ranges), \ 359 .n_linear_ranges = ARRAY_SIZE(_ranges), \ 360 .ops = &axp20x_ops_range, \ 361 } 362 363 static const int axp209_dcdc2_ldo3_slew_rates[] = { 364 1600, 365 800, 366 }; 367 368 static int axp20x_set_ramp_delay(struct regulator_dev *rdev, int ramp) 369 { 370 struct axp20x_dev *axp20x = rdev_get_drvdata(rdev); 371 int id = rdev_get_id(rdev); 372 u8 reg, mask, enable, cfg = 0xff; 373 const int *slew_rates; 374 int rate_count = 0; 375 376 switch (axp20x->variant) { 377 case AXP209_ID: 378 if (id == AXP20X_DCDC2) { 379 slew_rates = axp209_dcdc2_ldo3_slew_rates; 380 rate_count = ARRAY_SIZE(axp209_dcdc2_ldo3_slew_rates); 381 reg = AXP20X_DCDC2_LDO3_V_RAMP; 382 mask = AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE_MASK | 383 AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN_MASK; 384 enable = (ramp > 0) ? 385 AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN : 0; 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 : 0; 397 break; 398 } 399 400 if (rate_count > 0) 401 break; 402 403 fallthrough; 404 default: 405 /* Not supported for this regulator */ 406 return -ENOTSUPP; 407 } 408 409 if (ramp == 0) { 410 cfg = enable; 411 } else { 412 int i; 413 414 for (i = 0; i < rate_count; i++) { 415 if (ramp > slew_rates[i]) 416 break; 417 418 if (id == AXP20X_DCDC2) 419 cfg = AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE(i); 420 else 421 cfg = AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE(i); 422 } 423 424 if (cfg == 0xff) { 425 dev_err(axp20x->dev, "unsupported ramp value %d", ramp); 426 return -EINVAL; 427 } 428 429 cfg |= enable; 430 } 431 432 return regmap_update_bits(axp20x->regmap, reg, mask, cfg); 433 } 434 435 static int axp20x_regulator_enable_regmap(struct regulator_dev *rdev) 436 { 437 struct axp20x_dev *axp20x = rdev_get_drvdata(rdev); 438 int id = rdev_get_id(rdev); 439 440 switch (axp20x->variant) { 441 case AXP209_ID: 442 if ((id == AXP20X_LDO3) && 443 rdev->constraints && rdev->constraints->soft_start) { 444 int v_out; 445 int ret; 446 447 /* 448 * On some boards, the LDO3 can be overloaded when 449 * turning on, causing the entire PMIC to shutdown 450 * without warning. Turning it on at the minimal voltage 451 * and then setting the voltage to the requested value 452 * works reliably. 453 */ 454 if (regulator_is_enabled_regmap(rdev)) 455 break; 456 457 v_out = regulator_get_voltage_sel_regmap(rdev); 458 if (v_out < 0) 459 return v_out; 460 461 if (v_out == 0) 462 break; 463 464 ret = regulator_set_voltage_sel_regmap(rdev, 0x00); 465 /* 466 * A small pause is needed between 467 * setting the voltage and enabling the LDO to give the 468 * internal state machine time to process the request. 469 */ 470 usleep_range(1000, 5000); 471 ret |= regulator_enable_regmap(rdev); 472 ret |= regulator_set_voltage_sel_regmap(rdev, v_out); 473 474 return ret; 475 } 476 break; 477 default: 478 /* No quirks */ 479 break; 480 } 481 482 return regulator_enable_regmap(rdev); 483 }; 484 485 static const struct regulator_ops axp20x_ops_fixed = { 486 .list_voltage = regulator_list_voltage_linear, 487 }; 488 489 static const struct regulator_ops axp20x_ops_range = { 490 .set_voltage_sel = regulator_set_voltage_sel_regmap, 491 .get_voltage_sel = regulator_get_voltage_sel_regmap, 492 .list_voltage = regulator_list_voltage_linear_range, 493 .enable = regulator_enable_regmap, 494 .disable = regulator_disable_regmap, 495 .is_enabled = regulator_is_enabled_regmap, 496 }; 497 498 static const struct regulator_ops axp20x_ops = { 499 .set_voltage_sel = regulator_set_voltage_sel_regmap, 500 .get_voltage_sel = regulator_get_voltage_sel_regmap, 501 .list_voltage = regulator_list_voltage_linear, 502 .enable = axp20x_regulator_enable_regmap, 503 .disable = regulator_disable_regmap, 504 .is_enabled = regulator_is_enabled_regmap, 505 .set_ramp_delay = axp20x_set_ramp_delay, 506 }; 507 508 static const struct regulator_ops axp20x_ops_sw = { 509 .enable = regulator_enable_regmap, 510 .disable = regulator_disable_regmap, 511 .is_enabled = regulator_is_enabled_regmap, 512 }; 513 514 static const struct linear_range axp20x_ldo4_ranges[] = { 515 REGULATOR_LINEAR_RANGE(1250000, 516 AXP20X_LDO4_V_OUT_1250mV_START, 517 AXP20X_LDO4_V_OUT_1250mV_END, 518 0), 519 REGULATOR_LINEAR_RANGE(1300000, 520 AXP20X_LDO4_V_OUT_1300mV_START, 521 AXP20X_LDO4_V_OUT_1300mV_END, 522 100000), 523 REGULATOR_LINEAR_RANGE(2500000, 524 AXP20X_LDO4_V_OUT_2500mV_START, 525 AXP20X_LDO4_V_OUT_2500mV_END, 526 0), 527 REGULATOR_LINEAR_RANGE(2700000, 528 AXP20X_LDO4_V_OUT_2700mV_START, 529 AXP20X_LDO4_V_OUT_2700mV_END, 530 100000), 531 REGULATOR_LINEAR_RANGE(3000000, 532 AXP20X_LDO4_V_OUT_3000mV_START, 533 AXP20X_LDO4_V_OUT_3000mV_END, 534 100000), 535 }; 536 537 static const struct regulator_desc axp20x_regulators[] = { 538 AXP_DESC(AXP20X, DCDC2, "dcdc2", "vin2", 700, 2275, 25, 539 AXP20X_DCDC2_V_OUT, AXP20X_DCDC2_V_OUT_MASK, 540 AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_DCDC2_MASK), 541 AXP_DESC(AXP20X, DCDC3, "dcdc3", "vin3", 700, 3500, 25, 542 AXP20X_DCDC3_V_OUT, AXP20X_DCDC3_V_OUT_MASK, 543 AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_DCDC3_MASK), 544 AXP_DESC_FIXED(AXP20X, LDO1, "ldo1", "acin", 1300), 545 AXP_DESC(AXP20X, LDO2, "ldo2", "ldo24in", 1800, 3300, 100, 546 AXP20X_LDO24_V_OUT, AXP20X_LDO2_V_OUT_MASK, 547 AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_LDO2_MASK), 548 AXP_DESC(AXP20X, LDO3, "ldo3", "ldo3in", 700, 3500, 25, 549 AXP20X_LDO3_V_OUT, AXP20X_LDO3_V_OUT_MASK, 550 AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_LDO3_MASK), 551 AXP_DESC_RANGES(AXP20X, LDO4, "ldo4", "ldo24in", 552 axp20x_ldo4_ranges, AXP20X_LDO4_V_OUT_NUM_VOLTAGES, 553 AXP20X_LDO24_V_OUT, AXP20X_LDO4_V_OUT_MASK, 554 AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_LDO4_MASK), 555 AXP_DESC_IO(AXP20X, LDO5, "ldo5", "ldo5in", 1800, 3300, 100, 556 AXP20X_LDO5_V_OUT, AXP20X_LDO5_V_OUT_MASK, 557 AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK, 558 AXP20X_IO_ENABLED, AXP20X_IO_DISABLED), 559 }; 560 561 static const struct regulator_desc axp22x_regulators[] = { 562 AXP_DESC(AXP22X, DCDC1, "dcdc1", "vin1", 1600, 3400, 100, 563 AXP22X_DCDC1_V_OUT, AXP22X_DCDC1_V_OUT_MASK, 564 AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC1_MASK), 565 AXP_DESC(AXP22X, DCDC2, "dcdc2", "vin2", 600, 1540, 20, 566 AXP22X_DCDC2_V_OUT, AXP22X_DCDC2_V_OUT_MASK, 567 AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC2_MASK), 568 AXP_DESC(AXP22X, DCDC3, "dcdc3", "vin3", 600, 1860, 20, 569 AXP22X_DCDC3_V_OUT, AXP22X_DCDC3_V_OUT_MASK, 570 AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC3_MASK), 571 AXP_DESC(AXP22X, DCDC4, "dcdc4", "vin4", 600, 1540, 20, 572 AXP22X_DCDC4_V_OUT, AXP22X_DCDC4_V_OUT_MASK, 573 AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC4_MASK), 574 AXP_DESC(AXP22X, DCDC5, "dcdc5", "vin5", 1000, 2550, 50, 575 AXP22X_DCDC5_V_OUT, AXP22X_DCDC5_V_OUT_MASK, 576 AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC5_MASK), 577 /* secondary switchable output of DCDC1 */ 578 AXP_DESC_SW(AXP22X, DC1SW, "dc1sw", NULL, 579 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK), 580 /* LDO regulator internally chained to DCDC5 */ 581 AXP_DESC(AXP22X, DC5LDO, "dc5ldo", NULL, 700, 1400, 100, 582 AXP22X_DC5LDO_V_OUT, AXP22X_DC5LDO_V_OUT_MASK, 583 AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DC5LDO_MASK), 584 AXP_DESC(AXP22X, ALDO1, "aldo1", "aldoin", 700, 3300, 100, 585 AXP22X_ALDO1_V_OUT, AXP22X_ALDO1_V_OUT_MASK, 586 AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_ALDO1_MASK), 587 AXP_DESC(AXP22X, ALDO2, "aldo2", "aldoin", 700, 3300, 100, 588 AXP22X_ALDO2_V_OUT, AXP22X_ALDO2_V_OUT_MASK, 589 AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_ALDO2_MASK), 590 AXP_DESC(AXP22X, ALDO3, "aldo3", "aldoin", 700, 3300, 100, 591 AXP22X_ALDO3_V_OUT, AXP22X_ALDO3_V_OUT_MASK, 592 AXP22X_PWR_OUT_CTRL3, AXP22X_PWR_OUT_ALDO3_MASK), 593 AXP_DESC(AXP22X, DLDO1, "dldo1", "dldoin", 700, 3300, 100, 594 AXP22X_DLDO1_V_OUT, AXP22X_DLDO1_V_OUT_MASK, 595 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO1_MASK), 596 AXP_DESC(AXP22X, DLDO2, "dldo2", "dldoin", 700, 3300, 100, 597 AXP22X_DLDO2_V_OUT, AXP22X_PWR_OUT_DLDO2_MASK, 598 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO2_MASK), 599 AXP_DESC(AXP22X, DLDO3, "dldo3", "dldoin", 700, 3300, 100, 600 AXP22X_DLDO3_V_OUT, AXP22X_DLDO3_V_OUT_MASK, 601 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO3_MASK), 602 AXP_DESC(AXP22X, DLDO4, "dldo4", "dldoin", 700, 3300, 100, 603 AXP22X_DLDO4_V_OUT, AXP22X_DLDO4_V_OUT_MASK, 604 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO4_MASK), 605 AXP_DESC(AXP22X, ELDO1, "eldo1", "eldoin", 700, 3300, 100, 606 AXP22X_ELDO1_V_OUT, AXP22X_ELDO1_V_OUT_MASK, 607 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO1_MASK), 608 AXP_DESC(AXP22X, ELDO2, "eldo2", "eldoin", 700, 3300, 100, 609 AXP22X_ELDO2_V_OUT, AXP22X_ELDO2_V_OUT_MASK, 610 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO2_MASK), 611 AXP_DESC(AXP22X, ELDO3, "eldo3", "eldoin", 700, 3300, 100, 612 AXP22X_ELDO3_V_OUT, AXP22X_ELDO3_V_OUT_MASK, 613 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO3_MASK), 614 /* Note the datasheet only guarantees reliable operation up to 615 * 3.3V, this needs to be enforced via dts provided constraints */ 616 AXP_DESC_IO(AXP22X, LDO_IO0, "ldo_io0", "ips", 700, 3800, 100, 617 AXP22X_LDO_IO0_V_OUT, AXP22X_LDO_IO0_V_OUT_MASK, 618 AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK, 619 AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), 620 /* Note the datasheet only guarantees reliable operation up to 621 * 3.3V, this needs to be enforced via dts provided constraints */ 622 AXP_DESC_IO(AXP22X, LDO_IO1, "ldo_io1", "ips", 700, 3800, 100, 623 AXP22X_LDO_IO1_V_OUT, AXP22X_LDO_IO1_V_OUT_MASK, 624 AXP20X_GPIO1_CTRL, AXP20X_GPIO1_FUNC_MASK, 625 AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), 626 AXP_DESC_FIXED(AXP22X, RTC_LDO, "rtc_ldo", "ips", 3000), 627 }; 628 629 static const struct regulator_desc axp22x_drivevbus_regulator = { 630 .name = "drivevbus", 631 .supply_name = "drivevbus", 632 .of_match = of_match_ptr("drivevbus"), 633 .regulators_node = of_match_ptr("regulators"), 634 .type = REGULATOR_VOLTAGE, 635 .owner = THIS_MODULE, 636 .enable_reg = AXP20X_VBUS_IPSOUT_MGMT, 637 .enable_mask = AXP20X_VBUS_IPSOUT_MGMT_MASK, 638 .ops = &axp20x_ops_sw, 639 }; 640 641 /* DCDC ranges shared with AXP813 */ 642 static const struct linear_range axp803_dcdc234_ranges[] = { 643 REGULATOR_LINEAR_RANGE(500000, 644 AXP803_DCDC234_500mV_START, 645 AXP803_DCDC234_500mV_END, 646 10000), 647 REGULATOR_LINEAR_RANGE(1220000, 648 AXP803_DCDC234_1220mV_START, 649 AXP803_DCDC234_1220mV_END, 650 20000), 651 }; 652 653 static const struct linear_range axp803_dcdc5_ranges[] = { 654 REGULATOR_LINEAR_RANGE(800000, 655 AXP803_DCDC5_800mV_START, 656 AXP803_DCDC5_800mV_END, 657 10000), 658 REGULATOR_LINEAR_RANGE(1140000, 659 AXP803_DCDC5_1140mV_START, 660 AXP803_DCDC5_1140mV_END, 661 20000), 662 }; 663 664 static const struct linear_range axp803_dcdc6_ranges[] = { 665 REGULATOR_LINEAR_RANGE(600000, 666 AXP803_DCDC6_600mV_START, 667 AXP803_DCDC6_600mV_END, 668 10000), 669 REGULATOR_LINEAR_RANGE(1120000, 670 AXP803_DCDC6_1120mV_START, 671 AXP803_DCDC6_1120mV_END, 672 20000), 673 }; 674 675 /* AXP806's CLDO2 and AXP809's DLDO1 share the same range */ 676 static const struct linear_range axp803_dldo2_ranges[] = { 677 REGULATOR_LINEAR_RANGE(700000, 678 AXP803_DLDO2_700mV_START, 679 AXP803_DLDO2_700mV_END, 680 100000), 681 REGULATOR_LINEAR_RANGE(3400000, 682 AXP803_DLDO2_3400mV_START, 683 AXP803_DLDO2_3400mV_END, 684 200000), 685 }; 686 687 static const struct regulator_desc axp803_regulators[] = { 688 AXP_DESC(AXP803, DCDC1, "dcdc1", "vin1", 1600, 3400, 100, 689 AXP803_DCDC1_V_OUT, AXP803_DCDC1_V_OUT_MASK, 690 AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC1_MASK), 691 AXP_DESC_RANGES(AXP803, DCDC2, "dcdc2", "vin2", 692 axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES, 693 AXP803_DCDC2_V_OUT, AXP803_DCDC2_V_OUT_MASK, 694 AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC2_MASK), 695 AXP_DESC_RANGES(AXP803, DCDC3, "dcdc3", "vin3", 696 axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES, 697 AXP803_DCDC3_V_OUT, AXP803_DCDC3_V_OUT_MASK, 698 AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC3_MASK), 699 AXP_DESC_RANGES(AXP803, DCDC4, "dcdc4", "vin4", 700 axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES, 701 AXP803_DCDC4_V_OUT, AXP803_DCDC4_V_OUT_MASK, 702 AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC4_MASK), 703 AXP_DESC_RANGES(AXP803, DCDC5, "dcdc5", "vin5", 704 axp803_dcdc5_ranges, AXP803_DCDC5_NUM_VOLTAGES, 705 AXP803_DCDC5_V_OUT, AXP803_DCDC5_V_OUT_MASK, 706 AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC5_MASK), 707 AXP_DESC_RANGES(AXP803, DCDC6, "dcdc6", "vin6", 708 axp803_dcdc6_ranges, AXP803_DCDC6_NUM_VOLTAGES, 709 AXP803_DCDC6_V_OUT, AXP803_DCDC6_V_OUT_MASK, 710 AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC6_MASK), 711 /* secondary switchable output of DCDC1 */ 712 AXP_DESC_SW(AXP803, DC1SW, "dc1sw", NULL, 713 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK), 714 AXP_DESC(AXP803, ALDO1, "aldo1", "aldoin", 700, 3300, 100, 715 AXP22X_ALDO1_V_OUT, AXP22X_ALDO1_V_OUT_MASK, 716 AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO1_MASK), 717 AXP_DESC(AXP803, ALDO2, "aldo2", "aldoin", 700, 3300, 100, 718 AXP22X_ALDO2_V_OUT, AXP22X_ALDO2_V_OUT_MASK, 719 AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO2_MASK), 720 AXP_DESC(AXP803, ALDO3, "aldo3", "aldoin", 700, 3300, 100, 721 AXP22X_ALDO3_V_OUT, AXP22X_ALDO3_V_OUT_MASK, 722 AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO3_MASK), 723 AXP_DESC(AXP803, DLDO1, "dldo1", "dldoin", 700, 3300, 100, 724 AXP22X_DLDO1_V_OUT, AXP22X_DLDO1_V_OUT_MASK, 725 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO1_MASK), 726 AXP_DESC_RANGES(AXP803, DLDO2, "dldo2", "dldoin", 727 axp803_dldo2_ranges, AXP803_DLDO2_NUM_VOLTAGES, 728 AXP22X_DLDO2_V_OUT, AXP22X_DLDO2_V_OUT_MASK, 729 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO2_MASK), 730 AXP_DESC(AXP803, DLDO3, "dldo3", "dldoin", 700, 3300, 100, 731 AXP22X_DLDO3_V_OUT, AXP22X_DLDO3_V_OUT_MASK, 732 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO3_MASK), 733 AXP_DESC(AXP803, DLDO4, "dldo4", "dldoin", 700, 3300, 100, 734 AXP22X_DLDO4_V_OUT, AXP22X_DLDO4_V_OUT_MASK, 735 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO4_MASK), 736 AXP_DESC(AXP803, ELDO1, "eldo1", "eldoin", 700, 1900, 50, 737 AXP22X_ELDO1_V_OUT, AXP22X_ELDO1_V_OUT_MASK, 738 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO1_MASK), 739 AXP_DESC(AXP803, ELDO2, "eldo2", "eldoin", 700, 1900, 50, 740 AXP22X_ELDO2_V_OUT, AXP22X_ELDO2_V_OUT_MASK, 741 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO2_MASK), 742 AXP_DESC(AXP803, ELDO3, "eldo3", "eldoin", 700, 1900, 50, 743 AXP22X_ELDO3_V_OUT, AXP22X_ELDO3_V_OUT_MASK, 744 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO3_MASK), 745 AXP_DESC(AXP803, FLDO1, "fldo1", "fldoin", 700, 1450, 50, 746 AXP803_FLDO1_V_OUT, AXP803_FLDO1_V_OUT_MASK, 747 AXP22X_PWR_OUT_CTRL3, AXP803_PWR_OUT_FLDO1_MASK), 748 AXP_DESC(AXP803, FLDO2, "fldo2", "fldoin", 700, 1450, 50, 749 AXP803_FLDO2_V_OUT, AXP803_FLDO2_V_OUT_MASK, 750 AXP22X_PWR_OUT_CTRL3, AXP803_PWR_OUT_FLDO2_MASK), 751 AXP_DESC_IO(AXP803, LDO_IO0, "ldo-io0", "ips", 700, 3300, 100, 752 AXP22X_LDO_IO0_V_OUT, AXP22X_LDO_IO0_V_OUT_MASK, 753 AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK, 754 AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), 755 AXP_DESC_IO(AXP803, LDO_IO1, "ldo-io1", "ips", 700, 3300, 100, 756 AXP22X_LDO_IO1_V_OUT, AXP22X_LDO_IO1_V_OUT_MASK, 757 AXP20X_GPIO1_CTRL, AXP20X_GPIO1_FUNC_MASK, 758 AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), 759 AXP_DESC_FIXED(AXP803, RTC_LDO, "rtc-ldo", "ips", 3000), 760 }; 761 762 static const struct linear_range axp806_dcdca_ranges[] = { 763 REGULATOR_LINEAR_RANGE(600000, 764 AXP806_DCDCA_600mV_START, 765 AXP806_DCDCA_600mV_END, 766 10000), 767 REGULATOR_LINEAR_RANGE(1120000, 768 AXP806_DCDCA_1120mV_START, 769 AXP806_DCDCA_1120mV_END, 770 20000), 771 }; 772 773 static const struct linear_range axp806_dcdcd_ranges[] = { 774 REGULATOR_LINEAR_RANGE(600000, 775 AXP806_DCDCD_600mV_START, 776 AXP806_DCDCD_600mV_END, 777 20000), 778 REGULATOR_LINEAR_RANGE(1600000, 779 AXP806_DCDCD_1600mV_START, 780 AXP806_DCDCD_1600mV_END, 781 100000), 782 }; 783 784 static const struct regulator_desc axp806_regulators[] = { 785 AXP_DESC_RANGES(AXP806, DCDCA, "dcdca", "vina", 786 axp806_dcdca_ranges, AXP806_DCDCA_NUM_VOLTAGES, 787 AXP806_DCDCA_V_CTRL, AXP806_DCDCA_V_CTRL_MASK, 788 AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCA_MASK), 789 AXP_DESC(AXP806, DCDCB, "dcdcb", "vinb", 1000, 2550, 50, 790 AXP806_DCDCB_V_CTRL, AXP806_DCDCB_V_CTRL_MASK, 791 AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCB_MASK), 792 AXP_DESC_RANGES(AXP806, DCDCC, "dcdcc", "vinc", 793 axp806_dcdca_ranges, AXP806_DCDCA_NUM_VOLTAGES, 794 AXP806_DCDCC_V_CTRL, AXP806_DCDCC_V_CTRL_MASK, 795 AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCC_MASK), 796 AXP_DESC_RANGES(AXP806, DCDCD, "dcdcd", "vind", 797 axp806_dcdcd_ranges, AXP806_DCDCD_NUM_VOLTAGES, 798 AXP806_DCDCD_V_CTRL, AXP806_DCDCD_V_CTRL_MASK, 799 AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCD_MASK), 800 AXP_DESC(AXP806, DCDCE, "dcdce", "vine", 1100, 3400, 100, 801 AXP806_DCDCE_V_CTRL, AXP806_DCDCE_V_CTRL_MASK, 802 AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCE_MASK), 803 AXP_DESC(AXP806, ALDO1, "aldo1", "aldoin", 700, 3300, 100, 804 AXP806_ALDO1_V_CTRL, AXP806_ALDO1_V_CTRL_MASK, 805 AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_ALDO1_MASK), 806 AXP_DESC(AXP806, ALDO2, "aldo2", "aldoin", 700, 3400, 100, 807 AXP806_ALDO2_V_CTRL, AXP806_ALDO2_V_CTRL_MASK, 808 AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_ALDO2_MASK), 809 AXP_DESC(AXP806, ALDO3, "aldo3", "aldoin", 700, 3300, 100, 810 AXP806_ALDO3_V_CTRL, AXP806_ALDO3_V_CTRL_MASK, 811 AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_ALDO3_MASK), 812 AXP_DESC(AXP806, BLDO1, "bldo1", "bldoin", 700, 1900, 100, 813 AXP806_BLDO1_V_CTRL, AXP806_BLDO1_V_CTRL_MASK, 814 AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_BLDO1_MASK), 815 AXP_DESC(AXP806, BLDO2, "bldo2", "bldoin", 700, 1900, 100, 816 AXP806_BLDO2_V_CTRL, AXP806_BLDO2_V_CTRL_MASK, 817 AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_BLDO2_MASK), 818 AXP_DESC(AXP806, BLDO3, "bldo3", "bldoin", 700, 1900, 100, 819 AXP806_BLDO3_V_CTRL, AXP806_BLDO3_V_CTRL_MASK, 820 AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_BLDO3_MASK), 821 AXP_DESC(AXP806, BLDO4, "bldo4", "bldoin", 700, 1900, 100, 822 AXP806_BLDO4_V_CTRL, AXP806_BLDO4_V_CTRL_MASK, 823 AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_BLDO4_MASK), 824 AXP_DESC(AXP806, CLDO1, "cldo1", "cldoin", 700, 3300, 100, 825 AXP806_CLDO1_V_CTRL, AXP806_CLDO1_V_CTRL_MASK, 826 AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_CLDO1_MASK), 827 AXP_DESC_RANGES(AXP806, CLDO2, "cldo2", "cldoin", 828 axp803_dldo2_ranges, AXP803_DLDO2_NUM_VOLTAGES, 829 AXP806_CLDO2_V_CTRL, AXP806_CLDO2_V_CTRL_MASK, 830 AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_CLDO2_MASK), 831 AXP_DESC(AXP806, CLDO3, "cldo3", "cldoin", 700, 3300, 100, 832 AXP806_CLDO3_V_CTRL, AXP806_CLDO3_V_CTRL_MASK, 833 AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_CLDO3_MASK), 834 AXP_DESC_SW(AXP806, SW, "sw", "swin", 835 AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_SW_MASK), 836 }; 837 838 static const struct linear_range axp809_dcdc4_ranges[] = { 839 REGULATOR_LINEAR_RANGE(600000, 840 AXP809_DCDC4_600mV_START, 841 AXP809_DCDC4_600mV_END, 842 20000), 843 REGULATOR_LINEAR_RANGE(1800000, 844 AXP809_DCDC4_1800mV_START, 845 AXP809_DCDC4_1800mV_END, 846 100000), 847 }; 848 849 static const struct regulator_desc axp809_regulators[] = { 850 AXP_DESC(AXP809, DCDC1, "dcdc1", "vin1", 1600, 3400, 100, 851 AXP22X_DCDC1_V_OUT, AXP22X_DCDC1_V_OUT_MASK, 852 AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC1_MASK), 853 AXP_DESC(AXP809, DCDC2, "dcdc2", "vin2", 600, 1540, 20, 854 AXP22X_DCDC2_V_OUT, AXP22X_DCDC2_V_OUT_MASK, 855 AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC2_MASK), 856 AXP_DESC(AXP809, DCDC3, "dcdc3", "vin3", 600, 1860, 20, 857 AXP22X_DCDC3_V_OUT, AXP22X_DCDC3_V_OUT_MASK, 858 AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC3_MASK), 859 AXP_DESC_RANGES(AXP809, DCDC4, "dcdc4", "vin4", 860 axp809_dcdc4_ranges, AXP809_DCDC4_NUM_VOLTAGES, 861 AXP22X_DCDC4_V_OUT, AXP22X_DCDC4_V_OUT_MASK, 862 AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC4_MASK), 863 AXP_DESC(AXP809, DCDC5, "dcdc5", "vin5", 1000, 2550, 50, 864 AXP22X_DCDC5_V_OUT, AXP22X_DCDC5_V_OUT_MASK, 865 AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC5_MASK), 866 /* secondary switchable output of DCDC1 */ 867 AXP_DESC_SW(AXP809, DC1SW, "dc1sw", NULL, 868 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK), 869 /* LDO regulator internally chained to DCDC5 */ 870 AXP_DESC(AXP809, DC5LDO, "dc5ldo", NULL, 700, 1400, 100, 871 AXP22X_DC5LDO_V_OUT, AXP22X_DC5LDO_V_OUT_MASK, 872 AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DC5LDO_MASK), 873 AXP_DESC(AXP809, ALDO1, "aldo1", "aldoin", 700, 3300, 100, 874 AXP22X_ALDO1_V_OUT, AXP22X_ALDO1_V_OUT_MASK, 875 AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_ALDO1_MASK), 876 AXP_DESC(AXP809, ALDO2, "aldo2", "aldoin", 700, 3300, 100, 877 AXP22X_ALDO2_V_OUT, AXP22X_ALDO2_V_OUT_MASK, 878 AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_ALDO2_MASK), 879 AXP_DESC(AXP809, ALDO3, "aldo3", "aldoin", 700, 3300, 100, 880 AXP22X_ALDO3_V_OUT, AXP22X_ALDO3_V_OUT_MASK, 881 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ALDO3_MASK), 882 AXP_DESC_RANGES(AXP809, DLDO1, "dldo1", "dldoin", 883 axp803_dldo2_ranges, AXP803_DLDO2_NUM_VOLTAGES, 884 AXP22X_DLDO1_V_OUT, AXP22X_DLDO1_V_OUT_MASK, 885 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO1_MASK), 886 AXP_DESC(AXP809, DLDO2, "dldo2", "dldoin", 700, 3300, 100, 887 AXP22X_DLDO2_V_OUT, AXP22X_DLDO2_V_OUT_MASK, 888 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO2_MASK), 889 AXP_DESC(AXP809, ELDO1, "eldo1", "eldoin", 700, 3300, 100, 890 AXP22X_ELDO1_V_OUT, AXP22X_ELDO1_V_OUT_MASK, 891 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO1_MASK), 892 AXP_DESC(AXP809, ELDO2, "eldo2", "eldoin", 700, 3300, 100, 893 AXP22X_ELDO2_V_OUT, AXP22X_ELDO2_V_OUT_MASK, 894 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO2_MASK), 895 AXP_DESC(AXP809, ELDO3, "eldo3", "eldoin", 700, 3300, 100, 896 AXP22X_ELDO3_V_OUT, AXP22X_ELDO3_V_OUT_MASK, 897 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO3_MASK), 898 /* 899 * Note the datasheet only guarantees reliable operation up to 900 * 3.3V, this needs to be enforced via dts provided constraints 901 */ 902 AXP_DESC_IO(AXP809, LDO_IO0, "ldo_io0", "ips", 700, 3800, 100, 903 AXP22X_LDO_IO0_V_OUT, AXP22X_LDO_IO0_V_OUT_MASK, 904 AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK, 905 AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), 906 /* 907 * Note the datasheet only guarantees reliable operation up to 908 * 3.3V, this needs to be enforced via dts provided constraints 909 */ 910 AXP_DESC_IO(AXP809, LDO_IO1, "ldo_io1", "ips", 700, 3800, 100, 911 AXP22X_LDO_IO1_V_OUT, AXP22X_LDO_IO1_V_OUT_MASK, 912 AXP20X_GPIO1_CTRL, AXP20X_GPIO1_FUNC_MASK, 913 AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), 914 AXP_DESC_FIXED(AXP809, RTC_LDO, "rtc_ldo", "ips", 1800), 915 AXP_DESC_SW(AXP809, SW, "sw", "swin", 916 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_SW_MASK), 917 }; 918 919 static const struct regulator_desc axp813_regulators[] = { 920 AXP_DESC(AXP813, DCDC1, "dcdc1", "vin1", 1600, 3400, 100, 921 AXP803_DCDC1_V_OUT, AXP803_DCDC1_V_OUT_MASK, 922 AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC1_MASK), 923 AXP_DESC_RANGES(AXP813, DCDC2, "dcdc2", "vin2", 924 axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES, 925 AXP803_DCDC2_V_OUT, AXP803_DCDC2_V_OUT_MASK, 926 AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC2_MASK), 927 AXP_DESC_RANGES(AXP813, DCDC3, "dcdc3", "vin3", 928 axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES, 929 AXP803_DCDC3_V_OUT, AXP803_DCDC3_V_OUT_MASK, 930 AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC3_MASK), 931 AXP_DESC_RANGES(AXP813, DCDC4, "dcdc4", "vin4", 932 axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES, 933 AXP803_DCDC4_V_OUT, AXP803_DCDC4_V_OUT_MASK, 934 AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC4_MASK), 935 AXP_DESC_RANGES(AXP813, DCDC5, "dcdc5", "vin5", 936 axp803_dcdc5_ranges, AXP803_DCDC5_NUM_VOLTAGES, 937 AXP803_DCDC5_V_OUT, AXP803_DCDC5_V_OUT_MASK, 938 AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC5_MASK), 939 AXP_DESC_RANGES(AXP813, DCDC6, "dcdc6", "vin6", 940 axp803_dcdc6_ranges, AXP803_DCDC6_NUM_VOLTAGES, 941 AXP803_DCDC6_V_OUT, AXP803_DCDC6_V_OUT_MASK, 942 AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC6_MASK), 943 AXP_DESC_RANGES(AXP813, DCDC7, "dcdc7", "vin7", 944 axp803_dcdc6_ranges, AXP803_DCDC6_NUM_VOLTAGES, 945 AXP813_DCDC7_V_OUT, AXP813_DCDC7_V_OUT_MASK, 946 AXP22X_PWR_OUT_CTRL1, AXP813_PWR_OUT_DCDC7_MASK), 947 AXP_DESC(AXP813, ALDO1, "aldo1", "aldoin", 700, 3300, 100, 948 AXP22X_ALDO1_V_OUT, AXP22X_ALDO1_V_OUT_MASK, 949 AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO1_MASK), 950 AXP_DESC(AXP813, ALDO2, "aldo2", "aldoin", 700, 3300, 100, 951 AXP22X_ALDO2_V_OUT, AXP22X_ALDO2_V_OUT_MASK, 952 AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO2_MASK), 953 AXP_DESC(AXP813, ALDO3, "aldo3", "aldoin", 700, 3300, 100, 954 AXP22X_ALDO3_V_OUT, AXP22X_ALDO3_V_OUT_MASK, 955 AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO3_MASK), 956 AXP_DESC(AXP813, DLDO1, "dldo1", "dldoin", 700, 3300, 100, 957 AXP22X_DLDO1_V_OUT, AXP22X_DLDO1_V_OUT_MASK, 958 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO1_MASK), 959 AXP_DESC_RANGES(AXP813, DLDO2, "dldo2", "dldoin", 960 axp803_dldo2_ranges, AXP803_DLDO2_NUM_VOLTAGES, 961 AXP22X_DLDO2_V_OUT, AXP22X_DLDO2_V_OUT_MASK, 962 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO2_MASK), 963 AXP_DESC(AXP813, DLDO3, "dldo3", "dldoin", 700, 3300, 100, 964 AXP22X_DLDO3_V_OUT, AXP22X_DLDO3_V_OUT_MASK, 965 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO3_MASK), 966 AXP_DESC(AXP813, DLDO4, "dldo4", "dldoin", 700, 3300, 100, 967 AXP22X_DLDO4_V_OUT, AXP22X_DLDO4_V_OUT_MASK, 968 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO4_MASK), 969 AXP_DESC(AXP813, ELDO1, "eldo1", "eldoin", 700, 1900, 50, 970 AXP22X_ELDO1_V_OUT, AXP22X_ELDO1_V_OUT_MASK, 971 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO1_MASK), 972 AXP_DESC(AXP813, ELDO2, "eldo2", "eldoin", 700, 1900, 50, 973 AXP22X_ELDO2_V_OUT, AXP22X_ELDO2_V_OUT_MASK, 974 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO2_MASK), 975 AXP_DESC(AXP813, ELDO3, "eldo3", "eldoin", 700, 1900, 50, 976 AXP22X_ELDO3_V_OUT, AXP22X_ELDO3_V_OUT_MASK, 977 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO3_MASK), 978 /* to do / check ... */ 979 AXP_DESC(AXP813, FLDO1, "fldo1", "fldoin", 700, 1450, 50, 980 AXP803_FLDO1_V_OUT, AXP803_FLDO1_V_OUT_MASK, 981 AXP22X_PWR_OUT_CTRL3, AXP803_PWR_OUT_FLDO1_MASK), 982 AXP_DESC(AXP813, FLDO2, "fldo2", "fldoin", 700, 1450, 50, 983 AXP803_FLDO2_V_OUT, AXP803_FLDO2_V_OUT_MASK, 984 AXP22X_PWR_OUT_CTRL3, AXP803_PWR_OUT_FLDO2_MASK), 985 /* 986 * TODO: FLDO3 = {DCDC5, FLDOIN} / 2 987 * 988 * This means FLDO3 effectively switches supplies at runtime, 989 * something the regulator subsystem does not support. 990 */ 991 AXP_DESC_FIXED(AXP813, RTC_LDO, "rtc-ldo", "ips", 1800), 992 AXP_DESC_IO(AXP813, LDO_IO0, "ldo-io0", "ips", 700, 3300, 100, 993 AXP22X_LDO_IO0_V_OUT, AXP22X_LDO_IO0_V_OUT_MASK, 994 AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK, 995 AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), 996 AXP_DESC_IO(AXP813, LDO_IO1, "ldo-io1", "ips", 700, 3300, 100, 997 AXP22X_LDO_IO1_V_OUT, AXP22X_LDO_IO1_V_OUT_MASK, 998 AXP20X_GPIO1_CTRL, AXP20X_GPIO1_FUNC_MASK, 999 AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), 1000 AXP_DESC_SW(AXP813, SW, "sw", "swin", 1001 AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK), 1002 }; 1003 1004 static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq) 1005 { 1006 struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent); 1007 unsigned int reg = AXP20X_DCDC_FREQ; 1008 u32 min, max, def, step; 1009 1010 switch (axp20x->variant) { 1011 case AXP202_ID: 1012 case AXP209_ID: 1013 min = 750; 1014 max = 1875; 1015 def = 1500; 1016 step = 75; 1017 break; 1018 case AXP803_ID: 1019 case AXP813_ID: 1020 /* 1021 * AXP803/AXP813 DCDC work frequency setting has the same 1022 * range and step as AXP22X, but at a different register. 1023 * (See include/linux/mfd/axp20x.h) 1024 */ 1025 reg = AXP803_DCDC_FREQ_CTRL; 1026 fallthrough; /* to the check below */ 1027 case AXP806_ID: 1028 /* 1029 * AXP806 also have DCDC work frequency setting register at a 1030 * different position. 1031 */ 1032 if (axp20x->variant == AXP806_ID) 1033 reg = AXP806_DCDC_FREQ_CTRL; 1034 fallthrough; 1035 case AXP221_ID: 1036 case AXP223_ID: 1037 case AXP809_ID: 1038 min = 1800; 1039 max = 4050; 1040 def = 3000; 1041 step = 150; 1042 break; 1043 default: 1044 dev_err(&pdev->dev, 1045 "Setting DCDC frequency for unsupported AXP variant\n"); 1046 return -EINVAL; 1047 } 1048 1049 if (dcdcfreq == 0) 1050 dcdcfreq = def; 1051 1052 if (dcdcfreq < min) { 1053 dcdcfreq = min; 1054 dev_warn(&pdev->dev, "DCDC frequency too low. Set to %ukHz\n", 1055 min); 1056 } 1057 1058 if (dcdcfreq > max) { 1059 dcdcfreq = max; 1060 dev_warn(&pdev->dev, "DCDC frequency too high. Set to %ukHz\n", 1061 max); 1062 } 1063 1064 dcdcfreq = (dcdcfreq - min) / step; 1065 1066 return regmap_update_bits(axp20x->regmap, reg, 1067 AXP20X_FREQ_DCDC_MASK, dcdcfreq); 1068 } 1069 1070 static int axp20x_regulator_parse_dt(struct platform_device *pdev) 1071 { 1072 struct device_node *np, *regulators; 1073 int ret; 1074 u32 dcdcfreq = 0; 1075 1076 np = of_node_get(pdev->dev.parent->of_node); 1077 if (!np) 1078 return 0; 1079 1080 regulators = of_get_child_by_name(np, "regulators"); 1081 if (!regulators) { 1082 dev_warn(&pdev->dev, "regulators node not found\n"); 1083 } else { 1084 of_property_read_u32(regulators, "x-powers,dcdc-freq", &dcdcfreq); 1085 ret = axp20x_set_dcdc_freq(pdev, dcdcfreq); 1086 if (ret < 0) { 1087 dev_err(&pdev->dev, "Error setting dcdc frequency: %d\n", ret); 1088 return ret; 1089 } 1090 1091 of_node_put(regulators); 1092 } 1093 1094 return 0; 1095 } 1096 1097 static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 workmode) 1098 { 1099 struct axp20x_dev *axp20x = rdev_get_drvdata(rdev); 1100 unsigned int reg = AXP20X_DCDC_MODE; 1101 unsigned int mask; 1102 1103 switch (axp20x->variant) { 1104 case AXP202_ID: 1105 case AXP209_ID: 1106 if ((id != AXP20X_DCDC2) && (id != AXP20X_DCDC3)) 1107 return -EINVAL; 1108 1109 mask = AXP20X_WORKMODE_DCDC2_MASK; 1110 if (id == AXP20X_DCDC3) 1111 mask = AXP20X_WORKMODE_DCDC3_MASK; 1112 1113 workmode <<= ffs(mask) - 1; 1114 break; 1115 1116 case AXP806_ID: 1117 /* 1118 * AXP806 DCDC regulator IDs have the same range as AXP22X. 1119 * (See include/linux/mfd/axp20x.h) 1120 */ 1121 reg = AXP806_DCDC_MODE_CTRL2; 1122 fallthrough; /* to the check below */ 1123 case AXP221_ID: 1124 case AXP223_ID: 1125 case AXP809_ID: 1126 if (id < AXP22X_DCDC1 || id > AXP22X_DCDC5) 1127 return -EINVAL; 1128 1129 mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP22X_DCDC1); 1130 workmode <<= id - AXP22X_DCDC1; 1131 break; 1132 1133 case AXP803_ID: 1134 if (id < AXP803_DCDC1 || id > AXP803_DCDC6) 1135 return -EINVAL; 1136 1137 mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP803_DCDC1); 1138 workmode <<= id - AXP803_DCDC1; 1139 break; 1140 1141 case AXP813_ID: 1142 if (id < AXP813_DCDC1 || id > AXP813_DCDC7) 1143 return -EINVAL; 1144 1145 mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP813_DCDC1); 1146 workmode <<= id - AXP813_DCDC1; 1147 break; 1148 1149 default: 1150 /* should not happen */ 1151 WARN_ON(1); 1152 return -EINVAL; 1153 } 1154 1155 return regmap_update_bits(rdev->regmap, reg, mask, workmode); 1156 } 1157 1158 /* 1159 * This function checks whether a regulator is part of a poly-phase 1160 * output setup based on the registers settings. Returns true if it is. 1161 */ 1162 static bool axp20x_is_polyphase_slave(struct axp20x_dev *axp20x, int id) 1163 { 1164 u32 reg = 0; 1165 1166 /* 1167 * Currently in our supported AXP variants, only AXP803, AXP806, 1168 * and AXP813 have polyphase regulators. 1169 */ 1170 switch (axp20x->variant) { 1171 case AXP803_ID: 1172 case AXP813_ID: 1173 regmap_read(axp20x->regmap, AXP803_POLYPHASE_CTRL, ®); 1174 1175 switch (id) { 1176 case AXP803_DCDC3: 1177 return !!(reg & AXP803_DCDC23_POLYPHASE_DUAL); 1178 case AXP803_DCDC6: 1179 return !!(reg & AXP803_DCDC56_POLYPHASE_DUAL); 1180 } 1181 break; 1182 1183 case AXP806_ID: 1184 regmap_read(axp20x->regmap, AXP806_DCDC_MODE_CTRL2, ®); 1185 1186 switch (id) { 1187 case AXP806_DCDCB: 1188 return (((reg & AXP806_DCDCABC_POLYPHASE_MASK) == 1189 AXP806_DCDCAB_POLYPHASE_DUAL) || 1190 ((reg & AXP806_DCDCABC_POLYPHASE_MASK) == 1191 AXP806_DCDCABC_POLYPHASE_TRI)); 1192 case AXP806_DCDCC: 1193 return ((reg & AXP806_DCDCABC_POLYPHASE_MASK) == 1194 AXP806_DCDCABC_POLYPHASE_TRI); 1195 case AXP806_DCDCE: 1196 return !!(reg & AXP806_DCDCDE_POLYPHASE_DUAL); 1197 } 1198 break; 1199 1200 default: 1201 return false; 1202 } 1203 1204 return false; 1205 } 1206 1207 static int axp20x_regulator_probe(struct platform_device *pdev) 1208 { 1209 struct regulator_dev *rdev; 1210 struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent); 1211 const struct regulator_desc *regulators; 1212 struct regulator_config config = { 1213 .dev = pdev->dev.parent, 1214 .regmap = axp20x->regmap, 1215 .driver_data = axp20x, 1216 }; 1217 int ret, i, nregulators; 1218 u32 workmode; 1219 const char *dcdc1_name = axp22x_regulators[AXP22X_DCDC1].name; 1220 const char *dcdc5_name = axp22x_regulators[AXP22X_DCDC5].name; 1221 bool drivevbus = false; 1222 1223 switch (axp20x->variant) { 1224 case AXP202_ID: 1225 case AXP209_ID: 1226 regulators = axp20x_regulators; 1227 nregulators = AXP20X_REG_ID_MAX; 1228 break; 1229 case AXP221_ID: 1230 case AXP223_ID: 1231 regulators = axp22x_regulators; 1232 nregulators = AXP22X_REG_ID_MAX; 1233 drivevbus = of_property_read_bool(pdev->dev.parent->of_node, 1234 "x-powers,drive-vbus-en"); 1235 break; 1236 case AXP803_ID: 1237 regulators = axp803_regulators; 1238 nregulators = AXP803_REG_ID_MAX; 1239 drivevbus = of_property_read_bool(pdev->dev.parent->of_node, 1240 "x-powers,drive-vbus-en"); 1241 break; 1242 case AXP806_ID: 1243 regulators = axp806_regulators; 1244 nregulators = AXP806_REG_ID_MAX; 1245 break; 1246 case AXP809_ID: 1247 regulators = axp809_regulators; 1248 nregulators = AXP809_REG_ID_MAX; 1249 break; 1250 case AXP813_ID: 1251 regulators = axp813_regulators; 1252 nregulators = AXP813_REG_ID_MAX; 1253 drivevbus = of_property_read_bool(pdev->dev.parent->of_node, 1254 "x-powers,drive-vbus-en"); 1255 break; 1256 default: 1257 dev_err(&pdev->dev, "Unsupported AXP variant: %ld\n", 1258 axp20x->variant); 1259 return -EINVAL; 1260 } 1261 1262 /* This only sets the dcdc freq. Ignore any errors */ 1263 axp20x_regulator_parse_dt(pdev); 1264 1265 for (i = 0; i < nregulators; i++) { 1266 const struct regulator_desc *desc = ®ulators[i]; 1267 struct regulator_desc *new_desc; 1268 1269 /* 1270 * If this regulator is a slave in a poly-phase setup, 1271 * skip it, as its controls are bound to the master 1272 * regulator and won't work. 1273 */ 1274 if (axp20x_is_polyphase_slave(axp20x, i)) 1275 continue; 1276 1277 /* Support for AXP813's FLDO3 is not implemented */ 1278 if (axp20x->variant == AXP813_ID && i == AXP813_FLDO3) 1279 continue; 1280 1281 /* 1282 * Regulators DC1SW and DC5LDO are connected internally, 1283 * so we have to handle their supply names separately. 1284 * 1285 * We always register the regulators in proper sequence, 1286 * so the supply names are correctly read. See the last 1287 * part of this loop to see where we save the DT defined 1288 * name. 1289 */ 1290 if ((regulators == axp22x_regulators && i == AXP22X_DC1SW) || 1291 (regulators == axp803_regulators && i == AXP803_DC1SW) || 1292 (regulators == axp809_regulators && i == AXP809_DC1SW)) { 1293 new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc), 1294 GFP_KERNEL); 1295 if (!new_desc) 1296 return -ENOMEM; 1297 1298 *new_desc = regulators[i]; 1299 new_desc->supply_name = dcdc1_name; 1300 desc = new_desc; 1301 } 1302 1303 if ((regulators == axp22x_regulators && i == AXP22X_DC5LDO) || 1304 (regulators == axp809_regulators && i == AXP809_DC5LDO)) { 1305 new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc), 1306 GFP_KERNEL); 1307 if (!new_desc) 1308 return -ENOMEM; 1309 1310 *new_desc = regulators[i]; 1311 new_desc->supply_name = dcdc5_name; 1312 desc = new_desc; 1313 } 1314 1315 rdev = devm_regulator_register(&pdev->dev, desc, &config); 1316 if (IS_ERR(rdev)) { 1317 dev_err(&pdev->dev, "Failed to register %s\n", 1318 regulators[i].name); 1319 1320 return PTR_ERR(rdev); 1321 } 1322 1323 ret = of_property_read_u32(rdev->dev.of_node, 1324 "x-powers,dcdc-workmode", 1325 &workmode); 1326 if (!ret) { 1327 if (axp20x_set_dcdc_workmode(rdev, i, workmode)) 1328 dev_err(&pdev->dev, "Failed to set workmode on %s\n", 1329 rdev->desc->name); 1330 } 1331 1332 /* 1333 * Save AXP22X DCDC1 / DCDC5 regulator names for later. 1334 */ 1335 if ((regulators == axp22x_regulators && i == AXP22X_DCDC1) || 1336 (regulators == axp809_regulators && i == AXP809_DCDC1)) 1337 of_property_read_string(rdev->dev.of_node, 1338 "regulator-name", 1339 &dcdc1_name); 1340 1341 if ((regulators == axp22x_regulators && i == AXP22X_DCDC5) || 1342 (regulators == axp809_regulators && i == AXP809_DCDC5)) 1343 of_property_read_string(rdev->dev.of_node, 1344 "regulator-name", 1345 &dcdc5_name); 1346 } 1347 1348 if (drivevbus) { 1349 /* Change N_VBUSEN sense pin to DRIVEVBUS output pin */ 1350 regmap_update_bits(axp20x->regmap, AXP20X_OVER_TMP, 1351 AXP22X_MISC_N_VBUSEN_FUNC, 0); 1352 rdev = devm_regulator_register(&pdev->dev, 1353 &axp22x_drivevbus_regulator, 1354 &config); 1355 if (IS_ERR(rdev)) { 1356 dev_err(&pdev->dev, "Failed to register drivevbus\n"); 1357 return PTR_ERR(rdev); 1358 } 1359 } 1360 1361 return 0; 1362 } 1363 1364 static struct platform_driver axp20x_regulator_driver = { 1365 .probe = axp20x_regulator_probe, 1366 .driver = { 1367 .name = "axp20x-regulator", 1368 }, 1369 }; 1370 1371 module_platform_driver(axp20x_regulator_driver); 1372 1373 MODULE_LICENSE("GPL v2"); 1374 MODULE_AUTHOR("Carlo Caione <carlo@caione.org>"); 1375 MODULE_DESCRIPTION("Regulator Driver for AXP20X PMIC"); 1376 MODULE_ALIAS("platform:axp20x-regulator"); 1377