1 /* 2 * Copyright (c) 2015, Sony Mobile Communications AB. 3 * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 and 7 * only version 2 as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 */ 14 15 #include <linux/module.h> 16 #include <linux/of.h> 17 #include <linux/of_device.h> 18 #include <linux/platform_device.h> 19 #include <linux/regulator/driver.h> 20 #include <linux/regulator/machine.h> 21 #include <linux/regulator/of_regulator.h> 22 #include <linux/soc/qcom/smd-rpm.h> 23 24 struct qcom_rpm_reg { 25 struct device *dev; 26 27 struct qcom_smd_rpm *rpm; 28 29 u32 type; 30 u32 id; 31 32 struct regulator_desc desc; 33 34 int is_enabled; 35 int uV; 36 }; 37 38 struct rpm_regulator_req { 39 __le32 key; 40 __le32 nbytes; 41 __le32 value; 42 }; 43 44 #define RPM_KEY_SWEN 0x6e657773 /* "swen" */ 45 #define RPM_KEY_UV 0x00007675 /* "uv" */ 46 #define RPM_KEY_MA 0x0000616d /* "ma" */ 47 48 static int rpm_reg_write_active(struct qcom_rpm_reg *vreg, 49 struct rpm_regulator_req *req, 50 size_t size) 51 { 52 return qcom_rpm_smd_write(vreg->rpm, 53 QCOM_SMD_RPM_ACTIVE_STATE, 54 vreg->type, 55 vreg->id, 56 req, size); 57 } 58 59 static int rpm_reg_enable(struct regulator_dev *rdev) 60 { 61 struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev); 62 struct rpm_regulator_req req; 63 int ret; 64 65 req.key = cpu_to_le32(RPM_KEY_SWEN); 66 req.nbytes = cpu_to_le32(sizeof(u32)); 67 req.value = cpu_to_le32(1); 68 69 ret = rpm_reg_write_active(vreg, &req, sizeof(req)); 70 if (!ret) 71 vreg->is_enabled = 1; 72 73 return ret; 74 } 75 76 static int rpm_reg_is_enabled(struct regulator_dev *rdev) 77 { 78 struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev); 79 80 return vreg->is_enabled; 81 } 82 83 static int rpm_reg_disable(struct regulator_dev *rdev) 84 { 85 struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev); 86 struct rpm_regulator_req req; 87 int ret; 88 89 req.key = cpu_to_le32(RPM_KEY_SWEN); 90 req.nbytes = cpu_to_le32(sizeof(u32)); 91 req.value = 0; 92 93 ret = rpm_reg_write_active(vreg, &req, sizeof(req)); 94 if (!ret) 95 vreg->is_enabled = 0; 96 97 return ret; 98 } 99 100 static int rpm_reg_get_voltage(struct regulator_dev *rdev) 101 { 102 struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev); 103 104 return vreg->uV; 105 } 106 107 static int rpm_reg_set_voltage(struct regulator_dev *rdev, 108 int min_uV, 109 int max_uV, 110 unsigned *selector) 111 { 112 struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev); 113 struct rpm_regulator_req req; 114 int ret = 0; 115 116 req.key = cpu_to_le32(RPM_KEY_UV); 117 req.nbytes = cpu_to_le32(sizeof(u32)); 118 req.value = cpu_to_le32(min_uV); 119 120 ret = rpm_reg_write_active(vreg, &req, sizeof(req)); 121 if (!ret) 122 vreg->uV = min_uV; 123 124 return ret; 125 } 126 127 static int rpm_reg_set_load(struct regulator_dev *rdev, int load_uA) 128 { 129 struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev); 130 struct rpm_regulator_req req; 131 132 req.key = cpu_to_le32(RPM_KEY_MA); 133 req.nbytes = cpu_to_le32(sizeof(u32)); 134 req.value = cpu_to_le32(load_uA / 1000); 135 136 return rpm_reg_write_active(vreg, &req, sizeof(req)); 137 } 138 139 static const struct regulator_ops rpm_smps_ldo_ops = { 140 .enable = rpm_reg_enable, 141 .disable = rpm_reg_disable, 142 .is_enabled = rpm_reg_is_enabled, 143 .list_voltage = regulator_list_voltage_linear_range, 144 145 .get_voltage = rpm_reg_get_voltage, 146 .set_voltage = rpm_reg_set_voltage, 147 148 .set_load = rpm_reg_set_load, 149 }; 150 151 static const struct regulator_ops rpm_smps_ldo_ops_fixed = { 152 .enable = rpm_reg_enable, 153 .disable = rpm_reg_disable, 154 .is_enabled = rpm_reg_is_enabled, 155 .list_voltage = regulator_list_voltage_linear_range, 156 157 .get_voltage = rpm_reg_get_voltage, 158 .set_voltage = rpm_reg_set_voltage, 159 160 .set_load = rpm_reg_set_load, 161 }; 162 163 static const struct regulator_ops rpm_switch_ops = { 164 .enable = rpm_reg_enable, 165 .disable = rpm_reg_disable, 166 .is_enabled = rpm_reg_is_enabled, 167 }; 168 169 static const struct regulator_desc pma8084_hfsmps = { 170 .linear_ranges = (struct regulator_linear_range[]) { 171 REGULATOR_LINEAR_RANGE(375000, 0, 95, 12500), 172 REGULATOR_LINEAR_RANGE(1550000, 96, 158, 25000), 173 }, 174 .n_linear_ranges = 2, 175 .n_voltages = 159, 176 .ops = &rpm_smps_ldo_ops, 177 }; 178 179 static const struct regulator_desc pma8084_ftsmps = { 180 .linear_ranges = (struct regulator_linear_range[]) { 181 REGULATOR_LINEAR_RANGE(350000, 0, 184, 5000), 182 REGULATOR_LINEAR_RANGE(700000, 185, 339, 10000), 183 }, 184 .n_linear_ranges = 2, 185 .n_voltages = 340, 186 .ops = &rpm_smps_ldo_ops, 187 }; 188 189 static const struct regulator_desc pma8084_pldo = { 190 .linear_ranges = (struct regulator_linear_range[]) { 191 REGULATOR_LINEAR_RANGE(750000, 0, 30, 25000), 192 REGULATOR_LINEAR_RANGE(1500000, 31, 99, 50000), 193 }, 194 .n_linear_ranges = 2, 195 .n_voltages = 100, 196 .ops = &rpm_smps_ldo_ops, 197 }; 198 199 static const struct regulator_desc pma8084_nldo = { 200 .linear_ranges = (struct regulator_linear_range[]) { 201 REGULATOR_LINEAR_RANGE(750000, 0, 63, 12500), 202 }, 203 .n_linear_ranges = 1, 204 .n_voltages = 64, 205 .ops = &rpm_smps_ldo_ops, 206 }; 207 208 static const struct regulator_desc pma8084_switch = { 209 .ops = &rpm_switch_ops, 210 }; 211 212 static const struct regulator_desc pm8x41_hfsmps = { 213 .linear_ranges = (struct regulator_linear_range[]) { 214 REGULATOR_LINEAR_RANGE( 375000, 0, 95, 12500), 215 REGULATOR_LINEAR_RANGE(1550000, 96, 158, 25000), 216 }, 217 .n_linear_ranges = 2, 218 .n_voltages = 159, 219 .ops = &rpm_smps_ldo_ops, 220 }; 221 222 static const struct regulator_desc pm8841_ftsmps = { 223 .linear_ranges = (struct regulator_linear_range[]) { 224 REGULATOR_LINEAR_RANGE(350000, 0, 184, 5000), 225 REGULATOR_LINEAR_RANGE(700000, 185, 339, 10000), 226 }, 227 .n_linear_ranges = 2, 228 .n_voltages = 340, 229 .ops = &rpm_smps_ldo_ops, 230 }; 231 232 static const struct regulator_desc pm8941_boost = { 233 .linear_ranges = (struct regulator_linear_range[]) { 234 REGULATOR_LINEAR_RANGE(4000000, 0, 15, 100000), 235 }, 236 .n_linear_ranges = 1, 237 .n_voltages = 16, 238 .ops = &rpm_smps_ldo_ops, 239 }; 240 241 static const struct regulator_desc pm8941_pldo = { 242 .linear_ranges = (struct regulator_linear_range[]) { 243 REGULATOR_LINEAR_RANGE( 750000, 0, 30, 25000), 244 REGULATOR_LINEAR_RANGE(1500000, 31, 99, 50000), 245 }, 246 .n_linear_ranges = 2, 247 .n_voltages = 100, 248 .ops = &rpm_smps_ldo_ops, 249 }; 250 251 static const struct regulator_desc pm8941_nldo = { 252 .linear_ranges = (struct regulator_linear_range[]) { 253 REGULATOR_LINEAR_RANGE(750000, 0, 63, 12500), 254 }, 255 .n_linear_ranges = 1, 256 .n_voltages = 64, 257 .ops = &rpm_smps_ldo_ops, 258 }; 259 260 static const struct regulator_desc pm8941_lnldo = { 261 .fixed_uV = 1740000, 262 .n_voltages = 1, 263 .ops = &rpm_smps_ldo_ops_fixed, 264 }; 265 266 static const struct regulator_desc pm8941_switch = { 267 .ops = &rpm_switch_ops, 268 }; 269 270 static const struct regulator_desc pm8916_pldo = { 271 .linear_ranges = (struct regulator_linear_range[]) { 272 REGULATOR_LINEAR_RANGE(750000, 0, 208, 12500), 273 }, 274 .n_linear_ranges = 1, 275 .n_voltages = 209, 276 .ops = &rpm_smps_ldo_ops, 277 }; 278 279 static const struct regulator_desc pm8916_nldo = { 280 .linear_ranges = (struct regulator_linear_range[]) { 281 REGULATOR_LINEAR_RANGE(375000, 0, 93, 12500), 282 }, 283 .n_linear_ranges = 1, 284 .n_voltages = 94, 285 .ops = &rpm_smps_ldo_ops, 286 }; 287 288 static const struct regulator_desc pm8916_buck_lvo_smps = { 289 .linear_ranges = (struct regulator_linear_range[]) { 290 REGULATOR_LINEAR_RANGE(375000, 0, 95, 12500), 291 REGULATOR_LINEAR_RANGE(750000, 96, 127, 25000), 292 }, 293 .n_linear_ranges = 2, 294 .n_voltages = 128, 295 .ops = &rpm_smps_ldo_ops, 296 }; 297 298 static const struct regulator_desc pm8916_buck_hvo_smps = { 299 .linear_ranges = (struct regulator_linear_range[]) { 300 REGULATOR_LINEAR_RANGE(1550000, 0, 31, 25000), 301 }, 302 .n_linear_ranges = 1, 303 .n_voltages = 32, 304 .ops = &rpm_smps_ldo_ops, 305 }; 306 307 struct rpm_regulator_data { 308 const char *name; 309 u32 type; 310 u32 id; 311 const struct regulator_desc *desc; 312 const char *supply; 313 }; 314 315 static const struct rpm_regulator_data rpm_pm8841_regulators[] = { 316 { "s1", QCOM_SMD_RPM_SMPB, 1, &pm8x41_hfsmps, "vdd_s1" }, 317 { "s2", QCOM_SMD_RPM_SMPB, 2, &pm8841_ftsmps, "vdd_s2" }, 318 { "s3", QCOM_SMD_RPM_SMPB, 3, &pm8x41_hfsmps, "vdd_s3" }, 319 { "s4", QCOM_SMD_RPM_SMPB, 4, &pm8841_ftsmps, "vdd_s4" }, 320 { "s5", QCOM_SMD_RPM_SMPB, 5, &pm8841_ftsmps, "vdd_s5" }, 321 { "s6", QCOM_SMD_RPM_SMPB, 6, &pm8841_ftsmps, "vdd_s6" }, 322 { "s7", QCOM_SMD_RPM_SMPB, 7, &pm8841_ftsmps, "vdd_s7" }, 323 { "s8", QCOM_SMD_RPM_SMPB, 8, &pm8841_ftsmps, "vdd_s8" }, 324 {} 325 }; 326 327 static const struct rpm_regulator_data rpm_pm8916_regulators[] = { 328 { "s1", QCOM_SMD_RPM_SMPA, 1, &pm8916_buck_lvo_smps, "vdd_s1" }, 329 { "s2", QCOM_SMD_RPM_SMPA, 2, &pm8916_buck_lvo_smps, "vdd_s2" }, 330 { "s3", QCOM_SMD_RPM_SMPA, 3, &pm8916_buck_lvo_smps, "vdd_s3" }, 331 { "s4", QCOM_SMD_RPM_SMPA, 4, &pm8916_buck_hvo_smps, "vdd_s4" }, 332 { "l1", QCOM_SMD_RPM_LDOA, 1, &pm8916_nldo, "vdd_l1_l2_l3" }, 333 { "l2", QCOM_SMD_RPM_LDOA, 2, &pm8916_nldo, "vdd_l1_l2_l3" }, 334 { "l3", QCOM_SMD_RPM_LDOA, 3, &pm8916_nldo, "vdd_l1_l2_l3" }, 335 { "l4", QCOM_SMD_RPM_LDOA, 4, &pm8916_pldo, "vdd_l4_l5_l6" }, 336 { "l5", QCOM_SMD_RPM_LDOA, 5, &pm8916_pldo, "vdd_l4_l5_l6" }, 337 { "l6", QCOM_SMD_RPM_LDOA, 6, &pm8916_pldo, "vdd_l4_l5_l6" }, 338 { "l7", QCOM_SMD_RPM_LDOA, 7, &pm8916_pldo, "vdd_l7" }, 339 { "l8", QCOM_SMD_RPM_LDOA, 8, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18" }, 340 { "l9", QCOM_SMD_RPM_LDOA, 9, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18" }, 341 { "l10", QCOM_SMD_RPM_LDOA, 10, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, 342 { "l11", QCOM_SMD_RPM_LDOA, 11, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, 343 { "l12", QCOM_SMD_RPM_LDOA, 12, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, 344 { "l13", QCOM_SMD_RPM_LDOA, 13, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, 345 { "l14", QCOM_SMD_RPM_LDOA, 14, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, 346 { "l15", QCOM_SMD_RPM_LDOA, 15, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, 347 { "l16", QCOM_SMD_RPM_LDOA, 16, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, 348 { "l17", QCOM_SMD_RPM_LDOA, 17, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, 349 { "l18", QCOM_SMD_RPM_LDOA, 18, &pm8916_pldo, "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"}, 350 {} 351 }; 352 353 static const struct rpm_regulator_data rpm_pm8941_regulators[] = { 354 { "s1", QCOM_SMD_RPM_SMPA, 1, &pm8x41_hfsmps, "vdd_s1" }, 355 { "s2", QCOM_SMD_RPM_SMPA, 2, &pm8x41_hfsmps, "vdd_s2" }, 356 { "s3", QCOM_SMD_RPM_SMPA, 3, &pm8x41_hfsmps, "vdd_s3" }, 357 { "s4", QCOM_SMD_RPM_BOOST, 1, &pm8941_boost }, 358 359 { "l1", QCOM_SMD_RPM_LDOA, 1, &pm8941_nldo, "vdd_l1_l3" }, 360 { "l2", QCOM_SMD_RPM_LDOA, 2, &pm8941_nldo, "vdd_l2_lvs1_2_3" }, 361 { "l3", QCOM_SMD_RPM_LDOA, 3, &pm8941_nldo, "vdd_l1_l3" }, 362 { "l4", QCOM_SMD_RPM_LDOA, 4, &pm8941_nldo, "vdd_l4_l11" }, 363 { "l5", QCOM_SMD_RPM_LDOA, 5, &pm8941_lnldo, "vdd_l5_l7" }, 364 { "l6", QCOM_SMD_RPM_LDOA, 6, &pm8941_pldo, "vdd_l6_l12_l14_l15" }, 365 { "l7", QCOM_SMD_RPM_LDOA, 7, &pm8941_lnldo, "vdd_l5_l7" }, 366 { "l8", QCOM_SMD_RPM_LDOA, 8, &pm8941_pldo, "vdd_l8_l16_l18_l19" }, 367 { "l9", QCOM_SMD_RPM_LDOA, 9, &pm8941_pldo, "vdd_l9_l10_l17_l22" }, 368 { "l10", QCOM_SMD_RPM_LDOA, 10, &pm8941_pldo, "vdd_l9_l10_l17_l22" }, 369 { "l11", QCOM_SMD_RPM_LDOA, 11, &pm8941_nldo, "vdd_l4_l11" }, 370 { "l12", QCOM_SMD_RPM_LDOA, 12, &pm8941_pldo, "vdd_l6_l12_l14_l15" }, 371 { "l13", QCOM_SMD_RPM_LDOA, 13, &pm8941_pldo, "vdd_l13_l20_l23_l24" }, 372 { "l14", QCOM_SMD_RPM_LDOA, 14, &pm8941_pldo, "vdd_l6_l12_l14_l15" }, 373 { "l15", QCOM_SMD_RPM_LDOA, 15, &pm8941_pldo, "vdd_l6_l12_l14_l15" }, 374 { "l16", QCOM_SMD_RPM_LDOA, 16, &pm8941_pldo, "vdd_l8_l16_l18_l19" }, 375 { "l17", QCOM_SMD_RPM_LDOA, 17, &pm8941_pldo, "vdd_l9_l10_l17_l22" }, 376 { "l18", QCOM_SMD_RPM_LDOA, 18, &pm8941_pldo, "vdd_l8_l16_l18_l19" }, 377 { "l19", QCOM_SMD_RPM_LDOA, 19, &pm8941_pldo, "vdd_l8_l16_l18_l19" }, 378 { "l20", QCOM_SMD_RPM_LDOA, 20, &pm8941_pldo, "vdd_l13_l20_l23_l24" }, 379 { "l21", QCOM_SMD_RPM_LDOA, 21, &pm8941_pldo, "vdd_l21" }, 380 { "l22", QCOM_SMD_RPM_LDOA, 22, &pm8941_pldo, "vdd_l9_l10_l17_l22" }, 381 { "l23", QCOM_SMD_RPM_LDOA, 23, &pm8941_pldo, "vdd_l13_l20_l23_l24" }, 382 { "l24", QCOM_SMD_RPM_LDOA, 24, &pm8941_pldo, "vdd_l13_l20_l23_l24" }, 383 384 { "lvs1", QCOM_SMD_RPM_VSA, 1, &pm8941_switch, "vdd_l2_lvs1_2_3" }, 385 { "lvs2", QCOM_SMD_RPM_VSA, 2, &pm8941_switch, "vdd_l2_lvs1_2_3" }, 386 { "lvs3", QCOM_SMD_RPM_VSA, 3, &pm8941_switch, "vdd_l2_lvs1_2_3" }, 387 388 { "5vs1", QCOM_SMD_RPM_VSA, 4, &pm8941_switch, "vin_5vs" }, 389 { "5vs2", QCOM_SMD_RPM_VSA, 5, &pm8941_switch, "vin_5vs" }, 390 391 {} 392 }; 393 394 static const struct rpm_regulator_data rpm_pma8084_regulators[] = { 395 { "s1", QCOM_SMD_RPM_SMPA, 1, &pma8084_ftsmps, "vdd_s1" }, 396 { "s2", QCOM_SMD_RPM_SMPA, 2, &pma8084_ftsmps, "vdd_s2" }, 397 { "s3", QCOM_SMD_RPM_SMPA, 3, &pma8084_hfsmps, "vdd_s3" }, 398 { "s4", QCOM_SMD_RPM_SMPA, 4, &pma8084_hfsmps, "vdd_s4" }, 399 { "s5", QCOM_SMD_RPM_SMPA, 5, &pma8084_hfsmps, "vdd_s5" }, 400 { "s6", QCOM_SMD_RPM_SMPA, 6, &pma8084_ftsmps, "vdd_s6" }, 401 { "s7", QCOM_SMD_RPM_SMPA, 7, &pma8084_ftsmps, "vdd_s7" }, 402 { "s8", QCOM_SMD_RPM_SMPA, 8, &pma8084_ftsmps, "vdd_s8" }, 403 { "s9", QCOM_SMD_RPM_SMPA, 9, &pma8084_ftsmps, "vdd_s9" }, 404 { "s10", QCOM_SMD_RPM_SMPA, 10, &pma8084_ftsmps, "vdd_s10" }, 405 { "s11", QCOM_SMD_RPM_SMPA, 11, &pma8084_ftsmps, "vdd_s11" }, 406 { "s12", QCOM_SMD_RPM_SMPA, 12, &pma8084_ftsmps, "vdd_s12" }, 407 408 { "l1", QCOM_SMD_RPM_LDOA, 1, &pma8084_nldo, "vdd_l1_l11" }, 409 { "l2", QCOM_SMD_RPM_LDOA, 2, &pma8084_nldo, "vdd_l2_l3_l4_l27" }, 410 { "l3", QCOM_SMD_RPM_LDOA, 3, &pma8084_nldo, "vdd_l2_l3_l4_l27" }, 411 { "l4", QCOM_SMD_RPM_LDOA, 4, &pma8084_nldo, "vdd_l2_l3_l4_l27" }, 412 { "l5", QCOM_SMD_RPM_LDOA, 5, &pma8084_pldo, "vdd_l5_l7" }, 413 { "l6", QCOM_SMD_RPM_LDOA, 6, &pma8084_pldo, "vdd_l6_l12_l14_l15_l26" }, 414 { "l7", QCOM_SMD_RPM_LDOA, 7, &pma8084_pldo, "vdd_l5_l7" }, 415 { "l8", QCOM_SMD_RPM_LDOA, 8, &pma8084_pldo, "vdd_l8" }, 416 { "l9", QCOM_SMD_RPM_LDOA, 9, &pma8084_pldo, "vdd_l9_l10_l13_l20_l23_l24" }, 417 { "l10", QCOM_SMD_RPM_LDOA, 10, &pma8084_pldo, "vdd_l9_l10_l13_l20_l23_l24" }, 418 { "l11", QCOM_SMD_RPM_LDOA, 11, &pma8084_nldo, "vdd_l1_l11" }, 419 { "l12", QCOM_SMD_RPM_LDOA, 12, &pma8084_pldo, "vdd_l6_l12_l14_l15_l26" }, 420 { "l13", QCOM_SMD_RPM_LDOA, 13, &pma8084_pldo, "vdd_l9_l10_l13_l20_l23_l24" }, 421 { "l14", QCOM_SMD_RPM_LDOA, 14, &pma8084_pldo, "vdd_l6_l12_l14_l15_l26" }, 422 { "l15", QCOM_SMD_RPM_LDOA, 15, &pma8084_pldo, "vdd_l6_l12_l14_l15_l26" }, 423 { "l16", QCOM_SMD_RPM_LDOA, 16, &pma8084_pldo, "vdd_l16_l25" }, 424 { "l17", QCOM_SMD_RPM_LDOA, 17, &pma8084_pldo, "vdd_l17" }, 425 { "l18", QCOM_SMD_RPM_LDOA, 18, &pma8084_pldo, "vdd_l18" }, 426 { "l19", QCOM_SMD_RPM_LDOA, 19, &pma8084_pldo, "vdd_l19" }, 427 { "l20", QCOM_SMD_RPM_LDOA, 20, &pma8084_pldo, "vdd_l9_l10_l13_l20_l23_l24" }, 428 { "l21", QCOM_SMD_RPM_LDOA, 21, &pma8084_pldo, "vdd_l21" }, 429 { "l22", QCOM_SMD_RPM_LDOA, 22, &pma8084_pldo, "vdd_l22" }, 430 { "l23", QCOM_SMD_RPM_LDOA, 23, &pma8084_pldo, "vdd_l9_l10_l13_l20_l23_l24" }, 431 { "l24", QCOM_SMD_RPM_LDOA, 24, &pma8084_pldo, "vdd_l9_l10_l13_l20_l23_l24" }, 432 { "l25", QCOM_SMD_RPM_LDOA, 25, &pma8084_pldo, "vdd_l16_l25" }, 433 { "l26", QCOM_SMD_RPM_LDOA, 26, &pma8084_pldo, "vdd_l6_l12_l14_l15_l26" }, 434 { "l27", QCOM_SMD_RPM_LDOA, 27, &pma8084_nldo, "vdd_l2_l3_l4_l27" }, 435 436 { "lvs1", QCOM_SMD_RPM_VSA, 1, &pma8084_switch }, 437 { "lvs2", QCOM_SMD_RPM_VSA, 2, &pma8084_switch }, 438 { "lvs3", QCOM_SMD_RPM_VSA, 3, &pma8084_switch }, 439 { "lvs4", QCOM_SMD_RPM_VSA, 4, &pma8084_switch }, 440 { "5vs1", QCOM_SMD_RPM_VSA, 5, &pma8084_switch }, 441 442 {} 443 }; 444 445 static const struct of_device_id rpm_of_match[] = { 446 { .compatible = "qcom,rpm-pm8841-regulators", .data = &rpm_pm8841_regulators }, 447 { .compatible = "qcom,rpm-pm8916-regulators", .data = &rpm_pm8916_regulators }, 448 { .compatible = "qcom,rpm-pm8941-regulators", .data = &rpm_pm8941_regulators }, 449 { .compatible = "qcom,rpm-pma8084-regulators", .data = &rpm_pma8084_regulators }, 450 {} 451 }; 452 MODULE_DEVICE_TABLE(of, rpm_of_match); 453 454 static int rpm_reg_probe(struct platform_device *pdev) 455 { 456 const struct rpm_regulator_data *reg; 457 const struct of_device_id *match; 458 struct regulator_config config = { }; 459 struct regulator_dev *rdev; 460 struct qcom_rpm_reg *vreg; 461 struct qcom_smd_rpm *rpm; 462 463 rpm = dev_get_drvdata(pdev->dev.parent); 464 if (!rpm) { 465 dev_err(&pdev->dev, "unable to retrieve handle to rpm\n"); 466 return -ENODEV; 467 } 468 469 match = of_match_device(rpm_of_match, &pdev->dev); 470 for (reg = match->data; reg->name; reg++) { 471 vreg = devm_kzalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL); 472 if (!vreg) 473 return -ENOMEM; 474 475 vreg->dev = &pdev->dev; 476 vreg->type = reg->type; 477 vreg->id = reg->id; 478 vreg->rpm = rpm; 479 480 memcpy(&vreg->desc, reg->desc, sizeof(vreg->desc)); 481 482 vreg->desc.id = -1; 483 vreg->desc.owner = THIS_MODULE; 484 vreg->desc.type = REGULATOR_VOLTAGE; 485 vreg->desc.name = reg->name; 486 vreg->desc.supply_name = reg->supply; 487 vreg->desc.of_match = reg->name; 488 489 config.dev = &pdev->dev; 490 config.driver_data = vreg; 491 rdev = devm_regulator_register(&pdev->dev, &vreg->desc, &config); 492 if (IS_ERR(rdev)) { 493 dev_err(&pdev->dev, "failed to register %s\n", reg->name); 494 return PTR_ERR(rdev); 495 } 496 } 497 498 return 0; 499 } 500 501 static struct platform_driver rpm_reg_driver = { 502 .probe = rpm_reg_probe, 503 .driver = { 504 .name = "qcom_rpm_smd_regulator", 505 .of_match_table = rpm_of_match, 506 }, 507 }; 508 509 static int __init rpm_reg_init(void) 510 { 511 return platform_driver_register(&rpm_reg_driver); 512 } 513 subsys_initcall(rpm_reg_init); 514 515 static void __exit rpm_reg_exit(void) 516 { 517 platform_driver_unregister(&rpm_reg_driver); 518 } 519 module_exit(rpm_reg_exit) 520 521 MODULE_DESCRIPTION("Qualcomm RPM regulator driver"); 522 MODULE_LICENSE("GPL v2"); 523