1 // SPDX-License-Identifier: GPL-2.0+ 2 // 3 // Copyright (c) 2012-2014 Samsung Electronics Co., Ltd 4 // http://www.samsung.com 5 6 #include <linux/bug.h> 7 #include <linux/err.h> 8 #include <linux/gpio/consumer.h> 9 #include <linux/slab.h> 10 #include <linux/module.h> 11 #include <linux/of.h> 12 #include <linux/regmap.h> 13 #include <linux/platform_device.h> 14 #include <linux/regulator/driver.h> 15 #include <linux/regulator/machine.h> 16 #include <linux/regulator/of_regulator.h> 17 #include <linux/mfd/samsung/core.h> 18 #include <linux/mfd/samsung/s2mps11.h> 19 #include <linux/mfd/samsung/s2mps13.h> 20 #include <linux/mfd/samsung/s2mps14.h> 21 #include <linux/mfd/samsung/s2mps15.h> 22 #include <linux/mfd/samsung/s2mpu02.h> 23 24 /* The highest number of possible regulators for supported devices. */ 25 #define S2MPS_REGULATOR_MAX S2MPS13_REGULATOR_MAX 26 struct s2mps11_info { 27 int ramp_delay2; 28 int ramp_delay34; 29 int ramp_delay5; 30 int ramp_delay16; 31 int ramp_delay7810; 32 int ramp_delay9; 33 34 enum sec_device_type dev_type; 35 36 /* 37 * One bit for each S2MPS11/S2MPS13/S2MPS14/S2MPU02 regulator whether 38 * the suspend mode was enabled. 39 */ 40 DECLARE_BITMAP(suspend_state, S2MPS_REGULATOR_MAX); 41 42 /* 43 * Array (size: number of regulators) with GPIO-s for external 44 * sleep control. 45 */ 46 struct gpio_desc **ext_control_gpiod; 47 }; 48 49 static int get_ramp_delay(int ramp_delay) 50 { 51 unsigned char cnt = 0; 52 53 ramp_delay /= 6250; 54 55 while (true) { 56 ramp_delay = ramp_delay >> 1; 57 if (ramp_delay == 0) 58 break; 59 cnt++; 60 } 61 62 if (cnt > 3) 63 cnt = 3; 64 65 return cnt; 66 } 67 68 static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev, 69 unsigned int old_selector, 70 unsigned int new_selector) 71 { 72 struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); 73 int rdev_id = rdev_get_id(rdev); 74 unsigned int ramp_delay = 0; 75 int old_volt, new_volt; 76 77 switch (rdev_id) { 78 case S2MPS11_BUCK2: 79 ramp_delay = s2mps11->ramp_delay2; 80 break; 81 case S2MPS11_BUCK3: 82 case S2MPS11_BUCK4: 83 ramp_delay = s2mps11->ramp_delay34; 84 break; 85 case S2MPS11_BUCK5: 86 ramp_delay = s2mps11->ramp_delay5; 87 break; 88 case S2MPS11_BUCK6: 89 case S2MPS11_BUCK1: 90 ramp_delay = s2mps11->ramp_delay16; 91 break; 92 case S2MPS11_BUCK7: 93 case S2MPS11_BUCK8: 94 case S2MPS11_BUCK10: 95 ramp_delay = s2mps11->ramp_delay7810; 96 break; 97 case S2MPS11_BUCK9: 98 ramp_delay = s2mps11->ramp_delay9; 99 } 100 101 if (ramp_delay == 0) 102 ramp_delay = rdev->desc->ramp_delay; 103 104 old_volt = rdev->desc->min_uV + (rdev->desc->uV_step * old_selector); 105 new_volt = rdev->desc->min_uV + (rdev->desc->uV_step * new_selector); 106 107 return DIV_ROUND_UP(abs(new_volt - old_volt), ramp_delay); 108 } 109 110 static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) 111 { 112 struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); 113 unsigned int ramp_val, ramp_shift, ramp_reg = S2MPS11_REG_RAMP_BUCK; 114 unsigned int ramp_enable = 1, enable_shift = 0; 115 int rdev_id = rdev_get_id(rdev); 116 int ret; 117 118 switch (rdev_id) { 119 case S2MPS11_BUCK1: 120 if (ramp_delay > s2mps11->ramp_delay16) 121 s2mps11->ramp_delay16 = ramp_delay; 122 else 123 ramp_delay = s2mps11->ramp_delay16; 124 125 ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT; 126 break; 127 case S2MPS11_BUCK2: 128 enable_shift = S2MPS11_BUCK2_RAMP_EN_SHIFT; 129 if (!ramp_delay) { 130 ramp_enable = 0; 131 break; 132 } 133 134 s2mps11->ramp_delay2 = ramp_delay; 135 ramp_shift = S2MPS11_BUCK2_RAMP_SHIFT; 136 ramp_reg = S2MPS11_REG_RAMP; 137 break; 138 case S2MPS11_BUCK3: 139 enable_shift = S2MPS11_BUCK3_RAMP_EN_SHIFT; 140 if (!ramp_delay) { 141 ramp_enable = 0; 142 break; 143 } 144 145 if (ramp_delay > s2mps11->ramp_delay34) 146 s2mps11->ramp_delay34 = ramp_delay; 147 else 148 ramp_delay = s2mps11->ramp_delay34; 149 150 ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT; 151 ramp_reg = S2MPS11_REG_RAMP; 152 break; 153 case S2MPS11_BUCK4: 154 enable_shift = S2MPS11_BUCK4_RAMP_EN_SHIFT; 155 if (!ramp_delay) { 156 ramp_enable = 0; 157 break; 158 } 159 160 if (ramp_delay > s2mps11->ramp_delay34) 161 s2mps11->ramp_delay34 = ramp_delay; 162 else 163 ramp_delay = s2mps11->ramp_delay34; 164 165 ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT; 166 ramp_reg = S2MPS11_REG_RAMP; 167 break; 168 case S2MPS11_BUCK5: 169 s2mps11->ramp_delay5 = ramp_delay; 170 ramp_shift = S2MPS11_BUCK5_RAMP_SHIFT; 171 break; 172 case S2MPS11_BUCK6: 173 enable_shift = S2MPS11_BUCK6_RAMP_EN_SHIFT; 174 if (!ramp_delay) { 175 ramp_enable = 0; 176 break; 177 } 178 179 if (ramp_delay > s2mps11->ramp_delay16) 180 s2mps11->ramp_delay16 = ramp_delay; 181 else 182 ramp_delay = s2mps11->ramp_delay16; 183 184 ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT; 185 break; 186 case S2MPS11_BUCK7: 187 case S2MPS11_BUCK8: 188 case S2MPS11_BUCK10: 189 if (ramp_delay > s2mps11->ramp_delay7810) 190 s2mps11->ramp_delay7810 = ramp_delay; 191 else 192 ramp_delay = s2mps11->ramp_delay7810; 193 194 ramp_shift = S2MPS11_BUCK7810_RAMP_SHIFT; 195 break; 196 case S2MPS11_BUCK9: 197 s2mps11->ramp_delay9 = ramp_delay; 198 ramp_shift = S2MPS11_BUCK9_RAMP_SHIFT; 199 break; 200 default: 201 return 0; 202 } 203 204 if (!ramp_enable) 205 goto ramp_disable; 206 207 /* Ramp delay can be enabled/disabled only for buck[2346] */ 208 if ((rdev_id >= S2MPS11_BUCK2 && rdev_id <= S2MPS11_BUCK4) || 209 rdev_id == S2MPS11_BUCK6) { 210 ret = regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP, 211 1 << enable_shift, 1 << enable_shift); 212 if (ret) { 213 dev_err(&rdev->dev, "failed to enable ramp rate\n"); 214 return ret; 215 } 216 } 217 218 ramp_val = get_ramp_delay(ramp_delay); 219 220 return regmap_update_bits(rdev->regmap, ramp_reg, 0x3 << ramp_shift, 221 ramp_val << ramp_shift); 222 223 ramp_disable: 224 return regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP, 225 1 << enable_shift, 0); 226 } 227 228 static int s2mps11_regulator_enable(struct regulator_dev *rdev) 229 { 230 struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); 231 int rdev_id = rdev_get_id(rdev); 232 unsigned int val; 233 234 switch (s2mps11->dev_type) { 235 case S2MPS11X: 236 if (test_bit(rdev_id, s2mps11->suspend_state)) 237 val = S2MPS14_ENABLE_SUSPEND; 238 else 239 val = rdev->desc->enable_mask; 240 break; 241 case S2MPS13X: 242 case S2MPS14X: 243 if (test_bit(rdev_id, s2mps11->suspend_state)) 244 val = S2MPS14_ENABLE_SUSPEND; 245 else if (s2mps11->ext_control_gpiod[rdev_id]) 246 val = S2MPS14_ENABLE_EXT_CONTROL; 247 else 248 val = rdev->desc->enable_mask; 249 break; 250 case S2MPU02: 251 if (test_bit(rdev_id, s2mps11->suspend_state)) 252 val = S2MPU02_ENABLE_SUSPEND; 253 else 254 val = rdev->desc->enable_mask; 255 break; 256 default: 257 return -EINVAL; 258 } 259 260 return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, 261 rdev->desc->enable_mask, val); 262 } 263 264 static int s2mps11_regulator_set_suspend_disable(struct regulator_dev *rdev) 265 { 266 int ret; 267 unsigned int val, state; 268 struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); 269 int rdev_id = rdev_get_id(rdev); 270 271 /* Below LDO should be always on or does not support suspend mode. */ 272 switch (s2mps11->dev_type) { 273 case S2MPS11X: 274 switch (rdev_id) { 275 case S2MPS11_LDO2: 276 case S2MPS11_LDO36: 277 case S2MPS11_LDO37: 278 case S2MPS11_LDO38: 279 return 0; 280 default: 281 state = S2MPS14_ENABLE_SUSPEND; 282 break; 283 } 284 break; 285 case S2MPS13X: 286 case S2MPS14X: 287 switch (rdev_id) { 288 case S2MPS14_LDO3: 289 return 0; 290 default: 291 state = S2MPS14_ENABLE_SUSPEND; 292 break; 293 } 294 break; 295 case S2MPU02: 296 switch (rdev_id) { 297 case S2MPU02_LDO13: 298 case S2MPU02_LDO14: 299 case S2MPU02_LDO15: 300 case S2MPU02_LDO17: 301 case S2MPU02_BUCK7: 302 state = S2MPU02_DISABLE_SUSPEND; 303 break; 304 default: 305 state = S2MPU02_ENABLE_SUSPEND; 306 break; 307 } 308 break; 309 default: 310 return -EINVAL; 311 } 312 313 ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val); 314 if (ret < 0) 315 return ret; 316 317 set_bit(rdev_id, s2mps11->suspend_state); 318 /* 319 * Don't enable suspend mode if regulator is already disabled because 320 * this would effectively for a short time turn on the regulator after 321 * resuming. 322 * However we still want to toggle the suspend_state bit for regulator 323 * in case if it got enabled before suspending the system. 324 */ 325 if (!(val & rdev->desc->enable_mask)) 326 return 0; 327 328 return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, 329 rdev->desc->enable_mask, state); 330 } 331 332 static const struct regulator_ops s2mps11_ldo_ops = { 333 .list_voltage = regulator_list_voltage_linear, 334 .map_voltage = regulator_map_voltage_linear, 335 .is_enabled = regulator_is_enabled_regmap, 336 .enable = s2mps11_regulator_enable, 337 .disable = regulator_disable_regmap, 338 .get_voltage_sel = regulator_get_voltage_sel_regmap, 339 .set_voltage_sel = regulator_set_voltage_sel_regmap, 340 .set_voltage_time_sel = regulator_set_voltage_time_sel, 341 .set_suspend_disable = s2mps11_regulator_set_suspend_disable, 342 }; 343 344 static const struct regulator_ops s2mps11_buck_ops = { 345 .list_voltage = regulator_list_voltage_linear, 346 .map_voltage = regulator_map_voltage_linear, 347 .is_enabled = regulator_is_enabled_regmap, 348 .enable = s2mps11_regulator_enable, 349 .disable = regulator_disable_regmap, 350 .get_voltage_sel = regulator_get_voltage_sel_regmap, 351 .set_voltage_sel = regulator_set_voltage_sel_regmap, 352 .set_voltage_time_sel = s2mps11_regulator_set_voltage_time_sel, 353 .set_ramp_delay = s2mps11_set_ramp_delay, 354 .set_suspend_disable = s2mps11_regulator_set_suspend_disable, 355 }; 356 357 #define regulator_desc_s2mps11_ldo(num, step) { \ 358 .name = "LDO"#num, \ 359 .id = S2MPS11_LDO##num, \ 360 .ops = &s2mps11_ldo_ops, \ 361 .type = REGULATOR_VOLTAGE, \ 362 .owner = THIS_MODULE, \ 363 .ramp_delay = RAMP_DELAY_12_MVUS, \ 364 .min_uV = MIN_800_MV, \ 365 .uV_step = step, \ 366 .n_voltages = S2MPS11_LDO_N_VOLTAGES, \ 367 .vsel_reg = S2MPS11_REG_L1CTRL + num - 1, \ 368 .vsel_mask = S2MPS11_LDO_VSEL_MASK, \ 369 .enable_reg = S2MPS11_REG_L1CTRL + num - 1, \ 370 .enable_mask = S2MPS11_ENABLE_MASK \ 371 } 372 373 #define regulator_desc_s2mps11_buck1_4(num) { \ 374 .name = "BUCK"#num, \ 375 .id = S2MPS11_BUCK##num, \ 376 .ops = &s2mps11_buck_ops, \ 377 .type = REGULATOR_VOLTAGE, \ 378 .owner = THIS_MODULE, \ 379 .min_uV = MIN_600_MV, \ 380 .uV_step = STEP_6_25_MV, \ 381 .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ 382 .ramp_delay = S2MPS11_RAMP_DELAY, \ 383 .vsel_reg = S2MPS11_REG_B1CTRL2 + (num - 1) * 2, \ 384 .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ 385 .enable_reg = S2MPS11_REG_B1CTRL1 + (num - 1) * 2, \ 386 .enable_mask = S2MPS11_ENABLE_MASK \ 387 } 388 389 #define regulator_desc_s2mps11_buck5 { \ 390 .name = "BUCK5", \ 391 .id = S2MPS11_BUCK5, \ 392 .ops = &s2mps11_buck_ops, \ 393 .type = REGULATOR_VOLTAGE, \ 394 .owner = THIS_MODULE, \ 395 .min_uV = MIN_600_MV, \ 396 .uV_step = STEP_6_25_MV, \ 397 .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ 398 .ramp_delay = S2MPS11_RAMP_DELAY, \ 399 .vsel_reg = S2MPS11_REG_B5CTRL2, \ 400 .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ 401 .enable_reg = S2MPS11_REG_B5CTRL1, \ 402 .enable_mask = S2MPS11_ENABLE_MASK \ 403 } 404 405 #define regulator_desc_s2mps11_buck67810(num, min, step) { \ 406 .name = "BUCK"#num, \ 407 .id = S2MPS11_BUCK##num, \ 408 .ops = &s2mps11_buck_ops, \ 409 .type = REGULATOR_VOLTAGE, \ 410 .owner = THIS_MODULE, \ 411 .min_uV = min, \ 412 .uV_step = step, \ 413 .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ 414 .ramp_delay = S2MPS11_RAMP_DELAY, \ 415 .vsel_reg = S2MPS11_REG_B6CTRL2 + (num - 6) * 2, \ 416 .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ 417 .enable_reg = S2MPS11_REG_B6CTRL1 + (num - 6) * 2, \ 418 .enable_mask = S2MPS11_ENABLE_MASK \ 419 } 420 421 #define regulator_desc_s2mps11_buck9 { \ 422 .name = "BUCK9", \ 423 .id = S2MPS11_BUCK9, \ 424 .ops = &s2mps11_buck_ops, \ 425 .type = REGULATOR_VOLTAGE, \ 426 .owner = THIS_MODULE, \ 427 .min_uV = MIN_3000_MV, \ 428 .uV_step = STEP_25_MV, \ 429 .n_voltages = S2MPS11_BUCK9_N_VOLTAGES, \ 430 .ramp_delay = S2MPS11_RAMP_DELAY, \ 431 .vsel_reg = S2MPS11_REG_B9CTRL2, \ 432 .vsel_mask = S2MPS11_BUCK9_VSEL_MASK, \ 433 .enable_reg = S2MPS11_REG_B9CTRL1, \ 434 .enable_mask = S2MPS11_ENABLE_MASK \ 435 } 436 437 static const struct regulator_desc s2mps11_regulators[] = { 438 regulator_desc_s2mps11_ldo(1, STEP_25_MV), 439 regulator_desc_s2mps11_ldo(2, STEP_50_MV), 440 regulator_desc_s2mps11_ldo(3, STEP_50_MV), 441 regulator_desc_s2mps11_ldo(4, STEP_50_MV), 442 regulator_desc_s2mps11_ldo(5, STEP_50_MV), 443 regulator_desc_s2mps11_ldo(6, STEP_25_MV), 444 regulator_desc_s2mps11_ldo(7, STEP_50_MV), 445 regulator_desc_s2mps11_ldo(8, STEP_50_MV), 446 regulator_desc_s2mps11_ldo(9, STEP_50_MV), 447 regulator_desc_s2mps11_ldo(10, STEP_50_MV), 448 regulator_desc_s2mps11_ldo(11, STEP_25_MV), 449 regulator_desc_s2mps11_ldo(12, STEP_50_MV), 450 regulator_desc_s2mps11_ldo(13, STEP_50_MV), 451 regulator_desc_s2mps11_ldo(14, STEP_50_MV), 452 regulator_desc_s2mps11_ldo(15, STEP_50_MV), 453 regulator_desc_s2mps11_ldo(16, STEP_50_MV), 454 regulator_desc_s2mps11_ldo(17, STEP_50_MV), 455 regulator_desc_s2mps11_ldo(18, STEP_50_MV), 456 regulator_desc_s2mps11_ldo(19, STEP_50_MV), 457 regulator_desc_s2mps11_ldo(20, STEP_50_MV), 458 regulator_desc_s2mps11_ldo(21, STEP_50_MV), 459 regulator_desc_s2mps11_ldo(22, STEP_25_MV), 460 regulator_desc_s2mps11_ldo(23, STEP_25_MV), 461 regulator_desc_s2mps11_ldo(24, STEP_50_MV), 462 regulator_desc_s2mps11_ldo(25, STEP_50_MV), 463 regulator_desc_s2mps11_ldo(26, STEP_50_MV), 464 regulator_desc_s2mps11_ldo(27, STEP_25_MV), 465 regulator_desc_s2mps11_ldo(28, STEP_50_MV), 466 regulator_desc_s2mps11_ldo(29, STEP_50_MV), 467 regulator_desc_s2mps11_ldo(30, STEP_50_MV), 468 regulator_desc_s2mps11_ldo(31, STEP_50_MV), 469 regulator_desc_s2mps11_ldo(32, STEP_50_MV), 470 regulator_desc_s2mps11_ldo(33, STEP_50_MV), 471 regulator_desc_s2mps11_ldo(34, STEP_50_MV), 472 regulator_desc_s2mps11_ldo(35, STEP_25_MV), 473 regulator_desc_s2mps11_ldo(36, STEP_50_MV), 474 regulator_desc_s2mps11_ldo(37, STEP_50_MV), 475 regulator_desc_s2mps11_ldo(38, STEP_50_MV), 476 regulator_desc_s2mps11_buck1_4(1), 477 regulator_desc_s2mps11_buck1_4(2), 478 regulator_desc_s2mps11_buck1_4(3), 479 regulator_desc_s2mps11_buck1_4(4), 480 regulator_desc_s2mps11_buck5, 481 regulator_desc_s2mps11_buck67810(6, MIN_600_MV, STEP_6_25_MV), 482 regulator_desc_s2mps11_buck67810(7, MIN_600_MV, STEP_12_5_MV), 483 regulator_desc_s2mps11_buck67810(8, MIN_600_MV, STEP_12_5_MV), 484 regulator_desc_s2mps11_buck9, 485 regulator_desc_s2mps11_buck67810(10, MIN_750_MV, STEP_12_5_MV), 486 }; 487 488 static const struct regulator_ops s2mps14_reg_ops; 489 490 #define regulator_desc_s2mps13_ldo(num, min, step, min_sel) { \ 491 .name = "LDO"#num, \ 492 .id = S2MPS13_LDO##num, \ 493 .ops = &s2mps14_reg_ops, \ 494 .type = REGULATOR_VOLTAGE, \ 495 .owner = THIS_MODULE, \ 496 .min_uV = min, \ 497 .uV_step = step, \ 498 .linear_min_sel = min_sel, \ 499 .n_voltages = S2MPS14_LDO_N_VOLTAGES, \ 500 .vsel_reg = S2MPS13_REG_L1CTRL + num - 1, \ 501 .vsel_mask = S2MPS14_LDO_VSEL_MASK, \ 502 .enable_reg = S2MPS13_REG_L1CTRL + num - 1, \ 503 .enable_mask = S2MPS14_ENABLE_MASK \ 504 } 505 506 #define regulator_desc_s2mps13_buck(num, min, step, min_sel) { \ 507 .name = "BUCK"#num, \ 508 .id = S2MPS13_BUCK##num, \ 509 .ops = &s2mps14_reg_ops, \ 510 .type = REGULATOR_VOLTAGE, \ 511 .owner = THIS_MODULE, \ 512 .min_uV = min, \ 513 .uV_step = step, \ 514 .linear_min_sel = min_sel, \ 515 .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \ 516 .ramp_delay = S2MPS13_BUCK_RAMP_DELAY, \ 517 .vsel_reg = S2MPS13_REG_B1OUT + (num - 1) * 2, \ 518 .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \ 519 .enable_reg = S2MPS13_REG_B1CTRL + (num - 1) * 2, \ 520 .enable_mask = S2MPS14_ENABLE_MASK \ 521 } 522 523 #define regulator_desc_s2mps13_buck7(num, min, step, min_sel) { \ 524 .name = "BUCK"#num, \ 525 .id = S2MPS13_BUCK##num, \ 526 .ops = &s2mps14_reg_ops, \ 527 .type = REGULATOR_VOLTAGE, \ 528 .owner = THIS_MODULE, \ 529 .min_uV = min, \ 530 .uV_step = step, \ 531 .linear_min_sel = min_sel, \ 532 .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \ 533 .ramp_delay = S2MPS13_BUCK_RAMP_DELAY, \ 534 .vsel_reg = S2MPS13_REG_B1OUT + (num) * 2 - 1, \ 535 .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \ 536 .enable_reg = S2MPS13_REG_B1CTRL + (num - 1) * 2, \ 537 .enable_mask = S2MPS14_ENABLE_MASK \ 538 } 539 540 #define regulator_desc_s2mps13_buck8_10(num, min, step, min_sel) { \ 541 .name = "BUCK"#num, \ 542 .id = S2MPS13_BUCK##num, \ 543 .ops = &s2mps14_reg_ops, \ 544 .type = REGULATOR_VOLTAGE, \ 545 .owner = THIS_MODULE, \ 546 .min_uV = min, \ 547 .uV_step = step, \ 548 .linear_min_sel = min_sel, \ 549 .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \ 550 .ramp_delay = S2MPS13_BUCK_RAMP_DELAY, \ 551 .vsel_reg = S2MPS13_REG_B1OUT + (num) * 2 - 1, \ 552 .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \ 553 .enable_reg = S2MPS13_REG_B1CTRL + (num) * 2 - 1, \ 554 .enable_mask = S2MPS14_ENABLE_MASK \ 555 } 556 557 static const struct regulator_desc s2mps13_regulators[] = { 558 regulator_desc_s2mps13_ldo(1, MIN_800_MV, STEP_12_5_MV, 0x00), 559 regulator_desc_s2mps13_ldo(2, MIN_1400_MV, STEP_50_MV, 0x0C), 560 regulator_desc_s2mps13_ldo(3, MIN_1000_MV, STEP_25_MV, 0x08), 561 regulator_desc_s2mps13_ldo(4, MIN_800_MV, STEP_12_5_MV, 0x00), 562 regulator_desc_s2mps13_ldo(5, MIN_800_MV, STEP_12_5_MV, 0x00), 563 regulator_desc_s2mps13_ldo(6, MIN_800_MV, STEP_12_5_MV, 0x00), 564 regulator_desc_s2mps13_ldo(7, MIN_1000_MV, STEP_25_MV, 0x08), 565 regulator_desc_s2mps13_ldo(8, MIN_1000_MV, STEP_25_MV, 0x08), 566 regulator_desc_s2mps13_ldo(9, MIN_1000_MV, STEP_25_MV, 0x08), 567 regulator_desc_s2mps13_ldo(10, MIN_1400_MV, STEP_50_MV, 0x0C), 568 regulator_desc_s2mps13_ldo(11, MIN_800_MV, STEP_25_MV, 0x10), 569 regulator_desc_s2mps13_ldo(12, MIN_800_MV, STEP_25_MV, 0x10), 570 regulator_desc_s2mps13_ldo(13, MIN_800_MV, STEP_25_MV, 0x10), 571 regulator_desc_s2mps13_ldo(14, MIN_800_MV, STEP_12_5_MV, 0x00), 572 regulator_desc_s2mps13_ldo(15, MIN_800_MV, STEP_12_5_MV, 0x00), 573 regulator_desc_s2mps13_ldo(16, MIN_1400_MV, STEP_50_MV, 0x0C), 574 regulator_desc_s2mps13_ldo(17, MIN_1400_MV, STEP_50_MV, 0x0C), 575 regulator_desc_s2mps13_ldo(18, MIN_1000_MV, STEP_25_MV, 0x08), 576 regulator_desc_s2mps13_ldo(19, MIN_1000_MV, STEP_25_MV, 0x08), 577 regulator_desc_s2mps13_ldo(20, MIN_1400_MV, STEP_50_MV, 0x0C), 578 regulator_desc_s2mps13_ldo(21, MIN_1000_MV, STEP_25_MV, 0x08), 579 regulator_desc_s2mps13_ldo(22, MIN_1000_MV, STEP_25_MV, 0x08), 580 regulator_desc_s2mps13_ldo(23, MIN_800_MV, STEP_12_5_MV, 0x00), 581 regulator_desc_s2mps13_ldo(24, MIN_800_MV, STEP_12_5_MV, 0x00), 582 regulator_desc_s2mps13_ldo(25, MIN_1400_MV, STEP_50_MV, 0x0C), 583 regulator_desc_s2mps13_ldo(26, MIN_1400_MV, STEP_50_MV, 0x0C), 584 regulator_desc_s2mps13_ldo(27, MIN_1400_MV, STEP_50_MV, 0x0C), 585 regulator_desc_s2mps13_ldo(28, MIN_1000_MV, STEP_25_MV, 0x08), 586 regulator_desc_s2mps13_ldo(29, MIN_1400_MV, STEP_50_MV, 0x0C), 587 regulator_desc_s2mps13_ldo(30, MIN_1400_MV, STEP_50_MV, 0x0C), 588 regulator_desc_s2mps13_ldo(31, MIN_1000_MV, STEP_25_MV, 0x08), 589 regulator_desc_s2mps13_ldo(32, MIN_1000_MV, STEP_25_MV, 0x08), 590 regulator_desc_s2mps13_ldo(33, MIN_1400_MV, STEP_50_MV, 0x0C), 591 regulator_desc_s2mps13_ldo(34, MIN_1000_MV, STEP_25_MV, 0x08), 592 regulator_desc_s2mps13_ldo(35, MIN_1400_MV, STEP_50_MV, 0x0C), 593 regulator_desc_s2mps13_ldo(36, MIN_800_MV, STEP_12_5_MV, 0x00), 594 regulator_desc_s2mps13_ldo(37, MIN_1000_MV, STEP_25_MV, 0x08), 595 regulator_desc_s2mps13_ldo(38, MIN_1400_MV, STEP_50_MV, 0x0C), 596 regulator_desc_s2mps13_ldo(39, MIN_1000_MV, STEP_25_MV, 0x08), 597 regulator_desc_s2mps13_ldo(40, MIN_1400_MV, STEP_50_MV, 0x0C), 598 regulator_desc_s2mps13_buck(1, MIN_500_MV, STEP_6_25_MV, 0x10), 599 regulator_desc_s2mps13_buck(2, MIN_500_MV, STEP_6_25_MV, 0x10), 600 regulator_desc_s2mps13_buck(3, MIN_500_MV, STEP_6_25_MV, 0x10), 601 regulator_desc_s2mps13_buck(4, MIN_500_MV, STEP_6_25_MV, 0x10), 602 regulator_desc_s2mps13_buck(5, MIN_500_MV, STEP_6_25_MV, 0x10), 603 regulator_desc_s2mps13_buck(6, MIN_500_MV, STEP_6_25_MV, 0x10), 604 regulator_desc_s2mps13_buck7(7, MIN_500_MV, STEP_6_25_MV, 0x10), 605 regulator_desc_s2mps13_buck8_10(8, MIN_1000_MV, STEP_12_5_MV, 0x20), 606 regulator_desc_s2mps13_buck8_10(9, MIN_1000_MV, STEP_12_5_MV, 0x20), 607 regulator_desc_s2mps13_buck8_10(10, MIN_500_MV, STEP_6_25_MV, 0x10), 608 }; 609 610 static const struct regulator_ops s2mps14_reg_ops = { 611 .list_voltage = regulator_list_voltage_linear, 612 .map_voltage = regulator_map_voltage_linear, 613 .is_enabled = regulator_is_enabled_regmap, 614 .enable = s2mps11_regulator_enable, 615 .disable = regulator_disable_regmap, 616 .get_voltage_sel = regulator_get_voltage_sel_regmap, 617 .set_voltage_sel = regulator_set_voltage_sel_regmap, 618 .set_voltage_time_sel = regulator_set_voltage_time_sel, 619 .set_suspend_disable = s2mps11_regulator_set_suspend_disable, 620 }; 621 622 #define regulator_desc_s2mps14_ldo(num, min, step) { \ 623 .name = "LDO"#num, \ 624 .id = S2MPS14_LDO##num, \ 625 .ops = &s2mps14_reg_ops, \ 626 .type = REGULATOR_VOLTAGE, \ 627 .owner = THIS_MODULE, \ 628 .min_uV = min, \ 629 .uV_step = step, \ 630 .n_voltages = S2MPS14_LDO_N_VOLTAGES, \ 631 .vsel_reg = S2MPS14_REG_L1CTRL + num - 1, \ 632 .vsel_mask = S2MPS14_LDO_VSEL_MASK, \ 633 .enable_reg = S2MPS14_REG_L1CTRL + num - 1, \ 634 .enable_mask = S2MPS14_ENABLE_MASK \ 635 } 636 637 #define regulator_desc_s2mps14_buck(num, min, step, min_sel) { \ 638 .name = "BUCK"#num, \ 639 .id = S2MPS14_BUCK##num, \ 640 .ops = &s2mps14_reg_ops, \ 641 .type = REGULATOR_VOLTAGE, \ 642 .owner = THIS_MODULE, \ 643 .min_uV = min, \ 644 .uV_step = step, \ 645 .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \ 646 .linear_min_sel = min_sel, \ 647 .ramp_delay = S2MPS14_BUCK_RAMP_DELAY, \ 648 .vsel_reg = S2MPS14_REG_B1CTRL2 + (num - 1) * 2, \ 649 .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \ 650 .enable_reg = S2MPS14_REG_B1CTRL1 + (num - 1) * 2, \ 651 .enable_mask = S2MPS14_ENABLE_MASK \ 652 } 653 654 static const struct regulator_desc s2mps14_regulators[] = { 655 regulator_desc_s2mps14_ldo(1, MIN_800_MV, STEP_12_5_MV), 656 regulator_desc_s2mps14_ldo(2, MIN_800_MV, STEP_12_5_MV), 657 regulator_desc_s2mps14_ldo(3, MIN_800_MV, STEP_25_MV), 658 regulator_desc_s2mps14_ldo(4, MIN_800_MV, STEP_25_MV), 659 regulator_desc_s2mps14_ldo(5, MIN_800_MV, STEP_12_5_MV), 660 regulator_desc_s2mps14_ldo(6, MIN_800_MV, STEP_12_5_MV), 661 regulator_desc_s2mps14_ldo(7, MIN_800_MV, STEP_25_MV), 662 regulator_desc_s2mps14_ldo(8, MIN_1800_MV, STEP_25_MV), 663 regulator_desc_s2mps14_ldo(9, MIN_800_MV, STEP_12_5_MV), 664 regulator_desc_s2mps14_ldo(10, MIN_800_MV, STEP_12_5_MV), 665 regulator_desc_s2mps14_ldo(11, MIN_800_MV, STEP_25_MV), 666 regulator_desc_s2mps14_ldo(12, MIN_1800_MV, STEP_25_MV), 667 regulator_desc_s2mps14_ldo(13, MIN_1800_MV, STEP_25_MV), 668 regulator_desc_s2mps14_ldo(14, MIN_1800_MV, STEP_25_MV), 669 regulator_desc_s2mps14_ldo(15, MIN_1800_MV, STEP_25_MV), 670 regulator_desc_s2mps14_ldo(16, MIN_1800_MV, STEP_25_MV), 671 regulator_desc_s2mps14_ldo(17, MIN_1800_MV, STEP_25_MV), 672 regulator_desc_s2mps14_ldo(18, MIN_1800_MV, STEP_25_MV), 673 regulator_desc_s2mps14_ldo(19, MIN_800_MV, STEP_25_MV), 674 regulator_desc_s2mps14_ldo(20, MIN_800_MV, STEP_25_MV), 675 regulator_desc_s2mps14_ldo(21, MIN_800_MV, STEP_25_MV), 676 regulator_desc_s2mps14_ldo(22, MIN_800_MV, STEP_12_5_MV), 677 regulator_desc_s2mps14_ldo(23, MIN_800_MV, STEP_25_MV), 678 regulator_desc_s2mps14_ldo(24, MIN_1800_MV, STEP_25_MV), 679 regulator_desc_s2mps14_ldo(25, MIN_1800_MV, STEP_25_MV), 680 regulator_desc_s2mps14_buck(1, MIN_600_MV, STEP_6_25_MV, 681 S2MPS14_BUCK1235_START_SEL), 682 regulator_desc_s2mps14_buck(2, MIN_600_MV, STEP_6_25_MV, 683 S2MPS14_BUCK1235_START_SEL), 684 regulator_desc_s2mps14_buck(3, MIN_600_MV, STEP_6_25_MV, 685 S2MPS14_BUCK1235_START_SEL), 686 regulator_desc_s2mps14_buck(4, MIN_1400_MV, STEP_12_5_MV, 687 S2MPS14_BUCK4_START_SEL), 688 regulator_desc_s2mps14_buck(5, MIN_600_MV, STEP_6_25_MV, 689 S2MPS14_BUCK1235_START_SEL), 690 }; 691 692 static const struct regulator_ops s2mps15_reg_ldo_ops = { 693 .list_voltage = regulator_list_voltage_linear_range, 694 .map_voltage = regulator_map_voltage_linear_range, 695 .is_enabled = regulator_is_enabled_regmap, 696 .enable = regulator_enable_regmap, 697 .disable = regulator_disable_regmap, 698 .get_voltage_sel = regulator_get_voltage_sel_regmap, 699 .set_voltage_sel = regulator_set_voltage_sel_regmap, 700 }; 701 702 static const struct regulator_ops s2mps15_reg_buck_ops = { 703 .list_voltage = regulator_list_voltage_linear_range, 704 .map_voltage = regulator_map_voltage_linear_range, 705 .is_enabled = regulator_is_enabled_regmap, 706 .enable = regulator_enable_regmap, 707 .disable = regulator_disable_regmap, 708 .get_voltage_sel = regulator_get_voltage_sel_regmap, 709 .set_voltage_sel = regulator_set_voltage_sel_regmap, 710 .set_voltage_time_sel = regulator_set_voltage_time_sel, 711 }; 712 713 #define regulator_desc_s2mps15_ldo(num, range) { \ 714 .name = "LDO"#num, \ 715 .id = S2MPS15_LDO##num, \ 716 .ops = &s2mps15_reg_ldo_ops, \ 717 .type = REGULATOR_VOLTAGE, \ 718 .owner = THIS_MODULE, \ 719 .linear_ranges = range, \ 720 .n_linear_ranges = ARRAY_SIZE(range), \ 721 .n_voltages = S2MPS15_LDO_N_VOLTAGES, \ 722 .vsel_reg = S2MPS15_REG_L1CTRL + num - 1, \ 723 .vsel_mask = S2MPS15_LDO_VSEL_MASK, \ 724 .enable_reg = S2MPS15_REG_L1CTRL + num - 1, \ 725 .enable_mask = S2MPS15_ENABLE_MASK \ 726 } 727 728 #define regulator_desc_s2mps15_buck(num, range) { \ 729 .name = "BUCK"#num, \ 730 .id = S2MPS15_BUCK##num, \ 731 .ops = &s2mps15_reg_buck_ops, \ 732 .type = REGULATOR_VOLTAGE, \ 733 .owner = THIS_MODULE, \ 734 .linear_ranges = range, \ 735 .n_linear_ranges = ARRAY_SIZE(range), \ 736 .ramp_delay = 12500, \ 737 .n_voltages = S2MPS15_BUCK_N_VOLTAGES, \ 738 .vsel_reg = S2MPS15_REG_B1CTRL2 + ((num - 1) * 2), \ 739 .vsel_mask = S2MPS15_BUCK_VSEL_MASK, \ 740 .enable_reg = S2MPS15_REG_B1CTRL1 + ((num - 1) * 2), \ 741 .enable_mask = S2MPS15_ENABLE_MASK \ 742 } 743 744 /* voltage range for s2mps15 LDO 3, 5, 15, 16, 18, 20, 23 and 27 */ 745 static const struct regulator_linear_range s2mps15_ldo_voltage_ranges1[] = { 746 REGULATOR_LINEAR_RANGE(1000000, 0xc, 0x38, 25000), 747 }; 748 749 /* voltage range for s2mps15 LDO 2, 6, 14, 17, 19, 21, 24 and 25 */ 750 static const struct regulator_linear_range s2mps15_ldo_voltage_ranges2[] = { 751 REGULATOR_LINEAR_RANGE(1800000, 0x0, 0x3f, 25000), 752 }; 753 754 /* voltage range for s2mps15 LDO 4, 11, 12, 13, 22 and 26 */ 755 static const struct regulator_linear_range s2mps15_ldo_voltage_ranges3[] = { 756 REGULATOR_LINEAR_RANGE(700000, 0x0, 0x34, 12500), 757 }; 758 759 /* voltage range for s2mps15 LDO 7, 8, 9 and 10 */ 760 static const struct regulator_linear_range s2mps15_ldo_voltage_ranges4[] = { 761 REGULATOR_LINEAR_RANGE(700000, 0x10, 0x20, 25000), 762 }; 763 764 /* voltage range for s2mps15 LDO 1 */ 765 static const struct regulator_linear_range s2mps15_ldo_voltage_ranges5[] = { 766 REGULATOR_LINEAR_RANGE(500000, 0x0, 0x20, 12500), 767 }; 768 769 /* voltage range for s2mps15 BUCK 1, 2, 3, 4, 5, 6 and 7 */ 770 static const struct regulator_linear_range s2mps15_buck_voltage_ranges1[] = { 771 REGULATOR_LINEAR_RANGE(500000, 0x20, 0xc0, 6250), 772 }; 773 774 /* voltage range for s2mps15 BUCK 8, 9 and 10 */ 775 static const struct regulator_linear_range s2mps15_buck_voltage_ranges2[] = { 776 REGULATOR_LINEAR_RANGE(1000000, 0x20, 0x78, 12500), 777 }; 778 779 static const struct regulator_desc s2mps15_regulators[] = { 780 regulator_desc_s2mps15_ldo(1, s2mps15_ldo_voltage_ranges5), 781 regulator_desc_s2mps15_ldo(2, s2mps15_ldo_voltage_ranges2), 782 regulator_desc_s2mps15_ldo(3, s2mps15_ldo_voltage_ranges1), 783 regulator_desc_s2mps15_ldo(4, s2mps15_ldo_voltage_ranges3), 784 regulator_desc_s2mps15_ldo(5, s2mps15_ldo_voltage_ranges1), 785 regulator_desc_s2mps15_ldo(6, s2mps15_ldo_voltage_ranges2), 786 regulator_desc_s2mps15_ldo(7, s2mps15_ldo_voltage_ranges4), 787 regulator_desc_s2mps15_ldo(8, s2mps15_ldo_voltage_ranges4), 788 regulator_desc_s2mps15_ldo(9, s2mps15_ldo_voltage_ranges4), 789 regulator_desc_s2mps15_ldo(10, s2mps15_ldo_voltage_ranges4), 790 regulator_desc_s2mps15_ldo(11, s2mps15_ldo_voltage_ranges3), 791 regulator_desc_s2mps15_ldo(12, s2mps15_ldo_voltage_ranges3), 792 regulator_desc_s2mps15_ldo(13, s2mps15_ldo_voltage_ranges3), 793 regulator_desc_s2mps15_ldo(14, s2mps15_ldo_voltage_ranges2), 794 regulator_desc_s2mps15_ldo(15, s2mps15_ldo_voltage_ranges1), 795 regulator_desc_s2mps15_ldo(16, s2mps15_ldo_voltage_ranges1), 796 regulator_desc_s2mps15_ldo(17, s2mps15_ldo_voltage_ranges2), 797 regulator_desc_s2mps15_ldo(18, s2mps15_ldo_voltage_ranges1), 798 regulator_desc_s2mps15_ldo(19, s2mps15_ldo_voltage_ranges2), 799 regulator_desc_s2mps15_ldo(20, s2mps15_ldo_voltage_ranges1), 800 regulator_desc_s2mps15_ldo(21, s2mps15_ldo_voltage_ranges2), 801 regulator_desc_s2mps15_ldo(22, s2mps15_ldo_voltage_ranges3), 802 regulator_desc_s2mps15_ldo(23, s2mps15_ldo_voltage_ranges1), 803 regulator_desc_s2mps15_ldo(24, s2mps15_ldo_voltage_ranges2), 804 regulator_desc_s2mps15_ldo(25, s2mps15_ldo_voltage_ranges2), 805 regulator_desc_s2mps15_ldo(26, s2mps15_ldo_voltage_ranges3), 806 regulator_desc_s2mps15_ldo(27, s2mps15_ldo_voltage_ranges1), 807 regulator_desc_s2mps15_buck(1, s2mps15_buck_voltage_ranges1), 808 regulator_desc_s2mps15_buck(2, s2mps15_buck_voltage_ranges1), 809 regulator_desc_s2mps15_buck(3, s2mps15_buck_voltage_ranges1), 810 regulator_desc_s2mps15_buck(4, s2mps15_buck_voltage_ranges1), 811 regulator_desc_s2mps15_buck(5, s2mps15_buck_voltage_ranges1), 812 regulator_desc_s2mps15_buck(6, s2mps15_buck_voltage_ranges1), 813 regulator_desc_s2mps15_buck(7, s2mps15_buck_voltage_ranges1), 814 regulator_desc_s2mps15_buck(8, s2mps15_buck_voltage_ranges2), 815 regulator_desc_s2mps15_buck(9, s2mps15_buck_voltage_ranges2), 816 regulator_desc_s2mps15_buck(10, s2mps15_buck_voltage_ranges2), 817 }; 818 819 static int s2mps14_pmic_enable_ext_control(struct s2mps11_info *s2mps11, 820 struct regulator_dev *rdev) 821 { 822 return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, 823 rdev->desc->enable_mask, S2MPS14_ENABLE_EXT_CONTROL); 824 } 825 826 static void s2mps14_pmic_dt_parse_ext_control_gpio(struct platform_device *pdev, 827 struct of_regulator_match *rdata, struct s2mps11_info *s2mps11) 828 { 829 struct gpio_desc **gpio = s2mps11->ext_control_gpiod; 830 unsigned int i; 831 unsigned int valid_regulators[3] = { S2MPS14_LDO10, S2MPS14_LDO11, 832 S2MPS14_LDO12 }; 833 834 for (i = 0; i < ARRAY_SIZE(valid_regulators); i++) { 835 unsigned int reg = valid_regulators[i]; 836 837 if (!rdata[reg].init_data || !rdata[reg].of_node) 838 continue; 839 840 gpio[reg] = devm_gpiod_get_from_of_node(&pdev->dev, 841 rdata[reg].of_node, 842 "samsung,ext-control-gpios", 843 0, 844 GPIOD_OUT_HIGH | GPIOD_FLAGS_BIT_NONEXCLUSIVE, 845 "s2mps11-regulator"); 846 if (IS_ERR(gpio[reg])) { 847 dev_err(&pdev->dev, "Failed to get control GPIO for %d/%s\n", 848 reg, rdata[reg].name); 849 continue; 850 } 851 if (gpio[reg]) 852 dev_dbg(&pdev->dev, "Using GPIO for ext-control over %d/%s\n", 853 reg, rdata[reg].name); 854 } 855 } 856 857 static int s2mps11_pmic_dt_parse(struct platform_device *pdev, 858 struct of_regulator_match *rdata, struct s2mps11_info *s2mps11, 859 unsigned int rdev_num) 860 { 861 struct device_node *reg_np; 862 863 reg_np = of_get_child_by_name(pdev->dev.parent->of_node, "regulators"); 864 if (!reg_np) { 865 dev_err(&pdev->dev, "could not find regulators sub-node\n"); 866 return -EINVAL; 867 } 868 869 of_regulator_match(&pdev->dev, reg_np, rdata, rdev_num); 870 if (s2mps11->dev_type == S2MPS14X) 871 s2mps14_pmic_dt_parse_ext_control_gpio(pdev, rdata, s2mps11); 872 873 of_node_put(reg_np); 874 875 return 0; 876 } 877 878 static int s2mpu02_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) 879 { 880 unsigned int ramp_val, ramp_shift, ramp_reg; 881 int rdev_id = rdev_get_id(rdev); 882 883 switch (rdev_id) { 884 case S2MPU02_BUCK1: 885 ramp_shift = S2MPU02_BUCK1_RAMP_SHIFT; 886 break; 887 case S2MPU02_BUCK2: 888 ramp_shift = S2MPU02_BUCK2_RAMP_SHIFT; 889 break; 890 case S2MPU02_BUCK3: 891 ramp_shift = S2MPU02_BUCK3_RAMP_SHIFT; 892 break; 893 case S2MPU02_BUCK4: 894 ramp_shift = S2MPU02_BUCK4_RAMP_SHIFT; 895 break; 896 default: 897 return 0; 898 } 899 ramp_reg = S2MPU02_REG_RAMP1; 900 ramp_val = get_ramp_delay(ramp_delay); 901 902 return regmap_update_bits(rdev->regmap, ramp_reg, 903 S2MPU02_BUCK1234_RAMP_MASK << ramp_shift, 904 ramp_val << ramp_shift); 905 } 906 907 static const struct regulator_ops s2mpu02_ldo_ops = { 908 .list_voltage = regulator_list_voltage_linear, 909 .map_voltage = regulator_map_voltage_linear, 910 .is_enabled = regulator_is_enabled_regmap, 911 .enable = s2mps11_regulator_enable, 912 .disable = regulator_disable_regmap, 913 .get_voltage_sel = regulator_get_voltage_sel_regmap, 914 .set_voltage_sel = regulator_set_voltage_sel_regmap, 915 .set_voltage_time_sel = regulator_set_voltage_time_sel, 916 .set_suspend_disable = s2mps11_regulator_set_suspend_disable, 917 }; 918 919 static const struct regulator_ops s2mpu02_buck_ops = { 920 .list_voltage = regulator_list_voltage_linear, 921 .map_voltage = regulator_map_voltage_linear, 922 .is_enabled = regulator_is_enabled_regmap, 923 .enable = s2mps11_regulator_enable, 924 .disable = regulator_disable_regmap, 925 .get_voltage_sel = regulator_get_voltage_sel_regmap, 926 .set_voltage_sel = regulator_set_voltage_sel_regmap, 927 .set_voltage_time_sel = regulator_set_voltage_time_sel, 928 .set_suspend_disable = s2mps11_regulator_set_suspend_disable, 929 .set_ramp_delay = s2mpu02_set_ramp_delay, 930 }; 931 932 #define regulator_desc_s2mpu02_ldo1(num) { \ 933 .name = "LDO"#num, \ 934 .id = S2MPU02_LDO##num, \ 935 .ops = &s2mpu02_ldo_ops, \ 936 .type = REGULATOR_VOLTAGE, \ 937 .owner = THIS_MODULE, \ 938 .min_uV = S2MPU02_LDO_MIN_900MV, \ 939 .uV_step = S2MPU02_LDO_STEP_12_5MV, \ 940 .linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \ 941 .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ 942 .vsel_reg = S2MPU02_REG_L1CTRL, \ 943 .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ 944 .enable_reg = S2MPU02_REG_L1CTRL, \ 945 .enable_mask = S2MPU02_ENABLE_MASK \ 946 } 947 #define regulator_desc_s2mpu02_ldo2(num) { \ 948 .name = "LDO"#num, \ 949 .id = S2MPU02_LDO##num, \ 950 .ops = &s2mpu02_ldo_ops, \ 951 .type = REGULATOR_VOLTAGE, \ 952 .owner = THIS_MODULE, \ 953 .min_uV = S2MPU02_LDO_MIN_1050MV, \ 954 .uV_step = S2MPU02_LDO_STEP_25MV, \ 955 .linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \ 956 .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ 957 .vsel_reg = S2MPU02_REG_L2CTRL1, \ 958 .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ 959 .enable_reg = S2MPU02_REG_L2CTRL1, \ 960 .enable_mask = S2MPU02_ENABLE_MASK \ 961 } 962 #define regulator_desc_s2mpu02_ldo3(num) { \ 963 .name = "LDO"#num, \ 964 .id = S2MPU02_LDO##num, \ 965 .ops = &s2mpu02_ldo_ops, \ 966 .type = REGULATOR_VOLTAGE, \ 967 .owner = THIS_MODULE, \ 968 .min_uV = S2MPU02_LDO_MIN_900MV, \ 969 .uV_step = S2MPU02_LDO_STEP_12_5MV, \ 970 .linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \ 971 .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ 972 .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \ 973 .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ 974 .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \ 975 .enable_mask = S2MPU02_ENABLE_MASK \ 976 } 977 #define regulator_desc_s2mpu02_ldo4(num) { \ 978 .name = "LDO"#num, \ 979 .id = S2MPU02_LDO##num, \ 980 .ops = &s2mpu02_ldo_ops, \ 981 .type = REGULATOR_VOLTAGE, \ 982 .owner = THIS_MODULE, \ 983 .min_uV = S2MPU02_LDO_MIN_1050MV, \ 984 .uV_step = S2MPU02_LDO_STEP_25MV, \ 985 .linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \ 986 .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ 987 .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \ 988 .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ 989 .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \ 990 .enable_mask = S2MPU02_ENABLE_MASK \ 991 } 992 #define regulator_desc_s2mpu02_ldo5(num) { \ 993 .name = "LDO"#num, \ 994 .id = S2MPU02_LDO##num, \ 995 .ops = &s2mpu02_ldo_ops, \ 996 .type = REGULATOR_VOLTAGE, \ 997 .owner = THIS_MODULE, \ 998 .min_uV = S2MPU02_LDO_MIN_1600MV, \ 999 .uV_step = S2MPU02_LDO_STEP_50MV, \ 1000 .linear_min_sel = S2MPU02_LDO_GROUP3_START_SEL, \ 1001 .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ 1002 .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \ 1003 .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ 1004 .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \ 1005 .enable_mask = S2MPU02_ENABLE_MASK \ 1006 } 1007 1008 #define regulator_desc_s2mpu02_buck1234(num) { \ 1009 .name = "BUCK"#num, \ 1010 .id = S2MPU02_BUCK##num, \ 1011 .ops = &s2mpu02_buck_ops, \ 1012 .type = REGULATOR_VOLTAGE, \ 1013 .owner = THIS_MODULE, \ 1014 .min_uV = S2MPU02_BUCK1234_MIN_600MV, \ 1015 .uV_step = S2MPU02_BUCK1234_STEP_6_25MV, \ 1016 .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \ 1017 .linear_min_sel = S2MPU02_BUCK1234_START_SEL, \ 1018 .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \ 1019 .vsel_reg = S2MPU02_REG_B1CTRL2 + (num - 1) * 2, \ 1020 .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \ 1021 .enable_reg = S2MPU02_REG_B1CTRL1 + (num - 1) * 2, \ 1022 .enable_mask = S2MPU02_ENABLE_MASK \ 1023 } 1024 #define regulator_desc_s2mpu02_buck5(num) { \ 1025 .name = "BUCK"#num, \ 1026 .id = S2MPU02_BUCK##num, \ 1027 .ops = &s2mpu02_ldo_ops, \ 1028 .type = REGULATOR_VOLTAGE, \ 1029 .owner = THIS_MODULE, \ 1030 .min_uV = S2MPU02_BUCK5_MIN_1081_25MV, \ 1031 .uV_step = S2MPU02_BUCK5_STEP_6_25MV, \ 1032 .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \ 1033 .linear_min_sel = S2MPU02_BUCK5_START_SEL, \ 1034 .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \ 1035 .vsel_reg = S2MPU02_REG_B5CTRL2, \ 1036 .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \ 1037 .enable_reg = S2MPU02_REG_B5CTRL1, \ 1038 .enable_mask = S2MPU02_ENABLE_MASK \ 1039 } 1040 #define regulator_desc_s2mpu02_buck6(num) { \ 1041 .name = "BUCK"#num, \ 1042 .id = S2MPU02_BUCK##num, \ 1043 .ops = &s2mpu02_ldo_ops, \ 1044 .type = REGULATOR_VOLTAGE, \ 1045 .owner = THIS_MODULE, \ 1046 .min_uV = S2MPU02_BUCK6_MIN_1700MV, \ 1047 .uV_step = S2MPU02_BUCK6_STEP_2_50MV, \ 1048 .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \ 1049 .linear_min_sel = S2MPU02_BUCK6_START_SEL, \ 1050 .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \ 1051 .vsel_reg = S2MPU02_REG_B6CTRL2, \ 1052 .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \ 1053 .enable_reg = S2MPU02_REG_B6CTRL1, \ 1054 .enable_mask = S2MPU02_ENABLE_MASK \ 1055 } 1056 #define regulator_desc_s2mpu02_buck7(num) { \ 1057 .name = "BUCK"#num, \ 1058 .id = S2MPU02_BUCK##num, \ 1059 .ops = &s2mpu02_ldo_ops, \ 1060 .type = REGULATOR_VOLTAGE, \ 1061 .owner = THIS_MODULE, \ 1062 .min_uV = S2MPU02_BUCK7_MIN_900MV, \ 1063 .uV_step = S2MPU02_BUCK7_STEP_6_25MV, \ 1064 .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \ 1065 .linear_min_sel = S2MPU02_BUCK7_START_SEL, \ 1066 .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \ 1067 .vsel_reg = S2MPU02_REG_B7CTRL2, \ 1068 .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \ 1069 .enable_reg = S2MPU02_REG_B7CTRL1, \ 1070 .enable_mask = S2MPU02_ENABLE_MASK \ 1071 } 1072 1073 static const struct regulator_desc s2mpu02_regulators[] = { 1074 regulator_desc_s2mpu02_ldo1(1), 1075 regulator_desc_s2mpu02_ldo2(2), 1076 regulator_desc_s2mpu02_ldo4(3), 1077 regulator_desc_s2mpu02_ldo5(4), 1078 regulator_desc_s2mpu02_ldo4(5), 1079 regulator_desc_s2mpu02_ldo3(6), 1080 regulator_desc_s2mpu02_ldo3(7), 1081 regulator_desc_s2mpu02_ldo4(8), 1082 regulator_desc_s2mpu02_ldo5(9), 1083 regulator_desc_s2mpu02_ldo3(10), 1084 regulator_desc_s2mpu02_ldo4(11), 1085 regulator_desc_s2mpu02_ldo5(12), 1086 regulator_desc_s2mpu02_ldo5(13), 1087 regulator_desc_s2mpu02_ldo5(14), 1088 regulator_desc_s2mpu02_ldo5(15), 1089 regulator_desc_s2mpu02_ldo5(16), 1090 regulator_desc_s2mpu02_ldo4(17), 1091 regulator_desc_s2mpu02_ldo5(18), 1092 regulator_desc_s2mpu02_ldo3(19), 1093 regulator_desc_s2mpu02_ldo4(20), 1094 regulator_desc_s2mpu02_ldo5(21), 1095 regulator_desc_s2mpu02_ldo5(22), 1096 regulator_desc_s2mpu02_ldo5(23), 1097 regulator_desc_s2mpu02_ldo4(24), 1098 regulator_desc_s2mpu02_ldo5(25), 1099 regulator_desc_s2mpu02_ldo4(26), 1100 regulator_desc_s2mpu02_ldo5(27), 1101 regulator_desc_s2mpu02_ldo5(28), 1102 regulator_desc_s2mpu02_buck1234(1), 1103 regulator_desc_s2mpu02_buck1234(2), 1104 regulator_desc_s2mpu02_buck1234(3), 1105 regulator_desc_s2mpu02_buck1234(4), 1106 regulator_desc_s2mpu02_buck5(5), 1107 regulator_desc_s2mpu02_buck6(6), 1108 regulator_desc_s2mpu02_buck7(7), 1109 }; 1110 1111 static int s2mps11_pmic_probe(struct platform_device *pdev) 1112 { 1113 struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent); 1114 struct sec_platform_data *pdata = NULL; 1115 struct of_regulator_match *rdata = NULL; 1116 struct regulator_config config = { }; 1117 struct s2mps11_info *s2mps11; 1118 unsigned int rdev_num = 0; 1119 int i, ret = 0; 1120 const struct regulator_desc *regulators; 1121 1122 s2mps11 = devm_kzalloc(&pdev->dev, sizeof(struct s2mps11_info), 1123 GFP_KERNEL); 1124 if (!s2mps11) 1125 return -ENOMEM; 1126 1127 s2mps11->dev_type = platform_get_device_id(pdev)->driver_data; 1128 switch (s2mps11->dev_type) { 1129 case S2MPS11X: 1130 rdev_num = ARRAY_SIZE(s2mps11_regulators); 1131 regulators = s2mps11_regulators; 1132 BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps11_regulators)); 1133 break; 1134 case S2MPS13X: 1135 rdev_num = ARRAY_SIZE(s2mps13_regulators); 1136 regulators = s2mps13_regulators; 1137 BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps13_regulators)); 1138 break; 1139 case S2MPS14X: 1140 rdev_num = ARRAY_SIZE(s2mps14_regulators); 1141 regulators = s2mps14_regulators; 1142 BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps14_regulators)); 1143 break; 1144 case S2MPS15X: 1145 rdev_num = ARRAY_SIZE(s2mps15_regulators); 1146 regulators = s2mps15_regulators; 1147 BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps15_regulators)); 1148 break; 1149 case S2MPU02: 1150 rdev_num = ARRAY_SIZE(s2mpu02_regulators); 1151 regulators = s2mpu02_regulators; 1152 BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mpu02_regulators)); 1153 break; 1154 default: 1155 dev_err(&pdev->dev, "Invalid device type: %u\n", 1156 s2mps11->dev_type); 1157 return -EINVAL; 1158 } 1159 1160 s2mps11->ext_control_gpiod = devm_kcalloc(&pdev->dev, rdev_num, 1161 sizeof(*s2mps11->ext_control_gpiod), GFP_KERNEL); 1162 if (!s2mps11->ext_control_gpiod) 1163 return -ENOMEM; 1164 1165 if (!iodev->dev->of_node) { 1166 if (iodev->pdata) { 1167 pdata = iodev->pdata; 1168 goto common_reg; 1169 } else { 1170 dev_err(pdev->dev.parent, 1171 "Platform data or DT node not supplied\n"); 1172 return -ENODEV; 1173 } 1174 } 1175 1176 rdata = kcalloc(rdev_num, sizeof(*rdata), GFP_KERNEL); 1177 if (!rdata) 1178 return -ENOMEM; 1179 1180 for (i = 0; i < rdev_num; i++) 1181 rdata[i].name = regulators[i].name; 1182 1183 ret = s2mps11_pmic_dt_parse(pdev, rdata, s2mps11, rdev_num); 1184 if (ret) 1185 goto out; 1186 1187 common_reg: 1188 platform_set_drvdata(pdev, s2mps11); 1189 1190 config.dev = &pdev->dev; 1191 config.regmap = iodev->regmap_pmic; 1192 config.driver_data = s2mps11; 1193 for (i = 0; i < rdev_num; i++) { 1194 struct regulator_dev *regulator; 1195 1196 if (pdata) { 1197 config.init_data = pdata->regulators[i].initdata; 1198 config.of_node = pdata->regulators[i].reg_node; 1199 } else { 1200 config.init_data = rdata[i].init_data; 1201 config.of_node = rdata[i].of_node; 1202 } 1203 config.ena_gpiod = s2mps11->ext_control_gpiod[i]; 1204 /* 1205 * Hand the GPIO descriptor management over to the regulator 1206 * core, remove it from devres management. 1207 */ 1208 if (config.ena_gpiod) 1209 devm_gpiod_unhinge(&pdev->dev, config.ena_gpiod); 1210 regulator = devm_regulator_register(&pdev->dev, 1211 ®ulators[i], &config); 1212 if (IS_ERR(regulator)) { 1213 ret = PTR_ERR(regulator); 1214 dev_err(&pdev->dev, "regulator init failed for %d\n", 1215 i); 1216 goto out; 1217 } 1218 1219 if (s2mps11->ext_control_gpiod[i]) { 1220 ret = s2mps14_pmic_enable_ext_control(s2mps11, 1221 regulator); 1222 if (ret < 0) { 1223 dev_err(&pdev->dev, 1224 "failed to enable GPIO control over %s: %d\n", 1225 regulator->desc->name, ret); 1226 goto out; 1227 } 1228 } 1229 } 1230 1231 out: 1232 kfree(rdata); 1233 1234 return ret; 1235 } 1236 1237 static const struct platform_device_id s2mps11_pmic_id[] = { 1238 { "s2mps11-regulator", S2MPS11X}, 1239 { "s2mps13-regulator", S2MPS13X}, 1240 { "s2mps14-regulator", S2MPS14X}, 1241 { "s2mps15-regulator", S2MPS15X}, 1242 { "s2mpu02-regulator", S2MPU02}, 1243 { }, 1244 }; 1245 MODULE_DEVICE_TABLE(platform, s2mps11_pmic_id); 1246 1247 static struct platform_driver s2mps11_pmic_driver = { 1248 .driver = { 1249 .name = "s2mps11-pmic", 1250 }, 1251 .probe = s2mps11_pmic_probe, 1252 .id_table = s2mps11_pmic_id, 1253 }; 1254 1255 module_platform_driver(s2mps11_pmic_driver); 1256 1257 /* Module information */ 1258 MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>"); 1259 MODULE_DESCRIPTION("SAMSUNG S2MPS11/S2MPS14/S2MPS15/S2MPU02 Regulator Driver"); 1260 MODULE_LICENSE("GPL"); 1261