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/cleanup.h> 8 #include <linux/err.h> 9 #include <linux/gpio/consumer.h> 10 #include <linux/slab.h> 11 #include <linux/module.h> 12 #include <linux/of.h> 13 #include <linux/regmap.h> 14 #include <linux/platform_device.h> 15 #include <linux/regulator/driver.h> 16 #include <linux/regulator/machine.h> 17 #include <linux/regulator/of_regulator.h> 18 #include <linux/mfd/samsung/core.h> 19 #include <linux/mfd/samsung/s2mps11.h> 20 #include <linux/mfd/samsung/s2mps13.h> 21 #include <linux/mfd/samsung/s2mps14.h> 22 #include <linux/mfd/samsung/s2mps15.h> 23 #include <linux/mfd/samsung/s2mpu02.h> 24 #include <linux/mfd/samsung/s2mpu05.h> 25 26 /* The highest number of possible regulators for supported devices. */ 27 #define S2MPS_REGULATOR_MAX S2MPS13_REGULATOR_MAX 28 struct s2mps11_info { 29 int ramp_delay2; 30 int ramp_delay34; 31 int ramp_delay5; 32 int ramp_delay16; 33 int ramp_delay7810; 34 int ramp_delay9; 35 36 enum sec_device_type dev_type; 37 38 /* 39 * One bit for each S2MPS11/S2MPS13/S2MPS14/S2MPU02 regulator whether 40 * the suspend mode was enabled. 41 */ 42 DECLARE_BITMAP(suspend_state, S2MPS_REGULATOR_MAX); 43 44 /* 45 * Array (size: number of regulators) with GPIO-s for external 46 * sleep control. 47 */ 48 struct gpio_desc **ext_control_gpiod; 49 }; 50 51 static int get_ramp_delay(int ramp_delay) 52 { 53 unsigned char cnt = 0; 54 55 ramp_delay /= 6250; 56 57 while (true) { 58 ramp_delay = ramp_delay >> 1; 59 if (ramp_delay == 0) 60 break; 61 cnt++; 62 } 63 64 if (cnt > 3) 65 cnt = 3; 66 67 return cnt; 68 } 69 70 static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev, 71 unsigned int old_selector, 72 unsigned int new_selector) 73 { 74 struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); 75 int rdev_id = rdev_get_id(rdev); 76 unsigned int ramp_delay = 0; 77 int old_volt, new_volt; 78 79 switch (rdev_id) { 80 case S2MPS11_BUCK2: 81 ramp_delay = s2mps11->ramp_delay2; 82 break; 83 case S2MPS11_BUCK3: 84 case S2MPS11_BUCK4: 85 ramp_delay = s2mps11->ramp_delay34; 86 break; 87 case S2MPS11_BUCK5: 88 ramp_delay = s2mps11->ramp_delay5; 89 break; 90 case S2MPS11_BUCK6: 91 case S2MPS11_BUCK1: 92 ramp_delay = s2mps11->ramp_delay16; 93 break; 94 case S2MPS11_BUCK7: 95 case S2MPS11_BUCK8: 96 case S2MPS11_BUCK10: 97 ramp_delay = s2mps11->ramp_delay7810; 98 break; 99 case S2MPS11_BUCK9: 100 ramp_delay = s2mps11->ramp_delay9; 101 } 102 103 if (ramp_delay == 0) 104 ramp_delay = rdev->desc->ramp_delay; 105 106 old_volt = rdev->desc->min_uV + (rdev->desc->uV_step * old_selector); 107 new_volt = rdev->desc->min_uV + (rdev->desc->uV_step * new_selector); 108 109 return DIV_ROUND_UP(abs(new_volt - old_volt), ramp_delay); 110 } 111 112 static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) 113 { 114 struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); 115 unsigned int ramp_val, ramp_shift, ramp_reg = S2MPS11_REG_RAMP_BUCK; 116 unsigned int ramp_enable = 1, enable_shift = 0; 117 int rdev_id = rdev_get_id(rdev); 118 int ret; 119 120 switch (rdev_id) { 121 case S2MPS11_BUCK1: 122 if (ramp_delay > s2mps11->ramp_delay16) 123 s2mps11->ramp_delay16 = ramp_delay; 124 else 125 ramp_delay = s2mps11->ramp_delay16; 126 127 ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT; 128 break; 129 case S2MPS11_BUCK2: 130 enable_shift = S2MPS11_BUCK2_RAMP_EN_SHIFT; 131 if (!ramp_delay) { 132 ramp_enable = 0; 133 break; 134 } 135 136 s2mps11->ramp_delay2 = ramp_delay; 137 ramp_shift = S2MPS11_BUCK2_RAMP_SHIFT; 138 ramp_reg = S2MPS11_REG_RAMP; 139 break; 140 case S2MPS11_BUCK3: 141 enable_shift = S2MPS11_BUCK3_RAMP_EN_SHIFT; 142 if (!ramp_delay) { 143 ramp_enable = 0; 144 break; 145 } 146 147 if (ramp_delay > s2mps11->ramp_delay34) 148 s2mps11->ramp_delay34 = ramp_delay; 149 else 150 ramp_delay = s2mps11->ramp_delay34; 151 152 ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT; 153 ramp_reg = S2MPS11_REG_RAMP; 154 break; 155 case S2MPS11_BUCK4: 156 enable_shift = S2MPS11_BUCK4_RAMP_EN_SHIFT; 157 if (!ramp_delay) { 158 ramp_enable = 0; 159 break; 160 } 161 162 if (ramp_delay > s2mps11->ramp_delay34) 163 s2mps11->ramp_delay34 = ramp_delay; 164 else 165 ramp_delay = s2mps11->ramp_delay34; 166 167 ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT; 168 ramp_reg = S2MPS11_REG_RAMP; 169 break; 170 case S2MPS11_BUCK5: 171 s2mps11->ramp_delay5 = ramp_delay; 172 ramp_shift = S2MPS11_BUCK5_RAMP_SHIFT; 173 break; 174 case S2MPS11_BUCK6: 175 enable_shift = S2MPS11_BUCK6_RAMP_EN_SHIFT; 176 if (!ramp_delay) { 177 ramp_enable = 0; 178 break; 179 } 180 181 if (ramp_delay > s2mps11->ramp_delay16) 182 s2mps11->ramp_delay16 = ramp_delay; 183 else 184 ramp_delay = s2mps11->ramp_delay16; 185 186 ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT; 187 break; 188 case S2MPS11_BUCK7: 189 case S2MPS11_BUCK8: 190 case S2MPS11_BUCK10: 191 if (ramp_delay > s2mps11->ramp_delay7810) 192 s2mps11->ramp_delay7810 = ramp_delay; 193 else 194 ramp_delay = s2mps11->ramp_delay7810; 195 196 ramp_shift = S2MPS11_BUCK7810_RAMP_SHIFT; 197 break; 198 case S2MPS11_BUCK9: 199 s2mps11->ramp_delay9 = ramp_delay; 200 ramp_shift = S2MPS11_BUCK9_RAMP_SHIFT; 201 break; 202 default: 203 return 0; 204 } 205 206 if (!ramp_enable) 207 goto ramp_disable; 208 209 /* Ramp delay can be enabled/disabled only for buck[2346] */ 210 if ((rdev_id >= S2MPS11_BUCK2 && rdev_id <= S2MPS11_BUCK4) || 211 rdev_id == S2MPS11_BUCK6) { 212 ret = regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP, 213 1 << enable_shift, 1 << enable_shift); 214 if (ret) { 215 dev_err(&rdev->dev, "failed to enable ramp rate\n"); 216 return ret; 217 } 218 } 219 220 ramp_val = get_ramp_delay(ramp_delay); 221 222 return regmap_update_bits(rdev->regmap, ramp_reg, 0x3 << ramp_shift, 223 ramp_val << ramp_shift); 224 225 ramp_disable: 226 return regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP, 227 1 << enable_shift, 0); 228 } 229 230 static int s2mps11_regulator_enable(struct regulator_dev *rdev) 231 { 232 struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); 233 int rdev_id = rdev_get_id(rdev); 234 unsigned int val; 235 236 switch (s2mps11->dev_type) { 237 case S2MPS11X: 238 if (test_bit(rdev_id, s2mps11->suspend_state)) 239 val = S2MPS14_ENABLE_SUSPEND; 240 else 241 val = rdev->desc->enable_mask; 242 break; 243 case S2MPS13X: 244 case S2MPS14X: 245 if (test_bit(rdev_id, s2mps11->suspend_state)) 246 val = S2MPS14_ENABLE_SUSPEND; 247 else if (s2mps11->ext_control_gpiod[rdev_id]) 248 val = S2MPS14_ENABLE_EXT_CONTROL; 249 else 250 val = rdev->desc->enable_mask; 251 break; 252 case S2MPU02: 253 if (test_bit(rdev_id, s2mps11->suspend_state)) 254 val = S2MPU02_ENABLE_SUSPEND; 255 else 256 val = rdev->desc->enable_mask; 257 break; 258 case S2MPU05: 259 val = rdev->desc->enable_mask; 260 break; 261 default: 262 return -EINVAL; 263 } 264 265 return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, 266 rdev->desc->enable_mask, val); 267 } 268 269 static int s2mps11_regulator_set_suspend_disable(struct regulator_dev *rdev) 270 { 271 int ret; 272 unsigned int val, state; 273 struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); 274 int rdev_id = rdev_get_id(rdev); 275 276 /* Below LDO should be always on or does not support suspend mode. */ 277 switch (s2mps11->dev_type) { 278 case S2MPS11X: 279 switch (rdev_id) { 280 case S2MPS11_LDO2: 281 case S2MPS11_LDO36: 282 case S2MPS11_LDO37: 283 case S2MPS11_LDO38: 284 return 0; 285 default: 286 state = S2MPS14_ENABLE_SUSPEND; 287 break; 288 } 289 break; 290 case S2MPS13X: 291 case S2MPS14X: 292 switch (rdev_id) { 293 case S2MPS14_LDO3: 294 return 0; 295 default: 296 state = S2MPS14_ENABLE_SUSPEND; 297 break; 298 } 299 break; 300 case S2MPU02: 301 switch (rdev_id) { 302 case S2MPU02_LDO13: 303 case S2MPU02_LDO14: 304 case S2MPU02_LDO15: 305 case S2MPU02_LDO17: 306 case S2MPU02_BUCK7: 307 state = S2MPU02_DISABLE_SUSPEND; 308 break; 309 default: 310 state = S2MPU02_ENABLE_SUSPEND; 311 break; 312 } 313 break; 314 default: 315 return -EINVAL; 316 } 317 318 ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val); 319 if (ret < 0) 320 return ret; 321 322 set_bit(rdev_id, s2mps11->suspend_state); 323 /* 324 * Don't enable suspend mode if regulator is already disabled because 325 * this would effectively for a short time turn on the regulator after 326 * resuming. 327 * However we still want to toggle the suspend_state bit for regulator 328 * in case if it got enabled before suspending the system. 329 */ 330 if (!(val & rdev->desc->enable_mask)) 331 return 0; 332 333 return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, 334 rdev->desc->enable_mask, state); 335 } 336 337 static const struct regulator_ops s2mps11_ldo_ops = { 338 .list_voltage = regulator_list_voltage_linear, 339 .map_voltage = regulator_map_voltage_linear, 340 .is_enabled = regulator_is_enabled_regmap, 341 .enable = s2mps11_regulator_enable, 342 .disable = regulator_disable_regmap, 343 .get_voltage_sel = regulator_get_voltage_sel_regmap, 344 .set_voltage_sel = regulator_set_voltage_sel_regmap, 345 .set_voltage_time_sel = regulator_set_voltage_time_sel, 346 .set_suspend_disable = s2mps11_regulator_set_suspend_disable, 347 }; 348 349 static const struct regulator_ops s2mps11_buck_ops = { 350 .list_voltage = regulator_list_voltage_linear, 351 .map_voltage = regulator_map_voltage_linear, 352 .is_enabled = regulator_is_enabled_regmap, 353 .enable = s2mps11_regulator_enable, 354 .disable = regulator_disable_regmap, 355 .get_voltage_sel = regulator_get_voltage_sel_regmap, 356 .set_voltage_sel = regulator_set_voltage_sel_regmap, 357 .set_voltage_time_sel = s2mps11_regulator_set_voltage_time_sel, 358 .set_ramp_delay = s2mps11_set_ramp_delay, 359 .set_suspend_disable = s2mps11_regulator_set_suspend_disable, 360 }; 361 362 #define regulator_desc_s2mps11_ldo(num, step) { \ 363 .name = "LDO"#num, \ 364 .id = S2MPS11_LDO##num, \ 365 .ops = &s2mps11_ldo_ops, \ 366 .type = REGULATOR_VOLTAGE, \ 367 .owner = THIS_MODULE, \ 368 .ramp_delay = RAMP_DELAY_12_MVUS, \ 369 .min_uV = MIN_800_MV, \ 370 .uV_step = step, \ 371 .n_voltages = S2MPS11_LDO_N_VOLTAGES, \ 372 .vsel_reg = S2MPS11_REG_L1CTRL + num - 1, \ 373 .vsel_mask = S2MPS11_LDO_VSEL_MASK, \ 374 .enable_reg = S2MPS11_REG_L1CTRL + num - 1, \ 375 .enable_mask = S2MPS11_ENABLE_MASK \ 376 } 377 378 #define regulator_desc_s2mps11_buck1_4(num) { \ 379 .name = "BUCK"#num, \ 380 .id = S2MPS11_BUCK##num, \ 381 .ops = &s2mps11_buck_ops, \ 382 .type = REGULATOR_VOLTAGE, \ 383 .owner = THIS_MODULE, \ 384 .min_uV = MIN_650_MV, \ 385 .uV_step = STEP_6_25_MV, \ 386 .linear_min_sel = 8, \ 387 .n_voltages = S2MPS11_BUCK12346_N_VOLTAGES, \ 388 .ramp_delay = S2MPS11_RAMP_DELAY, \ 389 .vsel_reg = S2MPS11_REG_B1CTRL2 + (num - 1) * 2, \ 390 .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ 391 .enable_reg = S2MPS11_REG_B1CTRL1 + (num - 1) * 2, \ 392 .enable_mask = S2MPS11_ENABLE_MASK \ 393 } 394 395 #define regulator_desc_s2mps11_buck5 { \ 396 .name = "BUCK5", \ 397 .id = S2MPS11_BUCK5, \ 398 .ops = &s2mps11_buck_ops, \ 399 .type = REGULATOR_VOLTAGE, \ 400 .owner = THIS_MODULE, \ 401 .min_uV = MIN_650_MV, \ 402 .uV_step = STEP_6_25_MV, \ 403 .linear_min_sel = 8, \ 404 .n_voltages = S2MPS11_BUCK5_N_VOLTAGES, \ 405 .ramp_delay = S2MPS11_RAMP_DELAY, \ 406 .vsel_reg = S2MPS11_REG_B5CTRL2, \ 407 .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ 408 .enable_reg = S2MPS11_REG_B5CTRL1, \ 409 .enable_mask = S2MPS11_ENABLE_MASK \ 410 } 411 412 #define regulator_desc_s2mps11_buck67810(num, min, step, min_sel, voltages) { \ 413 .name = "BUCK"#num, \ 414 .id = S2MPS11_BUCK##num, \ 415 .ops = &s2mps11_buck_ops, \ 416 .type = REGULATOR_VOLTAGE, \ 417 .owner = THIS_MODULE, \ 418 .min_uV = min, \ 419 .uV_step = step, \ 420 .linear_min_sel = min_sel, \ 421 .n_voltages = voltages, \ 422 .ramp_delay = S2MPS11_RAMP_DELAY, \ 423 .vsel_reg = S2MPS11_REG_B6CTRL2 + (num - 6) * 2, \ 424 .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ 425 .enable_reg = S2MPS11_REG_B6CTRL1 + (num - 6) * 2, \ 426 .enable_mask = S2MPS11_ENABLE_MASK \ 427 } 428 429 #define regulator_desc_s2mps11_buck9 { \ 430 .name = "BUCK9", \ 431 .id = S2MPS11_BUCK9, \ 432 .ops = &s2mps11_buck_ops, \ 433 .type = REGULATOR_VOLTAGE, \ 434 .owner = THIS_MODULE, \ 435 .min_uV = MIN_3000_MV, \ 436 .uV_step = STEP_25_MV, \ 437 .n_voltages = S2MPS11_BUCK9_N_VOLTAGES, \ 438 .ramp_delay = S2MPS11_RAMP_DELAY, \ 439 .vsel_reg = S2MPS11_REG_B9CTRL2, \ 440 .vsel_mask = S2MPS11_BUCK9_VSEL_MASK, \ 441 .enable_reg = S2MPS11_REG_B9CTRL1, \ 442 .enable_mask = S2MPS11_ENABLE_MASK \ 443 } 444 445 static const struct regulator_desc s2mps11_regulators[] = { 446 regulator_desc_s2mps11_ldo(1, STEP_25_MV), 447 regulator_desc_s2mps11_ldo(2, STEP_50_MV), 448 regulator_desc_s2mps11_ldo(3, STEP_50_MV), 449 regulator_desc_s2mps11_ldo(4, STEP_50_MV), 450 regulator_desc_s2mps11_ldo(5, STEP_50_MV), 451 regulator_desc_s2mps11_ldo(6, STEP_25_MV), 452 regulator_desc_s2mps11_ldo(7, STEP_50_MV), 453 regulator_desc_s2mps11_ldo(8, STEP_50_MV), 454 regulator_desc_s2mps11_ldo(9, STEP_50_MV), 455 regulator_desc_s2mps11_ldo(10, STEP_50_MV), 456 regulator_desc_s2mps11_ldo(11, STEP_25_MV), 457 regulator_desc_s2mps11_ldo(12, STEP_50_MV), 458 regulator_desc_s2mps11_ldo(13, STEP_50_MV), 459 regulator_desc_s2mps11_ldo(14, STEP_50_MV), 460 regulator_desc_s2mps11_ldo(15, STEP_50_MV), 461 regulator_desc_s2mps11_ldo(16, STEP_50_MV), 462 regulator_desc_s2mps11_ldo(17, STEP_50_MV), 463 regulator_desc_s2mps11_ldo(18, STEP_50_MV), 464 regulator_desc_s2mps11_ldo(19, STEP_50_MV), 465 regulator_desc_s2mps11_ldo(20, STEP_50_MV), 466 regulator_desc_s2mps11_ldo(21, STEP_50_MV), 467 regulator_desc_s2mps11_ldo(22, STEP_25_MV), 468 regulator_desc_s2mps11_ldo(23, STEP_25_MV), 469 regulator_desc_s2mps11_ldo(24, STEP_50_MV), 470 regulator_desc_s2mps11_ldo(25, STEP_50_MV), 471 regulator_desc_s2mps11_ldo(26, STEP_50_MV), 472 regulator_desc_s2mps11_ldo(27, STEP_25_MV), 473 regulator_desc_s2mps11_ldo(28, STEP_50_MV), 474 regulator_desc_s2mps11_ldo(29, STEP_50_MV), 475 regulator_desc_s2mps11_ldo(30, STEP_50_MV), 476 regulator_desc_s2mps11_ldo(31, STEP_50_MV), 477 regulator_desc_s2mps11_ldo(32, STEP_50_MV), 478 regulator_desc_s2mps11_ldo(33, STEP_50_MV), 479 regulator_desc_s2mps11_ldo(34, STEP_50_MV), 480 regulator_desc_s2mps11_ldo(35, STEP_25_MV), 481 regulator_desc_s2mps11_ldo(36, STEP_50_MV), 482 regulator_desc_s2mps11_ldo(37, STEP_50_MV), 483 regulator_desc_s2mps11_ldo(38, STEP_50_MV), 484 regulator_desc_s2mps11_buck1_4(1), 485 regulator_desc_s2mps11_buck1_4(2), 486 regulator_desc_s2mps11_buck1_4(3), 487 regulator_desc_s2mps11_buck1_4(4), 488 regulator_desc_s2mps11_buck5, 489 regulator_desc_s2mps11_buck67810(6, MIN_650_MV, STEP_6_25_MV, 8, 490 S2MPS11_BUCK12346_N_VOLTAGES), 491 regulator_desc_s2mps11_buck67810(7, MIN_750_MV, STEP_12_5_MV, 0, 492 S2MPS11_BUCK7810_N_VOLTAGES), 493 regulator_desc_s2mps11_buck67810(8, MIN_750_MV, STEP_12_5_MV, 0, 494 S2MPS11_BUCK7810_N_VOLTAGES), 495 regulator_desc_s2mps11_buck9, 496 regulator_desc_s2mps11_buck67810(10, MIN_750_MV, STEP_12_5_MV, 0, 497 S2MPS11_BUCK7810_N_VOLTAGES), 498 }; 499 500 static const struct regulator_ops s2mps14_reg_ops; 501 502 #define regulator_desc_s2mps13_ldo(num, min, step, min_sel) { \ 503 .name = "LDO"#num, \ 504 .id = S2MPS13_LDO##num, \ 505 .ops = &s2mps14_reg_ops, \ 506 .type = REGULATOR_VOLTAGE, \ 507 .owner = THIS_MODULE, \ 508 .min_uV = min, \ 509 .uV_step = step, \ 510 .linear_min_sel = min_sel, \ 511 .n_voltages = S2MPS14_LDO_N_VOLTAGES, \ 512 .vsel_reg = S2MPS13_REG_L1CTRL + num - 1, \ 513 .vsel_mask = S2MPS14_LDO_VSEL_MASK, \ 514 .enable_reg = S2MPS13_REG_L1CTRL + num - 1, \ 515 .enable_mask = S2MPS14_ENABLE_MASK \ 516 } 517 518 #define regulator_desc_s2mps13_buck(num, min, step, min_sel) { \ 519 .name = "BUCK"#num, \ 520 .id = S2MPS13_BUCK##num, \ 521 .ops = &s2mps14_reg_ops, \ 522 .type = REGULATOR_VOLTAGE, \ 523 .owner = THIS_MODULE, \ 524 .min_uV = min, \ 525 .uV_step = step, \ 526 .linear_min_sel = min_sel, \ 527 .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \ 528 .ramp_delay = S2MPS13_BUCK_RAMP_DELAY, \ 529 .vsel_reg = S2MPS13_REG_B1OUT + (num - 1) * 2, \ 530 .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \ 531 .enable_reg = S2MPS13_REG_B1CTRL + (num - 1) * 2, \ 532 .enable_mask = S2MPS14_ENABLE_MASK \ 533 } 534 535 #define regulator_desc_s2mps13_buck7(num, min, step, min_sel) { \ 536 .name = "BUCK"#num, \ 537 .id = S2MPS13_BUCK##num, \ 538 .ops = &s2mps14_reg_ops, \ 539 .type = REGULATOR_VOLTAGE, \ 540 .owner = THIS_MODULE, \ 541 .min_uV = min, \ 542 .uV_step = step, \ 543 .linear_min_sel = min_sel, \ 544 .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \ 545 .ramp_delay = S2MPS13_BUCK_RAMP_DELAY, \ 546 .vsel_reg = S2MPS13_REG_B1OUT + (num) * 2 - 1, \ 547 .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \ 548 .enable_reg = S2MPS13_REG_B1CTRL + (num - 1) * 2, \ 549 .enable_mask = S2MPS14_ENABLE_MASK \ 550 } 551 552 #define regulator_desc_s2mps13_buck8_10(num, min, step, min_sel) { \ 553 .name = "BUCK"#num, \ 554 .id = S2MPS13_BUCK##num, \ 555 .ops = &s2mps14_reg_ops, \ 556 .type = REGULATOR_VOLTAGE, \ 557 .owner = THIS_MODULE, \ 558 .min_uV = min, \ 559 .uV_step = step, \ 560 .linear_min_sel = min_sel, \ 561 .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \ 562 .ramp_delay = S2MPS13_BUCK_RAMP_DELAY, \ 563 .vsel_reg = S2MPS13_REG_B1OUT + (num) * 2 - 1, \ 564 .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \ 565 .enable_reg = S2MPS13_REG_B1CTRL + (num) * 2 - 1, \ 566 .enable_mask = S2MPS14_ENABLE_MASK \ 567 } 568 569 static const struct regulator_desc s2mps13_regulators[] = { 570 regulator_desc_s2mps13_ldo(1, MIN_800_MV, STEP_12_5_MV, 0x00), 571 regulator_desc_s2mps13_ldo(2, MIN_1400_MV, STEP_50_MV, 0x0C), 572 regulator_desc_s2mps13_ldo(3, MIN_1000_MV, STEP_25_MV, 0x08), 573 regulator_desc_s2mps13_ldo(4, MIN_800_MV, STEP_12_5_MV, 0x00), 574 regulator_desc_s2mps13_ldo(5, MIN_800_MV, STEP_12_5_MV, 0x00), 575 regulator_desc_s2mps13_ldo(6, MIN_800_MV, STEP_12_5_MV, 0x00), 576 regulator_desc_s2mps13_ldo(7, MIN_1000_MV, STEP_25_MV, 0x08), 577 regulator_desc_s2mps13_ldo(8, MIN_1000_MV, STEP_25_MV, 0x08), 578 regulator_desc_s2mps13_ldo(9, MIN_1000_MV, STEP_25_MV, 0x08), 579 regulator_desc_s2mps13_ldo(10, MIN_1400_MV, STEP_50_MV, 0x0C), 580 regulator_desc_s2mps13_ldo(11, MIN_800_MV, STEP_25_MV, 0x10), 581 regulator_desc_s2mps13_ldo(12, MIN_800_MV, STEP_25_MV, 0x10), 582 regulator_desc_s2mps13_ldo(13, MIN_800_MV, STEP_25_MV, 0x10), 583 regulator_desc_s2mps13_ldo(14, MIN_800_MV, STEP_12_5_MV, 0x00), 584 regulator_desc_s2mps13_ldo(15, MIN_800_MV, STEP_12_5_MV, 0x00), 585 regulator_desc_s2mps13_ldo(16, MIN_1400_MV, STEP_50_MV, 0x0C), 586 regulator_desc_s2mps13_ldo(17, MIN_1400_MV, STEP_50_MV, 0x0C), 587 regulator_desc_s2mps13_ldo(18, MIN_1000_MV, STEP_25_MV, 0x08), 588 regulator_desc_s2mps13_ldo(19, MIN_1000_MV, STEP_25_MV, 0x08), 589 regulator_desc_s2mps13_ldo(20, MIN_1400_MV, STEP_50_MV, 0x0C), 590 regulator_desc_s2mps13_ldo(21, MIN_1000_MV, STEP_25_MV, 0x08), 591 regulator_desc_s2mps13_ldo(22, MIN_1000_MV, STEP_25_MV, 0x08), 592 regulator_desc_s2mps13_ldo(23, MIN_800_MV, STEP_12_5_MV, 0x00), 593 regulator_desc_s2mps13_ldo(24, MIN_800_MV, STEP_12_5_MV, 0x00), 594 regulator_desc_s2mps13_ldo(25, MIN_1400_MV, STEP_50_MV, 0x0C), 595 regulator_desc_s2mps13_ldo(26, MIN_1400_MV, STEP_50_MV, 0x0C), 596 regulator_desc_s2mps13_ldo(27, MIN_1400_MV, STEP_50_MV, 0x0C), 597 regulator_desc_s2mps13_ldo(28, MIN_1000_MV, STEP_25_MV, 0x08), 598 regulator_desc_s2mps13_ldo(29, MIN_1400_MV, STEP_50_MV, 0x0C), 599 regulator_desc_s2mps13_ldo(30, MIN_1400_MV, STEP_50_MV, 0x0C), 600 regulator_desc_s2mps13_ldo(31, MIN_1000_MV, STEP_25_MV, 0x08), 601 regulator_desc_s2mps13_ldo(32, MIN_1000_MV, STEP_25_MV, 0x08), 602 regulator_desc_s2mps13_ldo(33, MIN_1400_MV, STEP_50_MV, 0x0C), 603 regulator_desc_s2mps13_ldo(34, MIN_1000_MV, STEP_25_MV, 0x08), 604 regulator_desc_s2mps13_ldo(35, MIN_1400_MV, STEP_50_MV, 0x0C), 605 regulator_desc_s2mps13_ldo(36, MIN_800_MV, STEP_12_5_MV, 0x00), 606 regulator_desc_s2mps13_ldo(37, MIN_1000_MV, STEP_25_MV, 0x08), 607 regulator_desc_s2mps13_ldo(38, MIN_1400_MV, STEP_50_MV, 0x0C), 608 regulator_desc_s2mps13_ldo(39, MIN_1000_MV, STEP_25_MV, 0x08), 609 regulator_desc_s2mps13_ldo(40, MIN_1400_MV, STEP_50_MV, 0x0C), 610 regulator_desc_s2mps13_buck(1, MIN_500_MV, STEP_6_25_MV, 0x10), 611 regulator_desc_s2mps13_buck(2, MIN_500_MV, STEP_6_25_MV, 0x10), 612 regulator_desc_s2mps13_buck(3, MIN_500_MV, STEP_6_25_MV, 0x10), 613 regulator_desc_s2mps13_buck(4, MIN_500_MV, STEP_6_25_MV, 0x10), 614 regulator_desc_s2mps13_buck(5, MIN_500_MV, STEP_6_25_MV, 0x10), 615 regulator_desc_s2mps13_buck(6, MIN_500_MV, STEP_6_25_MV, 0x10), 616 regulator_desc_s2mps13_buck7(7, MIN_500_MV, STEP_6_25_MV, 0x10), 617 regulator_desc_s2mps13_buck8_10(8, MIN_1000_MV, STEP_12_5_MV, 0x20), 618 regulator_desc_s2mps13_buck8_10(9, MIN_1000_MV, STEP_12_5_MV, 0x20), 619 regulator_desc_s2mps13_buck8_10(10, MIN_500_MV, STEP_6_25_MV, 0x10), 620 }; 621 622 static const struct regulator_ops s2mps14_reg_ops = { 623 .list_voltage = regulator_list_voltage_linear, 624 .map_voltage = regulator_map_voltage_linear, 625 .is_enabled = regulator_is_enabled_regmap, 626 .enable = s2mps11_regulator_enable, 627 .disable = regulator_disable_regmap, 628 .get_voltage_sel = regulator_get_voltage_sel_regmap, 629 .set_voltage_sel = regulator_set_voltage_sel_regmap, 630 .set_voltage_time_sel = regulator_set_voltage_time_sel, 631 .set_suspend_disable = s2mps11_regulator_set_suspend_disable, 632 }; 633 634 #define regulator_desc_s2mps14_ldo(num, min, step) { \ 635 .name = "LDO"#num, \ 636 .id = S2MPS14_LDO##num, \ 637 .ops = &s2mps14_reg_ops, \ 638 .type = REGULATOR_VOLTAGE, \ 639 .owner = THIS_MODULE, \ 640 .min_uV = min, \ 641 .uV_step = step, \ 642 .n_voltages = S2MPS14_LDO_N_VOLTAGES, \ 643 .vsel_reg = S2MPS14_REG_L1CTRL + num - 1, \ 644 .vsel_mask = S2MPS14_LDO_VSEL_MASK, \ 645 .enable_reg = S2MPS14_REG_L1CTRL + num - 1, \ 646 .enable_mask = S2MPS14_ENABLE_MASK \ 647 } 648 649 #define regulator_desc_s2mps14_buck(num, min, step, min_sel) { \ 650 .name = "BUCK"#num, \ 651 .id = S2MPS14_BUCK##num, \ 652 .ops = &s2mps14_reg_ops, \ 653 .type = REGULATOR_VOLTAGE, \ 654 .owner = THIS_MODULE, \ 655 .min_uV = min, \ 656 .uV_step = step, \ 657 .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \ 658 .linear_min_sel = min_sel, \ 659 .ramp_delay = S2MPS14_BUCK_RAMP_DELAY, \ 660 .vsel_reg = S2MPS14_REG_B1CTRL2 + (num - 1) * 2, \ 661 .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \ 662 .enable_reg = S2MPS14_REG_B1CTRL1 + (num - 1) * 2, \ 663 .enable_mask = S2MPS14_ENABLE_MASK \ 664 } 665 666 static const struct regulator_desc s2mps14_regulators[] = { 667 regulator_desc_s2mps14_ldo(1, MIN_800_MV, STEP_12_5_MV), 668 regulator_desc_s2mps14_ldo(2, MIN_800_MV, STEP_12_5_MV), 669 regulator_desc_s2mps14_ldo(3, MIN_800_MV, STEP_25_MV), 670 regulator_desc_s2mps14_ldo(4, MIN_800_MV, STEP_25_MV), 671 regulator_desc_s2mps14_ldo(5, MIN_800_MV, STEP_12_5_MV), 672 regulator_desc_s2mps14_ldo(6, MIN_800_MV, STEP_12_5_MV), 673 regulator_desc_s2mps14_ldo(7, MIN_800_MV, STEP_25_MV), 674 regulator_desc_s2mps14_ldo(8, MIN_1800_MV, STEP_25_MV), 675 regulator_desc_s2mps14_ldo(9, MIN_800_MV, STEP_12_5_MV), 676 regulator_desc_s2mps14_ldo(10, MIN_800_MV, STEP_12_5_MV), 677 regulator_desc_s2mps14_ldo(11, MIN_800_MV, STEP_25_MV), 678 regulator_desc_s2mps14_ldo(12, MIN_1800_MV, STEP_25_MV), 679 regulator_desc_s2mps14_ldo(13, MIN_1800_MV, STEP_25_MV), 680 regulator_desc_s2mps14_ldo(14, MIN_1800_MV, STEP_25_MV), 681 regulator_desc_s2mps14_ldo(15, MIN_1800_MV, STEP_25_MV), 682 regulator_desc_s2mps14_ldo(16, MIN_1800_MV, STEP_25_MV), 683 regulator_desc_s2mps14_ldo(17, MIN_1800_MV, STEP_25_MV), 684 regulator_desc_s2mps14_ldo(18, MIN_1800_MV, STEP_25_MV), 685 regulator_desc_s2mps14_ldo(19, MIN_800_MV, STEP_25_MV), 686 regulator_desc_s2mps14_ldo(20, MIN_800_MV, STEP_25_MV), 687 regulator_desc_s2mps14_ldo(21, MIN_800_MV, STEP_25_MV), 688 regulator_desc_s2mps14_ldo(22, MIN_800_MV, STEP_12_5_MV), 689 regulator_desc_s2mps14_ldo(23, MIN_800_MV, STEP_25_MV), 690 regulator_desc_s2mps14_ldo(24, MIN_1800_MV, STEP_25_MV), 691 regulator_desc_s2mps14_ldo(25, MIN_1800_MV, STEP_25_MV), 692 regulator_desc_s2mps14_buck(1, MIN_600_MV, STEP_6_25_MV, 693 S2MPS14_BUCK1235_START_SEL), 694 regulator_desc_s2mps14_buck(2, MIN_600_MV, STEP_6_25_MV, 695 S2MPS14_BUCK1235_START_SEL), 696 regulator_desc_s2mps14_buck(3, MIN_600_MV, STEP_6_25_MV, 697 S2MPS14_BUCK1235_START_SEL), 698 regulator_desc_s2mps14_buck(4, MIN_1400_MV, STEP_12_5_MV, 699 S2MPS14_BUCK4_START_SEL), 700 regulator_desc_s2mps14_buck(5, MIN_600_MV, STEP_6_25_MV, 701 S2MPS14_BUCK1235_START_SEL), 702 }; 703 704 static const struct regulator_ops s2mps15_reg_ldo_ops = { 705 .list_voltage = regulator_list_voltage_linear_range, 706 .map_voltage = regulator_map_voltage_linear_range, 707 .is_enabled = regulator_is_enabled_regmap, 708 .enable = regulator_enable_regmap, 709 .disable = regulator_disable_regmap, 710 .get_voltage_sel = regulator_get_voltage_sel_regmap, 711 .set_voltage_sel = regulator_set_voltage_sel_regmap, 712 }; 713 714 static const struct regulator_ops s2mps15_reg_buck_ops = { 715 .list_voltage = regulator_list_voltage_linear_range, 716 .map_voltage = regulator_map_voltage_linear_range, 717 .is_enabled = regulator_is_enabled_regmap, 718 .enable = regulator_enable_regmap, 719 .disable = regulator_disable_regmap, 720 .get_voltage_sel = regulator_get_voltage_sel_regmap, 721 .set_voltage_sel = regulator_set_voltage_sel_regmap, 722 .set_voltage_time_sel = regulator_set_voltage_time_sel, 723 }; 724 725 #define regulator_desc_s2mps15_ldo(num, range) { \ 726 .name = "LDO"#num, \ 727 .id = S2MPS15_LDO##num, \ 728 .ops = &s2mps15_reg_ldo_ops, \ 729 .type = REGULATOR_VOLTAGE, \ 730 .owner = THIS_MODULE, \ 731 .linear_ranges = range, \ 732 .n_linear_ranges = ARRAY_SIZE(range), \ 733 .n_voltages = S2MPS15_LDO_N_VOLTAGES, \ 734 .vsel_reg = S2MPS15_REG_L1CTRL + num - 1, \ 735 .vsel_mask = S2MPS15_LDO_VSEL_MASK, \ 736 .enable_reg = S2MPS15_REG_L1CTRL + num - 1, \ 737 .enable_mask = S2MPS15_ENABLE_MASK \ 738 } 739 740 #define regulator_desc_s2mps15_buck(num, range) { \ 741 .name = "BUCK"#num, \ 742 .id = S2MPS15_BUCK##num, \ 743 .ops = &s2mps15_reg_buck_ops, \ 744 .type = REGULATOR_VOLTAGE, \ 745 .owner = THIS_MODULE, \ 746 .linear_ranges = range, \ 747 .n_linear_ranges = ARRAY_SIZE(range), \ 748 .ramp_delay = 12500, \ 749 .n_voltages = S2MPS15_BUCK_N_VOLTAGES, \ 750 .vsel_reg = S2MPS15_REG_B1CTRL2 + ((num - 1) * 2), \ 751 .vsel_mask = S2MPS15_BUCK_VSEL_MASK, \ 752 .enable_reg = S2MPS15_REG_B1CTRL1 + ((num - 1) * 2), \ 753 .enable_mask = S2MPS15_ENABLE_MASK \ 754 } 755 756 /* voltage range for s2mps15 LDO 3, 5, 15, 16, 18, 20, 23 and 27 */ 757 static const struct linear_range s2mps15_ldo_voltage_ranges1[] = { 758 REGULATOR_LINEAR_RANGE(1000000, 0xc, 0x38, 25000), 759 }; 760 761 /* voltage range for s2mps15 LDO 2, 6, 14, 17, 19, 21, 24 and 25 */ 762 static const struct linear_range s2mps15_ldo_voltage_ranges2[] = { 763 REGULATOR_LINEAR_RANGE(1800000, 0x0, 0x3f, 25000), 764 }; 765 766 /* voltage range for s2mps15 LDO 4, 11, 12, 13, 22 and 26 */ 767 static const struct linear_range s2mps15_ldo_voltage_ranges3[] = { 768 REGULATOR_LINEAR_RANGE(700000, 0x0, 0x34, 12500), 769 }; 770 771 /* voltage range for s2mps15 LDO 7, 8, 9 and 10 */ 772 static const struct linear_range s2mps15_ldo_voltage_ranges4[] = { 773 REGULATOR_LINEAR_RANGE(700000, 0x10, 0x20, 25000), 774 }; 775 776 /* voltage range for s2mps15 LDO 1 */ 777 static const struct linear_range s2mps15_ldo_voltage_ranges5[] = { 778 REGULATOR_LINEAR_RANGE(500000, 0x0, 0x20, 12500), 779 }; 780 781 /* voltage range for s2mps15 BUCK 1, 2, 3, 4, 5, 6 and 7 */ 782 static const struct linear_range s2mps15_buck_voltage_ranges1[] = { 783 REGULATOR_LINEAR_RANGE(500000, 0x20, 0xc0, 6250), 784 }; 785 786 /* voltage range for s2mps15 BUCK 8, 9 and 10 */ 787 static const struct linear_range s2mps15_buck_voltage_ranges2[] = { 788 REGULATOR_LINEAR_RANGE(1000000, 0x20, 0x78, 12500), 789 }; 790 791 static const struct regulator_desc s2mps15_regulators[] = { 792 regulator_desc_s2mps15_ldo(1, s2mps15_ldo_voltage_ranges5), 793 regulator_desc_s2mps15_ldo(2, s2mps15_ldo_voltage_ranges2), 794 regulator_desc_s2mps15_ldo(3, s2mps15_ldo_voltage_ranges1), 795 regulator_desc_s2mps15_ldo(4, s2mps15_ldo_voltage_ranges3), 796 regulator_desc_s2mps15_ldo(5, s2mps15_ldo_voltage_ranges1), 797 regulator_desc_s2mps15_ldo(6, s2mps15_ldo_voltage_ranges2), 798 regulator_desc_s2mps15_ldo(7, s2mps15_ldo_voltage_ranges4), 799 regulator_desc_s2mps15_ldo(8, s2mps15_ldo_voltage_ranges4), 800 regulator_desc_s2mps15_ldo(9, s2mps15_ldo_voltage_ranges4), 801 regulator_desc_s2mps15_ldo(10, s2mps15_ldo_voltage_ranges4), 802 regulator_desc_s2mps15_ldo(11, s2mps15_ldo_voltage_ranges3), 803 regulator_desc_s2mps15_ldo(12, s2mps15_ldo_voltage_ranges3), 804 regulator_desc_s2mps15_ldo(13, s2mps15_ldo_voltage_ranges3), 805 regulator_desc_s2mps15_ldo(14, s2mps15_ldo_voltage_ranges2), 806 regulator_desc_s2mps15_ldo(15, s2mps15_ldo_voltage_ranges1), 807 regulator_desc_s2mps15_ldo(16, s2mps15_ldo_voltage_ranges1), 808 regulator_desc_s2mps15_ldo(17, s2mps15_ldo_voltage_ranges2), 809 regulator_desc_s2mps15_ldo(18, s2mps15_ldo_voltage_ranges1), 810 regulator_desc_s2mps15_ldo(19, s2mps15_ldo_voltage_ranges2), 811 regulator_desc_s2mps15_ldo(20, s2mps15_ldo_voltage_ranges1), 812 regulator_desc_s2mps15_ldo(21, s2mps15_ldo_voltage_ranges2), 813 regulator_desc_s2mps15_ldo(22, s2mps15_ldo_voltage_ranges3), 814 regulator_desc_s2mps15_ldo(23, s2mps15_ldo_voltage_ranges1), 815 regulator_desc_s2mps15_ldo(24, s2mps15_ldo_voltage_ranges2), 816 regulator_desc_s2mps15_ldo(25, s2mps15_ldo_voltage_ranges2), 817 regulator_desc_s2mps15_ldo(26, s2mps15_ldo_voltage_ranges3), 818 regulator_desc_s2mps15_ldo(27, s2mps15_ldo_voltage_ranges1), 819 regulator_desc_s2mps15_buck(1, s2mps15_buck_voltage_ranges1), 820 regulator_desc_s2mps15_buck(2, s2mps15_buck_voltage_ranges1), 821 regulator_desc_s2mps15_buck(3, s2mps15_buck_voltage_ranges1), 822 regulator_desc_s2mps15_buck(4, s2mps15_buck_voltage_ranges1), 823 regulator_desc_s2mps15_buck(5, s2mps15_buck_voltage_ranges1), 824 regulator_desc_s2mps15_buck(6, s2mps15_buck_voltage_ranges1), 825 regulator_desc_s2mps15_buck(7, s2mps15_buck_voltage_ranges1), 826 regulator_desc_s2mps15_buck(8, s2mps15_buck_voltage_ranges2), 827 regulator_desc_s2mps15_buck(9, s2mps15_buck_voltage_ranges2), 828 regulator_desc_s2mps15_buck(10, s2mps15_buck_voltage_ranges2), 829 }; 830 831 static int s2mps14_pmic_enable_ext_control(struct s2mps11_info *s2mps11, 832 struct regulator_dev *rdev) 833 { 834 return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, 835 rdev->desc->enable_mask, S2MPS14_ENABLE_EXT_CONTROL); 836 } 837 838 static void s2mps14_pmic_dt_parse_ext_control_gpio(struct platform_device *pdev, 839 struct of_regulator_match *rdata, struct s2mps11_info *s2mps11) 840 { 841 struct gpio_desc **gpio = s2mps11->ext_control_gpiod; 842 unsigned int i; 843 unsigned int valid_regulators[3] = { S2MPS14_LDO10, S2MPS14_LDO11, 844 S2MPS14_LDO12 }; 845 846 for (i = 0; i < ARRAY_SIZE(valid_regulators); i++) { 847 unsigned int reg = valid_regulators[i]; 848 849 if (!rdata[reg].init_data || !rdata[reg].of_node) 850 continue; 851 852 gpio[reg] = devm_fwnode_gpiod_get(&pdev->dev, 853 of_fwnode_handle(rdata[reg].of_node), 854 "samsung,ext-control", 855 GPIOD_OUT_HIGH | GPIOD_FLAGS_BIT_NONEXCLUSIVE, 856 "s2mps11-regulator"); 857 if (PTR_ERR(gpio[reg]) == -ENOENT) 858 gpio[reg] = NULL; 859 else if (IS_ERR(gpio[reg])) { 860 dev_err(&pdev->dev, "Failed to get control GPIO for %d/%s\n", 861 reg, rdata[reg].name); 862 gpio[reg] = NULL; 863 continue; 864 } 865 if (gpio[reg]) 866 dev_dbg(&pdev->dev, "Using GPIO for ext-control over %d/%s\n", 867 reg, rdata[reg].name); 868 } 869 } 870 871 static int s2mps11_pmic_dt_parse(struct platform_device *pdev, 872 struct of_regulator_match *rdata, struct s2mps11_info *s2mps11, 873 unsigned int rdev_num) 874 { 875 struct device_node *reg_np; 876 877 reg_np = of_get_child_by_name(pdev->dev.parent->of_node, "regulators"); 878 if (!reg_np) { 879 dev_err(&pdev->dev, "could not find regulators sub-node\n"); 880 return -EINVAL; 881 } 882 883 of_regulator_match(&pdev->dev, reg_np, rdata, rdev_num); 884 if (s2mps11->dev_type == S2MPS14X) 885 s2mps14_pmic_dt_parse_ext_control_gpio(pdev, rdata, s2mps11); 886 887 of_node_put(reg_np); 888 889 return 0; 890 } 891 892 static int s2mpu02_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) 893 { 894 unsigned int ramp_val, ramp_shift, ramp_reg; 895 int rdev_id = rdev_get_id(rdev); 896 897 switch (rdev_id) { 898 case S2MPU02_BUCK1: 899 ramp_shift = S2MPU02_BUCK1_RAMP_SHIFT; 900 break; 901 case S2MPU02_BUCK2: 902 ramp_shift = S2MPU02_BUCK2_RAMP_SHIFT; 903 break; 904 case S2MPU02_BUCK3: 905 ramp_shift = S2MPU02_BUCK3_RAMP_SHIFT; 906 break; 907 case S2MPU02_BUCK4: 908 ramp_shift = S2MPU02_BUCK4_RAMP_SHIFT; 909 break; 910 default: 911 return 0; 912 } 913 ramp_reg = S2MPU02_REG_RAMP1; 914 ramp_val = get_ramp_delay(ramp_delay); 915 916 return regmap_update_bits(rdev->regmap, ramp_reg, 917 S2MPU02_BUCK1234_RAMP_MASK << ramp_shift, 918 ramp_val << ramp_shift); 919 } 920 921 static const struct regulator_ops s2mpu02_ldo_ops = { 922 .list_voltage = regulator_list_voltage_linear, 923 .map_voltage = regulator_map_voltage_linear, 924 .is_enabled = regulator_is_enabled_regmap, 925 .enable = s2mps11_regulator_enable, 926 .disable = regulator_disable_regmap, 927 .get_voltage_sel = regulator_get_voltage_sel_regmap, 928 .set_voltage_sel = regulator_set_voltage_sel_regmap, 929 .set_voltage_time_sel = regulator_set_voltage_time_sel, 930 .set_suspend_disable = s2mps11_regulator_set_suspend_disable, 931 }; 932 933 static const struct regulator_ops s2mpu02_buck_ops = { 934 .list_voltage = regulator_list_voltage_linear, 935 .map_voltage = regulator_map_voltage_linear, 936 .is_enabled = regulator_is_enabled_regmap, 937 .enable = s2mps11_regulator_enable, 938 .disable = regulator_disable_regmap, 939 .get_voltage_sel = regulator_get_voltage_sel_regmap, 940 .set_voltage_sel = regulator_set_voltage_sel_regmap, 941 .set_voltage_time_sel = regulator_set_voltage_time_sel, 942 .set_suspend_disable = s2mps11_regulator_set_suspend_disable, 943 .set_ramp_delay = s2mpu02_set_ramp_delay, 944 }; 945 946 #define regulator_desc_s2mpu02_ldo1(num) { \ 947 .name = "LDO"#num, \ 948 .id = S2MPU02_LDO##num, \ 949 .ops = &s2mpu02_ldo_ops, \ 950 .type = REGULATOR_VOLTAGE, \ 951 .owner = THIS_MODULE, \ 952 .min_uV = S2MPU02_LDO_MIN_900MV, \ 953 .uV_step = S2MPU02_LDO_STEP_12_5MV, \ 954 .linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \ 955 .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ 956 .vsel_reg = S2MPU02_REG_L1CTRL, \ 957 .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ 958 .enable_reg = S2MPU02_REG_L1CTRL, \ 959 .enable_mask = S2MPU02_ENABLE_MASK \ 960 } 961 #define regulator_desc_s2mpu02_ldo2(num) { \ 962 .name = "LDO"#num, \ 963 .id = S2MPU02_LDO##num, \ 964 .ops = &s2mpu02_ldo_ops, \ 965 .type = REGULATOR_VOLTAGE, \ 966 .owner = THIS_MODULE, \ 967 .min_uV = S2MPU02_LDO_MIN_1050MV, \ 968 .uV_step = S2MPU02_LDO_STEP_25MV, \ 969 .linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \ 970 .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ 971 .vsel_reg = S2MPU02_REG_L2CTRL1, \ 972 .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ 973 .enable_reg = S2MPU02_REG_L2CTRL1, \ 974 .enable_mask = S2MPU02_ENABLE_MASK \ 975 } 976 #define regulator_desc_s2mpu02_ldo3(num) { \ 977 .name = "LDO"#num, \ 978 .id = S2MPU02_LDO##num, \ 979 .ops = &s2mpu02_ldo_ops, \ 980 .type = REGULATOR_VOLTAGE, \ 981 .owner = THIS_MODULE, \ 982 .min_uV = S2MPU02_LDO_MIN_900MV, \ 983 .uV_step = S2MPU02_LDO_STEP_12_5MV, \ 984 .linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \ 985 .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ 986 .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \ 987 .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ 988 .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \ 989 .enable_mask = S2MPU02_ENABLE_MASK \ 990 } 991 #define regulator_desc_s2mpu02_ldo4(num) { \ 992 .name = "LDO"#num, \ 993 .id = S2MPU02_LDO##num, \ 994 .ops = &s2mpu02_ldo_ops, \ 995 .type = REGULATOR_VOLTAGE, \ 996 .owner = THIS_MODULE, \ 997 .min_uV = S2MPU02_LDO_MIN_1050MV, \ 998 .uV_step = S2MPU02_LDO_STEP_25MV, \ 999 .linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \ 1000 .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ 1001 .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \ 1002 .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ 1003 .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \ 1004 .enable_mask = S2MPU02_ENABLE_MASK \ 1005 } 1006 #define regulator_desc_s2mpu02_ldo5(num) { \ 1007 .name = "LDO"#num, \ 1008 .id = S2MPU02_LDO##num, \ 1009 .ops = &s2mpu02_ldo_ops, \ 1010 .type = REGULATOR_VOLTAGE, \ 1011 .owner = THIS_MODULE, \ 1012 .min_uV = S2MPU02_LDO_MIN_1600MV, \ 1013 .uV_step = S2MPU02_LDO_STEP_50MV, \ 1014 .linear_min_sel = S2MPU02_LDO_GROUP3_START_SEL, \ 1015 .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ 1016 .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \ 1017 .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ 1018 .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \ 1019 .enable_mask = S2MPU02_ENABLE_MASK \ 1020 } 1021 1022 #define regulator_desc_s2mpu02_buck1234(num) { \ 1023 .name = "BUCK"#num, \ 1024 .id = S2MPU02_BUCK##num, \ 1025 .ops = &s2mpu02_buck_ops, \ 1026 .type = REGULATOR_VOLTAGE, \ 1027 .owner = THIS_MODULE, \ 1028 .min_uV = S2MPU02_BUCK1234_MIN_600MV, \ 1029 .uV_step = S2MPU02_BUCK1234_STEP_6_25MV, \ 1030 .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \ 1031 .linear_min_sel = S2MPU02_BUCK1234_START_SEL, \ 1032 .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \ 1033 .vsel_reg = S2MPU02_REG_B1CTRL2 + (num - 1) * 2, \ 1034 .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \ 1035 .enable_reg = S2MPU02_REG_B1CTRL1 + (num - 1) * 2, \ 1036 .enable_mask = S2MPU02_ENABLE_MASK \ 1037 } 1038 #define regulator_desc_s2mpu02_buck5(num) { \ 1039 .name = "BUCK"#num, \ 1040 .id = S2MPU02_BUCK##num, \ 1041 .ops = &s2mpu02_ldo_ops, \ 1042 .type = REGULATOR_VOLTAGE, \ 1043 .owner = THIS_MODULE, \ 1044 .min_uV = S2MPU02_BUCK5_MIN_1081_25MV, \ 1045 .uV_step = S2MPU02_BUCK5_STEP_6_25MV, \ 1046 .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \ 1047 .linear_min_sel = S2MPU02_BUCK5_START_SEL, \ 1048 .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \ 1049 .vsel_reg = S2MPU02_REG_B5CTRL2, \ 1050 .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \ 1051 .enable_reg = S2MPU02_REG_B5CTRL1, \ 1052 .enable_mask = S2MPU02_ENABLE_MASK \ 1053 } 1054 #define regulator_desc_s2mpu02_buck6(num) { \ 1055 .name = "BUCK"#num, \ 1056 .id = S2MPU02_BUCK##num, \ 1057 .ops = &s2mpu02_ldo_ops, \ 1058 .type = REGULATOR_VOLTAGE, \ 1059 .owner = THIS_MODULE, \ 1060 .min_uV = S2MPU02_BUCK6_MIN_1700MV, \ 1061 .uV_step = S2MPU02_BUCK6_STEP_2_50MV, \ 1062 .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \ 1063 .linear_min_sel = S2MPU02_BUCK6_START_SEL, \ 1064 .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \ 1065 .vsel_reg = S2MPU02_REG_B6CTRL2, \ 1066 .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \ 1067 .enable_reg = S2MPU02_REG_B6CTRL1, \ 1068 .enable_mask = S2MPU02_ENABLE_MASK \ 1069 } 1070 #define regulator_desc_s2mpu02_buck7(num) { \ 1071 .name = "BUCK"#num, \ 1072 .id = S2MPU02_BUCK##num, \ 1073 .ops = &s2mpu02_ldo_ops, \ 1074 .type = REGULATOR_VOLTAGE, \ 1075 .owner = THIS_MODULE, \ 1076 .min_uV = S2MPU02_BUCK7_MIN_900MV, \ 1077 .uV_step = S2MPU02_BUCK7_STEP_6_25MV, \ 1078 .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \ 1079 .linear_min_sel = S2MPU02_BUCK7_START_SEL, \ 1080 .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \ 1081 .vsel_reg = S2MPU02_REG_B7CTRL2, \ 1082 .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \ 1083 .enable_reg = S2MPU02_REG_B7CTRL1, \ 1084 .enable_mask = S2MPU02_ENABLE_MASK \ 1085 } 1086 1087 static const struct regulator_desc s2mpu02_regulators[] = { 1088 regulator_desc_s2mpu02_ldo1(1), 1089 regulator_desc_s2mpu02_ldo2(2), 1090 regulator_desc_s2mpu02_ldo4(3), 1091 regulator_desc_s2mpu02_ldo5(4), 1092 regulator_desc_s2mpu02_ldo4(5), 1093 regulator_desc_s2mpu02_ldo3(6), 1094 regulator_desc_s2mpu02_ldo3(7), 1095 regulator_desc_s2mpu02_ldo4(8), 1096 regulator_desc_s2mpu02_ldo5(9), 1097 regulator_desc_s2mpu02_ldo3(10), 1098 regulator_desc_s2mpu02_ldo4(11), 1099 regulator_desc_s2mpu02_ldo5(12), 1100 regulator_desc_s2mpu02_ldo5(13), 1101 regulator_desc_s2mpu02_ldo5(14), 1102 regulator_desc_s2mpu02_ldo5(15), 1103 regulator_desc_s2mpu02_ldo5(16), 1104 regulator_desc_s2mpu02_ldo4(17), 1105 regulator_desc_s2mpu02_ldo5(18), 1106 regulator_desc_s2mpu02_ldo3(19), 1107 regulator_desc_s2mpu02_ldo4(20), 1108 regulator_desc_s2mpu02_ldo5(21), 1109 regulator_desc_s2mpu02_ldo5(22), 1110 regulator_desc_s2mpu02_ldo5(23), 1111 regulator_desc_s2mpu02_ldo4(24), 1112 regulator_desc_s2mpu02_ldo5(25), 1113 regulator_desc_s2mpu02_ldo4(26), 1114 regulator_desc_s2mpu02_ldo5(27), 1115 regulator_desc_s2mpu02_ldo5(28), 1116 regulator_desc_s2mpu02_buck1234(1), 1117 regulator_desc_s2mpu02_buck1234(2), 1118 regulator_desc_s2mpu02_buck1234(3), 1119 regulator_desc_s2mpu02_buck1234(4), 1120 regulator_desc_s2mpu02_buck5(5), 1121 regulator_desc_s2mpu02_buck6(6), 1122 regulator_desc_s2mpu02_buck7(7), 1123 }; 1124 1125 #define regulator_desc_s2mpu05_ldo_reg(num, min, step, reg) { \ 1126 .name = "ldo"#num, \ 1127 .id = S2MPU05_LDO##num, \ 1128 .ops = &s2mpu02_ldo_ops, \ 1129 .type = REGULATOR_VOLTAGE, \ 1130 .owner = THIS_MODULE, \ 1131 .min_uV = min, \ 1132 .uV_step = step, \ 1133 .n_voltages = S2MPU05_LDO_N_VOLTAGES, \ 1134 .vsel_reg = reg, \ 1135 .vsel_mask = S2MPU05_LDO_VSEL_MASK, \ 1136 .enable_reg = reg, \ 1137 .enable_mask = S2MPU05_ENABLE_MASK, \ 1138 .enable_time = S2MPU05_ENABLE_TIME_LDO \ 1139 } 1140 1141 #define regulator_desc_s2mpu05_ldo(num, reg, min, step) \ 1142 regulator_desc_s2mpu05_ldo_reg(num, min, step, S2MPU05_REG_L##num##reg) 1143 1144 #define regulator_desc_s2mpu05_ldo1(num, reg) \ 1145 regulator_desc_s2mpu05_ldo(num, reg, S2MPU05_LDO_MIN1, S2MPU05_LDO_STEP1) 1146 1147 #define regulator_desc_s2mpu05_ldo2(num, reg) \ 1148 regulator_desc_s2mpu05_ldo(num, reg, S2MPU05_LDO_MIN1, S2MPU05_LDO_STEP2) 1149 1150 #define regulator_desc_s2mpu05_ldo3(num, reg) \ 1151 regulator_desc_s2mpu05_ldo(num, reg, S2MPU05_LDO_MIN2, S2MPU05_LDO_STEP2) 1152 1153 #define regulator_desc_s2mpu05_ldo4(num, reg) \ 1154 regulator_desc_s2mpu05_ldo(num, reg, S2MPU05_LDO_MIN3, S2MPU05_LDO_STEP2) 1155 1156 #define regulator_desc_s2mpu05_buck(num, which) { \ 1157 .name = "buck"#num, \ 1158 .id = S2MPU05_BUCK##num, \ 1159 .ops = &s2mpu02_buck_ops, \ 1160 .type = REGULATOR_VOLTAGE, \ 1161 .owner = THIS_MODULE, \ 1162 .min_uV = S2MPU05_BUCK_MIN##which, \ 1163 .uV_step = S2MPU05_BUCK_STEP##which, \ 1164 .n_voltages = S2MPU05_BUCK_N_VOLTAGES, \ 1165 .vsel_reg = S2MPU05_REG_B##num##CTRL2, \ 1166 .vsel_mask = S2MPU05_BUCK_VSEL_MASK, \ 1167 .enable_reg = S2MPU05_REG_B##num##CTRL1, \ 1168 .enable_mask = S2MPU05_ENABLE_MASK, \ 1169 .enable_time = S2MPU05_ENABLE_TIME_BUCK##num \ 1170 } 1171 1172 #define regulator_desc_s2mpu05_buck123(num) regulator_desc_s2mpu05_buck(num, 1) 1173 #define regulator_desc_s2mpu05_buck45(num) regulator_desc_s2mpu05_buck(num, 2) 1174 1175 static const struct regulator_desc s2mpu05_regulators[] = { 1176 regulator_desc_s2mpu05_ldo4(1, CTRL), 1177 regulator_desc_s2mpu05_ldo3(2, CTRL), 1178 regulator_desc_s2mpu05_ldo2(3, CTRL), 1179 regulator_desc_s2mpu05_ldo1(4, CTRL), 1180 regulator_desc_s2mpu05_ldo1(5, CTRL), 1181 regulator_desc_s2mpu05_ldo1(6, CTRL), 1182 regulator_desc_s2mpu05_ldo2(7, CTRL), 1183 regulator_desc_s2mpu05_ldo3(8, CTRL), 1184 regulator_desc_s2mpu05_ldo4(9, CTRL1), 1185 regulator_desc_s2mpu05_ldo4(10, CTRL), 1186 /* LDOs 11-24 are used for CP. They aren't documented. */ 1187 regulator_desc_s2mpu05_ldo2(25, CTRL), 1188 regulator_desc_s2mpu05_ldo3(26, CTRL), 1189 regulator_desc_s2mpu05_ldo2(27, CTRL), 1190 regulator_desc_s2mpu05_ldo3(28, CTRL), 1191 regulator_desc_s2mpu05_ldo3(29, CTRL), 1192 regulator_desc_s2mpu05_ldo2(30, CTRL), 1193 regulator_desc_s2mpu05_ldo3(31, CTRL), 1194 regulator_desc_s2mpu05_ldo3(32, CTRL), 1195 regulator_desc_s2mpu05_ldo3(33, CTRL), 1196 regulator_desc_s2mpu05_ldo3(34, CTRL), 1197 regulator_desc_s2mpu05_ldo3(35, CTRL), 1198 regulator_desc_s2mpu05_buck123(1), 1199 regulator_desc_s2mpu05_buck123(2), 1200 regulator_desc_s2mpu05_buck123(3), 1201 regulator_desc_s2mpu05_buck45(4), 1202 regulator_desc_s2mpu05_buck45(5), 1203 }; 1204 1205 static int s2mps11_pmic_probe(struct platform_device *pdev) 1206 { 1207 struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent); 1208 struct regulator_config config = { }; 1209 struct s2mps11_info *s2mps11; 1210 unsigned int rdev_num = 0; 1211 int i, ret = 0; 1212 const struct regulator_desc *regulators; 1213 1214 s2mps11 = devm_kzalloc(&pdev->dev, sizeof(struct s2mps11_info), 1215 GFP_KERNEL); 1216 if (!s2mps11) 1217 return -ENOMEM; 1218 1219 s2mps11->dev_type = platform_get_device_id(pdev)->driver_data; 1220 switch (s2mps11->dev_type) { 1221 case S2MPS11X: 1222 rdev_num = ARRAY_SIZE(s2mps11_regulators); 1223 regulators = s2mps11_regulators; 1224 BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps11_regulators)); 1225 break; 1226 case S2MPS13X: 1227 rdev_num = ARRAY_SIZE(s2mps13_regulators); 1228 regulators = s2mps13_regulators; 1229 BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps13_regulators)); 1230 break; 1231 case S2MPS14X: 1232 rdev_num = ARRAY_SIZE(s2mps14_regulators); 1233 regulators = s2mps14_regulators; 1234 BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps14_regulators)); 1235 break; 1236 case S2MPS15X: 1237 rdev_num = ARRAY_SIZE(s2mps15_regulators); 1238 regulators = s2mps15_regulators; 1239 BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps15_regulators)); 1240 break; 1241 case S2MPU02: 1242 rdev_num = ARRAY_SIZE(s2mpu02_regulators); 1243 regulators = s2mpu02_regulators; 1244 BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mpu02_regulators)); 1245 break; 1246 case S2MPU05: 1247 rdev_num = ARRAY_SIZE(s2mpu05_regulators); 1248 regulators = s2mpu05_regulators; 1249 BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mpu05_regulators)); 1250 break; 1251 default: 1252 dev_err(&pdev->dev, "Invalid device type: %u\n", 1253 s2mps11->dev_type); 1254 return -EINVAL; 1255 } 1256 1257 s2mps11->ext_control_gpiod = devm_kcalloc(&pdev->dev, rdev_num, 1258 sizeof(*s2mps11->ext_control_gpiod), GFP_KERNEL); 1259 if (!s2mps11->ext_control_gpiod) 1260 return -ENOMEM; 1261 1262 struct of_regulator_match *rdata __free(kfree) = 1263 kcalloc(rdev_num, sizeof(*rdata), GFP_KERNEL); 1264 if (!rdata) 1265 return -ENOMEM; 1266 1267 for (i = 0; i < rdev_num; i++) 1268 rdata[i].name = regulators[i].name; 1269 1270 ret = s2mps11_pmic_dt_parse(pdev, rdata, s2mps11, rdev_num); 1271 if (ret) 1272 return ret; 1273 1274 platform_set_drvdata(pdev, s2mps11); 1275 1276 config.dev = &pdev->dev; 1277 config.regmap = iodev->regmap_pmic; 1278 config.driver_data = s2mps11; 1279 for (i = 0; i < rdev_num; i++) { 1280 struct regulator_dev *regulator; 1281 1282 config.init_data = rdata[i].init_data; 1283 config.of_node = rdata[i].of_node; 1284 config.ena_gpiod = s2mps11->ext_control_gpiod[i]; 1285 /* 1286 * Hand the GPIO descriptor management over to the regulator 1287 * core, remove it from devres management. 1288 */ 1289 if (config.ena_gpiod) 1290 devm_gpiod_unhinge(&pdev->dev, config.ena_gpiod); 1291 regulator = devm_regulator_register(&pdev->dev, 1292 ®ulators[i], &config); 1293 if (IS_ERR(regulator)) { 1294 dev_err(&pdev->dev, "regulator init failed for %d\n", 1295 i); 1296 return PTR_ERR(regulator); 1297 } 1298 1299 if (config.ena_gpiod) { 1300 ret = s2mps14_pmic_enable_ext_control(s2mps11, 1301 regulator); 1302 if (ret < 0) { 1303 dev_err(&pdev->dev, 1304 "failed to enable GPIO control over %s: %d\n", 1305 regulator->desc->name, ret); 1306 return ret; 1307 } 1308 } 1309 } 1310 1311 return 0; 1312 } 1313 1314 static const struct platform_device_id s2mps11_pmic_id[] = { 1315 { "s2mps11-regulator", S2MPS11X}, 1316 { "s2mps13-regulator", S2MPS13X}, 1317 { "s2mps14-regulator", S2MPS14X}, 1318 { "s2mps15-regulator", S2MPS15X}, 1319 { "s2mpu02-regulator", S2MPU02}, 1320 { "s2mpu05-regulator", S2MPU05}, 1321 { }, 1322 }; 1323 MODULE_DEVICE_TABLE(platform, s2mps11_pmic_id); 1324 1325 static struct platform_driver s2mps11_pmic_driver = { 1326 .driver = { 1327 .name = "s2mps11-pmic", 1328 .probe_type = PROBE_PREFER_ASYNCHRONOUS, 1329 }, 1330 .probe = s2mps11_pmic_probe, 1331 .id_table = s2mps11_pmic_id, 1332 }; 1333 1334 module_platform_driver(s2mps11_pmic_driver); 1335 1336 /* Module information */ 1337 MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>"); 1338 MODULE_DESCRIPTION("Samsung S2MPS11/14/15/S2MPU02/05 Regulator Driver"); 1339 MODULE_LICENSE("GPL"); 1340