drivers/regulator/palmas-regulator.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Driver for Regulator part of Palmas PMIC Chips
   4  *
   5  * Copyright 2011-2013 Texas Instruments Inc.
   6  *
   7  * Author: Graeme Gregory <gg@slimlogic.co.uk>
   8  * Author: Ian Lartey <ian@slimlogic.co.uk>
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/module.h>
  13 #include <linux/init.h>
  14 #include <linux/err.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/regulator/driver.h>
  17 #include <linux/regulator/machine.h>
  18 #include <linux/slab.h>
  19 #include <linux/regmap.h>
  20 #include <linux/mfd/palmas.h>
  21 #include <linux/of.h>
  22 #include <linux/of_platform.h>
  23 #include <linux/regulator/of_regulator.h>
  24
  25 static const struct linear_range smps_low_ranges[] = {
  26         REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
  27         REGULATOR_LINEAR_RANGE(500000, 0x1, 0x6, 0),
  28         REGULATOR_LINEAR_RANGE(510000, 0x7, 0x79, 10000),
  29         REGULATOR_LINEAR_RANGE(1650000, 0x7A, 0x7f, 0),
  30 };
  31
  32 static const struct linear_range smps_high_ranges[] = {
  33         REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
  34         REGULATOR_LINEAR_RANGE(1000000, 0x1, 0x6, 0),
  35         REGULATOR_LINEAR_RANGE(1020000, 0x7, 0x79, 20000),
  36         REGULATOR_LINEAR_RANGE(3300000, 0x7A, 0x7f, 0),
  37 };
  38
  39 static struct palmas_regs_info palmas_generic_regs_info[] = {
  40         {
  41                 .name           = "SMPS12",
  42                 .sname          = "smps1-in",
  43                 .vsel_addr      = PALMAS_SMPS12_VOLTAGE,
  44                 .ctrl_addr      = PALMAS_SMPS12_CTRL,
  45                 .tstep_addr     = PALMAS_SMPS12_TSTEP,
  46                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS12,
  47         },
  48         {
  49                 .name           = "SMPS123",
  50                 .sname          = "smps1-in",
  51                 .vsel_addr      = PALMAS_SMPS12_VOLTAGE,
  52                 .ctrl_addr      = PALMAS_SMPS12_CTRL,
  53                 .tstep_addr     = PALMAS_SMPS12_TSTEP,
  54                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS12,
  55         },
  56         {
  57                 .name           = "SMPS3",
  58                 .sname          = "smps3-in",
  59                 .vsel_addr      = PALMAS_SMPS3_VOLTAGE,
  60                 .ctrl_addr      = PALMAS_SMPS3_CTRL,
  61                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS3,
  62         },
  63         {
  64                 .name           = "SMPS45",
  65                 .sname          = "smps4-in",
  66                 .vsel_addr      = PALMAS_SMPS45_VOLTAGE,
  67                 .ctrl_addr      = PALMAS_SMPS45_CTRL,
  68                 .tstep_addr     = PALMAS_SMPS45_TSTEP,
  69                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS45,
  70         },
  71         {
  72                 .name           = "SMPS457",
  73                 .sname          = "smps4-in",
  74                 .vsel_addr      = PALMAS_SMPS45_VOLTAGE,
  75                 .ctrl_addr      = PALMAS_SMPS45_CTRL,
  76                 .tstep_addr     = PALMAS_SMPS45_TSTEP,
  77                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS45,
  78         },
  79         {
  80                 .name           = "SMPS6",
  81                 .sname          = "smps6-in",
  82                 .vsel_addr      = PALMAS_SMPS6_VOLTAGE,
  83                 .ctrl_addr      = PALMAS_SMPS6_CTRL,
  84                 .tstep_addr     = PALMAS_SMPS6_TSTEP,
  85                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS6,
  86         },
  87         {
  88                 .name           = "SMPS7",
  89                 .sname          = "smps7-in",
  90                 .vsel_addr      = PALMAS_SMPS7_VOLTAGE,
  91                 .ctrl_addr      = PALMAS_SMPS7_CTRL,
  92                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS7,
  93         },
  94         {
  95                 .name           = "SMPS8",
  96                 .sname          = "smps8-in",
  97                 .vsel_addr      = PALMAS_SMPS8_VOLTAGE,
  98                 .ctrl_addr      = PALMAS_SMPS8_CTRL,
  99                 .tstep_addr     = PALMAS_SMPS8_TSTEP,
 100                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS8,
 101         },
 102         {
 103                 .name           = "SMPS9",
 104                 .sname          = "smps9-in",
 105                 .vsel_addr      = PALMAS_SMPS9_VOLTAGE,
 106                 .ctrl_addr      = PALMAS_SMPS9_CTRL,
 107                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS9,
 108         },
 109         {
 110                 .name           = "SMPS10_OUT2",
 111                 .sname          = "smps10-in",
 112                 .ctrl_addr      = PALMAS_SMPS10_CTRL,
 113                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS10,
 114         },
 115         {
 116                 .name           = "SMPS10_OUT1",
 117                 .sname          = "smps10-out2",
 118                 .ctrl_addr      = PALMAS_SMPS10_CTRL,
 119                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS10,
 120         },
 121         {
 122                 .name           = "LDO1",
 123                 .sname          = "ldo1-in",
 124                 .vsel_addr      = PALMAS_LDO1_VOLTAGE,
 125                 .ctrl_addr      = PALMAS_LDO1_CTRL,
 126                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO1,
 127         },
 128         {
 129                 .name           = "LDO2",
 130                 .sname          = "ldo2-in",
 131                 .vsel_addr      = PALMAS_LDO2_VOLTAGE,
 132                 .ctrl_addr      = PALMAS_LDO2_CTRL,
 133                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO2,
 134         },
 135         {
 136                 .name           = "LDO3",
 137                 .sname          = "ldo3-in",
 138                 .vsel_addr      = PALMAS_LDO3_VOLTAGE,
 139                 .ctrl_addr      = PALMAS_LDO3_CTRL,
 140                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO3,
 141         },
 142         {
 143                 .name           = "LDO4",
 144                 .sname          = "ldo4-in",
 145                 .vsel_addr      = PALMAS_LDO4_VOLTAGE,
 146                 .ctrl_addr      = PALMAS_LDO4_CTRL,
 147                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO4,
 148         },
 149         {
 150                 .name           = "LDO5",
 151                 .sname          = "ldo5-in",
 152                 .vsel_addr      = PALMAS_LDO5_VOLTAGE,
 153                 .ctrl_addr      = PALMAS_LDO5_CTRL,
 154                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO5,
 155         },
 156         {
 157                 .name           = "LDO6",
 158                 .sname          = "ldo6-in",
 159                 .vsel_addr      = PALMAS_LDO6_VOLTAGE,
 160                 .ctrl_addr      = PALMAS_LDO6_CTRL,
 161                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO6,
 162         },
 163         {
 164                 .name           = "LDO7",
 165                 .sname          = "ldo7-in",
 166                 .vsel_addr      = PALMAS_LDO7_VOLTAGE,
 167                 .ctrl_addr      = PALMAS_LDO7_CTRL,
 168                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO7,
 169         },
 170         {
 171                 .name           = "LDO8",
 172                 .sname          = "ldo8-in",
 173                 .vsel_addr      = PALMAS_LDO8_VOLTAGE,
 174                 .ctrl_addr      = PALMAS_LDO8_CTRL,
 175                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO8,
 176         },
 177         {
 178                 .name           = "LDO9",
 179                 .sname          = "ldo9-in",
 180                 .vsel_addr      = PALMAS_LDO9_VOLTAGE,
 181                 .ctrl_addr      = PALMAS_LDO9_CTRL,
 182                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO9,
 183         },
 184         {
 185                 .name           = "LDOLN",
 186                 .sname          = "ldoln-in",
 187                 .vsel_addr      = PALMAS_LDOLN_VOLTAGE,
 188                 .ctrl_addr      = PALMAS_LDOLN_CTRL,
 189                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDOLN,
 190         },
 191         {
 192                 .name           = "LDOUSB",
 193                 .sname          = "ldousb-in",
 194                 .vsel_addr      = PALMAS_LDOUSB_VOLTAGE,
 195                 .ctrl_addr      = PALMAS_LDOUSB_CTRL,
 196                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDOUSB,
 197         },
 198         {
 199                 .name           = "REGEN1",
 200                 .ctrl_addr      = PALMAS_REGEN1_CTRL,
 201                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_REGEN1,
 202         },
 203         {
 204                 .name           = "REGEN2",
 205                 .ctrl_addr      = PALMAS_REGEN2_CTRL,
 206                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_REGEN2,
 207         },
 208         {
 209                 .name           = "REGEN3",
 210                 .ctrl_addr      = PALMAS_REGEN3_CTRL,
 211                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_REGEN3,
 212         },
 213         {
 214                 .name           = "SYSEN1",
 215                 .ctrl_addr      = PALMAS_SYSEN1_CTRL,
 216                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SYSEN1,
 217         },
 218         {
 219                 .name           = "SYSEN2",
 220                 .ctrl_addr      = PALMAS_SYSEN2_CTRL,
 221                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SYSEN2,
 222         },
 223 };
 224
 225 static struct palmas_regs_info tps65917_regs_info[] = {
 226         {
 227                 .name           = "SMPS1",
 228                 .sname          = "smps1-in",
 229                 .vsel_addr      = TPS65917_SMPS1_VOLTAGE,
 230                 .ctrl_addr      = TPS65917_SMPS1_CTRL,
 231                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS1,
 232         },
 233         {
 234                 .name           = "SMPS2",
 235                 .sname          = "smps2-in",
 236                 .vsel_addr      = TPS65917_SMPS2_VOLTAGE,
 237                 .ctrl_addr      = TPS65917_SMPS2_CTRL,
 238                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS2,
 239         },
 240         {
 241                 .name           = "SMPS3",
 242                 .sname          = "smps3-in",
 243                 .vsel_addr      = TPS65917_SMPS3_VOLTAGE,
 244                 .ctrl_addr      = TPS65917_SMPS3_CTRL,
 245                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS3,
 246         },
 247         {
 248                 .name           = "SMPS4",
 249                 .sname          = "smps4-in",
 250                 .vsel_addr      = TPS65917_SMPS4_VOLTAGE,
 251                 .ctrl_addr      = TPS65917_SMPS4_CTRL,
 252                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS4,
 253         },
 254         {
 255                 .name           = "SMPS5",
 256                 .sname          = "smps5-in",
 257                 .vsel_addr      = TPS65917_SMPS5_VOLTAGE,
 258                 .ctrl_addr      = TPS65917_SMPS5_CTRL,
 259                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS5,
 260         },
 261         {
 262                 .name           = "SMPS12",
 263                 .sname          = "smps1-in",
 264                 .vsel_addr      = TPS65917_SMPS1_VOLTAGE,
 265                 .ctrl_addr      = TPS65917_SMPS1_CTRL,
 266                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS12,
 267         },
 268         {
 269                 .name           = "LDO1",
 270                 .sname          = "ldo1-in",
 271                 .vsel_addr      = TPS65917_LDO1_VOLTAGE,
 272                 .ctrl_addr      = TPS65917_LDO1_CTRL,
 273                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO1,
 274         },
 275         {
 276                 .name           = "LDO2",
 277                 .sname          = "ldo2-in",
 278                 .vsel_addr      = TPS65917_LDO2_VOLTAGE,
 279                 .ctrl_addr      = TPS65917_LDO2_CTRL,
 280                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO2,
 281         },
 282         {
 283                 .name           = "LDO3",
 284                 .sname          = "ldo3-in",
 285                 .vsel_addr      = TPS65917_LDO3_VOLTAGE,
 286                 .ctrl_addr      = TPS65917_LDO3_CTRL,
 287                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO3,
 288         },
 289         {
 290                 .name           = "LDO4",
 291                 .sname          = "ldo4-in",
 292                 .vsel_addr      = TPS65917_LDO4_VOLTAGE,
 293                 .ctrl_addr      = TPS65917_LDO4_CTRL,
 294                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO4,
 295         },
 296         {
 297                 .name           = "LDO5",
 298                 .sname          = "ldo5-in",
 299                 .vsel_addr      = TPS65917_LDO5_VOLTAGE,
 300                 .ctrl_addr      = TPS65917_LDO5_CTRL,
 301                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO5,
 302         },
 303         {
 304                 .name           = "REGEN1",
 305                 .ctrl_addr      = TPS65917_REGEN1_CTRL,
 306                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_REGEN1,
 307         },
 308         {
 309                 .name           = "REGEN2",
 310                 .ctrl_addr      = TPS65917_REGEN2_CTRL,
 311                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_REGEN2,
 312         },
 313         {
 314                 .name           = "REGEN3",
 315                 .ctrl_addr      = TPS65917_REGEN3_CTRL,
 316                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_REGEN3,
 317         },
 318 };
 319
 320 #define EXTERNAL_REQUESTOR(_id, _offset, _pos)          \
 321         [PALMAS_EXTERNAL_REQSTR_ID_##_id] = {           \
 322                 .id = PALMAS_EXTERNAL_REQSTR_ID_##_id,  \
 323                 .reg_offset = _offset,                  \
 324                 .bit_pos = _pos,                        \
 325         }
 326
 327 static struct palmas_sleep_requestor_info palma_sleep_req_info[] = {
 328         EXTERNAL_REQUESTOR(REGEN1, 0, 0),
 329         EXTERNAL_REQUESTOR(REGEN2, 0, 1),
 330         EXTERNAL_REQUESTOR(SYSEN1, 0, 2),
 331         EXTERNAL_REQUESTOR(SYSEN2, 0, 3),
 332         EXTERNAL_REQUESTOR(CLK32KG, 0, 4),
 333         EXTERNAL_REQUESTOR(CLK32KGAUDIO, 0, 5),
 334         EXTERNAL_REQUESTOR(REGEN3, 0, 6),
 335         EXTERNAL_REQUESTOR(SMPS12, 1, 0),
 336         EXTERNAL_REQUESTOR(SMPS3, 1, 1),
 337         EXTERNAL_REQUESTOR(SMPS45, 1, 2),
 338         EXTERNAL_REQUESTOR(SMPS6, 1, 3),
 339         EXTERNAL_REQUESTOR(SMPS7, 1, 4),
 340         EXTERNAL_REQUESTOR(SMPS8, 1, 5),
 341         EXTERNAL_REQUESTOR(SMPS9, 1, 6),
 342         EXTERNAL_REQUESTOR(SMPS10, 1, 7),
 343         EXTERNAL_REQUESTOR(LDO1, 2, 0),
 344         EXTERNAL_REQUESTOR(LDO2, 2, 1),
 345         EXTERNAL_REQUESTOR(LDO3, 2, 2),
 346         EXTERNAL_REQUESTOR(LDO4, 2, 3),
 347         EXTERNAL_REQUESTOR(LDO5, 2, 4),
 348         EXTERNAL_REQUESTOR(LDO6, 2, 5),
 349         EXTERNAL_REQUESTOR(LDO7, 2, 6),
 350         EXTERNAL_REQUESTOR(LDO8, 2, 7),
 351         EXTERNAL_REQUESTOR(LDO9, 3, 0),
 352         EXTERNAL_REQUESTOR(LDOLN, 3, 1),
 353         EXTERNAL_REQUESTOR(LDOUSB, 3, 2),
 354 };
 355
 356 #define EXTERNAL_REQUESTOR_TPS65917(_id, _offset, _pos)         \
 357         [TPS65917_EXTERNAL_REQSTR_ID_##_id] = {         \
 358                 .id = TPS65917_EXTERNAL_REQSTR_ID_##_id,        \
 359                 .reg_offset = _offset,                  \
 360                 .bit_pos = _pos,                        \
 361         }
 362
 363 static struct palmas_sleep_requestor_info tps65917_sleep_req_info[] = {
 364         EXTERNAL_REQUESTOR_TPS65917(REGEN1, 0, 0),
 365         EXTERNAL_REQUESTOR_TPS65917(REGEN2, 0, 1),
 366         EXTERNAL_REQUESTOR_TPS65917(REGEN3, 0, 6),
 367         EXTERNAL_REQUESTOR_TPS65917(SMPS1, 1, 0),
 368         EXTERNAL_REQUESTOR_TPS65917(SMPS2, 1, 1),
 369         EXTERNAL_REQUESTOR_TPS65917(SMPS3, 1, 2),
 370         EXTERNAL_REQUESTOR_TPS65917(SMPS4, 1, 3),
 371         EXTERNAL_REQUESTOR_TPS65917(SMPS5, 1, 4),
 372         EXTERNAL_REQUESTOR_TPS65917(SMPS12, 1, 5),
 373         EXTERNAL_REQUESTOR_TPS65917(LDO1, 2, 0),
 374         EXTERNAL_REQUESTOR_TPS65917(LDO2, 2, 1),
 375         EXTERNAL_REQUESTOR_TPS65917(LDO3, 2, 2),
 376         EXTERNAL_REQUESTOR_TPS65917(LDO4, 2, 3),
 377         EXTERNAL_REQUESTOR_TPS65917(LDO5, 2, 4),
 378 };
 379
 380 static const unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500};
 381
 382 #define SMPS_CTRL_MODE_OFF              0x00
 383 #define SMPS_CTRL_MODE_ON               0x01
 384 #define SMPS_CTRL_MODE_ECO              0x02
 385 #define SMPS_CTRL_MODE_PWM              0x03
 386
 387 #define PALMAS_SMPS_NUM_VOLTAGES        122
 388 #define PALMAS_SMPS10_NUM_VOLTAGES      2
 389 #define PALMAS_LDO_NUM_VOLTAGES         50
 390
 391 #define SMPS10_VSEL                     (1<<3)
 392 #define SMPS10_BOOST_EN                 (1<<2)
 393 #define SMPS10_BYPASS_EN                (1<<1)
 394 #define SMPS10_SWITCH_EN                (1<<0)
 395
 396 #define REGULATOR_SLAVE                 0
 397
 398 static int palmas_smps_read(struct palmas *palmas, unsigned int reg,
 399                 unsigned int *dest)
 400 {
 401         unsigned int addr;
 402
 403         addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg);
 404
 405         return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest);
 406 }
 407
 408 static int palmas_smps_write(struct palmas *palmas, unsigned int reg,
 409                 unsigned int value)
 410 {
 411         unsigned int addr;
 412
 413         addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg);
 414
 415         return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value);
 416 }
 417
 418 static int palmas_ldo_read(struct palmas *palmas, unsigned int reg,
 419                 unsigned int *dest)
 420 {
 421         unsigned int addr;
 422
 423         addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg);
 424
 425         return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest);
 426 }
 427
 428 static int palmas_ldo_write(struct palmas *palmas, unsigned int reg,
 429                 unsigned int value)
 430 {
 431         unsigned int addr;
 432
 433         addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg);
 434
 435         return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value);
 436 }
 437
 438 static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
 439 {
 440         int id = rdev_get_id(dev);
 441         int ret;
 442         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 443         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 444         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 445         unsigned int reg;
 446         bool rail_enable = true;
 447
 448         ret = palmas_smps_read(pmic->palmas, rinfo->ctrl_addr, &reg);
 449         if (ret)
 450                 return ret;
 451
 452         reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 453
 454         if (reg == SMPS_CTRL_MODE_OFF)
 455                 rail_enable = false;
 456
 457         switch (mode) {
 458         case REGULATOR_MODE_NORMAL:
 459                 reg |= SMPS_CTRL_MODE_ON;
 460                 break;
 461         case REGULATOR_MODE_IDLE:
 462                 reg |= SMPS_CTRL_MODE_ECO;
 463                 break;
 464         case REGULATOR_MODE_FAST:
 465                 reg |= SMPS_CTRL_MODE_PWM;
 466                 break;
 467         default:
 468                 return -EINVAL;
 469         }
 470
 471         pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 472         if (rail_enable)
 473                 palmas_smps_write(pmic->palmas, rinfo->ctrl_addr, reg);
 474
 475         /* Switch the enable value to ensure this is used for enable */
 476         pmic->desc[id].enable_val = pmic->current_reg_mode[id];
 477
 478         return 0;
 479 }
 480
 481 static unsigned int palmas_get_mode_smps(struct regulator_dev *dev)
 482 {
 483         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 484         int id = rdev_get_id(dev);
 485         unsigned int reg;
 486
 487         reg = pmic->current_reg_mode[id] & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 488
 489         switch (reg) {
 490         case SMPS_CTRL_MODE_ON:
 491                 return REGULATOR_MODE_NORMAL;
 492         case SMPS_CTRL_MODE_ECO:
 493                 return REGULATOR_MODE_IDLE;
 494         case SMPS_CTRL_MODE_PWM:
 495                 return REGULATOR_MODE_FAST;
 496         }
 497
 498         return 0;
 499 }
 500
 501 static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev,
 502                  int ramp_delay)
 503 {
 504         int id = rdev_get_id(rdev);
 505         struct palmas_pmic *pmic = rdev_get_drvdata(rdev);
 506         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 507         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 508         unsigned int reg = 0;
 509         int ret;
 510
 511         /* SMPS3 and SMPS7 do not have tstep_addr setting */
 512         switch (id) {
 513         case PALMAS_REG_SMPS3:
 514         case PALMAS_REG_SMPS7:
 515                 return 0;
 516         }
 517
 518         if (ramp_delay <= 0)
 519                 reg = 0;
 520         else if (ramp_delay <= 2500)
 521                 reg = 3;
 522         else if (ramp_delay <= 5000)
 523                 reg = 2;
 524         else
 525                 reg = 1;
 526
 527         ret = palmas_smps_write(pmic->palmas, rinfo->tstep_addr, reg);
 528         if (ret < 0) {
 529                 dev_err(pmic->palmas->dev, "TSTEP write failed: %d\n", ret);
 530                 return ret;
 531         }
 532
 533         pmic->ramp_delay[id] = palmas_smps_ramp_delay[reg];
 534         return ret;
 535 }
 536
 537 static const struct regulator_ops palmas_ops_smps = {
 538         .is_enabled             = regulator_is_enabled_regmap,
 539         .enable                 = regulator_enable_regmap,
 540         .disable                = regulator_disable_regmap,
 541         .set_mode               = palmas_set_mode_smps,
 542         .get_mode               = palmas_get_mode_smps,
 543         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 544         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 545         .list_voltage           = regulator_list_voltage_linear_range,
 546         .map_voltage            = regulator_map_voltage_linear_range,
 547         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 548         .set_ramp_delay         = palmas_smps_set_ramp_delay,
 549 };
 550
 551 static const struct regulator_ops palmas_ops_ext_control_smps = {
 552         .set_mode               = palmas_set_mode_smps,
 553         .get_mode               = palmas_get_mode_smps,
 554         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 555         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 556         .list_voltage           = regulator_list_voltage_linear_range,
 557         .map_voltage            = regulator_map_voltage_linear_range,
 558         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 559         .set_ramp_delay         = palmas_smps_set_ramp_delay,
 560 };
 561
 562 static const struct regulator_ops palmas_ops_smps10 = {
 563         .is_enabled             = regulator_is_enabled_regmap,
 564         .enable                 = regulator_enable_regmap,
 565         .disable                = regulator_disable_regmap,
 566         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 567         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 568         .list_voltage           = regulator_list_voltage_linear,
 569         .map_voltage            = regulator_map_voltage_linear,
 570         .set_bypass             = regulator_set_bypass_regmap,
 571         .get_bypass             = regulator_get_bypass_regmap,
 572 };
 573
 574 static const struct regulator_ops tps65917_ops_smps = {
 575         .is_enabled             = regulator_is_enabled_regmap,
 576         .enable                 = regulator_enable_regmap,
 577         .disable                = regulator_disable_regmap,
 578         .set_mode               = palmas_set_mode_smps,
 579         .get_mode               = palmas_get_mode_smps,
 580         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 581         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 582         .list_voltage           = regulator_list_voltage_linear_range,
 583         .map_voltage            = regulator_map_voltage_linear_range,
 584         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 585 };
 586
 587 static const struct regulator_ops tps65917_ops_ext_control_smps = {
 588         .set_mode               = palmas_set_mode_smps,
 589         .get_mode               = palmas_get_mode_smps,
 590         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 591         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 592         .list_voltage           = regulator_list_voltage_linear_range,
 593         .map_voltage            = regulator_map_voltage_linear_range,
 594 };
 595
 596 static int palmas_is_enabled_ldo(struct regulator_dev *dev)
 597 {
 598         int id = rdev_get_id(dev);
 599         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 600         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 601         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 602         unsigned int reg;
 603
 604         palmas_ldo_read(pmic->palmas, rinfo->ctrl_addr, &reg);
 605
 606         reg &= PALMAS_LDO1_CTRL_STATUS;
 607
 608         return !!(reg);
 609 }
 610
 611 static const struct regulator_ops palmas_ops_ldo = {
 612         .is_enabled             = palmas_is_enabled_ldo,
 613         .enable                 = regulator_enable_regmap,
 614         .disable                = regulator_disable_regmap,
 615         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 616         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 617         .list_voltage           = regulator_list_voltage_linear,
 618         .map_voltage            = regulator_map_voltage_linear,
 619 };
 620
 621 static const struct regulator_ops palmas_ops_ldo9 = {
 622         .is_enabled             = palmas_is_enabled_ldo,
 623         .enable                 = regulator_enable_regmap,
 624         .disable                = regulator_disable_regmap,
 625         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 626         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 627         .list_voltage           = regulator_list_voltage_linear,
 628         .map_voltage            = regulator_map_voltage_linear,
 629         .set_bypass             = regulator_set_bypass_regmap,
 630         .get_bypass             = regulator_get_bypass_regmap,
 631 };
 632
 633 static const struct regulator_ops palmas_ops_ext_control_ldo = {
 634         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 635         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 636         .list_voltage           = regulator_list_voltage_linear,
 637         .map_voltage            = regulator_map_voltage_linear,
 638 };
 639
 640 static const struct regulator_ops palmas_ops_extreg = {
 641         .is_enabled             = regulator_is_enabled_regmap,
 642         .enable                 = regulator_enable_regmap,
 643         .disable                = regulator_disable_regmap,
 644 };
 645
 646 static const struct regulator_ops palmas_ops_ext_control_extreg = {
 647 };
 648
 649 static const struct regulator_ops tps65917_ops_ldo = {
 650         .is_enabled             = palmas_is_enabled_ldo,
 651         .enable                 = regulator_enable_regmap,
 652         .disable                = regulator_disable_regmap,
 653         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 654         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 655         .list_voltage           = regulator_list_voltage_linear,
 656         .map_voltage            = regulator_map_voltage_linear,
 657         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 658 };
 659
 660 static const struct regulator_ops tps65917_ops_ldo_1_2 = {
 661         .is_enabled             = palmas_is_enabled_ldo,
 662         .enable                 = regulator_enable_regmap,
 663         .disable                = regulator_disable_regmap,
 664         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 665         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 666         .list_voltage           = regulator_list_voltage_linear,
 667         .map_voltage            = regulator_map_voltage_linear,
 668         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 669         .set_bypass             = regulator_set_bypass_regmap,
 670         .get_bypass             = regulator_get_bypass_regmap,
 671 };
 672
 673 static int palmas_regulator_config_external(struct palmas *palmas, int id,
 674                 struct palmas_reg_init *reg_init)
 675 {
 676         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 677         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 678         int ret;
 679
 680         ret = palmas_ext_control_req_config(palmas, rinfo->sleep_id,
 681                                             reg_init->roof_floor, true);
 682         if (ret < 0)
 683                 dev_err(palmas->dev,
 684                         "Ext control config for regulator %d failed %d\n",
 685                         id, ret);
 686         return ret;
 687 }
 688
 689 /*
 690  * setup the hardware based sleep configuration of the SMPS/LDO regulators
 691  * from the platform data. This is different to the software based control
 692  * supported by the regulator framework as it is controlled by toggling
 693  * pins on the PMIC such as PREQ, SYSEN, ...
 694  */
 695 static int palmas_smps_init(struct palmas *palmas, int id,
 696                 struct palmas_reg_init *reg_init)
 697 {
 698         unsigned int reg;
 699         int ret;
 700         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 701         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 702         unsigned int addr = rinfo->ctrl_addr;
 703
 704         ret = palmas_smps_read(palmas, addr, &reg);
 705         if (ret)
 706                 return ret;
 707
 708         switch (id) {
 709         case PALMAS_REG_SMPS10_OUT1:
 710         case PALMAS_REG_SMPS10_OUT2:
 711                 reg &= ~PALMAS_SMPS10_CTRL_MODE_SLEEP_MASK;
 712                 if (reg_init->mode_sleep)
 713                         reg |= reg_init->mode_sleep <<
 714                                         PALMAS_SMPS10_CTRL_MODE_SLEEP_SHIFT;
 715                 break;
 716         default:
 717                 if (reg_init->warm_reset)
 718                         reg |= PALMAS_SMPS12_CTRL_WR_S;
 719                 else
 720                         reg &= ~PALMAS_SMPS12_CTRL_WR_S;
 721
 722                 if (reg_init->roof_floor)
 723                         reg |= PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
 724                 else
 725                         reg &= ~PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
 726
 727                 reg &= ~PALMAS_SMPS12_CTRL_MODE_SLEEP_MASK;
 728                 if (reg_init->mode_sleep)
 729                         reg |= reg_init->mode_sleep <<
 730                                         PALMAS_SMPS12_CTRL_MODE_SLEEP_SHIFT;
 731         }
 732
 733         ret = palmas_smps_write(palmas, addr, reg);
 734         if (ret)
 735                 return ret;
 736
 737         if (rinfo->vsel_addr && reg_init->vsel) {
 738
 739                 reg = reg_init->vsel;
 740
 741                 ret = palmas_smps_write(palmas, rinfo->vsel_addr, reg);
 742                 if (ret)
 743                         return ret;
 744         }
 745
 746         if (reg_init->roof_floor && (id != PALMAS_REG_SMPS10_OUT1) &&
 747                         (id != PALMAS_REG_SMPS10_OUT2)) {
 748                 /* Enable externally controlled regulator */
 749                 ret = palmas_smps_read(palmas, addr, &reg);
 750                 if (ret < 0)
 751                         return ret;
 752
 753                 if (!(reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK)) {
 754                         reg |= SMPS_CTRL_MODE_ON;
 755                         ret = palmas_smps_write(palmas, addr, reg);
 756                         if (ret < 0)
 757                                 return ret;
 758                 }
 759                 return palmas_regulator_config_external(palmas, id, reg_init);
 760         }
 761         return 0;
 762 }
 763
 764 static int palmas_ldo_init(struct palmas *palmas, int id,
 765                 struct palmas_reg_init *reg_init)
 766 {
 767         unsigned int reg;
 768         unsigned int addr;
 769         int ret;
 770         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 771         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 772
 773         addr = rinfo->ctrl_addr;
 774
 775         ret = palmas_ldo_read(palmas, addr, &reg);
 776         if (ret)
 777                 return ret;
 778
 779         if (reg_init->warm_reset)
 780                 reg |= PALMAS_LDO1_CTRL_WR_S;
 781         else
 782                 reg &= ~PALMAS_LDO1_CTRL_WR_S;
 783
 784         if (reg_init->mode_sleep)
 785                 reg |= PALMAS_LDO1_CTRL_MODE_SLEEP;
 786         else
 787                 reg &= ~PALMAS_LDO1_CTRL_MODE_SLEEP;
 788
 789         ret = palmas_ldo_write(palmas, addr, reg);
 790         if (ret)
 791                 return ret;
 792
 793         if (reg_init->roof_floor) {
 794                 /* Enable externally controlled regulator */
 795                 ret = palmas_update_bits(palmas, PALMAS_LDO_BASE,
 796                                 addr, PALMAS_LDO1_CTRL_MODE_ACTIVE,
 797                                 PALMAS_LDO1_CTRL_MODE_ACTIVE);
 798                 if (ret < 0) {
 799                         dev_err(palmas->dev,
 800                                 "LDO Register 0x%02x update failed %d\n",
 801                                 addr, ret);
 802                         return ret;
 803                 }
 804                 return palmas_regulator_config_external(palmas, id, reg_init);
 805         }
 806         return 0;
 807 }
 808
 809 static int palmas_extreg_init(struct palmas *palmas, int id,
 810                 struct palmas_reg_init *reg_init)
 811 {
 812         unsigned int addr;
 813         int ret;
 814         unsigned int val = 0;
 815         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 816         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 817
 818         addr = rinfo->ctrl_addr;
 819
 820         if (reg_init->mode_sleep)
 821                 val = PALMAS_REGEN1_CTRL_MODE_SLEEP;
 822
 823         ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
 824                         addr, PALMAS_REGEN1_CTRL_MODE_SLEEP, val);
 825         if (ret < 0) {
 826                 dev_err(palmas->dev, "Resource reg 0x%02x update failed %d\n",
 827                         addr, ret);
 828                 return ret;
 829         }
 830
 831         if (reg_init->roof_floor) {
 832                 /* Enable externally controlled regulator */
 833                 ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
 834                                 addr, PALMAS_REGEN1_CTRL_MODE_ACTIVE,
 835                                 PALMAS_REGEN1_CTRL_MODE_ACTIVE);
 836                 if (ret < 0) {
 837                         dev_err(palmas->dev,
 838                                 "Resource Register 0x%02x update failed %d\n",
 839                                 addr, ret);
 840                         return ret;
 841                 }
 842                 return palmas_regulator_config_external(palmas, id, reg_init);
 843         }
 844         return 0;
 845 }
 846
 847 static void palmas_enable_ldo8_track(struct palmas *palmas)
 848 {
 849         unsigned int reg;
 850         unsigned int addr;
 851         int ret;
 852         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 853         struct palmas_regs_info *rinfo;
 854
 855         rinfo = &ddata->palmas_regs_info[PALMAS_REG_LDO8];
 856         addr = rinfo->ctrl_addr;
 857
 858         ret = palmas_ldo_read(palmas, addr, &reg);
 859         if (ret) {
 860                 dev_err(palmas->dev, "Error in reading ldo8 control reg\n");
 861                 return;
 862         }
 863
 864         reg |= PALMAS_LDO8_CTRL_LDO_TRACKING_EN;
 865         ret = palmas_ldo_write(palmas, addr, reg);
 866         if (ret < 0) {
 867                 dev_err(palmas->dev, "Error in enabling tracking mode\n");
 868                 return;
 869         }
 870         /*
 871          * When SMPS45 is set to off and LDO8 tracking is enabled, the LDO8
 872          * output is defined by the LDO8_VOLTAGE.VSEL register divided by two,
 873          * and can be set from 0.45 to 1.65 V.
 874          */
 875         addr = rinfo->vsel_addr;
 876         ret = palmas_ldo_read(palmas, addr, &reg);
 877         if (ret) {
 878                 dev_err(palmas->dev, "Error in reading ldo8 voltage reg\n");
 879                 return;
 880         }
 881
 882         reg = (reg << 1) & PALMAS_LDO8_VOLTAGE_VSEL_MASK;
 883         ret = palmas_ldo_write(palmas, addr, reg);
 884         if (ret < 0)
 885                 dev_err(palmas->dev, "Error in setting ldo8 voltage reg\n");
 886
 887         return;
 888 }
 889
 890 static int palmas_ldo_registration(struct palmas_pmic *pmic,
 891                                    struct palmas_pmic_driver_data *ddata,
 892                                    struct palmas_pmic_platform_data *pdata,
 893                                    const char *pdev_name,
 894                                    struct regulator_config config)
 895 {
 896         int id, ret;
 897         struct regulator_dev *rdev;
 898         struct palmas_reg_init *reg_init;
 899         struct palmas_regs_info *rinfo;
 900         struct regulator_desc *desc;
 901
 902         for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
 903                 if (pdata && pdata->reg_init[id])
 904                         reg_init = pdata->reg_init[id];
 905                 else
 906                         reg_init = NULL;
 907
 908                 rinfo = &ddata->palmas_regs_info[id];
 909                 /* Miss out regulators which are not available due
 910                  * to alternate functions.
 911                  */
 912
 913                 /* Register the regulators */
 914                 desc = &pmic->desc[id];
 915                 desc->name = rinfo->name;
 916                 desc->id = id;
 917                 desc->type = REGULATOR_VOLTAGE;
 918                 desc->owner = THIS_MODULE;
 919
 920                 if (id < PALMAS_REG_REGEN1) {
 921                         desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES;
 922                         if (reg_init && reg_init->roof_floor)
 923                                 desc->ops = &palmas_ops_ext_control_ldo;
 924                         else
 925                                 desc->ops = &palmas_ops_ldo;
 926                         desc->min_uV = 900000;
 927                         desc->uV_step = 50000;
 928                         desc->linear_min_sel = 1;
 929                         desc->enable_time = 500;
 930                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
 931                                                             rinfo->vsel_addr);
 932                         desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
 933                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
 934                                                               rinfo->ctrl_addr);
 935                         desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
 936
 937                         /* Check if LDO8 is in tracking mode or not */
 938                         if (pdata && (id == PALMAS_REG_LDO8) &&
 939                             pdata->enable_ldo8_tracking) {
 940                                 palmas_enable_ldo8_track(pmic->palmas);
 941                                 desc->min_uV = 450000;
 942                                 desc->uV_step = 25000;
 943                         }
 944
 945                         /* LOD6 in vibrator mode will have enable time 2000us */
 946                         if (pdata && pdata->ldo6_vibrator &&
 947                             (id == PALMAS_REG_LDO6))
 948                                 desc->enable_time = 2000;
 949
 950                         if (id == PALMAS_REG_LDO9) {
 951                                 desc->ops = &palmas_ops_ldo9;
 952                                 desc->bypass_reg = desc->enable_reg;
 953                                 desc->bypass_val_on =
 954                                                 PALMAS_LDO9_CTRL_LDO_BYPASS_EN;
 955                                 desc->bypass_mask =
 956                                                 PALMAS_LDO9_CTRL_LDO_BYPASS_EN;
 957                         }
 958                 } else {
 959                         if (!ddata->has_regen3 && id == PALMAS_REG_REGEN3)
 960                                 continue;
 961
 962                         desc->n_voltages = 1;
 963                         if (reg_init && reg_init->roof_floor)
 964                                 desc->ops = &palmas_ops_ext_control_extreg;
 965                         else
 966                                 desc->ops = &palmas_ops_extreg;
 967                         desc->enable_reg =
 968                                         PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
 969                                                            rinfo->ctrl_addr);
 970                         desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
 971                 }
 972
 973                 if (pdata)
 974                         config.init_data = pdata->reg_data[id];
 975                 else
 976                         config.init_data = NULL;
 977
 978                 desc->supply_name = rinfo->sname;
 979                 config.of_node = ddata->palmas_matches[id].of_node;
 980
 981                 rdev = devm_regulator_register(pmic->dev, desc, &config);
 982                 if (IS_ERR(rdev)) {
 983                         dev_err(pmic->dev,
 984                                 "failed to register %s regulator\n",
 985                                 pdev_name);
 986                         return PTR_ERR(rdev);
 987                 }
 988
 989                 /* Initialise sleep/init values from platform data */
 990                 if (pdata) {
 991                         reg_init = pdata->reg_init[id];
 992                         if (reg_init) {
 993                                 if (id <= ddata->ldo_end)
 994                                         ret = palmas_ldo_init(pmic->palmas, id,
 995                                                               reg_init);
 996                                 else
 997                                         ret = palmas_extreg_init(pmic->palmas,
 998                                                                  id, reg_init);
 999                                 if (ret)
1000                                         return ret;
1001                         }
1002                 }
1003         }
1004
1005         return 0;
1006 }
1007
1008 static int tps65917_ldo_registration(struct palmas_pmic *pmic,
1009                                      struct palmas_pmic_driver_data *ddata,
1010                                      struct palmas_pmic_platform_data *pdata,
1011                                      const char *pdev_name,
1012                                      struct regulator_config config)
1013 {
1014         int id, ret;
1015         struct regulator_dev *rdev;
1016         struct palmas_reg_init *reg_init;
1017         struct palmas_regs_info *rinfo;
1018         struct regulator_desc *desc;
1019
1020         for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
1021                 if (pdata && pdata->reg_init[id])
1022                         reg_init = pdata->reg_init[id];
1023                 else
1024                         reg_init = NULL;
1025
1026                 /* Miss out regulators which are not available due
1027                  * to alternate functions.
1028                  */
1029                 rinfo = &ddata->palmas_regs_info[id];
1030
1031                 /* Register the regulators */
1032                 desc = &pmic->desc[id];
1033                 desc->name = rinfo->name;
1034                 desc->id = id;
1035                 desc->type = REGULATOR_VOLTAGE;
1036                 desc->owner = THIS_MODULE;
1037
1038                 if (id < TPS65917_REG_REGEN1) {
1039                         desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES;
1040                         if (reg_init && reg_init->roof_floor)
1041                                 desc->ops = &palmas_ops_ext_control_ldo;
1042                         else
1043                                 desc->ops = &tps65917_ops_ldo;
1044                         desc->min_uV = 900000;
1045                         desc->uV_step = 50000;
1046                         desc->linear_min_sel = 1;
1047                         desc->enable_time = 500;
1048                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
1049                                                             rinfo->vsel_addr);
1050                         desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
1051                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
1052                                                               rinfo->ctrl_addr);
1053                         desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
1054                         /*
1055                          * To be confirmed. Discussion on going with PMIC Team.
1056                          * It is of the order of ~60mV/uS.
1057                          */
1058                         desc->ramp_delay = 2500;
1059                         if (id == TPS65917_REG_LDO1 ||
1060                             id == TPS65917_REG_LDO2) {
1061                                 desc->ops = &tps65917_ops_ldo_1_2;
1062                                 desc->bypass_reg = desc->enable_reg;
1063                                 desc->bypass_val_on =
1064                                                 TPS65917_LDO1_CTRL_BYPASS_EN;
1065                                 desc->bypass_mask =
1066                                                 TPS65917_LDO1_CTRL_BYPASS_EN;
1067                         }
1068                 } else {
1069                         desc->n_voltages = 1;
1070                         if (reg_init && reg_init->roof_floor)
1071                                 desc->ops = &palmas_ops_ext_control_extreg;
1072                         else
1073                                 desc->ops = &palmas_ops_extreg;
1074                         desc->enable_reg =
1075                                         PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
1076                                                            rinfo->ctrl_addr);
1077                         desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
1078                 }
1079
1080                 if (pdata)
1081                         config.init_data = pdata->reg_data[id];
1082                 else
1083                         config.init_data = NULL;
1084
1085                 desc->supply_name = rinfo->sname;
1086                 config.of_node = ddata->palmas_matches[id].of_node;
1087
1088                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1089                 if (IS_ERR(rdev)) {
1090                         dev_err(pmic->dev,
1091                                 "failed to register %s regulator\n",
1092                                 pdev_name);
1093                         return PTR_ERR(rdev);
1094                 }
1095
1096                 /* Initialise sleep/init values from platform data */
1097                 if (pdata) {
1098                         reg_init = pdata->reg_init[id];
1099                         if (reg_init) {
1100                                 if (id < TPS65917_REG_REGEN1)
1101                                         ret = palmas_ldo_init(pmic->palmas,
1102                                                               id, reg_init);
1103                                 else
1104                                         ret = palmas_extreg_init(pmic->palmas,
1105                                                                  id, reg_init);
1106                                 if (ret)
1107                                         return ret;
1108                         }
1109                 }
1110         }
1111
1112         return 0;
1113 }
1114
1115 static int palmas_smps_registration(struct palmas_pmic *pmic,
1116                                     struct palmas_pmic_driver_data *ddata,
1117                                     struct palmas_pmic_platform_data *pdata,
1118                                     const char *pdev_name,
1119                                     struct regulator_config config)
1120 {
1121         int id, ret;
1122         unsigned int addr, reg;
1123         struct regulator_dev *rdev;
1124         struct palmas_reg_init *reg_init;
1125         struct palmas_regs_info *rinfo;
1126         struct regulator_desc *desc;
1127
1128         for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
1129                 bool ramp_delay_support = false;
1130
1131                 /*
1132                  * Miss out regulators which are not available due
1133                  * to slaving configurations.
1134                  */
1135                 switch (id) {
1136                 case PALMAS_REG_SMPS12:
1137                 case PALMAS_REG_SMPS3:
1138                         if (pmic->smps123)
1139                                 continue;
1140                         if (id == PALMAS_REG_SMPS12)
1141                                 ramp_delay_support = true;
1142                         break;
1143                 case PALMAS_REG_SMPS123:
1144                         if (!pmic->smps123)
1145                                 continue;
1146                         ramp_delay_support = true;
1147                         break;
1148                 case PALMAS_REG_SMPS45:
1149                 case PALMAS_REG_SMPS7:
1150                         if (pmic->smps457)
1151                                 continue;
1152                         if (id == PALMAS_REG_SMPS45)
1153                                 ramp_delay_support = true;
1154                         break;
1155                 case PALMAS_REG_SMPS457:
1156                         if (!pmic->smps457)
1157                                 continue;
1158                         ramp_delay_support = true;
1159                         break;
1160                 case PALMAS_REG_SMPS10_OUT1:
1161                 case PALMAS_REG_SMPS10_OUT2:
1162                         if (!PALMAS_PMIC_HAS(pmic->palmas, SMPS10_BOOST))
1163                                 continue;
1164                 }
1165                 rinfo = &ddata->palmas_regs_info[id];
1166                 desc = &pmic->desc[id];
1167
1168                 if ((id == PALMAS_REG_SMPS6) || (id == PALMAS_REG_SMPS8))
1169                         ramp_delay_support = true;
1170
1171                 if (ramp_delay_support) {
1172                         addr = rinfo->tstep_addr;
1173                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1174                         if (ret < 0) {
1175                                 dev_err(pmic->dev,
1176                                         "reading TSTEP reg failed: %d\n", ret);
1177                                 return ret;
1178                         }
1179                         desc->ramp_delay = palmas_smps_ramp_delay[reg & 0x3];
1180                         pmic->ramp_delay[id] = desc->ramp_delay;
1181                 }
1182
1183                 /* Initialise sleep/init values from platform data */
1184                 if (pdata && pdata->reg_init[id]) {
1185                         reg_init = pdata->reg_init[id];
1186                         ret = palmas_smps_init(pmic->palmas, id, reg_init);
1187                         if (ret)
1188                                 return ret;
1189                 } else {
1190                         reg_init = NULL;
1191                 }
1192
1193                 /* Register the regulators */
1194                 desc->name = rinfo->name;
1195                 desc->id = id;
1196
1197                 switch (id) {
1198                 case PALMAS_REG_SMPS10_OUT1:
1199                 case PALMAS_REG_SMPS10_OUT2:
1200                         desc->n_voltages = PALMAS_SMPS10_NUM_VOLTAGES;
1201                         desc->ops = &palmas_ops_smps10;
1202                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1203                                                             PALMAS_SMPS10_CTRL);
1204                         desc->vsel_mask = SMPS10_VSEL;
1205                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1206                                                             PALMAS_SMPS10_CTRL);
1207                         if (id == PALMAS_REG_SMPS10_OUT1)
1208                                 desc->enable_mask = SMPS10_SWITCH_EN;
1209                         else
1210                                 desc->enable_mask = SMPS10_BOOST_EN;
1211                         desc->bypass_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1212                                                             PALMAS_SMPS10_CTRL);
1213                         desc->bypass_val_on = SMPS10_BYPASS_EN;
1214                         desc->bypass_mask = SMPS10_BYPASS_EN;
1215                         desc->min_uV = 3750000;
1216                         desc->uV_step = 1250000;
1217                         break;
1218                 default:
1219                         /*
1220                          * Read and store the RANGE bit for later use
1221                          * This must be done before regulator is probed,
1222                          * otherwise we error in probe with unsupportable
1223                          * ranges. Read the current smps mode for later use.
1224                          */
1225                         addr = rinfo->vsel_addr;
1226                         desc->n_linear_ranges = 3;
1227
1228                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1229                         if (ret)
1230                                 return ret;
1231                         if (reg & PALMAS_SMPS12_VOLTAGE_RANGE)
1232                                 pmic->range[id] = 1;
1233                         if (pmic->range[id])
1234                                 desc->linear_ranges = smps_high_ranges;
1235                         else
1236                                 desc->linear_ranges = smps_low_ranges;
1237
1238                         if (reg_init && reg_init->roof_floor)
1239                                 desc->ops = &palmas_ops_ext_control_smps;
1240                         else
1241                                 desc->ops = &palmas_ops_smps;
1242                         desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
1243                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1244                                                             rinfo->vsel_addr);
1245                         desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
1246
1247                         /* Read the smps mode for later use. */
1248                         addr = rinfo->ctrl_addr;
1249                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1250                         if (ret)
1251                                 return ret;
1252                         pmic->current_reg_mode[id] = reg &
1253                                         PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1254
1255                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1256                                                               rinfo->ctrl_addr);
1257                         desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1258                         /* set_mode overrides this value */
1259                         desc->enable_val = SMPS_CTRL_MODE_ON;
1260                 }
1261
1262                 desc->type = REGULATOR_VOLTAGE;
1263                 desc->owner = THIS_MODULE;
1264
1265                 if (pdata)
1266                         config.init_data = pdata->reg_data[id];
1267                 else
1268                         config.init_data = NULL;
1269
1270                 desc->supply_name = rinfo->sname;
1271                 config.of_node = ddata->palmas_matches[id].of_node;
1272
1273                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1274                 if (IS_ERR(rdev)) {
1275                         dev_err(pmic->dev,
1276                                 "failed to register %s regulator\n",
1277                                 pdev_name);
1278                         return PTR_ERR(rdev);
1279                 }
1280         }
1281
1282         return 0;
1283 }
1284
1285 static int tps65917_smps_registration(struct palmas_pmic *pmic,
1286                                       struct palmas_pmic_driver_data *ddata,
1287                                       struct palmas_pmic_platform_data *pdata,
1288                                       const char *pdev_name,
1289                                       struct regulator_config config)
1290 {
1291         int id, ret;
1292         unsigned int addr, reg;
1293         struct regulator_dev *rdev;
1294         struct palmas_reg_init *reg_init;
1295         struct palmas_regs_info *rinfo;
1296         struct regulator_desc *desc;
1297
1298         for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
1299                 /*
1300                  * Miss out regulators which are not available due
1301                  * to slaving configurations.
1302                  */
1303                 desc = &pmic->desc[id];
1304                 desc->n_linear_ranges = 3;
1305                 if ((id == TPS65917_REG_SMPS2 || id == TPS65917_REG_SMPS1) &&
1306                     pmic->smps12)
1307                         continue;
1308
1309                 /* Initialise sleep/init values from platform data */
1310                 if (pdata && pdata->reg_init[id]) {
1311                         reg_init = pdata->reg_init[id];
1312                         ret = palmas_smps_init(pmic->palmas, id, reg_init);
1313                         if (ret)
1314                                 return ret;
1315                 } else {
1316                         reg_init = NULL;
1317                 }
1318                 rinfo = &ddata->palmas_regs_info[id];
1319
1320                 /* Register the regulators */
1321                 desc->name = rinfo->name;
1322                 desc->id = id;
1323
1324                 /*
1325                  * Read and store the RANGE bit for later use
1326                  * This must be done before regulator is probed,
1327                  * otherwise we error in probe with unsupportable
1328                  * ranges. Read the current smps mode for later use.
1329                  */
1330                 addr = rinfo->vsel_addr;
1331
1332                 ret = palmas_smps_read(pmic->palmas, addr, &reg);
1333                 if (ret)
1334                         return ret;
1335                 if (reg & TPS65917_SMPS1_VOLTAGE_RANGE)
1336                         pmic->range[id] = 1;
1337
1338                 if (pmic->range[id])
1339                         desc->linear_ranges = smps_high_ranges;
1340                 else
1341                         desc->linear_ranges = smps_low_ranges;
1342
1343                 if (reg_init && reg_init->roof_floor)
1344                         desc->ops = &tps65917_ops_ext_control_smps;
1345                 else
1346                         desc->ops = &tps65917_ops_smps;
1347                 desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
1348                 desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1349                                                     rinfo->vsel_addr);
1350                 desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
1351                 desc->ramp_delay = 2500;
1352
1353                 /* Read the smps mode for later use. */
1354                 addr = rinfo->ctrl_addr;
1355                 ret = palmas_smps_read(pmic->palmas, addr, &reg);
1356                 if (ret)
1357                         return ret;
1358                 pmic->current_reg_mode[id] = reg &
1359                                 PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1360                 desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1361                                                       rinfo->ctrl_addr);
1362                 desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1363                 /* set_mode overrides this value */
1364                 desc->enable_val = SMPS_CTRL_MODE_ON;
1365
1366                 desc->type = REGULATOR_VOLTAGE;
1367                 desc->owner = THIS_MODULE;
1368
1369                 if (pdata)
1370                         config.init_data = pdata->reg_data[id];
1371                 else
1372                         config.init_data = NULL;
1373
1374                 desc->supply_name = rinfo->sname;
1375                 config.of_node = ddata->palmas_matches[id].of_node;
1376
1377                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1378                 if (IS_ERR(rdev)) {
1379                         dev_err(pmic->dev,
1380                                 "failed to register %s regulator\n",
1381                                 pdev_name);
1382                         return PTR_ERR(rdev);
1383                 }
1384         }
1385
1386         return 0;
1387 }
1388
1389 static struct of_regulator_match palmas_matches[] = {
1390         { .name = "smps12", },
1391         { .name = "smps123", },
1392         { .name = "smps3", },
1393         { .name = "smps45", },
1394         { .name = "smps457", },
1395         { .name = "smps6", },
1396         { .name = "smps7", },
1397         { .name = "smps8", },
1398         { .name = "smps9", },
1399         { .name = "smps10_out2", },
1400         { .name = "smps10_out1", },
1401         { .name = "ldo1", },
1402         { .name = "ldo2", },
1403         { .name = "ldo3", },
1404         { .name = "ldo4", },
1405         { .name = "ldo5", },
1406         { .name = "ldo6", },
1407         { .name = "ldo7", },
1408         { .name = "ldo8", },
1409         { .name = "ldo9", },
1410         { .name = "ldoln", },
1411         { .name = "ldousb", },
1412         { .name = "regen1", },
1413         { .name = "regen2", },
1414         { .name = "regen3", },
1415         { .name = "sysen1", },
1416         { .name = "sysen2", },
1417 };
1418
1419 static struct of_regulator_match tps65917_matches[] = {
1420         { .name = "smps1", },
1421         { .name = "smps2", },
1422         { .name = "smps3", },
1423         { .name = "smps4", },
1424         { .name = "smps5", },
1425         { .name = "smps12",},
1426         { .name = "ldo1", },
1427         { .name = "ldo2", },
1428         { .name = "ldo3", },
1429         { .name = "ldo4", },
1430         { .name = "ldo5", },
1431         { .name = "regen1", },
1432         { .name = "regen2", },
1433         { .name = "regen3", },
1434         { .name = "sysen1", },
1435         { .name = "sysen2", },
1436 };
1437
1438 static struct palmas_pmic_driver_data palmas_ddata = {
1439         .smps_start = PALMAS_REG_SMPS12,
1440         .smps_end = PALMAS_REG_SMPS10_OUT1,
1441         .ldo_begin = PALMAS_REG_LDO1,
1442         .ldo_end = PALMAS_REG_LDOUSB,
1443         .max_reg = PALMAS_NUM_REGS,
1444         .has_regen3 = true,
1445         .palmas_regs_info = palmas_generic_regs_info,
1446         .palmas_matches = palmas_matches,
1447         .sleep_req_info = palma_sleep_req_info,
1448         .smps_register = palmas_smps_registration,
1449         .ldo_register = palmas_ldo_registration,
1450 };
1451
1452 static struct palmas_pmic_driver_data tps65917_ddata = {
1453         .smps_start = TPS65917_REG_SMPS1,
1454         .smps_end = TPS65917_REG_SMPS12,
1455         .ldo_begin = TPS65917_REG_LDO1,
1456         .ldo_end = TPS65917_REG_LDO5,
1457         .max_reg = TPS65917_NUM_REGS,
1458         .has_regen3 = true,
1459         .palmas_regs_info = tps65917_regs_info,
1460         .palmas_matches = tps65917_matches,
1461         .sleep_req_info = tps65917_sleep_req_info,
1462         .smps_register = tps65917_smps_registration,
1463         .ldo_register = tps65917_ldo_registration,
1464 };
1465
1466 static int palmas_dt_to_pdata(struct device *dev,
1467                               struct device_node *node,
1468                               struct palmas_pmic_platform_data *pdata,
1469                               struct palmas_pmic_driver_data *ddata)
1470 {
1471         struct device_node *regulators;
1472         u32 prop;
1473         int idx, ret;
1474
1475         regulators = of_get_child_by_name(node, "regulators");
1476         if (!regulators) {
1477                 dev_info(dev, "regulator node not found\n");
1478                 return 0;
1479         }
1480
1481         ret = of_regulator_match(dev, regulators, ddata->palmas_matches,
1482                                  ddata->max_reg);
1483         of_node_put(regulators);
1484         if (ret < 0) {
1485                 dev_err(dev, "Error parsing regulator init data: %d\n", ret);
1486                 return 0;
1487         }
1488
1489         for (idx = 0; idx < ddata->max_reg; idx++) {
1490                 struct of_regulator_match *match;
1491                 struct palmas_reg_init *rinit;
1492                 struct device_node *np;
1493
1494                 match = &ddata->palmas_matches[idx];
1495                 np = match->of_node;
1496
1497                 if (!match->init_data || !np)
1498                         continue;
1499
1500                 rinit = devm_kzalloc(dev, sizeof(*rinit), GFP_KERNEL);
1501                 if (!rinit)
1502                         return -ENOMEM;
1503
1504                 pdata->reg_data[idx] = match->init_data;
1505                 pdata->reg_init[idx] = rinit;
1506
1507                 rinit->warm_reset = of_property_read_bool(np, "ti,warm-reset");
1508                 ret = of_property_read_u32(np, "ti,roof-floor", &prop);
1509                 /* EINVAL: Property not found */
1510                 if (ret != -EINVAL) {
1511                         int econtrol;
1512
1513                         /* use default value, when no value is specified */
1514                         econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1515                         if (!ret) {
1516                                 switch (prop) {
1517                                 case 1:
1518                                         econtrol = PALMAS_EXT_CONTROL_ENABLE1;
1519                                         break;
1520                                 case 2:
1521                                         econtrol = PALMAS_EXT_CONTROL_ENABLE2;
1522                                         break;
1523                                 case 3:
1524                                         econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1525                                         break;
1526                                 default:
1527                                         WARN_ON(1);
1528                                         dev_warn(dev,
1529                                                  "%s: Invalid roof-floor option: %u\n",
1530                                                  match->name, prop);
1531                                         break;
1532                                 }
1533                         }
1534                         rinit->roof_floor = econtrol;
1535                 }
1536
1537                 ret = of_property_read_u32(np, "ti,mode-sleep", &prop);
1538                 if (!ret)
1539                         rinit->mode_sleep = prop;
1540
1541                 ret = of_property_read_bool(np, "ti,smps-range");
1542                 if (ret)
1543                         rinit->vsel = PALMAS_SMPS12_VOLTAGE_RANGE;
1544
1545                 if (idx == PALMAS_REG_LDO8)
1546                         pdata->enable_ldo8_tracking = of_property_read_bool(
1547                                                 np, "ti,enable-ldo8-tracking");
1548         }
1549
1550         pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator");
1551
1552         return 0;
1553 }
1554
1555 static const struct of_device_id of_palmas_match_tbl[] = {
1556         {
1557                 .compatible = "ti,palmas-pmic",
1558                 .data = &palmas_ddata,
1559         },
1560         {
1561                 .compatible = "ti,twl6035-pmic",
1562                 .data = &palmas_ddata,
1563         },
1564         {
1565                 .compatible = "ti,twl6036-pmic",
1566                 .data = &palmas_ddata,
1567         },
1568         {
1569                 .compatible = "ti,twl6037-pmic",
1570                 .data = &palmas_ddata,
1571         },
1572         {
1573                 .compatible = "ti,tps65913-pmic",
1574                 .data = &palmas_ddata,
1575         },
1576         {
1577                 .compatible = "ti,tps65914-pmic",
1578                 .data = &palmas_ddata,
1579         },
1580         {
1581                 .compatible = "ti,tps80036-pmic",
1582                 .data = &palmas_ddata,
1583         },
1584         {
1585                 .compatible = "ti,tps659038-pmic",
1586                 .data = &palmas_ddata,
1587         },
1588          {
1589                 .compatible = "ti,tps65917-pmic",
1590                 .data = &tps65917_ddata,
1591         },
1592         { /* end */ }
1593 };
1594
1595 static int palmas_regulators_probe(struct platform_device *pdev)
1596 {
1597         struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
1598         struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev);
1599         struct device_node *node = pdev->dev.of_node;
1600         struct palmas_pmic_driver_data *driver_data;
1601         struct regulator_config config = { };
1602         struct palmas_pmic *pmic;
1603         const char *pdev_name;
1604         const struct of_device_id *match;
1605         int ret = 0;
1606         unsigned int reg;
1607
1608         match = of_match_device(of_match_ptr(of_palmas_match_tbl), &pdev->dev);
1609
1610         if (!match)
1611                 return -ENODATA;
1612
1613         driver_data = (struct palmas_pmic_driver_data *)match->data;
1614         pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
1615         if (!pdata)
1616                 return -ENOMEM;
1617
1618         pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
1619         if (!pmic)
1620                 return -ENOMEM;
1621
1622         if (of_device_is_compatible(node, "ti,tps659038-pmic")) {
1623                 palmas_generic_regs_info[PALMAS_REG_REGEN2].ctrl_addr =
1624                                                         TPS659038_REGEN2_CTRL;
1625                 palmas_ddata.has_regen3 = false;
1626         }
1627
1628         pmic->dev = &pdev->dev;
1629         pmic->palmas = palmas;
1630         palmas->pmic = pmic;
1631         platform_set_drvdata(pdev, pmic);
1632         pmic->palmas->pmic_ddata = driver_data;
1633
1634         ret = palmas_dt_to_pdata(&pdev->dev, node, pdata, driver_data);
1635         if (ret)
1636                 return ret;
1637
1638         ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, &reg);
1639         if (ret)
1640                 return ret;
1641
1642         if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN) {
1643                 pmic->smps123 = 1;
1644                 pmic->smps12 = 1;
1645         }
1646
1647         if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN)
1648                 pmic->smps457 = 1;
1649
1650         config.regmap = palmas->regmap[REGULATOR_SLAVE];
1651         config.dev = &pdev->dev;
1652         config.driver_data = pmic;
1653         pdev_name = pdev->name;
1654
1655         ret = driver_data->smps_register(pmic, driver_data, pdata, pdev_name,
1656                                          config);
1657         if (ret)
1658                 return ret;
1659
1660         ret = driver_data->ldo_register(pmic, driver_data, pdata, pdev_name,
1661                                         config);
1662
1663         return ret;
1664 }
1665
1666 static struct platform_driver palmas_driver = {
1667         .driver = {
1668                 .name = "palmas-pmic",
1669                 .of_match_table = of_palmas_match_tbl,
1670         },
1671         .probe = palmas_regulators_probe,
1672 };
1673
1674 static int __init palmas_init(void)
1675 {
1676         return platform_driver_register(&palmas_driver);
1677 }
1678 subsys_initcall(palmas_init);
1679
1680 static void __exit palmas_exit(void)
1681 {
1682         platform_driver_unregister(&palmas_driver);
1683 }
1684 module_exit(palmas_exit);
1685
1686 MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>");
1687 MODULE_DESCRIPTION("Palmas voltage regulator driver");
1688 MODULE_LICENSE("GPL");
1689 MODULE_ALIAS("platform:palmas-pmic");
1690 MODULE_DEVICE_TABLE(of, of_palmas_match_tbl);