drivers/regulator/palmas-regulator.c

   1 /*
   2  * Driver for Regulator part of Palmas PMIC Chips
   3  *
   4  * Copyright 2011-2013 Texas Instruments Inc.
   5  *
   6  * Author: Graeme Gregory <gg@slimlogic.co.uk>
   7  * Author: Ian Lartey <ian@slimlogic.co.uk>
   8  *
   9  *  This program is free software; you can redistribute it and/or modify it
  10  *  under  the terms of the GNU General  Public License as published by the
  11  *  Free Software Foundation;  either version 2 of the License, or (at your
  12  *  option) any later version.
  13  *
  14  */
  15
  16 #include <linux/kernel.h>
  17 #include <linux/module.h>
  18 #include <linux/init.h>
  19 #include <linux/err.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/regulator/driver.h>
  22 #include <linux/regulator/machine.h>
  23 #include <linux/slab.h>
  24 #include <linux/regmap.h>
  25 #include <linux/mfd/palmas.h>
  26 #include <linux/of.h>
  27 #include <linux/of_platform.h>
  28 #include <linux/regulator/of_regulator.h>
  29
  30 static const struct regulator_linear_range smps_low_ranges[] = {
  31         REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
  32         REGULATOR_LINEAR_RANGE(500000, 0x1, 0x6, 0),
  33         REGULATOR_LINEAR_RANGE(510000, 0x7, 0x79, 10000),
  34         REGULATOR_LINEAR_RANGE(1650000, 0x7A, 0x7f, 0),
  35 };
  36
  37 static const struct regulator_linear_range smps_high_ranges[] = {
  38         REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
  39         REGULATOR_LINEAR_RANGE(1000000, 0x1, 0x6, 0),
  40         REGULATOR_LINEAR_RANGE(1020000, 0x7, 0x79, 20000),
  41         REGULATOR_LINEAR_RANGE(3300000, 0x7A, 0x7f, 0),
  42 };
  43
  44 static struct palmas_regs_info palmas_generic_regs_info[] = {
  45         {
  46                 .name           = "SMPS12",
  47                 .sname          = "smps1-in",
  48                 .vsel_addr      = PALMAS_SMPS12_VOLTAGE,
  49                 .ctrl_addr      = PALMAS_SMPS12_CTRL,
  50                 .tstep_addr     = PALMAS_SMPS12_TSTEP,
  51                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS12,
  52         },
  53         {
  54                 .name           = "SMPS123",
  55                 .sname          = "smps1-in",
  56                 .vsel_addr      = PALMAS_SMPS12_VOLTAGE,
  57                 .ctrl_addr      = PALMAS_SMPS12_CTRL,
  58                 .tstep_addr     = PALMAS_SMPS12_TSTEP,
  59                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS12,
  60         },
  61         {
  62                 .name           = "SMPS3",
  63                 .sname          = "smps3-in",
  64                 .vsel_addr      = PALMAS_SMPS3_VOLTAGE,
  65                 .ctrl_addr      = PALMAS_SMPS3_CTRL,
  66                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS3,
  67         },
  68         {
  69                 .name           = "SMPS45",
  70                 .sname          = "smps4-in",
  71                 .vsel_addr      = PALMAS_SMPS45_VOLTAGE,
  72                 .ctrl_addr      = PALMAS_SMPS45_CTRL,
  73                 .tstep_addr     = PALMAS_SMPS45_TSTEP,
  74                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS45,
  75         },
  76         {
  77                 .name           = "SMPS457",
  78                 .sname          = "smps4-in",
  79                 .vsel_addr      = PALMAS_SMPS45_VOLTAGE,
  80                 .ctrl_addr      = PALMAS_SMPS45_CTRL,
  81                 .tstep_addr     = PALMAS_SMPS45_TSTEP,
  82                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS45,
  83         },
  84         {
  85                 .name           = "SMPS6",
  86                 .sname          = "smps6-in",
  87                 .vsel_addr      = PALMAS_SMPS6_VOLTAGE,
  88                 .ctrl_addr      = PALMAS_SMPS6_CTRL,
  89                 .tstep_addr     = PALMAS_SMPS6_TSTEP,
  90                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS6,
  91         },
  92         {
  93                 .name           = "SMPS7",
  94                 .sname          = "smps7-in",
  95                 .vsel_addr      = PALMAS_SMPS7_VOLTAGE,
  96                 .ctrl_addr      = PALMAS_SMPS7_CTRL,
  97                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS7,
  98         },
  99         {
 100                 .name           = "SMPS8",
 101                 .sname          = "smps8-in",
 102                 .vsel_addr      = PALMAS_SMPS8_VOLTAGE,
 103                 .ctrl_addr      = PALMAS_SMPS8_CTRL,
 104                 .tstep_addr     = PALMAS_SMPS8_TSTEP,
 105                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS8,
 106         },
 107         {
 108                 .name           = "SMPS9",
 109                 .sname          = "smps9-in",
 110                 .vsel_addr      = PALMAS_SMPS9_VOLTAGE,
 111                 .ctrl_addr      = PALMAS_SMPS9_CTRL,
 112                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS9,
 113         },
 114         {
 115                 .name           = "SMPS10_OUT2",
 116                 .sname          = "smps10-in",
 117                 .ctrl_addr      = PALMAS_SMPS10_CTRL,
 118                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS10,
 119         },
 120         {
 121                 .name           = "SMPS10_OUT1",
 122                 .sname          = "smps10-out2",
 123                 .ctrl_addr      = PALMAS_SMPS10_CTRL,
 124                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS10,
 125         },
 126         {
 127                 .name           = "LDO1",
 128                 .sname          = "ldo1-in",
 129                 .vsel_addr      = PALMAS_LDO1_VOLTAGE,
 130                 .ctrl_addr      = PALMAS_LDO1_CTRL,
 131                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO1,
 132         },
 133         {
 134                 .name           = "LDO2",
 135                 .sname          = "ldo2-in",
 136                 .vsel_addr      = PALMAS_LDO2_VOLTAGE,
 137                 .ctrl_addr      = PALMAS_LDO2_CTRL,
 138                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO2,
 139         },
 140         {
 141                 .name           = "LDO3",
 142                 .sname          = "ldo3-in",
 143                 .vsel_addr      = PALMAS_LDO3_VOLTAGE,
 144                 .ctrl_addr      = PALMAS_LDO3_CTRL,
 145                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO3,
 146         },
 147         {
 148                 .name           = "LDO4",
 149                 .sname          = "ldo4-in",
 150                 .vsel_addr      = PALMAS_LDO4_VOLTAGE,
 151                 .ctrl_addr      = PALMAS_LDO4_CTRL,
 152                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO4,
 153         },
 154         {
 155                 .name           = "LDO5",
 156                 .sname          = "ldo5-in",
 157                 .vsel_addr      = PALMAS_LDO5_VOLTAGE,
 158                 .ctrl_addr      = PALMAS_LDO5_CTRL,
 159                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO5,
 160         },
 161         {
 162                 .name           = "LDO6",
 163                 .sname          = "ldo6-in",
 164                 .vsel_addr      = PALMAS_LDO6_VOLTAGE,
 165                 .ctrl_addr      = PALMAS_LDO6_CTRL,
 166                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO6,
 167         },
 168         {
 169                 .name           = "LDO7",
 170                 .sname          = "ldo7-in",
 171                 .vsel_addr      = PALMAS_LDO7_VOLTAGE,
 172                 .ctrl_addr      = PALMAS_LDO7_CTRL,
 173                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO7,
 174         },
 175         {
 176                 .name           = "LDO8",
 177                 .sname          = "ldo8-in",
 178                 .vsel_addr      = PALMAS_LDO8_VOLTAGE,
 179                 .ctrl_addr      = PALMAS_LDO8_CTRL,
 180                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO8,
 181         },
 182         {
 183                 .name           = "LDO9",
 184                 .sname          = "ldo9-in",
 185                 .vsel_addr      = PALMAS_LDO9_VOLTAGE,
 186                 .ctrl_addr      = PALMAS_LDO9_CTRL,
 187                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO9,
 188         },
 189         {
 190                 .name           = "LDOLN",
 191                 .sname          = "ldoln-in",
 192                 .vsel_addr      = PALMAS_LDOLN_VOLTAGE,
 193                 .ctrl_addr      = PALMAS_LDOLN_CTRL,
 194                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDOLN,
 195         },
 196         {
 197                 .name           = "LDOUSB",
 198                 .sname          = "ldousb-in",
 199                 .vsel_addr      = PALMAS_LDOUSB_VOLTAGE,
 200                 .ctrl_addr      = PALMAS_LDOUSB_CTRL,
 201                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDOUSB,
 202         },
 203         {
 204                 .name           = "REGEN1",
 205                 .ctrl_addr      = PALMAS_REGEN1_CTRL,
 206                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_REGEN1,
 207         },
 208         {
 209                 .name           = "REGEN2",
 210                 .ctrl_addr      = PALMAS_REGEN2_CTRL,
 211                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_REGEN2,
 212         },
 213         {
 214                 .name           = "REGEN3",
 215                 .ctrl_addr      = PALMAS_REGEN3_CTRL,
 216                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_REGEN3,
 217         },
 218         {
 219                 .name           = "SYSEN1",
 220                 .ctrl_addr      = PALMAS_SYSEN1_CTRL,
 221                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SYSEN1,
 222         },
 223         {
 224                 .name           = "SYSEN2",
 225                 .ctrl_addr      = PALMAS_SYSEN2_CTRL,
 226                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SYSEN2,
 227         },
 228 };
 229
 230 static struct palmas_regs_info tps65917_regs_info[] = {
 231         {
 232                 .name           = "SMPS1",
 233                 .sname          = "smps1-in",
 234                 .vsel_addr      = TPS65917_SMPS1_VOLTAGE,
 235                 .ctrl_addr      = TPS65917_SMPS1_CTRL,
 236                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS1,
 237         },
 238         {
 239                 .name           = "SMPS2",
 240                 .sname          = "smps2-in",
 241                 .vsel_addr      = TPS65917_SMPS2_VOLTAGE,
 242                 .ctrl_addr      = TPS65917_SMPS2_CTRL,
 243                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS2,
 244         },
 245         {
 246                 .name           = "SMPS3",
 247                 .sname          = "smps3-in",
 248                 .vsel_addr      = TPS65917_SMPS3_VOLTAGE,
 249                 .ctrl_addr      = TPS65917_SMPS3_CTRL,
 250                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS3,
 251         },
 252         {
 253                 .name           = "SMPS4",
 254                 .sname          = "smps4-in",
 255                 .vsel_addr      = TPS65917_SMPS4_VOLTAGE,
 256                 .ctrl_addr      = TPS65917_SMPS4_CTRL,
 257                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS4,
 258         },
 259         {
 260                 .name           = "SMPS5",
 261                 .sname          = "smps5-in",
 262                 .vsel_addr      = TPS65917_SMPS5_VOLTAGE,
 263                 .ctrl_addr      = TPS65917_SMPS5_CTRL,
 264                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS5,
 265         },
 266         {
 267                 .name           = "LDO1",
 268                 .sname          = "ldo1-in",
 269                 .vsel_addr      = TPS65917_LDO1_VOLTAGE,
 270                 .ctrl_addr      = TPS65917_LDO1_CTRL,
 271                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO1,
 272         },
 273         {
 274                 .name           = "LDO2",
 275                 .sname          = "ldo2-in",
 276                 .vsel_addr      = TPS65917_LDO2_VOLTAGE,
 277                 .ctrl_addr      = TPS65917_LDO2_CTRL,
 278                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO2,
 279         },
 280         {
 281                 .name           = "LDO3",
 282                 .sname          = "ldo3-in",
 283                 .vsel_addr      = TPS65917_LDO3_VOLTAGE,
 284                 .ctrl_addr      = TPS65917_LDO3_CTRL,
 285                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO3,
 286         },
 287         {
 288                 .name           = "LDO4",
 289                 .sname          = "ldo4-in",
 290                 .vsel_addr      = TPS65917_LDO4_VOLTAGE,
 291                 .ctrl_addr      = TPS65917_LDO4_CTRL,
 292                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO4,
 293         },
 294         {
 295                 .name           = "LDO5",
 296                 .sname          = "ldo5-in",
 297                 .vsel_addr      = TPS65917_LDO5_VOLTAGE,
 298                 .ctrl_addr      = TPS65917_LDO5_CTRL,
 299                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO5,
 300         },
 301         {
 302                 .name           = "REGEN1",
 303                 .ctrl_addr      = TPS65917_REGEN1_CTRL,
 304                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_REGEN1,
 305         },
 306         {
 307                 .name           = "REGEN2",
 308                 .ctrl_addr      = TPS65917_REGEN2_CTRL,
 309                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_REGEN2,
 310         },
 311         {
 312                 .name           = "REGEN3",
 313                 .ctrl_addr      = TPS65917_REGEN3_CTRL,
 314                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_REGEN3,
 315         },
 316 };
 317
 318 #define EXTERNAL_REQUESTOR(_id, _offset, _pos)          \
 319         [PALMAS_EXTERNAL_REQSTR_ID_##_id] = {           \
 320                 .id = PALMAS_EXTERNAL_REQSTR_ID_##_id,  \
 321                 .reg_offset = _offset,                  \
 322                 .bit_pos = _pos,                        \
 323         }
 324
 325 static struct palmas_sleep_requestor_info palma_sleep_req_info[] = {
 326         EXTERNAL_REQUESTOR(REGEN1, 0, 0),
 327         EXTERNAL_REQUESTOR(REGEN2, 0, 1),
 328         EXTERNAL_REQUESTOR(SYSEN1, 0, 2),
 329         EXTERNAL_REQUESTOR(SYSEN2, 0, 3),
 330         EXTERNAL_REQUESTOR(CLK32KG, 0, 4),
 331         EXTERNAL_REQUESTOR(CLK32KGAUDIO, 0, 5),
 332         EXTERNAL_REQUESTOR(REGEN3, 0, 6),
 333         EXTERNAL_REQUESTOR(SMPS12, 1, 0),
 334         EXTERNAL_REQUESTOR(SMPS3, 1, 1),
 335         EXTERNAL_REQUESTOR(SMPS45, 1, 2),
 336         EXTERNAL_REQUESTOR(SMPS6, 1, 3),
 337         EXTERNAL_REQUESTOR(SMPS7, 1, 4),
 338         EXTERNAL_REQUESTOR(SMPS8, 1, 5),
 339         EXTERNAL_REQUESTOR(SMPS9, 1, 6),
 340         EXTERNAL_REQUESTOR(SMPS10, 1, 7),
 341         EXTERNAL_REQUESTOR(LDO1, 2, 0),
 342         EXTERNAL_REQUESTOR(LDO2, 2, 1),
 343         EXTERNAL_REQUESTOR(LDO3, 2, 2),
 344         EXTERNAL_REQUESTOR(LDO4, 2, 3),
 345         EXTERNAL_REQUESTOR(LDO5, 2, 4),
 346         EXTERNAL_REQUESTOR(LDO6, 2, 5),
 347         EXTERNAL_REQUESTOR(LDO7, 2, 6),
 348         EXTERNAL_REQUESTOR(LDO8, 2, 7),
 349         EXTERNAL_REQUESTOR(LDO9, 3, 0),
 350         EXTERNAL_REQUESTOR(LDOLN, 3, 1),
 351         EXTERNAL_REQUESTOR(LDOUSB, 3, 2),
 352 };
 353
 354 #define EXTERNAL_REQUESTOR_TPS65917(_id, _offset, _pos)         \
 355         [TPS65917_EXTERNAL_REQSTR_ID_##_id] = {         \
 356                 .id = TPS65917_EXTERNAL_REQSTR_ID_##_id,        \
 357                 .reg_offset = _offset,                  \
 358                 .bit_pos = _pos,                        \
 359         }
 360
 361 static struct palmas_sleep_requestor_info tps65917_sleep_req_info[] = {
 362         EXTERNAL_REQUESTOR_TPS65917(REGEN1, 0, 0),
 363         EXTERNAL_REQUESTOR_TPS65917(REGEN2, 0, 1),
 364         EXTERNAL_REQUESTOR_TPS65917(REGEN3, 0, 6),
 365         EXTERNAL_REQUESTOR_TPS65917(SMPS1, 1, 0),
 366         EXTERNAL_REQUESTOR_TPS65917(SMPS2, 1, 1),
 367         EXTERNAL_REQUESTOR_TPS65917(SMPS3, 1, 2),
 368         EXTERNAL_REQUESTOR_TPS65917(SMPS4, 1, 3),
 369         EXTERNAL_REQUESTOR_TPS65917(SMPS5, 1, 4),
 370         EXTERNAL_REQUESTOR_TPS65917(LDO1, 2, 0),
 371         EXTERNAL_REQUESTOR_TPS65917(LDO2, 2, 1),
 372         EXTERNAL_REQUESTOR_TPS65917(LDO3, 2, 2),
 373         EXTERNAL_REQUESTOR_TPS65917(LDO4, 2, 3),
 374         EXTERNAL_REQUESTOR_TPS65917(LDO5, 2, 4),
 375 };
 376
 377 static unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500};
 378
 379 #define SMPS_CTRL_MODE_OFF              0x00
 380 #define SMPS_CTRL_MODE_ON               0x01
 381 #define SMPS_CTRL_MODE_ECO              0x02
 382 #define SMPS_CTRL_MODE_PWM              0x03
 383
 384 #define PALMAS_SMPS_NUM_VOLTAGES        122
 385 #define PALMAS_SMPS10_NUM_VOLTAGES      2
 386 #define PALMAS_LDO_NUM_VOLTAGES         50
 387
 388 #define SMPS10_VSEL                     (1<<3)
 389 #define SMPS10_BOOST_EN                 (1<<2)
 390 #define SMPS10_BYPASS_EN                (1<<1)
 391 #define SMPS10_SWITCH_EN                (1<<0)
 392
 393 #define REGULATOR_SLAVE                 0
 394
 395 static int palmas_smps_read(struct palmas *palmas, unsigned int reg,
 396                 unsigned int *dest)
 397 {
 398         unsigned int addr;
 399
 400         addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg);
 401
 402         return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest);
 403 }
 404
 405 static int palmas_smps_write(struct palmas *palmas, unsigned int reg,
 406                 unsigned int value)
 407 {
 408         unsigned int addr;
 409
 410         addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg);
 411
 412         return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value);
 413 }
 414
 415 static int palmas_ldo_read(struct palmas *palmas, unsigned int reg,
 416                 unsigned int *dest)
 417 {
 418         unsigned int addr;
 419
 420         addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg);
 421
 422         return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest);
 423 }
 424
 425 static int palmas_ldo_write(struct palmas *palmas, unsigned int reg,
 426                 unsigned int value)
 427 {
 428         unsigned int addr;
 429
 430         addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg);
 431
 432         return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value);
 433 }
 434
 435 static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
 436 {
 437         int id = rdev_get_id(dev);
 438         int ret;
 439         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 440         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 441         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 442         unsigned int reg;
 443         bool rail_enable = true;
 444
 445         ret = palmas_smps_read(pmic->palmas, rinfo->ctrl_addr, &reg);
 446         if (ret)
 447                 return ret;
 448
 449         reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 450
 451         if (reg == SMPS_CTRL_MODE_OFF)
 452                 rail_enable = false;
 453
 454         switch (mode) {
 455         case REGULATOR_MODE_NORMAL:
 456                 reg |= SMPS_CTRL_MODE_ON;
 457                 break;
 458         case REGULATOR_MODE_IDLE:
 459                 reg |= SMPS_CTRL_MODE_ECO;
 460                 break;
 461         case REGULATOR_MODE_FAST:
 462                 reg |= SMPS_CTRL_MODE_PWM;
 463                 break;
 464         default:
 465                 return -EINVAL;
 466         }
 467
 468         pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 469         if (rail_enable)
 470                 palmas_smps_write(pmic->palmas, rinfo->ctrl_addr, reg);
 471
 472         /* Switch the enable value to ensure this is used for enable */
 473         pmic->desc[id].enable_val = pmic->current_reg_mode[id];
 474
 475         return 0;
 476 }
 477
 478 static unsigned int palmas_get_mode_smps(struct regulator_dev *dev)
 479 {
 480         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 481         int id = rdev_get_id(dev);
 482         unsigned int reg;
 483
 484         reg = pmic->current_reg_mode[id] & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 485
 486         switch (reg) {
 487         case SMPS_CTRL_MODE_ON:
 488                 return REGULATOR_MODE_NORMAL;
 489         case SMPS_CTRL_MODE_ECO:
 490                 return REGULATOR_MODE_IDLE;
 491         case SMPS_CTRL_MODE_PWM:
 492                 return REGULATOR_MODE_FAST;
 493         }
 494
 495         return 0;
 496 }
 497
 498 static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev,
 499                  int ramp_delay)
 500 {
 501         int id = rdev_get_id(rdev);
 502         struct palmas_pmic *pmic = rdev_get_drvdata(rdev);
 503         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 504         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 505         unsigned int reg = 0;
 506         int ret;
 507
 508         /* SMPS3 and SMPS7 do not have tstep_addr setting */
 509         switch (id) {
 510         case PALMAS_REG_SMPS3:
 511         case PALMAS_REG_SMPS7:
 512                 return 0;
 513         }
 514
 515         if (ramp_delay <= 0)
 516                 reg = 0;
 517         else if (ramp_delay <= 2500)
 518                 reg = 3;
 519         else if (ramp_delay <= 5000)
 520                 reg = 2;
 521         else
 522                 reg = 1;
 523
 524         ret = palmas_smps_write(pmic->palmas, rinfo->tstep_addr, reg);
 525         if (ret < 0) {
 526                 dev_err(pmic->palmas->dev, "TSTEP write failed: %d\n", ret);
 527                 return ret;
 528         }
 529
 530         pmic->ramp_delay[id] = palmas_smps_ramp_delay[reg];
 531         return ret;
 532 }
 533
 534 static struct regulator_ops palmas_ops_smps = {
 535         .is_enabled             = regulator_is_enabled_regmap,
 536         .enable                 = regulator_enable_regmap,
 537         .disable                = regulator_disable_regmap,
 538         .set_mode               = palmas_set_mode_smps,
 539         .get_mode               = palmas_get_mode_smps,
 540         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 541         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 542         .list_voltage           = regulator_list_voltage_linear_range,
 543         .map_voltage            = regulator_map_voltage_linear_range,
 544         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 545         .set_ramp_delay         = palmas_smps_set_ramp_delay,
 546 };
 547
 548 static struct regulator_ops palmas_ops_ext_control_smps = {
 549         .set_mode               = palmas_set_mode_smps,
 550         .get_mode               = palmas_get_mode_smps,
 551         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 552         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 553         .list_voltage           = regulator_list_voltage_linear_range,
 554         .map_voltage            = regulator_map_voltage_linear_range,
 555         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 556         .set_ramp_delay         = palmas_smps_set_ramp_delay,
 557 };
 558
 559 static struct regulator_ops palmas_ops_smps10 = {
 560         .is_enabled             = regulator_is_enabled_regmap,
 561         .enable                 = regulator_enable_regmap,
 562         .disable                = regulator_disable_regmap,
 563         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 564         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 565         .list_voltage           = regulator_list_voltage_linear,
 566         .map_voltage            = regulator_map_voltage_linear,
 567         .set_bypass             = regulator_set_bypass_regmap,
 568         .get_bypass             = regulator_get_bypass_regmap,
 569 };
 570
 571 static struct regulator_ops tps65917_ops_smps = {
 572         .is_enabled             = regulator_is_enabled_regmap,
 573         .enable                 = regulator_enable_regmap,
 574         .disable                = regulator_disable_regmap,
 575         .set_mode               = palmas_set_mode_smps,
 576         .get_mode               = palmas_get_mode_smps,
 577         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 578         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 579         .list_voltage           = regulator_list_voltage_linear_range,
 580         .map_voltage            = regulator_map_voltage_linear_range,
 581         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 582 };
 583
 584 static struct regulator_ops tps65917_ops_ext_control_smps = {
 585         .set_mode               = palmas_set_mode_smps,
 586         .get_mode               = palmas_get_mode_smps,
 587         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 588         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 589         .list_voltage           = regulator_list_voltage_linear_range,
 590         .map_voltage            = regulator_map_voltage_linear_range,
 591 };
 592
 593 static int palmas_is_enabled_ldo(struct regulator_dev *dev)
 594 {
 595         int id = rdev_get_id(dev);
 596         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 597         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 598         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 599         unsigned int reg;
 600
 601         palmas_ldo_read(pmic->palmas, rinfo->ctrl_addr, &reg);
 602
 603         reg &= PALMAS_LDO1_CTRL_STATUS;
 604
 605         return !!(reg);
 606 }
 607
 608 static struct regulator_ops palmas_ops_ldo = {
 609         .is_enabled             = palmas_is_enabled_ldo,
 610         .enable                 = regulator_enable_regmap,
 611         .disable                = regulator_disable_regmap,
 612         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 613         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 614         .list_voltage           = regulator_list_voltage_linear,
 615         .map_voltage            = regulator_map_voltage_linear,
 616 };
 617
 618 static struct regulator_ops palmas_ops_ldo9 = {
 619         .is_enabled             = palmas_is_enabled_ldo,
 620         .enable                 = regulator_enable_regmap,
 621         .disable                = regulator_disable_regmap,
 622         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 623         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 624         .list_voltage           = regulator_list_voltage_linear,
 625         .map_voltage            = regulator_map_voltage_linear,
 626         .set_bypass             = regulator_set_bypass_regmap,
 627         .get_bypass             = regulator_get_bypass_regmap,
 628 };
 629
 630 static struct regulator_ops palmas_ops_ext_control_ldo = {
 631         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 632         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 633         .list_voltage           = regulator_list_voltage_linear,
 634         .map_voltage            = regulator_map_voltage_linear,
 635 };
 636
 637 static struct regulator_ops palmas_ops_extreg = {
 638         .is_enabled             = regulator_is_enabled_regmap,
 639         .enable                 = regulator_enable_regmap,
 640         .disable                = regulator_disable_regmap,
 641 };
 642
 643 static struct regulator_ops palmas_ops_ext_control_extreg = {
 644 };
 645
 646 static struct regulator_ops tps65917_ops_ldo = {
 647         .is_enabled             = palmas_is_enabled_ldo,
 648         .enable                 = regulator_enable_regmap,
 649         .disable                = regulator_disable_regmap,
 650         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 651         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 652         .list_voltage           = regulator_list_voltage_linear,
 653         .map_voltage            = regulator_map_voltage_linear,
 654         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 655 };
 656
 657 static struct regulator_ops tps65917_ops_ldo_1_2 = {
 658         .is_enabled             = palmas_is_enabled_ldo,
 659         .enable                 = regulator_enable_regmap,
 660         .disable                = regulator_disable_regmap,
 661         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 662         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 663         .list_voltage           = regulator_list_voltage_linear,
 664         .map_voltage            = regulator_map_voltage_linear,
 665         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 666         .set_bypass             = regulator_set_bypass_regmap,
 667         .get_bypass             = regulator_get_bypass_regmap,
 668 };
 669
 670 static int palmas_regulator_config_external(struct palmas *palmas, int id,
 671                 struct palmas_reg_init *reg_init)
 672 {
 673         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 674         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 675         int ret;
 676
 677         ret = palmas_ext_control_req_config(palmas, rinfo->sleep_id,
 678                                             reg_init->roof_floor, true);
 679         if (ret < 0)
 680                 dev_err(palmas->dev,
 681                         "Ext control config for regulator %d failed %d\n",
 682                         id, ret);
 683         return ret;
 684 }
 685
 686 /*
 687  * setup the hardware based sleep configuration of the SMPS/LDO regulators
 688  * from the platform data. This is different to the software based control
 689  * supported by the regulator framework as it is controlled by toggling
 690  * pins on the PMIC such as PREQ, SYSEN, ...
 691  */
 692 static int palmas_smps_init(struct palmas *palmas, int id,
 693                 struct palmas_reg_init *reg_init)
 694 {
 695         unsigned int reg;
 696         int ret;
 697         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 698         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 699         unsigned int addr = rinfo->ctrl_addr;
 700
 701         ret = palmas_smps_read(palmas, addr, &reg);
 702         if (ret)
 703                 return ret;
 704
 705         switch (id) {
 706         case PALMAS_REG_SMPS10_OUT1:
 707         case PALMAS_REG_SMPS10_OUT2:
 708                 reg &= ~PALMAS_SMPS10_CTRL_MODE_SLEEP_MASK;
 709                 if (reg_init->mode_sleep)
 710                         reg |= reg_init->mode_sleep <<
 711                                         PALMAS_SMPS10_CTRL_MODE_SLEEP_SHIFT;
 712                 break;
 713         default:
 714                 if (reg_init->warm_reset)
 715                         reg |= PALMAS_SMPS12_CTRL_WR_S;
 716                 else
 717                         reg &= ~PALMAS_SMPS12_CTRL_WR_S;
 718
 719                 if (reg_init->roof_floor)
 720                         reg |= PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
 721                 else
 722                         reg &= ~PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
 723
 724                 reg &= ~PALMAS_SMPS12_CTRL_MODE_SLEEP_MASK;
 725                 if (reg_init->mode_sleep)
 726                         reg |= reg_init->mode_sleep <<
 727                                         PALMAS_SMPS12_CTRL_MODE_SLEEP_SHIFT;
 728         }
 729
 730         ret = palmas_smps_write(palmas, addr, reg);
 731         if (ret)
 732                 return ret;
 733
 734         if (rinfo->vsel_addr && reg_init->vsel) {
 735
 736                 reg = reg_init->vsel;
 737
 738                 ret = palmas_smps_write(palmas, rinfo->vsel_addr, reg);
 739                 if (ret)
 740                         return ret;
 741         }
 742
 743         if (reg_init->roof_floor && (id != PALMAS_REG_SMPS10_OUT1) &&
 744                         (id != PALMAS_REG_SMPS10_OUT2)) {
 745                 /* Enable externally controlled regulator */
 746                 ret = palmas_smps_read(palmas, addr, &reg);
 747                 if (ret < 0)
 748                         return ret;
 749
 750                 if (!(reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK)) {
 751                         reg |= SMPS_CTRL_MODE_ON;
 752                         ret = palmas_smps_write(palmas, addr, reg);
 753                         if (ret < 0)
 754                                 return ret;
 755                 }
 756                 return palmas_regulator_config_external(palmas, id, reg_init);
 757         }
 758         return 0;
 759 }
 760
 761 static int palmas_ldo_init(struct palmas *palmas, int id,
 762                 struct palmas_reg_init *reg_init)
 763 {
 764         unsigned int reg;
 765         unsigned int addr;
 766         int ret;
 767         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 768         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 769
 770         addr = rinfo->ctrl_addr;
 771
 772         ret = palmas_ldo_read(palmas, addr, &reg);
 773         if (ret)
 774                 return ret;
 775
 776         if (reg_init->warm_reset)
 777                 reg |= PALMAS_LDO1_CTRL_WR_S;
 778         else
 779                 reg &= ~PALMAS_LDO1_CTRL_WR_S;
 780
 781         if (reg_init->mode_sleep)
 782                 reg |= PALMAS_LDO1_CTRL_MODE_SLEEP;
 783         else
 784                 reg &= ~PALMAS_LDO1_CTRL_MODE_SLEEP;
 785
 786         ret = palmas_ldo_write(palmas, addr, reg);
 787         if (ret)
 788                 return ret;
 789
 790         if (reg_init->roof_floor) {
 791                 /* Enable externally controlled regulator */
 792                 ret = palmas_update_bits(palmas, PALMAS_LDO_BASE,
 793                                 addr, PALMAS_LDO1_CTRL_MODE_ACTIVE,
 794                                 PALMAS_LDO1_CTRL_MODE_ACTIVE);
 795                 if (ret < 0) {
 796                         dev_err(palmas->dev,
 797                                 "LDO Register 0x%02x update failed %d\n",
 798                                 addr, ret);
 799                         return ret;
 800                 }
 801                 return palmas_regulator_config_external(palmas, id, reg_init);
 802         }
 803         return 0;
 804 }
 805
 806 static int palmas_extreg_init(struct palmas *palmas, int id,
 807                 struct palmas_reg_init *reg_init)
 808 {
 809         unsigned int addr;
 810         int ret;
 811         unsigned int val = 0;
 812         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 813         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 814
 815         addr = rinfo->ctrl_addr;
 816
 817         if (reg_init->mode_sleep)
 818                 val = PALMAS_REGEN1_CTRL_MODE_SLEEP;
 819
 820         ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
 821                         addr, PALMAS_REGEN1_CTRL_MODE_SLEEP, val);
 822         if (ret < 0) {
 823                 dev_err(palmas->dev, "Resource reg 0x%02x update failed %d\n",
 824                         addr, ret);
 825                 return ret;
 826         }
 827
 828         if (reg_init->roof_floor) {
 829                 /* Enable externally controlled regulator */
 830                 ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
 831                                 addr, PALMAS_REGEN1_CTRL_MODE_ACTIVE,
 832                                 PALMAS_REGEN1_CTRL_MODE_ACTIVE);
 833                 if (ret < 0) {
 834                         dev_err(palmas->dev,
 835                                 "Resource Register 0x%02x update failed %d\n",
 836                                 addr, ret);
 837                         return ret;
 838                 }
 839                 return palmas_regulator_config_external(palmas, id, reg_init);
 840         }
 841         return 0;
 842 }
 843
 844 static void palmas_enable_ldo8_track(struct palmas *palmas)
 845 {
 846         unsigned int reg;
 847         unsigned int addr;
 848         int ret;
 849         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 850         struct palmas_regs_info *rinfo;
 851
 852         rinfo = &ddata->palmas_regs_info[PALMAS_REG_LDO8];
 853         addr = rinfo->ctrl_addr;
 854
 855         ret = palmas_ldo_read(palmas, addr, &reg);
 856         if (ret) {
 857                 dev_err(palmas->dev, "Error in reading ldo8 control reg\n");
 858                 return;
 859         }
 860
 861         reg |= PALMAS_LDO8_CTRL_LDO_TRACKING_EN;
 862         ret = palmas_ldo_write(palmas, addr, reg);
 863         if (ret < 0) {
 864                 dev_err(palmas->dev, "Error in enabling tracking mode\n");
 865                 return;
 866         }
 867         /*
 868          * When SMPS45 is set to off and LDO8 tracking is enabled, the LDO8
 869          * output is defined by the LDO8_VOLTAGE.VSEL register divided by two,
 870          * and can be set from 0.45 to 1.65 V.
 871          */
 872         addr = rinfo->vsel_addr;
 873         ret = palmas_ldo_read(palmas, addr, &reg);
 874         if (ret) {
 875                 dev_err(palmas->dev, "Error in reading ldo8 voltage reg\n");
 876                 return;
 877         }
 878
 879         reg = (reg << 1) & PALMAS_LDO8_VOLTAGE_VSEL_MASK;
 880         ret = palmas_ldo_write(palmas, addr, reg);
 881         if (ret < 0)
 882                 dev_err(palmas->dev, "Error in setting ldo8 voltage reg\n");
 883
 884         return;
 885 }
 886
 887 static int palmas_ldo_registration(struct palmas_pmic *pmic,
 888                                    struct palmas_pmic_driver_data *ddata,
 889                                    struct palmas_pmic_platform_data *pdata,
 890                                    const char *pdev_name,
 891                                    struct regulator_config config)
 892 {
 893         int id, ret;
 894         struct regulator_dev *rdev;
 895         struct palmas_reg_init *reg_init;
 896         struct palmas_regs_info *rinfo;
 897         struct regulator_desc *desc;
 898
 899         for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
 900                 if (pdata && pdata->reg_init[id])
 901                         reg_init = pdata->reg_init[id];
 902                 else
 903                         reg_init = NULL;
 904
 905                 rinfo = &ddata->palmas_regs_info[id];
 906                 /* Miss out regulators which are not available due
 907                  * to alternate functions.
 908                  */
 909
 910                 /* Register the regulators */
 911                 desc = &pmic->desc[id];
 912                 desc->name = rinfo->name;
 913                 desc->id = id;
 914                 desc->type = REGULATOR_VOLTAGE;
 915                 desc->owner = THIS_MODULE;
 916
 917                 if (id < PALMAS_REG_REGEN1) {
 918                         desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES;
 919                         if (reg_init && reg_init->roof_floor)
 920                                 desc->ops = &palmas_ops_ext_control_ldo;
 921                         else
 922                                 desc->ops = &palmas_ops_ldo;
 923                         desc->min_uV = 900000;
 924                         desc->uV_step = 50000;
 925                         desc->linear_min_sel = 1;
 926                         desc->enable_time = 500;
 927                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
 928                                                             rinfo->vsel_addr);
 929                         desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
 930                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
 931                                                               rinfo->ctrl_addr);
 932                         desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
 933
 934                         /* Check if LDO8 is in tracking mode or not */
 935                         if (pdata && (id == PALMAS_REG_LDO8) &&
 936                             pdata->enable_ldo8_tracking) {
 937                                 palmas_enable_ldo8_track(pmic->palmas);
 938                                 desc->min_uV = 450000;
 939                                 desc->uV_step = 25000;
 940                         }
 941
 942                         /* LOD6 in vibrator mode will have enable time 2000us */
 943                         if (pdata && pdata->ldo6_vibrator &&
 944                             (id == PALMAS_REG_LDO6))
 945                                 desc->enable_time = 2000;
 946
 947                         if (id == PALMAS_REG_LDO9) {
 948                                 desc->ops = &palmas_ops_ldo9;
 949                                 desc->bypass_reg = desc->enable_reg;
 950                                 desc->bypass_val_on =
 951                                                 PALMAS_LDO9_CTRL_LDO_BYPASS_EN;
 952                                 desc->bypass_mask =
 953                                                 PALMAS_LDO9_CTRL_LDO_BYPASS_EN;
 954                         }
 955                 } else {
 956                         if (!ddata->has_regen3 && id == PALMAS_REG_REGEN3)
 957                                 continue;
 958
 959                         desc->n_voltages = 1;
 960                         if (reg_init && reg_init->roof_floor)
 961                                 desc->ops = &palmas_ops_ext_control_extreg;
 962                         else
 963                                 desc->ops = &palmas_ops_extreg;
 964                         desc->enable_reg =
 965                                         PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
 966                                                            rinfo->ctrl_addr);
 967                         desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
 968                 }
 969
 970                 if (pdata)
 971                         config.init_data = pdata->reg_data[id];
 972                 else
 973                         config.init_data = NULL;
 974
 975                 desc->supply_name = rinfo->sname;
 976                 config.of_node = ddata->palmas_matches[id].of_node;
 977
 978                 rdev = devm_regulator_register(pmic->dev, desc, &config);
 979                 if (IS_ERR(rdev)) {
 980                         dev_err(pmic->dev,
 981                                 "failed to register %s regulator\n",
 982                                 pdev_name);
 983                         return PTR_ERR(rdev);
 984                 }
 985
 986                 /* Save regulator for cleanup */
 987                 pmic->rdev[id] = rdev;
 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                 /* Save regulator for cleanup */
1097                 pmic->rdev[id] = rdev;
1098
1099                 /* Initialise sleep/init values from platform data */
1100                 if (pdata) {
1101                         reg_init = pdata->reg_init[id];
1102                         if (reg_init) {
1103                                 if (id < TPS65917_REG_REGEN1)
1104                                         ret = palmas_ldo_init(pmic->palmas,
1105                                                               id, reg_init);
1106                                 else
1107                                         ret = palmas_extreg_init(pmic->palmas,
1108                                                                  id, reg_init);
1109                                 if (ret)
1110                                         return ret;
1111                         }
1112                 }
1113         }
1114
1115         return 0;
1116 }
1117
1118 static int palmas_smps_registration(struct palmas_pmic *pmic,
1119                                     struct palmas_pmic_driver_data *ddata,
1120                                     struct palmas_pmic_platform_data *pdata,
1121                                     const char *pdev_name,
1122                                     struct regulator_config config)
1123 {
1124         int id, ret;
1125         unsigned int addr, reg;
1126         struct regulator_dev *rdev;
1127         struct palmas_reg_init *reg_init;
1128         struct palmas_regs_info *rinfo;
1129         struct regulator_desc *desc;
1130
1131         for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
1132                 bool ramp_delay_support = false;
1133
1134                 /*
1135                  * Miss out regulators which are not available due
1136                  * to slaving configurations.
1137                  */
1138                 switch (id) {
1139                 case PALMAS_REG_SMPS12:
1140                 case PALMAS_REG_SMPS3:
1141                         if (pmic->smps123)
1142                                 continue;
1143                         if (id == PALMAS_REG_SMPS12)
1144                                 ramp_delay_support = true;
1145                         break;
1146                 case PALMAS_REG_SMPS123:
1147                         if (!pmic->smps123)
1148                                 continue;
1149                         ramp_delay_support = true;
1150                         break;
1151                 case PALMAS_REG_SMPS45:
1152                 case PALMAS_REG_SMPS7:
1153                         if (pmic->smps457)
1154                                 continue;
1155                         if (id == PALMAS_REG_SMPS45)
1156                                 ramp_delay_support = true;
1157                         break;
1158                 case PALMAS_REG_SMPS457:
1159                         if (!pmic->smps457)
1160                                 continue;
1161                         ramp_delay_support = true;
1162                         break;
1163                 case PALMAS_REG_SMPS10_OUT1:
1164                 case PALMAS_REG_SMPS10_OUT2:
1165                         if (!PALMAS_PMIC_HAS(pmic->palmas, SMPS10_BOOST))
1166                                 continue;
1167                 }
1168                 rinfo = &ddata->palmas_regs_info[id];
1169                 desc = &pmic->desc[id];
1170
1171                 if ((id == PALMAS_REG_SMPS6) || (id == PALMAS_REG_SMPS8))
1172                         ramp_delay_support = true;
1173
1174                 if (ramp_delay_support) {
1175                         addr = rinfo->tstep_addr;
1176                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1177                         if (ret < 0) {
1178                                 dev_err(pmic->dev,
1179                                         "reading TSTEP reg failed: %d\n", ret);
1180                                 return ret;
1181                         }
1182                         desc->ramp_delay = palmas_smps_ramp_delay[reg & 0x3];
1183                         pmic->ramp_delay[id] = desc->ramp_delay;
1184                 }
1185
1186                 /* Initialise sleep/init values from platform data */
1187                 if (pdata && pdata->reg_init[id]) {
1188                         reg_init = pdata->reg_init[id];
1189                         ret = palmas_smps_init(pmic->palmas, id, reg_init);
1190                         if (ret)
1191                                 return ret;
1192                 } else {
1193                         reg_init = NULL;
1194                 }
1195
1196                 /* Register the regulators */
1197                 desc->name = rinfo->name;
1198                 desc->id = id;
1199
1200                 switch (id) {
1201                 case PALMAS_REG_SMPS10_OUT1:
1202                 case PALMAS_REG_SMPS10_OUT2:
1203                         desc->n_voltages = PALMAS_SMPS10_NUM_VOLTAGES;
1204                         desc->ops = &palmas_ops_smps10;
1205                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1206                                                             PALMAS_SMPS10_CTRL);
1207                         desc->vsel_mask = SMPS10_VSEL;
1208                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1209                                                             PALMAS_SMPS10_CTRL);
1210                         if (id == PALMAS_REG_SMPS10_OUT1)
1211                                 desc->enable_mask = SMPS10_SWITCH_EN;
1212                         else
1213                                 desc->enable_mask = SMPS10_BOOST_EN;
1214                         desc->bypass_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1215                                                             PALMAS_SMPS10_CTRL);
1216                         desc->bypass_val_on = SMPS10_BYPASS_EN;
1217                         desc->bypass_mask = SMPS10_BYPASS_EN;
1218                         desc->min_uV = 3750000;
1219                         desc->uV_step = 1250000;
1220                         break;
1221                 default:
1222                         /*
1223                          * Read and store the RANGE bit for later use
1224                          * This must be done before regulator is probed,
1225                          * otherwise we error in probe with unsupportable
1226                          * ranges. Read the current smps mode for later use.
1227                          */
1228                         addr = rinfo->vsel_addr;
1229                         desc->n_linear_ranges = 3;
1230
1231                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1232                         if (ret)
1233                                 return ret;
1234                         if (reg & PALMAS_SMPS12_VOLTAGE_RANGE)
1235                                 pmic->range[id] = 1;
1236                         if (pmic->range[id])
1237                                 desc->linear_ranges = smps_high_ranges;
1238                         else
1239                                 desc->linear_ranges = smps_low_ranges;
1240
1241                         if (reg_init && reg_init->roof_floor)
1242                                 desc->ops = &palmas_ops_ext_control_smps;
1243                         else
1244                                 desc->ops = &palmas_ops_smps;
1245                         desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
1246                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1247                                                             rinfo->vsel_addr);
1248                         desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
1249
1250                         /* Read the smps mode for later use. */
1251                         addr = rinfo->ctrl_addr;
1252                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1253                         if (ret)
1254                                 return ret;
1255                         pmic->current_reg_mode[id] = reg &
1256                                         PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1257
1258                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1259                                                               rinfo->ctrl_addr);
1260                         desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1261                         /* set_mode overrides this value */
1262                         desc->enable_val = SMPS_CTRL_MODE_ON;
1263                 }
1264
1265                 desc->type = REGULATOR_VOLTAGE;
1266                 desc->owner = THIS_MODULE;
1267
1268                 if (pdata)
1269                         config.init_data = pdata->reg_data[id];
1270                 else
1271                         config.init_data = NULL;
1272
1273                 desc->supply_name = rinfo->sname;
1274                 config.of_node = ddata->palmas_matches[id].of_node;
1275
1276                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1277                 if (IS_ERR(rdev)) {
1278                         dev_err(pmic->dev,
1279                                 "failed to register %s regulator\n",
1280                                 pdev_name);
1281                         return PTR_ERR(rdev);
1282                 }
1283
1284                 /* Save regulator for cleanup */
1285                 pmic->rdev[id] = rdev;
1286         }
1287
1288         return 0;
1289 }
1290
1291 static int tps65917_smps_registration(struct palmas_pmic *pmic,
1292                                       struct palmas_pmic_driver_data *ddata,
1293                                       struct palmas_pmic_platform_data *pdata,
1294                                       const char *pdev_name,
1295                                       struct regulator_config config)
1296 {
1297         int id, ret;
1298         unsigned int addr, reg;
1299         struct regulator_dev *rdev;
1300         struct palmas_reg_init *reg_init;
1301         struct palmas_regs_info *rinfo;
1302         struct regulator_desc *desc;
1303
1304         for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
1305                 /*
1306                  * Miss out regulators which are not available due
1307                  * to slaving configurations.
1308                  */
1309                 desc = &pmic->desc[id];
1310                 desc->n_linear_ranges = 3;
1311                 if ((id == TPS65917_REG_SMPS2) && pmic->smps12)
1312                         continue;
1313
1314                 /* Initialise sleep/init values from platform data */
1315                 if (pdata && pdata->reg_init[id]) {
1316                         reg_init = pdata->reg_init[id];
1317                         ret = palmas_smps_init(pmic->palmas, id, reg_init);
1318                         if (ret)
1319                                 return ret;
1320                 } else {
1321                         reg_init = NULL;
1322                 }
1323                 rinfo = &ddata->palmas_regs_info[id];
1324
1325                 /* Register the regulators */
1326                 desc->name = rinfo->name;
1327                 desc->id = id;
1328
1329                 /*
1330                  * Read and store the RANGE bit for later use
1331                  * This must be done before regulator is probed,
1332                  * otherwise we error in probe with unsupportable
1333                  * ranges. Read the current smps mode for later use.
1334                  */
1335                 addr = rinfo->vsel_addr;
1336
1337                 ret = palmas_smps_read(pmic->palmas, addr, &reg);
1338                 if (ret)
1339                         return ret;
1340                 if (reg & TPS65917_SMPS1_VOLTAGE_RANGE)
1341                         pmic->range[id] = 1;
1342
1343                 if (pmic->range[id])
1344                         desc->linear_ranges = smps_high_ranges;
1345                 else
1346                         desc->linear_ranges = smps_low_ranges;
1347
1348                 if (reg_init && reg_init->roof_floor)
1349                         desc->ops = &tps65917_ops_ext_control_smps;
1350                 else
1351                         desc->ops = &tps65917_ops_smps;
1352                 desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
1353                 desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1354                                                     rinfo->vsel_addr);
1355                 desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
1356                 desc->ramp_delay = 2500;
1357
1358                 /* Read the smps mode for later use. */
1359                 addr = rinfo->ctrl_addr;
1360                 ret = palmas_smps_read(pmic->palmas, addr, &reg);
1361                 if (ret)
1362                         return ret;
1363                 pmic->current_reg_mode[id] = reg &
1364                                 PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1365                 desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1366                                                       rinfo->ctrl_addr);
1367                 desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1368                 /* set_mode overrides this value */
1369                 desc->enable_val = SMPS_CTRL_MODE_ON;
1370
1371                 desc->type = REGULATOR_VOLTAGE;
1372                 desc->owner = THIS_MODULE;
1373
1374                 if (pdata)
1375                         config.init_data = pdata->reg_data[id];
1376                 else
1377                         config.init_data = NULL;
1378
1379                 desc->supply_name = rinfo->sname;
1380                 config.of_node = ddata->palmas_matches[id].of_node;
1381
1382                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1383                 if (IS_ERR(rdev)) {
1384                         dev_err(pmic->dev,
1385                                 "failed to register %s regulator\n",
1386                                 pdev_name);
1387                         return PTR_ERR(rdev);
1388                 }
1389
1390                 /* Save regulator for cleanup */
1391                 pmic->rdev[id] = rdev;
1392         }
1393
1394         return 0;
1395 }
1396
1397 static struct of_regulator_match palmas_matches[] = {
1398         { .name = "smps12", },
1399         { .name = "smps123", },
1400         { .name = "smps3", },
1401         { .name = "smps45", },
1402         { .name = "smps457", },
1403         { .name = "smps6", },
1404         { .name = "smps7", },
1405         { .name = "smps8", },
1406         { .name = "smps9", },
1407         { .name = "smps10_out2", },
1408         { .name = "smps10_out1", },
1409         { .name = "ldo1", },
1410         { .name = "ldo2", },
1411         { .name = "ldo3", },
1412         { .name = "ldo4", },
1413         { .name = "ldo5", },
1414         { .name = "ldo6", },
1415         { .name = "ldo7", },
1416         { .name = "ldo8", },
1417         { .name = "ldo9", },
1418         { .name = "ldoln", },
1419         { .name = "ldousb", },
1420         { .name = "regen1", },
1421         { .name = "regen2", },
1422         { .name = "regen3", },
1423         { .name = "sysen1", },
1424         { .name = "sysen2", },
1425 };
1426
1427 static struct of_regulator_match tps65917_matches[] = {
1428         { .name = "smps1", },
1429         { .name = "smps2", },
1430         { .name = "smps3", },
1431         { .name = "smps4", },
1432         { .name = "smps5", },
1433         { .name = "ldo1", },
1434         { .name = "ldo2", },
1435         { .name = "ldo3", },
1436         { .name = "ldo4", },
1437         { .name = "ldo5", },
1438         { .name = "regen1", },
1439         { .name = "regen2", },
1440         { .name = "regen3", },
1441         { .name = "sysen1", },
1442         { .name = "sysen2", },
1443 };
1444
1445 static struct palmas_pmic_driver_data palmas_ddata = {
1446         .smps_start = PALMAS_REG_SMPS12,
1447         .smps_end = PALMAS_REG_SMPS10_OUT1,
1448         .ldo_begin = PALMAS_REG_LDO1,
1449         .ldo_end = PALMAS_REG_LDOUSB,
1450         .max_reg = PALMAS_NUM_REGS,
1451         .has_regen3 = true,
1452         .palmas_regs_info = palmas_generic_regs_info,
1453         .palmas_matches = palmas_matches,
1454         .sleep_req_info = palma_sleep_req_info,
1455         .smps_register = palmas_smps_registration,
1456         .ldo_register = palmas_ldo_registration,
1457 };
1458
1459 static struct palmas_pmic_driver_data tps65917_ddata = {
1460         .smps_start = TPS65917_REG_SMPS1,
1461         .smps_end = TPS65917_REG_SMPS5,
1462         .ldo_begin = TPS65917_REG_LDO1,
1463         .ldo_end = TPS65917_REG_LDO5,
1464         .max_reg = TPS65917_NUM_REGS,
1465         .has_regen3 = true,
1466         .palmas_regs_info = tps65917_regs_info,
1467         .palmas_matches = tps65917_matches,
1468         .sleep_req_info = tps65917_sleep_req_info,
1469         .smps_register = tps65917_smps_registration,
1470         .ldo_register = tps65917_ldo_registration,
1471 };
1472
1473 static int palmas_dt_to_pdata(struct device *dev,
1474                               struct device_node *node,
1475                               struct palmas_pmic_platform_data *pdata,
1476                               struct palmas_pmic_driver_data *ddata)
1477 {
1478         struct device_node *regulators;
1479         u32 prop;
1480         int idx, ret;
1481
1482         regulators = of_get_child_by_name(node, "regulators");
1483         if (!regulators) {
1484                 dev_info(dev, "regulator node not found\n");
1485                 return 0;
1486         }
1487
1488         ret = of_regulator_match(dev, regulators, ddata->palmas_matches,
1489                                  ddata->max_reg);
1490         of_node_put(regulators);
1491         if (ret < 0) {
1492                 dev_err(dev, "Error parsing regulator init data: %d\n", ret);
1493                 return 0;
1494         }
1495
1496         for (idx = 0; idx < ddata->max_reg; idx++) {
1497                 static struct of_regulator_match *match;
1498                 struct palmas_reg_init *rinit;
1499                 struct device_node *np;
1500
1501                 match = &ddata->palmas_matches[idx];
1502                 np = match->of_node;
1503
1504                 if (!match->init_data || !np)
1505                         continue;
1506
1507                 rinit = devm_kzalloc(dev, sizeof(*rinit), GFP_KERNEL);
1508                 if (!rinit)
1509                         return -ENOMEM;
1510
1511                 pdata->reg_data[idx] = match->init_data;
1512                 pdata->reg_init[idx] = rinit;
1513
1514                 rinit->warm_reset = of_property_read_bool(np, "ti,warm-reset");
1515                 ret = of_property_read_u32(np, "ti,roof-floor", &prop);
1516                 /* EINVAL: Property not found */
1517                 if (ret != -EINVAL) {
1518                         int econtrol;
1519
1520                         /* use default value, when no value is specified */
1521                         econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1522                         if (!ret) {
1523                                 switch (prop) {
1524                                 case 1:
1525                                         econtrol = PALMAS_EXT_CONTROL_ENABLE1;
1526                                         break;
1527                                 case 2:
1528                                         econtrol = PALMAS_EXT_CONTROL_ENABLE2;
1529                                         break;
1530                                 case 3:
1531                                         econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1532                                         break;
1533                                 default:
1534                                         WARN_ON(1);
1535                                         dev_warn(dev,
1536                                                  "%s: Invalid roof-floor option: %u\n",
1537                                                  match->name, prop);
1538                                         break;
1539                                 }
1540                         }
1541                         rinit->roof_floor = econtrol;
1542                 }
1543
1544                 ret = of_property_read_u32(np, "ti,mode-sleep", &prop);
1545                 if (!ret)
1546                         rinit->mode_sleep = prop;
1547
1548                 ret = of_property_read_bool(np, "ti,smps-range");
1549                 if (ret)
1550                         rinit->vsel = PALMAS_SMPS12_VOLTAGE_RANGE;
1551
1552                 if (idx == PALMAS_REG_LDO8)
1553                         pdata->enable_ldo8_tracking = of_property_read_bool(
1554                                                 np, "ti,enable-ldo8-tracking");
1555         }
1556
1557         pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator");
1558
1559         return 0;
1560 }
1561
1562 static const struct of_device_id of_palmas_match_tbl[] = {
1563         {
1564                 .compatible = "ti,palmas-pmic",
1565                 .data = &palmas_ddata,
1566         },
1567         {
1568                 .compatible = "ti,twl6035-pmic",
1569                 .data = &palmas_ddata,
1570         },
1571         {
1572                 .compatible = "ti,twl6036-pmic",
1573                 .data = &palmas_ddata,
1574         },
1575         {
1576                 .compatible = "ti,twl6037-pmic",
1577                 .data = &palmas_ddata,
1578         },
1579         {
1580                 .compatible = "ti,tps65913-pmic",
1581                 .data = &palmas_ddata,
1582         },
1583         {
1584                 .compatible = "ti,tps65914-pmic",
1585                 .data = &palmas_ddata,
1586         },
1587         {
1588                 .compatible = "ti,tps80036-pmic",
1589                 .data = &palmas_ddata,
1590         },
1591         {
1592                 .compatible = "ti,tps659038-pmic",
1593                 .data = &palmas_ddata,
1594         },
1595          {
1596                 .compatible = "ti,tps65917-pmic",
1597                 .data = &tps65917_ddata,
1598         },
1599         { /* end */ }
1600 };
1601
1602 static int palmas_regulators_probe(struct platform_device *pdev)
1603 {
1604         struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
1605         struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev);
1606         struct device_node *node = pdev->dev.of_node;
1607         struct palmas_pmic_driver_data *driver_data;
1608         struct regulator_config config = { };
1609         struct palmas_pmic *pmic;
1610         const char *pdev_name;
1611         const struct of_device_id *match;
1612         int ret = 0;
1613         unsigned int reg;
1614
1615         match = of_match_device(of_match_ptr(of_palmas_match_tbl), &pdev->dev);
1616
1617         if (!match)
1618                 return -ENODATA;
1619
1620         driver_data = (struct palmas_pmic_driver_data *)match->data;
1621         pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
1622         if (!pdata)
1623                 return -ENOMEM;
1624
1625         pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
1626         if (!pmic)
1627                 return -ENOMEM;
1628
1629         if (of_device_is_compatible(node, "ti,tps659038-pmic")) {
1630                 palmas_generic_regs_info[PALMAS_REG_REGEN2].ctrl_addr =
1631                                                         TPS659038_REGEN2_CTRL;
1632                 palmas_ddata.has_regen3 = false;
1633         }
1634
1635         pmic->dev = &pdev->dev;
1636         pmic->palmas = palmas;
1637         palmas->pmic = pmic;
1638         platform_set_drvdata(pdev, pmic);
1639         pmic->palmas->pmic_ddata = driver_data;
1640
1641         ret = palmas_dt_to_pdata(&pdev->dev, node, pdata, driver_data);
1642         if (ret)
1643                 return ret;
1644
1645         ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, &reg);
1646         if (ret)
1647                 return ret;
1648
1649         if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN)
1650                 pmic->smps123 = 1;
1651
1652         if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN)
1653                 pmic->smps457 = 1;
1654
1655         config.regmap = palmas->regmap[REGULATOR_SLAVE];
1656         config.dev = &pdev->dev;
1657         config.driver_data = pmic;
1658         pdev_name = pdev->name;
1659
1660         ret = driver_data->smps_register(pmic, driver_data, pdata, pdev_name,
1661                                          config);
1662         if (ret)
1663                 return ret;
1664
1665         ret = driver_data->ldo_register(pmic, driver_data, pdata, pdev_name,
1666                                         config);
1667
1668         return ret;
1669 }
1670
1671 static struct platform_driver palmas_driver = {
1672         .driver = {
1673                 .name = "palmas-pmic",
1674                 .of_match_table = of_palmas_match_tbl,
1675         },
1676         .probe = palmas_regulators_probe,
1677 };
1678
1679 static int __init palmas_init(void)
1680 {
1681         return platform_driver_register(&palmas_driver);
1682 }
1683 subsys_initcall(palmas_init);
1684
1685 static void __exit palmas_exit(void)
1686 {
1687         platform_driver_unregister(&palmas_driver);
1688 }
1689 module_exit(palmas_exit);
1690
1691 MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>");
1692 MODULE_DESCRIPTION("Palmas voltage regulator driver");
1693 MODULE_LICENSE("GPL");
1694 MODULE_ALIAS("platform:palmas-pmic");
1695 MODULE_DEVICE_TABLE(of, of_palmas_match_tbl);