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         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 439         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 440         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 441         unsigned int reg;
 442         bool rail_enable = true;
 443
 444         palmas_smps_read(pmic->palmas, rinfo->ctrl_addr, &reg);
 445
 446         reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 447
 448         if (reg == SMPS_CTRL_MODE_OFF)
 449                 rail_enable = false;
 450
 451         switch (mode) {
 452         case REGULATOR_MODE_NORMAL:
 453                 reg |= SMPS_CTRL_MODE_ON;
 454                 break;
 455         case REGULATOR_MODE_IDLE:
 456                 reg |= SMPS_CTRL_MODE_ECO;
 457                 break;
 458         case REGULATOR_MODE_FAST:
 459                 reg |= SMPS_CTRL_MODE_PWM;
 460                 break;
 461         default:
 462                 return -EINVAL;
 463         }
 464
 465         pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 466         if (rail_enable)
 467                 palmas_smps_write(pmic->palmas, rinfo->ctrl_addr, reg);
 468
 469         /* Switch the enable value to ensure this is used for enable */
 470         pmic->desc[id].enable_val = pmic->current_reg_mode[id];
 471
 472         return 0;
 473 }
 474
 475 static unsigned int palmas_get_mode_smps(struct regulator_dev *dev)
 476 {
 477         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 478         int id = rdev_get_id(dev);
 479         unsigned int reg;
 480
 481         reg = pmic->current_reg_mode[id] & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 482
 483         switch (reg) {
 484         case SMPS_CTRL_MODE_ON:
 485                 return REGULATOR_MODE_NORMAL;
 486         case SMPS_CTRL_MODE_ECO:
 487                 return REGULATOR_MODE_IDLE;
 488         case SMPS_CTRL_MODE_PWM:
 489                 return REGULATOR_MODE_FAST;
 490         }
 491
 492         return 0;
 493 }
 494
 495 static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev,
 496                  int ramp_delay)
 497 {
 498         int id = rdev_get_id(rdev);
 499         struct palmas_pmic *pmic = rdev_get_drvdata(rdev);
 500         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 501         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 502         unsigned int reg = 0;
 503         int ret;
 504
 505         /* SMPS3 and SMPS7 do not have tstep_addr setting */
 506         switch (id) {
 507         case PALMAS_REG_SMPS3:
 508         case PALMAS_REG_SMPS7:
 509                 return 0;
 510         }
 511
 512         if (ramp_delay <= 0)
 513                 reg = 0;
 514         else if (ramp_delay <= 2500)
 515                 reg = 3;
 516         else if (ramp_delay <= 5000)
 517                 reg = 2;
 518         else
 519                 reg = 1;
 520
 521         ret = palmas_smps_write(pmic->palmas, rinfo->tstep_addr, reg);
 522         if (ret < 0) {
 523                 dev_err(pmic->palmas->dev, "TSTEP write failed: %d\n", ret);
 524                 return ret;
 525         }
 526
 527         pmic->ramp_delay[id] = palmas_smps_ramp_delay[reg];
 528         return ret;
 529 }
 530
 531 static struct regulator_ops palmas_ops_smps = {
 532         .is_enabled             = regulator_is_enabled_regmap,
 533         .enable                 = regulator_enable_regmap,
 534         .disable                = regulator_disable_regmap,
 535         .set_mode               = palmas_set_mode_smps,
 536         .get_mode               = palmas_get_mode_smps,
 537         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 538         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 539         .list_voltage           = regulator_list_voltage_linear_range,
 540         .map_voltage            = regulator_map_voltage_linear_range,
 541         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 542         .set_ramp_delay         = palmas_smps_set_ramp_delay,
 543 };
 544
 545 static struct regulator_ops palmas_ops_ext_control_smps = {
 546         .set_mode               = palmas_set_mode_smps,
 547         .get_mode               = palmas_get_mode_smps,
 548         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 549         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 550         .list_voltage           = regulator_list_voltage_linear_range,
 551         .map_voltage            = regulator_map_voltage_linear_range,
 552         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 553         .set_ramp_delay         = palmas_smps_set_ramp_delay,
 554 };
 555
 556 static struct regulator_ops palmas_ops_smps10 = {
 557         .is_enabled             = regulator_is_enabled_regmap,
 558         .enable                 = regulator_enable_regmap,
 559         .disable                = regulator_disable_regmap,
 560         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 561         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 562         .list_voltage           = regulator_list_voltage_linear,
 563         .map_voltage            = regulator_map_voltage_linear,
 564         .set_bypass             = regulator_set_bypass_regmap,
 565         .get_bypass             = regulator_get_bypass_regmap,
 566 };
 567
 568 static struct regulator_ops tps65917_ops_smps = {
 569         .is_enabled             = regulator_is_enabled_regmap,
 570         .enable                 = regulator_enable_regmap,
 571         .disable                = regulator_disable_regmap,
 572         .set_mode               = palmas_set_mode_smps,
 573         .get_mode               = palmas_get_mode_smps,
 574         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 575         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 576         .list_voltage           = regulator_list_voltage_linear_range,
 577         .map_voltage            = regulator_map_voltage_linear_range,
 578         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 579 };
 580
 581 static struct regulator_ops tps65917_ops_ext_control_smps = {
 582         .set_mode               = palmas_set_mode_smps,
 583         .get_mode               = palmas_get_mode_smps,
 584         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 585         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 586         .list_voltage           = regulator_list_voltage_linear_range,
 587         .map_voltage            = regulator_map_voltage_linear_range,
 588 };
 589
 590 static int palmas_is_enabled_ldo(struct regulator_dev *dev)
 591 {
 592         int id = rdev_get_id(dev);
 593         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 594         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 595         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 596         unsigned int reg;
 597
 598         palmas_ldo_read(pmic->palmas, rinfo->ctrl_addr, &reg);
 599
 600         reg &= PALMAS_LDO1_CTRL_STATUS;
 601
 602         return !!(reg);
 603 }
 604
 605 static struct regulator_ops palmas_ops_ldo = {
 606         .is_enabled             = palmas_is_enabled_ldo,
 607         .enable                 = regulator_enable_regmap,
 608         .disable                = regulator_disable_regmap,
 609         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 610         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 611         .list_voltage           = regulator_list_voltage_linear,
 612         .map_voltage            = regulator_map_voltage_linear,
 613 };
 614
 615 static struct regulator_ops palmas_ops_ldo9 = {
 616         .is_enabled             = palmas_is_enabled_ldo,
 617         .enable                 = regulator_enable_regmap,
 618         .disable                = regulator_disable_regmap,
 619         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 620         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 621         .list_voltage           = regulator_list_voltage_linear,
 622         .map_voltage            = regulator_map_voltage_linear,
 623         .set_bypass             = regulator_set_bypass_regmap,
 624         .get_bypass             = regulator_get_bypass_regmap,
 625 };
 626
 627 static struct regulator_ops palmas_ops_ext_control_ldo = {
 628         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 629         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 630         .list_voltage           = regulator_list_voltage_linear,
 631         .map_voltage            = regulator_map_voltage_linear,
 632 };
 633
 634 static struct regulator_ops palmas_ops_extreg = {
 635         .is_enabled             = regulator_is_enabled_regmap,
 636         .enable                 = regulator_enable_regmap,
 637         .disable                = regulator_disable_regmap,
 638 };
 639
 640 static struct regulator_ops palmas_ops_ext_control_extreg = {
 641 };
 642
 643 static struct regulator_ops tps65917_ops_ldo = {
 644         .is_enabled             = palmas_is_enabled_ldo,
 645         .enable                 = regulator_enable_regmap,
 646         .disable                = regulator_disable_regmap,
 647         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 648         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 649         .list_voltage           = regulator_list_voltage_linear,
 650         .map_voltage            = regulator_map_voltage_linear,
 651         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 652 };
 653
 654 static struct regulator_ops tps65917_ops_ldo_1_2 = {
 655         .is_enabled             = palmas_is_enabled_ldo,
 656         .enable                 = regulator_enable_regmap,
 657         .disable                = regulator_disable_regmap,
 658         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 659         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 660         .list_voltage           = regulator_list_voltage_linear,
 661         .map_voltage            = regulator_map_voltage_linear,
 662         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 663         .set_bypass             = regulator_set_bypass_regmap,
 664         .get_bypass             = regulator_get_bypass_regmap,
 665 };
 666
 667 static int palmas_regulator_config_external(struct palmas *palmas, int id,
 668                 struct palmas_reg_init *reg_init)
 669 {
 670         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 671         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 672         int ret;
 673
 674         ret = palmas_ext_control_req_config(palmas, rinfo->sleep_id,
 675                                             reg_init->roof_floor, true);
 676         if (ret < 0)
 677                 dev_err(palmas->dev,
 678                         "Ext control config for regulator %d failed %d\n",
 679                         id, ret);
 680         return ret;
 681 }
 682
 683 /*
 684  * setup the hardware based sleep configuration of the SMPS/LDO regulators
 685  * from the platform data. This is different to the software based control
 686  * supported by the regulator framework as it is controlled by toggling
 687  * pins on the PMIC such as PREQ, SYSEN, ...
 688  */
 689 static int palmas_smps_init(struct palmas *palmas, int id,
 690                 struct palmas_reg_init *reg_init)
 691 {
 692         unsigned int reg;
 693         int ret;
 694         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 695         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 696         unsigned int addr = rinfo->ctrl_addr;
 697
 698         ret = palmas_smps_read(palmas, addr, &reg);
 699         if (ret)
 700                 return ret;
 701
 702         switch (id) {
 703         case PALMAS_REG_SMPS10_OUT1:
 704         case PALMAS_REG_SMPS10_OUT2:
 705                 reg &= ~PALMAS_SMPS10_CTRL_MODE_SLEEP_MASK;
 706                 if (reg_init->mode_sleep)
 707                         reg |= reg_init->mode_sleep <<
 708                                         PALMAS_SMPS10_CTRL_MODE_SLEEP_SHIFT;
 709                 break;
 710         default:
 711                 if (reg_init->warm_reset)
 712                         reg |= PALMAS_SMPS12_CTRL_WR_S;
 713                 else
 714                         reg &= ~PALMAS_SMPS12_CTRL_WR_S;
 715
 716                 if (reg_init->roof_floor)
 717                         reg |= PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
 718                 else
 719                         reg &= ~PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
 720
 721                 reg &= ~PALMAS_SMPS12_CTRL_MODE_SLEEP_MASK;
 722                 if (reg_init->mode_sleep)
 723                         reg |= reg_init->mode_sleep <<
 724                                         PALMAS_SMPS12_CTRL_MODE_SLEEP_SHIFT;
 725         }
 726
 727         ret = palmas_smps_write(palmas, addr, reg);
 728         if (ret)
 729                 return ret;
 730
 731         if (rinfo->vsel_addr && reg_init->vsel) {
 732
 733                 reg = reg_init->vsel;
 734
 735                 ret = palmas_smps_write(palmas, rinfo->vsel_addr, reg);
 736                 if (ret)
 737                         return ret;
 738         }
 739
 740         if (reg_init->roof_floor && (id != PALMAS_REG_SMPS10_OUT1) &&
 741                         (id != PALMAS_REG_SMPS10_OUT2)) {
 742                 /* Enable externally controlled regulator */
 743                 ret = palmas_smps_read(palmas, addr, &reg);
 744                 if (ret < 0)
 745                         return ret;
 746
 747                 if (!(reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK)) {
 748                         reg |= SMPS_CTRL_MODE_ON;
 749                         ret = palmas_smps_write(palmas, addr, reg);
 750                         if (ret < 0)
 751                                 return ret;
 752                 }
 753                 return palmas_regulator_config_external(palmas, id, reg_init);
 754         }
 755         return 0;
 756 }
 757
 758 static int palmas_ldo_init(struct palmas *palmas, int id,
 759                 struct palmas_reg_init *reg_init)
 760 {
 761         unsigned int reg;
 762         unsigned int addr;
 763         int ret;
 764         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 765         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 766
 767         addr = rinfo->ctrl_addr;
 768
 769         ret = palmas_ldo_read(palmas, addr, &reg);
 770         if (ret)
 771                 return ret;
 772
 773         if (reg_init->warm_reset)
 774                 reg |= PALMAS_LDO1_CTRL_WR_S;
 775         else
 776                 reg &= ~PALMAS_LDO1_CTRL_WR_S;
 777
 778         if (reg_init->mode_sleep)
 779                 reg |= PALMAS_LDO1_CTRL_MODE_SLEEP;
 780         else
 781                 reg &= ~PALMAS_LDO1_CTRL_MODE_SLEEP;
 782
 783         ret = palmas_ldo_write(palmas, addr, reg);
 784         if (ret)
 785                 return ret;
 786
 787         if (reg_init->roof_floor) {
 788                 /* Enable externally controlled regulator */
 789                 ret = palmas_update_bits(palmas, PALMAS_LDO_BASE,
 790                                 addr, PALMAS_LDO1_CTRL_MODE_ACTIVE,
 791                                 PALMAS_LDO1_CTRL_MODE_ACTIVE);
 792                 if (ret < 0) {
 793                         dev_err(palmas->dev,
 794                                 "LDO Register 0x%02x update failed %d\n",
 795                                 addr, ret);
 796                         return ret;
 797                 }
 798                 return palmas_regulator_config_external(palmas, id, reg_init);
 799         }
 800         return 0;
 801 }
 802
 803 static int palmas_extreg_init(struct palmas *palmas, int id,
 804                 struct palmas_reg_init *reg_init)
 805 {
 806         unsigned int addr;
 807         int ret;
 808         unsigned int val = 0;
 809         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 810         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 811
 812         addr = rinfo->ctrl_addr;
 813
 814         if (reg_init->mode_sleep)
 815                 val = PALMAS_REGEN1_CTRL_MODE_SLEEP;
 816
 817         ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
 818                         addr, PALMAS_REGEN1_CTRL_MODE_SLEEP, val);
 819         if (ret < 0) {
 820                 dev_err(palmas->dev, "Resource reg 0x%02x update failed %d\n",
 821                         addr, ret);
 822                 return ret;
 823         }
 824
 825         if (reg_init->roof_floor) {
 826                 /* Enable externally controlled regulator */
 827                 ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
 828                                 addr, PALMAS_REGEN1_CTRL_MODE_ACTIVE,
 829                                 PALMAS_REGEN1_CTRL_MODE_ACTIVE);
 830                 if (ret < 0) {
 831                         dev_err(palmas->dev,
 832                                 "Resource Register 0x%02x update failed %d\n",
 833                                 addr, ret);
 834                         return ret;
 835                 }
 836                 return palmas_regulator_config_external(palmas, id, reg_init);
 837         }
 838         return 0;
 839 }
 840
 841 static void palmas_enable_ldo8_track(struct palmas *palmas)
 842 {
 843         unsigned int reg;
 844         unsigned int addr;
 845         int ret;
 846         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 847         struct palmas_regs_info *rinfo;
 848
 849         rinfo = &ddata->palmas_regs_info[PALMAS_REG_LDO8];
 850         addr = rinfo->ctrl_addr;
 851
 852         ret = palmas_ldo_read(palmas, addr, &reg);
 853         if (ret) {
 854                 dev_err(palmas->dev, "Error in reading ldo8 control reg\n");
 855                 return;
 856         }
 857
 858         reg |= PALMAS_LDO8_CTRL_LDO_TRACKING_EN;
 859         ret = palmas_ldo_write(palmas, addr, reg);
 860         if (ret < 0) {
 861                 dev_err(palmas->dev, "Error in enabling tracking mode\n");
 862                 return;
 863         }
 864         /*
 865          * When SMPS45 is set to off and LDO8 tracking is enabled, the LDO8
 866          * output is defined by the LDO8_VOLTAGE.VSEL register divided by two,
 867          * and can be set from 0.45 to 1.65 V.
 868          */
 869         addr = rinfo->vsel_addr;
 870         ret = palmas_ldo_read(palmas, addr, &reg);
 871         if (ret) {
 872                 dev_err(palmas->dev, "Error in reading ldo8 voltage reg\n");
 873                 return;
 874         }
 875
 876         reg = (reg << 1) & PALMAS_LDO8_VOLTAGE_VSEL_MASK;
 877         ret = palmas_ldo_write(palmas, addr, reg);
 878         if (ret < 0)
 879                 dev_err(palmas->dev, "Error in setting ldo8 voltage reg\n");
 880
 881         return;
 882 }
 883
 884 static int palmas_ldo_registration(struct palmas_pmic *pmic,
 885                                    struct palmas_pmic_driver_data *ddata,
 886                                    struct palmas_pmic_platform_data *pdata,
 887                                    const char *pdev_name,
 888                                    struct regulator_config config)
 889 {
 890         int id, ret;
 891         struct regulator_dev *rdev;
 892         struct palmas_reg_init *reg_init;
 893         struct palmas_regs_info *rinfo;
 894         struct regulator_desc *desc;
 895
 896         for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
 897                 if (pdata && pdata->reg_init[id])
 898                         reg_init = pdata->reg_init[id];
 899                 else
 900                         reg_init = NULL;
 901
 902                 rinfo = &ddata->palmas_regs_info[id];
 903                 /* Miss out regulators which are not available due
 904                  * to alternate functions.
 905                  */
 906
 907                 /* Register the regulators */
 908                 desc = &pmic->desc[id];
 909                 desc->name = rinfo->name;
 910                 desc->id = id;
 911                 desc->type = REGULATOR_VOLTAGE;
 912                 desc->owner = THIS_MODULE;
 913
 914                 if (id < PALMAS_REG_REGEN1) {
 915                         desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES;
 916                         if (reg_init && reg_init->roof_floor)
 917                                 desc->ops = &palmas_ops_ext_control_ldo;
 918                         else
 919                                 desc->ops = &palmas_ops_ldo;
 920                         desc->min_uV = 900000;
 921                         desc->uV_step = 50000;
 922                         desc->linear_min_sel = 1;
 923                         desc->enable_time = 500;
 924                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
 925                                                             rinfo->vsel_addr);
 926                         desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
 927                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
 928                                                               rinfo->ctrl_addr);
 929                         desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
 930
 931                         /* Check if LDO8 is in tracking mode or not */
 932                         if (pdata && (id == PALMAS_REG_LDO8) &&
 933                             pdata->enable_ldo8_tracking) {
 934                                 palmas_enable_ldo8_track(pmic->palmas);
 935                                 desc->min_uV = 450000;
 936                                 desc->uV_step = 25000;
 937                         }
 938
 939                         /* LOD6 in vibrator mode will have enable time 2000us */
 940                         if (pdata && pdata->ldo6_vibrator &&
 941                             (id == PALMAS_REG_LDO6))
 942                                 desc->enable_time = 2000;
 943
 944                         if (id == PALMAS_REG_LDO9) {
 945                                 desc->ops = &palmas_ops_ldo9;
 946                                 desc->bypass_reg = desc->enable_reg;
 947                                 desc->bypass_val_on =
 948                                                 PALMAS_LDO9_CTRL_LDO_BYPASS_EN;
 949                                 desc->bypass_mask =
 950                                                 PALMAS_LDO9_CTRL_LDO_BYPASS_EN;
 951                         }
 952                 } else {
 953                         if (!ddata->has_regen3 && id == PALMAS_REG_REGEN3)
 954                                 continue;
 955
 956                         desc->n_voltages = 1;
 957                         if (reg_init && reg_init->roof_floor)
 958                                 desc->ops = &palmas_ops_ext_control_extreg;
 959                         else
 960                                 desc->ops = &palmas_ops_extreg;
 961                         desc->enable_reg =
 962                                         PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
 963                                                            rinfo->ctrl_addr);
 964                         desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
 965                 }
 966
 967                 if (pdata)
 968                         config.init_data = pdata->reg_data[id];
 969                 else
 970                         config.init_data = NULL;
 971
 972                 desc->supply_name = rinfo->sname;
 973                 config.of_node = ddata->palmas_matches[id].of_node;
 974
 975                 rdev = devm_regulator_register(pmic->dev, desc, &config);
 976                 if (IS_ERR(rdev)) {
 977                         dev_err(pmic->dev,
 978                                 "failed to register %s regulator\n",
 979                                 pdev_name);
 980                         return PTR_ERR(rdev);
 981                 }
 982
 983                 /* Save regulator for cleanup */
 984                 pmic->rdev[id] = rdev;
 985
 986                 /* Initialise sleep/init values from platform data */
 987                 if (pdata) {
 988                         reg_init = pdata->reg_init[id];
 989                         if (reg_init) {
 990                                 if (id <= ddata->ldo_end)
 991                                         ret = palmas_ldo_init(pmic->palmas, id,
 992                                                               reg_init);
 993                                 else
 994                                         ret = palmas_extreg_init(pmic->palmas,
 995                                                                  id, reg_init);
 996                                 if (ret)
 997                                         return ret;
 998                         }
 999                 }
1000         }
1001
1002         return 0;
1003 }
1004
1005 static int tps65917_ldo_registration(struct palmas_pmic *pmic,
1006                                      struct palmas_pmic_driver_data *ddata,
1007                                      struct palmas_pmic_platform_data *pdata,
1008                                      const char *pdev_name,
1009                                      struct regulator_config config)
1010 {
1011         int id, ret;
1012         struct regulator_dev *rdev;
1013         struct palmas_reg_init *reg_init;
1014         struct palmas_regs_info *rinfo;
1015         struct regulator_desc *desc;
1016
1017         for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
1018                 if (pdata && pdata->reg_init[id])
1019                         reg_init = pdata->reg_init[id];
1020                 else
1021                         reg_init = NULL;
1022
1023                 /* Miss out regulators which are not available due
1024                  * to alternate functions.
1025                  */
1026                 rinfo = &ddata->palmas_regs_info[id];
1027
1028                 /* Register the regulators */
1029                 desc = &pmic->desc[id];
1030                 desc->name = rinfo->name;
1031                 desc->id = id;
1032                 desc->type = REGULATOR_VOLTAGE;
1033                 desc->owner = THIS_MODULE;
1034
1035                 if (id < TPS65917_REG_REGEN1) {
1036                         desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES;
1037                         if (reg_init && reg_init->roof_floor)
1038                                 desc->ops = &palmas_ops_ext_control_ldo;
1039                         else
1040                                 desc->ops = &tps65917_ops_ldo;
1041                         desc->min_uV = 900000;
1042                         desc->uV_step = 50000;
1043                         desc->linear_min_sel = 1;
1044                         desc->enable_time = 500;
1045                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
1046                                                             rinfo->vsel_addr);
1047                         desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
1048                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
1049                                                               rinfo->ctrl_addr);
1050                         desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
1051                         /*
1052                          * To be confirmed. Discussion on going with PMIC Team.
1053                          * It is of the order of ~60mV/uS.
1054                          */
1055                         desc->ramp_delay = 2500;
1056                         if (id == TPS65917_REG_LDO1 ||
1057                             id == TPS65917_REG_LDO2) {
1058                                 desc->ops = &tps65917_ops_ldo_1_2;
1059                                 desc->bypass_reg = desc->enable_reg;
1060                                 desc->bypass_val_on =
1061                                                 TPS65917_LDO1_CTRL_BYPASS_EN;
1062                                 desc->bypass_mask =
1063                                                 TPS65917_LDO1_CTRL_BYPASS_EN;
1064                         }
1065                 } else {
1066                         desc->n_voltages = 1;
1067                         if (reg_init && reg_init->roof_floor)
1068                                 desc->ops = &palmas_ops_ext_control_extreg;
1069                         else
1070                                 desc->ops = &palmas_ops_extreg;
1071                         desc->enable_reg =
1072                                         PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
1073                                                            rinfo->ctrl_addr);
1074                         desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
1075                 }
1076
1077                 if (pdata)
1078                         config.init_data = pdata->reg_data[id];
1079                 else
1080                         config.init_data = NULL;
1081
1082                 desc->supply_name = rinfo->sname;
1083                 config.of_node = ddata->palmas_matches[id].of_node;
1084
1085                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1086                 if (IS_ERR(rdev)) {
1087                         dev_err(pmic->dev,
1088                                 "failed to register %s regulator\n",
1089                                 pdev_name);
1090                         return PTR_ERR(rdev);
1091                 }
1092
1093                 /* Save regulator for cleanup */
1094                 pmic->rdev[id] = rdev;
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                 /* Save regulator for cleanup */
1282                 pmic->rdev[id] = rdev;
1283         }
1284
1285         return 0;
1286 }
1287
1288 static int tps65917_smps_registration(struct palmas_pmic *pmic,
1289                                       struct palmas_pmic_driver_data *ddata,
1290                                       struct palmas_pmic_platform_data *pdata,
1291                                       const char *pdev_name,
1292                                       struct regulator_config config)
1293 {
1294         int id, ret;
1295         unsigned int addr, reg;
1296         struct regulator_dev *rdev;
1297         struct palmas_reg_init *reg_init;
1298         struct palmas_regs_info *rinfo;
1299         struct regulator_desc *desc;
1300
1301         for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
1302                 /*
1303                  * Miss out regulators which are not available due
1304                  * to slaving configurations.
1305                  */
1306                 desc = &pmic->desc[id];
1307                 desc->n_linear_ranges = 3;
1308                 if ((id == TPS65917_REG_SMPS2) && pmic->smps12)
1309                         continue;
1310
1311                 /* Initialise sleep/init values from platform data */
1312                 if (pdata && pdata->reg_init[id]) {
1313                         reg_init = pdata->reg_init[id];
1314                         ret = palmas_smps_init(pmic->palmas, id, reg_init);
1315                         if (ret)
1316                                 return ret;
1317                 } else {
1318                         reg_init = NULL;
1319                 }
1320                 rinfo = &ddata->palmas_regs_info[id];
1321
1322                 /* Register the regulators */
1323                 desc->name = rinfo->name;
1324                 desc->id = id;
1325
1326                 /*
1327                  * Read and store the RANGE bit for later use
1328                  * This must be done before regulator is probed,
1329                  * otherwise we error in probe with unsupportable
1330                  * ranges. Read the current smps mode for later use.
1331                  */
1332                 addr = rinfo->vsel_addr;
1333
1334                 ret = palmas_smps_read(pmic->palmas, addr, &reg);
1335                 if (ret)
1336                         return ret;
1337                 if (reg & TPS65917_SMPS1_VOLTAGE_RANGE)
1338                         pmic->range[id] = 1;
1339
1340                 if (pmic->range[id])
1341                         desc->linear_ranges = smps_high_ranges;
1342                 else
1343                         desc->linear_ranges = smps_low_ranges;
1344
1345                 if (reg_init && reg_init->roof_floor)
1346                         desc->ops = &tps65917_ops_ext_control_smps;
1347                 else
1348                         desc->ops = &tps65917_ops_smps;
1349                 desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
1350                 desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1351                                                     rinfo->vsel_addr);
1352                 desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
1353                 desc->ramp_delay = 2500;
1354
1355                 /* Read the smps mode for later use. */
1356                 addr = rinfo->ctrl_addr;
1357                 ret = palmas_smps_read(pmic->palmas, addr, &reg);
1358                 if (ret)
1359                         return ret;
1360                 pmic->current_reg_mode[id] = reg &
1361                                 PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1362                 desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1363                                                       rinfo->ctrl_addr);
1364                 desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1365                 /* set_mode overrides this value */
1366                 desc->enable_val = SMPS_CTRL_MODE_ON;
1367
1368                 desc->type = REGULATOR_VOLTAGE;
1369                 desc->owner = THIS_MODULE;
1370
1371                 if (pdata)
1372                         config.init_data = pdata->reg_data[id];
1373                 else
1374                         config.init_data = NULL;
1375
1376                 desc->supply_name = rinfo->sname;
1377                 config.of_node = ddata->palmas_matches[id].of_node;
1378
1379                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1380                 if (IS_ERR(rdev)) {
1381                         dev_err(pmic->dev,
1382                                 "failed to register %s regulator\n",
1383                                 pdev_name);
1384                         return PTR_ERR(rdev);
1385                 }
1386
1387                 /* Save regulator for cleanup */
1388                 pmic->rdev[id] = rdev;
1389         }
1390
1391         return 0;
1392 }
1393
1394 static struct of_regulator_match palmas_matches[] = {
1395         { .name = "smps12", },
1396         { .name = "smps123", },
1397         { .name = "smps3", },
1398         { .name = "smps45", },
1399         { .name = "smps457", },
1400         { .name = "smps6", },
1401         { .name = "smps7", },
1402         { .name = "smps8", },
1403         { .name = "smps9", },
1404         { .name = "smps10_out2", },
1405         { .name = "smps10_out1", },
1406         { .name = "ldo1", },
1407         { .name = "ldo2", },
1408         { .name = "ldo3", },
1409         { .name = "ldo4", },
1410         { .name = "ldo5", },
1411         { .name = "ldo6", },
1412         { .name = "ldo7", },
1413         { .name = "ldo8", },
1414         { .name = "ldo9", },
1415         { .name = "ldoln", },
1416         { .name = "ldousb", },
1417         { .name = "regen1", },
1418         { .name = "regen2", },
1419         { .name = "regen3", },
1420         { .name = "sysen1", },
1421         { .name = "sysen2", },
1422 };
1423
1424 static struct of_regulator_match tps65917_matches[] = {
1425         { .name = "smps1", },
1426         { .name = "smps2", },
1427         { .name = "smps3", },
1428         { .name = "smps4", },
1429         { .name = "smps5", },
1430         { .name = "ldo1", },
1431         { .name = "ldo2", },
1432         { .name = "ldo3", },
1433         { .name = "ldo4", },
1434         { .name = "ldo5", },
1435         { .name = "regen1", },
1436         { .name = "regen2", },
1437         { .name = "regen3", },
1438         { .name = "sysen1", },
1439         { .name = "sysen2", },
1440 };
1441
1442 static struct palmas_pmic_driver_data palmas_ddata = {
1443         .smps_start = PALMAS_REG_SMPS12,
1444         .smps_end = PALMAS_REG_SMPS10_OUT1,
1445         .ldo_begin = PALMAS_REG_LDO1,
1446         .ldo_end = PALMAS_REG_LDOUSB,
1447         .max_reg = PALMAS_NUM_REGS,
1448         .has_regen3 = true,
1449         .palmas_regs_info = palmas_generic_regs_info,
1450         .palmas_matches = palmas_matches,
1451         .sleep_req_info = palma_sleep_req_info,
1452         .smps_register = palmas_smps_registration,
1453         .ldo_register = palmas_ldo_registration,
1454 };
1455
1456 static struct palmas_pmic_driver_data tps65917_ddata = {
1457         .smps_start = TPS65917_REG_SMPS1,
1458         .smps_end = TPS65917_REG_SMPS5,
1459         .ldo_begin = TPS65917_REG_LDO1,
1460         .ldo_end = TPS65917_REG_LDO5,
1461         .max_reg = TPS65917_NUM_REGS,
1462         .has_regen3 = true,
1463         .palmas_regs_info = tps65917_regs_info,
1464         .palmas_matches = tps65917_matches,
1465         .sleep_req_info = tps65917_sleep_req_info,
1466         .smps_register = tps65917_smps_registration,
1467         .ldo_register = tps65917_ldo_registration,
1468 };
1469
1470 static int palmas_dt_to_pdata(struct device *dev,
1471                               struct device_node *node,
1472                               struct palmas_pmic_platform_data *pdata,
1473                               struct palmas_pmic_driver_data *ddata)
1474 {
1475         struct device_node *regulators;
1476         u32 prop;
1477         int idx, ret;
1478
1479         regulators = of_get_child_by_name(node, "regulators");
1480         if (!regulators) {
1481                 dev_info(dev, "regulator node not found\n");
1482                 return 0;
1483         }
1484
1485         ret = of_regulator_match(dev, regulators, ddata->palmas_matches,
1486                                  ddata->max_reg);
1487         of_node_put(regulators);
1488         if (ret < 0) {
1489                 dev_err(dev, "Error parsing regulator init data: %d\n", ret);
1490                 return 0;
1491         }
1492
1493         for (idx = 0; idx < ddata->max_reg; idx++) {
1494                 static struct of_regulator_match *match;
1495                 struct palmas_reg_init *rinit;
1496                 struct device_node *np;
1497
1498                 match = &ddata->palmas_matches[idx];
1499                 np = match->of_node;
1500
1501                 if (!match->init_data || !np)
1502                         continue;
1503
1504                 rinit = devm_kzalloc(dev, sizeof(*rinit), GFP_KERNEL);
1505                 if (!rinit)
1506                         return -ENOMEM;
1507
1508                 pdata->reg_data[idx] = match->init_data;
1509                 pdata->reg_init[idx] = rinit;
1510
1511                 rinit->warm_reset = of_property_read_bool(np, "ti,warm-reset");
1512                 ret = of_property_read_u32(np, "ti,roof-floor", &prop);
1513                 /* EINVAL: Property not found */
1514                 if (ret != -EINVAL) {
1515                         int econtrol;
1516
1517                         /* use default value, when no value is specified */
1518                         econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1519                         if (!ret) {
1520                                 switch (prop) {
1521                                 case 1:
1522                                         econtrol = PALMAS_EXT_CONTROL_ENABLE1;
1523                                         break;
1524                                 case 2:
1525                                         econtrol = PALMAS_EXT_CONTROL_ENABLE2;
1526                                         break;
1527                                 case 3:
1528                                         econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1529                                         break;
1530                                 default:
1531                                         WARN_ON(1);
1532                                         dev_warn(dev,
1533                                                  "%s: Invalid roof-floor option: %u\n",
1534                                                  match->name, prop);
1535                                         break;
1536                                 }
1537                         }
1538                         rinit->roof_floor = econtrol;
1539                 }
1540
1541                 ret = of_property_read_u32(np, "ti,mode-sleep", &prop);
1542                 if (!ret)
1543                         rinit->mode_sleep = prop;
1544
1545                 ret = of_property_read_bool(np, "ti,smps-range");
1546                 if (ret)
1547                         rinit->vsel = PALMAS_SMPS12_VOLTAGE_RANGE;
1548
1549                 if (idx == PALMAS_REG_LDO8)
1550                         pdata->enable_ldo8_tracking = of_property_read_bool(
1551                                                 np, "ti,enable-ldo8-tracking");
1552         }
1553
1554         pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator");
1555
1556         return 0;
1557 }
1558
1559 static const struct of_device_id of_palmas_match_tbl[] = {
1560         {
1561                 .compatible = "ti,palmas-pmic",
1562                 .data = &palmas_ddata,
1563         },
1564         {
1565                 .compatible = "ti,twl6035-pmic",
1566                 .data = &palmas_ddata,
1567         },
1568         {
1569                 .compatible = "ti,twl6036-pmic",
1570                 .data = &palmas_ddata,
1571         },
1572         {
1573                 .compatible = "ti,twl6037-pmic",
1574                 .data = &palmas_ddata,
1575         },
1576         {
1577                 .compatible = "ti,tps65913-pmic",
1578                 .data = &palmas_ddata,
1579         },
1580         {
1581                 .compatible = "ti,tps65914-pmic",
1582                 .data = &palmas_ddata,
1583         },
1584         {
1585                 .compatible = "ti,tps80036-pmic",
1586                 .data = &palmas_ddata,
1587         },
1588         {
1589                 .compatible = "ti,tps659038-pmic",
1590                 .data = &palmas_ddata,
1591         },
1592          {
1593                 .compatible = "ti,tps65917-pmic",
1594                 .data = &tps65917_ddata,
1595         },
1596         { /* end */ }
1597 };
1598
1599 static int palmas_regulators_probe(struct platform_device *pdev)
1600 {
1601         struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
1602         struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev);
1603         struct device_node *node = pdev->dev.of_node;
1604         struct palmas_pmic_driver_data *driver_data;
1605         struct regulator_config config = { };
1606         struct palmas_pmic *pmic;
1607         const char *pdev_name;
1608         const struct of_device_id *match;
1609         int ret = 0;
1610         unsigned int reg;
1611
1612         match = of_match_device(of_match_ptr(of_palmas_match_tbl), &pdev->dev);
1613
1614         if (!match)
1615                 return -ENODATA;
1616
1617         driver_data = (struct palmas_pmic_driver_data *)match->data;
1618         pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
1619         if (!pdata)
1620                 return -ENOMEM;
1621
1622         pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
1623         if (!pmic)
1624                 return -ENOMEM;
1625
1626         if (of_device_is_compatible(node, "ti,tps659038-pmic")) {
1627                 palmas_generic_regs_info[PALMAS_REG_REGEN2].ctrl_addr =
1628                                                         TPS659038_REGEN2_CTRL;
1629                 palmas_ddata.has_regen3 = false;
1630         }
1631
1632         pmic->dev = &pdev->dev;
1633         pmic->palmas = palmas;
1634         palmas->pmic = pmic;
1635         platform_set_drvdata(pdev, pmic);
1636         pmic->palmas->pmic_ddata = driver_data;
1637
1638         ret = palmas_dt_to_pdata(&pdev->dev, node, pdata, driver_data);
1639         if (ret)
1640                 return ret;
1641
1642         ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, &reg);
1643         if (ret)
1644                 return ret;
1645
1646         if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN)
1647                 pmic->smps123 = 1;
1648
1649         if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN)
1650                 pmic->smps457 = 1;
1651
1652         config.regmap = palmas->regmap[REGULATOR_SLAVE];
1653         config.dev = &pdev->dev;
1654         config.driver_data = pmic;
1655         pdev_name = pdev->name;
1656
1657         ret = driver_data->smps_register(pmic, driver_data, pdata, pdev_name,
1658                                          config);
1659         if (ret)
1660                 return ret;
1661
1662         ret = driver_data->ldo_register(pmic, driver_data, pdata, pdev_name,
1663                                         config);
1664
1665         return ret;
1666 }
1667
1668 static struct platform_driver palmas_driver = {
1669         .driver = {
1670                 .name = "palmas-pmic",
1671                 .of_match_table = of_palmas_match_tbl,
1672         },
1673         .probe = palmas_regulators_probe,
1674 };
1675
1676 static int __init palmas_init(void)
1677 {
1678         return platform_driver_register(&palmas_driver);
1679 }
1680 subsys_initcall(palmas_init);
1681
1682 static void __exit palmas_exit(void)
1683 {
1684         platform_driver_unregister(&palmas_driver);
1685 }
1686 module_exit(palmas_exit);
1687
1688 MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>");
1689 MODULE_DESCRIPTION("Palmas voltage regulator driver");
1690 MODULE_LICENSE("GPL");
1691 MODULE_ALIAS("platform:palmas-pmic");
1692 MODULE_DEVICE_TABLE(of, of_palmas_match_tbl);