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_mask =
 948                                                 PALMAS_LDO9_CTRL_LDO_BYPASS_EN;
 949                         }
 950                 } else {
 951                         if (!ddata->has_regen3 && id == PALMAS_REG_REGEN3)
 952                                 continue;
 953
 954                         desc->n_voltages = 1;
 955                         if (reg_init && reg_init->roof_floor)
 956                                 desc->ops = &palmas_ops_ext_control_extreg;
 957                         else
 958                                 desc->ops = &palmas_ops_extreg;
 959                         desc->enable_reg =
 960                                         PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
 961                                                            rinfo->ctrl_addr);
 962                         desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
 963                 }
 964
 965                 if (pdata)
 966                         config.init_data = pdata->reg_data[id];
 967                 else
 968                         config.init_data = NULL;
 969
 970                 desc->supply_name = rinfo->sname;
 971                 config.of_node = ddata->palmas_matches[id].of_node;
 972
 973                 rdev = devm_regulator_register(pmic->dev, desc, &config);
 974                 if (IS_ERR(rdev)) {
 975                         dev_err(pmic->dev,
 976                                 "failed to register %s regulator\n",
 977                                 pdev_name);
 978                         return PTR_ERR(rdev);
 979                 }
 980
 981                 /* Save regulator for cleanup */
 982                 pmic->rdev[id] = rdev;
 983
 984                 /* Initialise sleep/init values from platform data */
 985                 if (pdata) {
 986                         reg_init = pdata->reg_init[id];
 987                         if (reg_init) {
 988                                 if (id <= ddata->ldo_end)
 989                                         ret = palmas_ldo_init(pmic->palmas, id,
 990                                                               reg_init);
 991                                 else
 992                                         ret = palmas_extreg_init(pmic->palmas,
 993                                                                  id, reg_init);
 994                                 if (ret)
 995                                         return ret;
 996                         }
 997                 }
 998         }
 999
1000         return 0;
1001 }
1002
1003 static int tps65917_ldo_registration(struct palmas_pmic *pmic,
1004                                      struct palmas_pmic_driver_data *ddata,
1005                                      struct palmas_pmic_platform_data *pdata,
1006                                      const char *pdev_name,
1007                                      struct regulator_config config)
1008 {
1009         int id, ret;
1010         struct regulator_dev *rdev;
1011         struct palmas_reg_init *reg_init;
1012         struct palmas_regs_info *rinfo;
1013         struct regulator_desc *desc;
1014
1015         for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
1016                 if (pdata && pdata->reg_init[id])
1017                         reg_init = pdata->reg_init[id];
1018                 else
1019                         reg_init = NULL;
1020
1021                 /* Miss out regulators which are not available due
1022                  * to alternate functions.
1023                  */
1024                 rinfo = &ddata->palmas_regs_info[id];
1025
1026                 /* Register the regulators */
1027                 desc = &pmic->desc[id];
1028                 desc->name = rinfo->name;
1029                 desc->id = id;
1030                 desc->type = REGULATOR_VOLTAGE;
1031                 desc->owner = THIS_MODULE;
1032
1033                 if (id < TPS65917_REG_REGEN1) {
1034                         desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES;
1035                         if (reg_init && reg_init->roof_floor)
1036                                 desc->ops = &palmas_ops_ext_control_ldo;
1037                         else
1038                                 desc->ops = &tps65917_ops_ldo;
1039                         desc->min_uV = 900000;
1040                         desc->uV_step = 50000;
1041                         desc->linear_min_sel = 1;
1042                         desc->enable_time = 500;
1043                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
1044                                                             rinfo->vsel_addr);
1045                         desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
1046                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
1047                                                               rinfo->ctrl_addr);
1048                         desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
1049                         /*
1050                          * To be confirmed. Discussion on going with PMIC Team.
1051                          * It is of the order of ~60mV/uS.
1052                          */
1053                         desc->ramp_delay = 2500;
1054                         if (id == TPS65917_REG_LDO1 ||
1055                             id == TPS65917_REG_LDO2) {
1056                                 desc->ops = &tps65917_ops_ldo_1_2;
1057                                 desc->bypass_reg = desc->enable_reg;
1058                                 desc->bypass_mask =
1059                                                 TPS65917_LDO1_CTRL_BYPASS_EN;
1060                         }
1061                 } else {
1062                         desc->n_voltages = 1;
1063                         if (reg_init && reg_init->roof_floor)
1064                                 desc->ops = &palmas_ops_ext_control_extreg;
1065                         else
1066                                 desc->ops = &palmas_ops_extreg;
1067                         desc->enable_reg =
1068                                         PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
1069                                                            rinfo->ctrl_addr);
1070                         desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
1071                 }
1072
1073                 if (pdata)
1074                         config.init_data = pdata->reg_data[id];
1075                 else
1076                         config.init_data = NULL;
1077
1078                 desc->supply_name = rinfo->sname;
1079                 config.of_node = ddata->palmas_matches[id].of_node;
1080
1081                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1082                 if (IS_ERR(rdev)) {
1083                         dev_err(pmic->dev,
1084                                 "failed to register %s regulator\n",
1085                                 pdev_name);
1086                         return PTR_ERR(rdev);
1087                 }
1088
1089                 /* Save regulator for cleanup */
1090                 pmic->rdev[id] = rdev;
1091
1092                 /* Initialise sleep/init values from platform data */
1093                 if (pdata) {
1094                         reg_init = pdata->reg_init[id];
1095                         if (reg_init) {
1096                                 if (id < TPS65917_REG_REGEN1)
1097                                         ret = palmas_ldo_init(pmic->palmas,
1098                                                               id, reg_init);
1099                                 else
1100                                         ret = palmas_extreg_init(pmic->palmas,
1101                                                                  id, reg_init);
1102                                 if (ret)
1103                                         return ret;
1104                         }
1105                 }
1106         }
1107
1108         return 0;
1109 }
1110
1111 static int palmas_smps_registration(struct palmas_pmic *pmic,
1112                                     struct palmas_pmic_driver_data *ddata,
1113                                     struct palmas_pmic_platform_data *pdata,
1114                                     const char *pdev_name,
1115                                     struct regulator_config config)
1116 {
1117         int id, ret;
1118         unsigned int addr, reg;
1119         struct regulator_dev *rdev;
1120         struct palmas_reg_init *reg_init;
1121         struct palmas_regs_info *rinfo;
1122         struct regulator_desc *desc;
1123
1124         for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
1125                 bool ramp_delay_support = false;
1126
1127                 /*
1128                  * Miss out regulators which are not available due
1129                  * to slaving configurations.
1130                  */
1131                 switch (id) {
1132                 case PALMAS_REG_SMPS12:
1133                 case PALMAS_REG_SMPS3:
1134                         if (pmic->smps123)
1135                                 continue;
1136                         if (id == PALMAS_REG_SMPS12)
1137                                 ramp_delay_support = true;
1138                         break;
1139                 case PALMAS_REG_SMPS123:
1140                         if (!pmic->smps123)
1141                                 continue;
1142                         ramp_delay_support = true;
1143                         break;
1144                 case PALMAS_REG_SMPS45:
1145                 case PALMAS_REG_SMPS7:
1146                         if (pmic->smps457)
1147                                 continue;
1148                         if (id == PALMAS_REG_SMPS45)
1149                                 ramp_delay_support = true;
1150                         break;
1151                 case PALMAS_REG_SMPS457:
1152                         if (!pmic->smps457)
1153                                 continue;
1154                         ramp_delay_support = true;
1155                         break;
1156                 case PALMAS_REG_SMPS10_OUT1:
1157                 case PALMAS_REG_SMPS10_OUT2:
1158                         if (!PALMAS_PMIC_HAS(pmic->palmas, SMPS10_BOOST))
1159                                 continue;
1160                 }
1161                 rinfo = &ddata->palmas_regs_info[id];
1162                 desc = &pmic->desc[id];
1163
1164                 if ((id == PALMAS_REG_SMPS6) || (id == PALMAS_REG_SMPS8))
1165                         ramp_delay_support = true;
1166
1167                 if (ramp_delay_support) {
1168                         addr = rinfo->tstep_addr;
1169                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1170                         if (ret < 0) {
1171                                 dev_err(pmic->dev,
1172                                         "reading TSTEP reg failed: %d\n", ret);
1173                                 return ret;
1174                         }
1175                         desc->ramp_delay = palmas_smps_ramp_delay[reg & 0x3];
1176                         pmic->ramp_delay[id] = desc->ramp_delay;
1177                 }
1178
1179                 /* Initialise sleep/init values from platform data */
1180                 if (pdata && pdata->reg_init[id]) {
1181                         reg_init = pdata->reg_init[id];
1182                         ret = palmas_smps_init(pmic->palmas, id, reg_init);
1183                         if (ret)
1184                                 return ret;
1185                 } else {
1186                         reg_init = NULL;
1187                 }
1188
1189                 /* Register the regulators */
1190                 desc->name = rinfo->name;
1191                 desc->id = id;
1192
1193                 switch (id) {
1194                 case PALMAS_REG_SMPS10_OUT1:
1195                 case PALMAS_REG_SMPS10_OUT2:
1196                         desc->n_voltages = PALMAS_SMPS10_NUM_VOLTAGES;
1197                         desc->ops = &palmas_ops_smps10;
1198                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1199                                                             PALMAS_SMPS10_CTRL);
1200                         desc->vsel_mask = SMPS10_VSEL;
1201                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1202                                                             PALMAS_SMPS10_CTRL);
1203                         if (id == PALMAS_REG_SMPS10_OUT1)
1204                                 desc->enable_mask = SMPS10_SWITCH_EN;
1205                         else
1206                                 desc->enable_mask = SMPS10_BOOST_EN;
1207                         desc->bypass_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1208                                                             PALMAS_SMPS10_CTRL);
1209                         desc->bypass_mask = SMPS10_BYPASS_EN;
1210                         desc->min_uV = 3750000;
1211                         desc->uV_step = 1250000;
1212                         break;
1213                 default:
1214                         /*
1215                          * Read and store the RANGE bit for later use
1216                          * This must be done before regulator is probed,
1217                          * otherwise we error in probe with unsupportable
1218                          * ranges. Read the current smps mode for later use.
1219                          */
1220                         addr = rinfo->vsel_addr;
1221                         desc->n_linear_ranges = 3;
1222
1223                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1224                         if (ret)
1225                                 return ret;
1226                         if (reg & PALMAS_SMPS12_VOLTAGE_RANGE)
1227                                 pmic->range[id] = 1;
1228                         if (pmic->range[id])
1229                                 desc->linear_ranges = smps_high_ranges;
1230                         else
1231                                 desc->linear_ranges = smps_low_ranges;
1232
1233                         if (reg_init && reg_init->roof_floor)
1234                                 desc->ops = &palmas_ops_ext_control_smps;
1235                         else
1236                                 desc->ops = &palmas_ops_smps;
1237                         desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
1238                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1239                                                             rinfo->vsel_addr);
1240                         desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
1241
1242                         /* Read the smps mode for later use. */
1243                         addr = rinfo->ctrl_addr;
1244                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1245                         if (ret)
1246                                 return ret;
1247                         pmic->current_reg_mode[id] = reg &
1248                                         PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1249
1250                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1251                                                               rinfo->ctrl_addr);
1252                         desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1253                         /* set_mode overrides this value */
1254                         desc->enable_val = SMPS_CTRL_MODE_ON;
1255                 }
1256
1257                 desc->type = REGULATOR_VOLTAGE;
1258                 desc->owner = THIS_MODULE;
1259
1260                 if (pdata)
1261                         config.init_data = pdata->reg_data[id];
1262                 else
1263                         config.init_data = NULL;
1264
1265                 desc->supply_name = rinfo->sname;
1266                 config.of_node = ddata->palmas_matches[id].of_node;
1267
1268                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1269                 if (IS_ERR(rdev)) {
1270                         dev_err(pmic->dev,
1271                                 "failed to register %s regulator\n",
1272                                 pdev_name);
1273                         return PTR_ERR(rdev);
1274                 }
1275
1276                 /* Save regulator for cleanup */
1277                 pmic->rdev[id] = rdev;
1278         }
1279
1280         return 0;
1281 }
1282
1283 static int tps65917_smps_registration(struct palmas_pmic *pmic,
1284                                       struct palmas_pmic_driver_data *ddata,
1285                                       struct palmas_pmic_platform_data *pdata,
1286                                       const char *pdev_name,
1287                                       struct regulator_config config)
1288 {
1289         int id, ret;
1290         unsigned int addr, reg;
1291         struct regulator_dev *rdev;
1292         struct palmas_reg_init *reg_init;
1293         struct palmas_regs_info *rinfo;
1294         struct regulator_desc *desc;
1295
1296         for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
1297                 /*
1298                  * Miss out regulators which are not available due
1299                  * to slaving configurations.
1300                  */
1301                 desc = &pmic->desc[id];
1302                 desc->n_linear_ranges = 3;
1303                 if ((id == TPS65917_REG_SMPS2) && pmic->smps12)
1304                         continue;
1305
1306                 /* Initialise sleep/init values from platform data */
1307                 if (pdata && pdata->reg_init[id]) {
1308                         reg_init = pdata->reg_init[id];
1309                         ret = palmas_smps_init(pmic->palmas, id, reg_init);
1310                         if (ret)
1311                                 return ret;
1312                 } else {
1313                         reg_init = NULL;
1314                 }
1315                 rinfo = &ddata->palmas_regs_info[id];
1316
1317                 /* Register the regulators */
1318                 desc->name = rinfo->name;
1319                 desc->id = id;
1320
1321                 /*
1322                  * Read and store the RANGE bit for later use
1323                  * This must be done before regulator is probed,
1324                  * otherwise we error in probe with unsupportable
1325                  * ranges. Read the current smps mode for later use.
1326                  */
1327                 addr = rinfo->vsel_addr;
1328
1329                 ret = palmas_smps_read(pmic->palmas, addr, &reg);
1330                 if (ret)
1331                         return ret;
1332                 if (reg & TPS65917_SMPS1_VOLTAGE_RANGE)
1333                         pmic->range[id] = 1;
1334
1335                 if (pmic->range[id])
1336                         desc->linear_ranges = smps_high_ranges;
1337                 else
1338                         desc->linear_ranges = smps_low_ranges;
1339
1340                 if (reg_init && reg_init->roof_floor)
1341                         desc->ops = &tps65917_ops_ext_control_smps;
1342                 else
1343                         desc->ops = &tps65917_ops_smps;
1344                 desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
1345                 desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1346                                                     rinfo->vsel_addr);
1347                 desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
1348                 desc->ramp_delay = 2500;
1349
1350                 /* Read the smps mode for later use. */
1351                 addr = rinfo->ctrl_addr;
1352                 ret = palmas_smps_read(pmic->palmas, addr, &reg);
1353                 if (ret)
1354                         return ret;
1355                 pmic->current_reg_mode[id] = reg &
1356                                 PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1357                 desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1358                                                       rinfo->ctrl_addr);
1359                 desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1360                 /* set_mode overrides this value */
1361                 desc->enable_val = SMPS_CTRL_MODE_ON;
1362
1363                 desc->type = REGULATOR_VOLTAGE;
1364                 desc->owner = THIS_MODULE;
1365
1366                 if (pdata)
1367                         config.init_data = pdata->reg_data[id];
1368                 else
1369                         config.init_data = NULL;
1370
1371                 desc->supply_name = rinfo->sname;
1372                 config.of_node = ddata->palmas_matches[id].of_node;
1373
1374                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1375                 if (IS_ERR(rdev)) {
1376                         dev_err(pmic->dev,
1377                                 "failed to register %s regulator\n",
1378                                 pdev_name);
1379                         return PTR_ERR(rdev);
1380                 }
1381
1382                 /* Save regulator for cleanup */
1383                 pmic->rdev[id] = rdev;
1384         }
1385
1386         return 0;
1387 }
1388
1389 static struct of_regulator_match palmas_matches[] = {
1390         { .name = "smps12", },
1391         { .name = "smps123", },
1392         { .name = "smps3", },
1393         { .name = "smps45", },
1394         { .name = "smps457", },
1395         { .name = "smps6", },
1396         { .name = "smps7", },
1397         { .name = "smps8", },
1398         { .name = "smps9", },
1399         { .name = "smps10_out2", },
1400         { .name = "smps10_out1", },
1401         { .name = "ldo1", },
1402         { .name = "ldo2", },
1403         { .name = "ldo3", },
1404         { .name = "ldo4", },
1405         { .name = "ldo5", },
1406         { .name = "ldo6", },
1407         { .name = "ldo7", },
1408         { .name = "ldo8", },
1409         { .name = "ldo9", },
1410         { .name = "ldoln", },
1411         { .name = "ldousb", },
1412         { .name = "regen1", },
1413         { .name = "regen2", },
1414         { .name = "regen3", },
1415         { .name = "sysen1", },
1416         { .name = "sysen2", },
1417 };
1418
1419 static struct of_regulator_match tps65917_matches[] = {
1420         { .name = "smps1", },
1421         { .name = "smps2", },
1422         { .name = "smps3", },
1423         { .name = "smps4", },
1424         { .name = "smps5", },
1425         { .name = "ldo1", },
1426         { .name = "ldo2", },
1427         { .name = "ldo3", },
1428         { .name = "ldo4", },
1429         { .name = "ldo5", },
1430         { .name = "regen1", },
1431         { .name = "regen2", },
1432         { .name = "regen3", },
1433         { .name = "sysen1", },
1434         { .name = "sysen2", },
1435 };
1436
1437 static struct palmas_pmic_driver_data palmas_ddata = {
1438         .smps_start = PALMAS_REG_SMPS12,
1439         .smps_end = PALMAS_REG_SMPS10_OUT1,
1440         .ldo_begin = PALMAS_REG_LDO1,
1441         .ldo_end = PALMAS_REG_LDOUSB,
1442         .max_reg = PALMAS_NUM_REGS,
1443         .has_regen3 = true,
1444         .palmas_regs_info = palmas_generic_regs_info,
1445         .palmas_matches = palmas_matches,
1446         .sleep_req_info = palma_sleep_req_info,
1447         .smps_register = palmas_smps_registration,
1448         .ldo_register = palmas_ldo_registration,
1449 };
1450
1451 static struct palmas_pmic_driver_data tps65917_ddata = {
1452         .smps_start = TPS65917_REG_SMPS1,
1453         .smps_end = TPS65917_REG_SMPS5,
1454         .ldo_begin = TPS65917_REG_LDO1,
1455         .ldo_end = TPS65917_REG_LDO5,
1456         .max_reg = TPS65917_NUM_REGS,
1457         .has_regen3 = true,
1458         .palmas_regs_info = tps65917_regs_info,
1459         .palmas_matches = tps65917_matches,
1460         .sleep_req_info = tps65917_sleep_req_info,
1461         .smps_register = tps65917_smps_registration,
1462         .ldo_register = tps65917_ldo_registration,
1463 };
1464
1465 static void palmas_dt_to_pdata(struct device *dev,
1466                                struct device_node *node,
1467                                struct palmas_pmic_platform_data *pdata,
1468                                struct palmas_pmic_driver_data *ddata)
1469 {
1470         struct device_node *regulators;
1471         u32 prop;
1472         int idx, ret;
1473
1474         regulators = of_get_child_by_name(node, "regulators");
1475         if (!regulators) {
1476                 dev_info(dev, "regulator node not found\n");
1477                 return;
1478         }
1479
1480         ret = of_regulator_match(dev, regulators, ddata->palmas_matches,
1481                                  ddata->max_reg);
1482         of_node_put(regulators);
1483         if (ret < 0) {
1484                 dev_err(dev, "Error parsing regulator init data: %d\n", ret);
1485                 return;
1486         }
1487
1488         for (idx = 0; idx < ddata->max_reg; idx++) {
1489                 if (!ddata->palmas_matches[idx].init_data ||
1490                     !ddata->palmas_matches[idx].of_node)
1491                         continue;
1492
1493                 pdata->reg_data[idx] = ddata->palmas_matches[idx].init_data;
1494
1495                 pdata->reg_init[idx] = devm_kzalloc(dev,
1496                                 sizeof(struct palmas_reg_init), GFP_KERNEL);
1497
1498                 pdata->reg_init[idx]->warm_reset =
1499                         of_property_read_bool(ddata->palmas_matches[idx].of_node,
1500                                               "ti,warm-reset");
1501
1502                 ret = of_property_read_u32(ddata->palmas_matches[idx].of_node,
1503                                            "ti,roof-floor", &prop);
1504                 /* EINVAL: Property not found */
1505                 if (ret != -EINVAL) {
1506                         int econtrol;
1507
1508                         /* use default value, when no value is specified */
1509                         econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1510                         if (!ret) {
1511                                 switch (prop) {
1512                                 case 1:
1513                                         econtrol = PALMAS_EXT_CONTROL_ENABLE1;
1514                                         break;
1515                                 case 2:
1516                                         econtrol = PALMAS_EXT_CONTROL_ENABLE2;
1517                                         break;
1518                                 case 3:
1519                                         econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1520                                         break;
1521                                 default:
1522                                         WARN_ON(1);
1523                                         dev_warn(dev,
1524                                                  "%s: Invalid roof-floor option: %u\n",
1525                                              palmas_matches[idx].name, prop);
1526                                         break;
1527                                 }
1528                         }
1529                         pdata->reg_init[idx]->roof_floor = econtrol;
1530                 }
1531
1532                 ret = of_property_read_u32(ddata->palmas_matches[idx].of_node,
1533                                            "ti,mode-sleep", &prop);
1534                 if (!ret)
1535                         pdata->reg_init[idx]->mode_sleep = prop;
1536
1537                 ret = of_property_read_bool(ddata->palmas_matches[idx].of_node,
1538                                             "ti,smps-range");
1539                 if (ret)
1540                         pdata->reg_init[idx]->vsel =
1541                                 PALMAS_SMPS12_VOLTAGE_RANGE;
1542
1543                 if (idx == PALMAS_REG_LDO8)
1544                         pdata->enable_ldo8_tracking = of_property_read_bool(
1545                                                 ddata->palmas_matches[idx].of_node,
1546                                                 "ti,enable-ldo8-tracking");
1547         }
1548
1549         pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator");
1550 }
1551
1552 static const struct of_device_id of_palmas_match_tbl[] = {
1553         {
1554                 .compatible = "ti,palmas-pmic",
1555                 .data = &palmas_ddata,
1556         },
1557         {
1558                 .compatible = "ti,twl6035-pmic",
1559                 .data = &palmas_ddata,
1560         },
1561         {
1562                 .compatible = "ti,twl6036-pmic",
1563                 .data = &palmas_ddata,
1564         },
1565         {
1566                 .compatible = "ti,twl6037-pmic",
1567                 .data = &palmas_ddata,
1568         },
1569         {
1570                 .compatible = "ti,tps65913-pmic",
1571                 .data = &palmas_ddata,
1572         },
1573         {
1574                 .compatible = "ti,tps65914-pmic",
1575                 .data = &palmas_ddata,
1576         },
1577         {
1578                 .compatible = "ti,tps80036-pmic",
1579                 .data = &palmas_ddata,
1580         },
1581         {
1582                 .compatible = "ti,tps659038-pmic",
1583                 .data = &palmas_ddata,
1584         },
1585          {
1586                 .compatible = "ti,tps65917-pmic",
1587                 .data = &tps65917_ddata,
1588         },
1589         { /* end */ }
1590 };
1591
1592 static int palmas_regulators_probe(struct platform_device *pdev)
1593 {
1594         struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
1595         struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev);
1596         struct device_node *node = pdev->dev.of_node;
1597         struct palmas_pmic_driver_data *driver_data;
1598         struct regulator_config config = { };
1599         struct palmas_pmic *pmic;
1600         const char *pdev_name;
1601         const struct of_device_id *match;
1602         int ret = 0;
1603         unsigned int reg;
1604
1605         match = of_match_device(of_match_ptr(of_palmas_match_tbl), &pdev->dev);
1606
1607         if (!match)
1608                 return -ENODATA;
1609
1610         driver_data = (struct palmas_pmic_driver_data *)match->data;
1611         pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
1612         if (!pdata)
1613                 return -ENOMEM;
1614
1615         pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
1616         if (!pmic)
1617                 return -ENOMEM;
1618
1619         if (of_device_is_compatible(node, "ti,tps659038-pmic")) {
1620                 palmas_generic_regs_info[PALMAS_REG_REGEN2].ctrl_addr =
1621                                                         TPS659038_REGEN2_CTRL;
1622                 palmas_ddata.has_regen3 = false;
1623         }
1624
1625         pmic->dev = &pdev->dev;
1626         pmic->palmas = palmas;
1627         palmas->pmic = pmic;
1628         platform_set_drvdata(pdev, pmic);
1629         pmic->palmas->pmic_ddata = driver_data;
1630
1631         palmas_dt_to_pdata(&pdev->dev, node, pdata, driver_data);
1632
1633         ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, &reg);
1634         if (ret)
1635                 return ret;
1636
1637         if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN)
1638                 pmic->smps123 = 1;
1639
1640         if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN)
1641                 pmic->smps457 = 1;
1642
1643         config.regmap = palmas->regmap[REGULATOR_SLAVE];
1644         config.dev = &pdev->dev;
1645         config.driver_data = pmic;
1646         pdev_name = pdev->name;
1647
1648         ret = driver_data->smps_register(pmic, driver_data, pdata, pdev_name,
1649                                          config);
1650         if (ret)
1651                 return ret;
1652
1653         ret = driver_data->ldo_register(pmic, driver_data, pdata, pdev_name,
1654                                         config);
1655
1656         return ret;
1657 }
1658
1659 static struct platform_driver palmas_driver = {
1660         .driver = {
1661                 .name = "palmas-pmic",
1662                 .of_match_table = of_palmas_match_tbl,
1663         },
1664         .probe = palmas_regulators_probe,
1665 };
1666
1667 static int __init palmas_init(void)
1668 {
1669         return platform_driver_register(&palmas_driver);
1670 }
1671 subsys_initcall(palmas_init);
1672
1673 static void __exit palmas_exit(void)
1674 {
1675         platform_driver_unregister(&palmas_driver);
1676 }
1677 module_exit(palmas_exit);
1678
1679 MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>");
1680 MODULE_DESCRIPTION("Palmas voltage regulator driver");
1681 MODULE_LICENSE("GPL");
1682 MODULE_ALIAS("platform:palmas-pmic");
1683 MODULE_DEVICE_TABLE(of, of_palmas_match_tbl);