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           = "SMPS12",
 268                 .sname          = "smps1-in",
 269                 .vsel_addr      = TPS65917_SMPS1_VOLTAGE,
 270                 .ctrl_addr      = TPS65917_SMPS1_CTRL,
 271                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS12,
 272         },
 273         {
 274                 .name           = "LDO1",
 275                 .sname          = "ldo1-in",
 276                 .vsel_addr      = TPS65917_LDO1_VOLTAGE,
 277                 .ctrl_addr      = TPS65917_LDO1_CTRL,
 278                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO1,
 279         },
 280         {
 281                 .name           = "LDO2",
 282                 .sname          = "ldo2-in",
 283                 .vsel_addr      = TPS65917_LDO2_VOLTAGE,
 284                 .ctrl_addr      = TPS65917_LDO2_CTRL,
 285                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO2,
 286         },
 287         {
 288                 .name           = "LDO3",
 289                 .sname          = "ldo3-in",
 290                 .vsel_addr      = TPS65917_LDO3_VOLTAGE,
 291                 .ctrl_addr      = TPS65917_LDO3_CTRL,
 292                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO3,
 293         },
 294         {
 295                 .name           = "LDO4",
 296                 .sname          = "ldo4-in",
 297                 .vsel_addr      = TPS65917_LDO4_VOLTAGE,
 298                 .ctrl_addr      = TPS65917_LDO4_CTRL,
 299                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO4,
 300         },
 301         {
 302                 .name           = "LDO5",
 303                 .sname          = "ldo5-in",
 304                 .vsel_addr      = TPS65917_LDO5_VOLTAGE,
 305                 .ctrl_addr      = TPS65917_LDO5_CTRL,
 306                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO5,
 307         },
 308         {
 309                 .name           = "REGEN1",
 310                 .ctrl_addr      = TPS65917_REGEN1_CTRL,
 311                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_REGEN1,
 312         },
 313         {
 314                 .name           = "REGEN2",
 315                 .ctrl_addr      = TPS65917_REGEN2_CTRL,
 316                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_REGEN2,
 317         },
 318         {
 319                 .name           = "REGEN3",
 320                 .ctrl_addr      = TPS65917_REGEN3_CTRL,
 321                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_REGEN3,
 322         },
 323 };
 324
 325 #define EXTERNAL_REQUESTOR(_id, _offset, _pos)          \
 326         [PALMAS_EXTERNAL_REQSTR_ID_##_id] = {           \
 327                 .id = PALMAS_EXTERNAL_REQSTR_ID_##_id,  \
 328                 .reg_offset = _offset,                  \
 329                 .bit_pos = _pos,                        \
 330         }
 331
 332 static struct palmas_sleep_requestor_info palma_sleep_req_info[] = {
 333         EXTERNAL_REQUESTOR(REGEN1, 0, 0),
 334         EXTERNAL_REQUESTOR(REGEN2, 0, 1),
 335         EXTERNAL_REQUESTOR(SYSEN1, 0, 2),
 336         EXTERNAL_REQUESTOR(SYSEN2, 0, 3),
 337         EXTERNAL_REQUESTOR(CLK32KG, 0, 4),
 338         EXTERNAL_REQUESTOR(CLK32KGAUDIO, 0, 5),
 339         EXTERNAL_REQUESTOR(REGEN3, 0, 6),
 340         EXTERNAL_REQUESTOR(SMPS12, 1, 0),
 341         EXTERNAL_REQUESTOR(SMPS3, 1, 1),
 342         EXTERNAL_REQUESTOR(SMPS45, 1, 2),
 343         EXTERNAL_REQUESTOR(SMPS6, 1, 3),
 344         EXTERNAL_REQUESTOR(SMPS7, 1, 4),
 345         EXTERNAL_REQUESTOR(SMPS8, 1, 5),
 346         EXTERNAL_REQUESTOR(SMPS9, 1, 6),
 347         EXTERNAL_REQUESTOR(SMPS10, 1, 7),
 348         EXTERNAL_REQUESTOR(LDO1, 2, 0),
 349         EXTERNAL_REQUESTOR(LDO2, 2, 1),
 350         EXTERNAL_REQUESTOR(LDO3, 2, 2),
 351         EXTERNAL_REQUESTOR(LDO4, 2, 3),
 352         EXTERNAL_REQUESTOR(LDO5, 2, 4),
 353         EXTERNAL_REQUESTOR(LDO6, 2, 5),
 354         EXTERNAL_REQUESTOR(LDO7, 2, 6),
 355         EXTERNAL_REQUESTOR(LDO8, 2, 7),
 356         EXTERNAL_REQUESTOR(LDO9, 3, 0),
 357         EXTERNAL_REQUESTOR(LDOLN, 3, 1),
 358         EXTERNAL_REQUESTOR(LDOUSB, 3, 2),
 359 };
 360
 361 #define EXTERNAL_REQUESTOR_TPS65917(_id, _offset, _pos)         \
 362         [TPS65917_EXTERNAL_REQSTR_ID_##_id] = {         \
 363                 .id = TPS65917_EXTERNAL_REQSTR_ID_##_id,        \
 364                 .reg_offset = _offset,                  \
 365                 .bit_pos = _pos,                        \
 366         }
 367
 368 static struct palmas_sleep_requestor_info tps65917_sleep_req_info[] = {
 369         EXTERNAL_REQUESTOR_TPS65917(REGEN1, 0, 0),
 370         EXTERNAL_REQUESTOR_TPS65917(REGEN2, 0, 1),
 371         EXTERNAL_REQUESTOR_TPS65917(REGEN3, 0, 6),
 372         EXTERNAL_REQUESTOR_TPS65917(SMPS1, 1, 0),
 373         EXTERNAL_REQUESTOR_TPS65917(SMPS2, 1, 1),
 374         EXTERNAL_REQUESTOR_TPS65917(SMPS3, 1, 2),
 375         EXTERNAL_REQUESTOR_TPS65917(SMPS4, 1, 3),
 376         EXTERNAL_REQUESTOR_TPS65917(SMPS5, 1, 4),
 377         EXTERNAL_REQUESTOR_TPS65917(SMPS12, 1, 5),
 378         EXTERNAL_REQUESTOR_TPS65917(LDO1, 2, 0),
 379         EXTERNAL_REQUESTOR_TPS65917(LDO2, 2, 1),
 380         EXTERNAL_REQUESTOR_TPS65917(LDO3, 2, 2),
 381         EXTERNAL_REQUESTOR_TPS65917(LDO4, 2, 3),
 382         EXTERNAL_REQUESTOR_TPS65917(LDO5, 2, 4),
 383 };
 384
 385 static unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500};
 386
 387 #define SMPS_CTRL_MODE_OFF              0x00
 388 #define SMPS_CTRL_MODE_ON               0x01
 389 #define SMPS_CTRL_MODE_ECO              0x02
 390 #define SMPS_CTRL_MODE_PWM              0x03
 391
 392 #define PALMAS_SMPS_NUM_VOLTAGES        122
 393 #define PALMAS_SMPS10_NUM_VOLTAGES      2
 394 #define PALMAS_LDO_NUM_VOLTAGES         50
 395
 396 #define SMPS10_VSEL                     (1<<3)
 397 #define SMPS10_BOOST_EN                 (1<<2)
 398 #define SMPS10_BYPASS_EN                (1<<1)
 399 #define SMPS10_SWITCH_EN                (1<<0)
 400
 401 #define REGULATOR_SLAVE                 0
 402
 403 static int palmas_smps_read(struct palmas *palmas, unsigned int reg,
 404                 unsigned int *dest)
 405 {
 406         unsigned int addr;
 407
 408         addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg);
 409
 410         return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest);
 411 }
 412
 413 static int palmas_smps_write(struct palmas *palmas, unsigned int reg,
 414                 unsigned int value)
 415 {
 416         unsigned int addr;
 417
 418         addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg);
 419
 420         return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value);
 421 }
 422
 423 static int palmas_ldo_read(struct palmas *palmas, unsigned int reg,
 424                 unsigned int *dest)
 425 {
 426         unsigned int addr;
 427
 428         addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg);
 429
 430         return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest);
 431 }
 432
 433 static int palmas_ldo_write(struct palmas *palmas, unsigned int reg,
 434                 unsigned int value)
 435 {
 436         unsigned int addr;
 437
 438         addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg);
 439
 440         return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value);
 441 }
 442
 443 static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
 444 {
 445         int id = rdev_get_id(dev);
 446         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 447         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 448         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 449         unsigned int reg;
 450         bool rail_enable = true;
 451
 452         palmas_smps_read(pmic->palmas, rinfo->ctrl_addr, &reg);
 453
 454         reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 455
 456         if (reg == SMPS_CTRL_MODE_OFF)
 457                 rail_enable = false;
 458
 459         switch (mode) {
 460         case REGULATOR_MODE_NORMAL:
 461                 reg |= SMPS_CTRL_MODE_ON;
 462                 break;
 463         case REGULATOR_MODE_IDLE:
 464                 reg |= SMPS_CTRL_MODE_ECO;
 465                 break;
 466         case REGULATOR_MODE_FAST:
 467                 reg |= SMPS_CTRL_MODE_PWM;
 468                 break;
 469         default:
 470                 return -EINVAL;
 471         }
 472
 473         pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 474         if (rail_enable)
 475                 palmas_smps_write(pmic->palmas, rinfo->ctrl_addr, reg);
 476
 477         /* Switch the enable value to ensure this is used for enable */
 478         pmic->desc[id].enable_val = pmic->current_reg_mode[id];
 479
 480         return 0;
 481 }
 482
 483 static unsigned int palmas_get_mode_smps(struct regulator_dev *dev)
 484 {
 485         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 486         int id = rdev_get_id(dev);
 487         unsigned int reg;
 488
 489         reg = pmic->current_reg_mode[id] & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 490
 491         switch (reg) {
 492         case SMPS_CTRL_MODE_ON:
 493                 return REGULATOR_MODE_NORMAL;
 494         case SMPS_CTRL_MODE_ECO:
 495                 return REGULATOR_MODE_IDLE;
 496         case SMPS_CTRL_MODE_PWM:
 497                 return REGULATOR_MODE_FAST;
 498         }
 499
 500         return 0;
 501 }
 502
 503 static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev,
 504                  int ramp_delay)
 505 {
 506         int id = rdev_get_id(rdev);
 507         struct palmas_pmic *pmic = rdev_get_drvdata(rdev);
 508         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 509         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 510         unsigned int reg = 0;
 511         int ret;
 512
 513         /* SMPS3 and SMPS7 do not have tstep_addr setting */
 514         switch (id) {
 515         case PALMAS_REG_SMPS3:
 516         case PALMAS_REG_SMPS7:
 517                 return 0;
 518         }
 519
 520         if (ramp_delay <= 0)
 521                 reg = 0;
 522         else if (ramp_delay <= 2500)
 523                 reg = 3;
 524         else if (ramp_delay <= 5000)
 525                 reg = 2;
 526         else
 527                 reg = 1;
 528
 529         ret = palmas_smps_write(pmic->palmas, rinfo->tstep_addr, reg);
 530         if (ret < 0) {
 531                 dev_err(pmic->palmas->dev, "TSTEP write failed: %d\n", ret);
 532                 return ret;
 533         }
 534
 535         pmic->ramp_delay[id] = palmas_smps_ramp_delay[reg];
 536         return ret;
 537 }
 538
 539 static const struct regulator_ops palmas_ops_smps = {
 540         .is_enabled             = regulator_is_enabled_regmap,
 541         .enable                 = regulator_enable_regmap,
 542         .disable                = regulator_disable_regmap,
 543         .set_mode               = palmas_set_mode_smps,
 544         .get_mode               = palmas_get_mode_smps,
 545         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 546         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 547         .list_voltage           = regulator_list_voltage_linear_range,
 548         .map_voltage            = regulator_map_voltage_linear_range,
 549         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 550         .set_ramp_delay         = palmas_smps_set_ramp_delay,
 551 };
 552
 553 static const struct regulator_ops palmas_ops_ext_control_smps = {
 554         .set_mode               = palmas_set_mode_smps,
 555         .get_mode               = palmas_get_mode_smps,
 556         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 557         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 558         .list_voltage           = regulator_list_voltage_linear_range,
 559         .map_voltage            = regulator_map_voltage_linear_range,
 560         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 561         .set_ramp_delay         = palmas_smps_set_ramp_delay,
 562 };
 563
 564 static const struct regulator_ops palmas_ops_smps10 = {
 565         .is_enabled             = regulator_is_enabled_regmap,
 566         .enable                 = regulator_enable_regmap,
 567         .disable                = regulator_disable_regmap,
 568         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 569         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 570         .list_voltage           = regulator_list_voltage_linear,
 571         .map_voltage            = regulator_map_voltage_linear,
 572         .set_bypass             = regulator_set_bypass_regmap,
 573         .get_bypass             = regulator_get_bypass_regmap,
 574 };
 575
 576 static const struct regulator_ops tps65917_ops_smps = {
 577         .is_enabled             = regulator_is_enabled_regmap,
 578         .enable                 = regulator_enable_regmap,
 579         .disable                = regulator_disable_regmap,
 580         .set_mode               = palmas_set_mode_smps,
 581         .get_mode               = palmas_get_mode_smps,
 582         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 583         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 584         .list_voltage           = regulator_list_voltage_linear_range,
 585         .map_voltage            = regulator_map_voltage_linear_range,
 586         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 587 };
 588
 589 static const struct regulator_ops tps65917_ops_ext_control_smps = {
 590         .set_mode               = palmas_set_mode_smps,
 591         .get_mode               = palmas_get_mode_smps,
 592         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 593         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 594         .list_voltage           = regulator_list_voltage_linear_range,
 595         .map_voltage            = regulator_map_voltage_linear_range,
 596 };
 597
 598 static int palmas_is_enabled_ldo(struct regulator_dev *dev)
 599 {
 600         int id = rdev_get_id(dev);
 601         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 602         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 603         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 604         unsigned int reg;
 605
 606         palmas_ldo_read(pmic->palmas, rinfo->ctrl_addr, &reg);
 607
 608         reg &= PALMAS_LDO1_CTRL_STATUS;
 609
 610         return !!(reg);
 611 }
 612
 613 static const struct regulator_ops palmas_ops_ldo = {
 614         .is_enabled             = palmas_is_enabled_ldo,
 615         .enable                 = regulator_enable_regmap,
 616         .disable                = regulator_disable_regmap,
 617         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 618         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 619         .list_voltage           = regulator_list_voltage_linear,
 620         .map_voltage            = regulator_map_voltage_linear,
 621 };
 622
 623 static const struct regulator_ops palmas_ops_ldo9 = {
 624         .is_enabled             = palmas_is_enabled_ldo,
 625         .enable                 = regulator_enable_regmap,
 626         .disable                = regulator_disable_regmap,
 627         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 628         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 629         .list_voltage           = regulator_list_voltage_linear,
 630         .map_voltage            = regulator_map_voltage_linear,
 631         .set_bypass             = regulator_set_bypass_regmap,
 632         .get_bypass             = regulator_get_bypass_regmap,
 633 };
 634
 635 static const struct regulator_ops palmas_ops_ext_control_ldo = {
 636         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 637         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 638         .list_voltage           = regulator_list_voltage_linear,
 639         .map_voltage            = regulator_map_voltage_linear,
 640 };
 641
 642 static const struct regulator_ops palmas_ops_extreg = {
 643         .is_enabled             = regulator_is_enabled_regmap,
 644         .enable                 = regulator_enable_regmap,
 645         .disable                = regulator_disable_regmap,
 646 };
 647
 648 static const struct regulator_ops palmas_ops_ext_control_extreg = {
 649 };
 650
 651 static const struct regulator_ops tps65917_ops_ldo = {
 652         .is_enabled             = palmas_is_enabled_ldo,
 653         .enable                 = regulator_enable_regmap,
 654         .disable                = regulator_disable_regmap,
 655         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 656         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 657         .list_voltage           = regulator_list_voltage_linear,
 658         .map_voltage            = regulator_map_voltage_linear,
 659         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 660 };
 661
 662 static const struct regulator_ops tps65917_ops_ldo_1_2 = {
 663         .is_enabled             = palmas_is_enabled_ldo,
 664         .enable                 = regulator_enable_regmap,
 665         .disable                = regulator_disable_regmap,
 666         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 667         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 668         .list_voltage           = regulator_list_voltage_linear,
 669         .map_voltage            = regulator_map_voltage_linear,
 670         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 671         .set_bypass             = regulator_set_bypass_regmap,
 672         .get_bypass             = regulator_get_bypass_regmap,
 673 };
 674
 675 static int palmas_regulator_config_external(struct palmas *palmas, int id,
 676                 struct palmas_reg_init *reg_init)
 677 {
 678         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 679         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 680         int ret;
 681
 682         ret = palmas_ext_control_req_config(palmas, rinfo->sleep_id,
 683                                             reg_init->roof_floor, true);
 684         if (ret < 0)
 685                 dev_err(palmas->dev,
 686                         "Ext control config for regulator %d failed %d\n",
 687                         id, ret);
 688         return ret;
 689 }
 690
 691 /*
 692  * setup the hardware based sleep configuration of the SMPS/LDO regulators
 693  * from the platform data. This is different to the software based control
 694  * supported by the regulator framework as it is controlled by toggling
 695  * pins on the PMIC such as PREQ, SYSEN, ...
 696  */
 697 static int palmas_smps_init(struct palmas *palmas, int id,
 698                 struct palmas_reg_init *reg_init)
 699 {
 700         unsigned int reg;
 701         int ret;
 702         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 703         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 704         unsigned int addr = rinfo->ctrl_addr;
 705
 706         ret = palmas_smps_read(palmas, addr, &reg);
 707         if (ret)
 708                 return ret;
 709
 710         switch (id) {
 711         case PALMAS_REG_SMPS10_OUT1:
 712         case PALMAS_REG_SMPS10_OUT2:
 713                 reg &= ~PALMAS_SMPS10_CTRL_MODE_SLEEP_MASK;
 714                 if (reg_init->mode_sleep)
 715                         reg |= reg_init->mode_sleep <<
 716                                         PALMAS_SMPS10_CTRL_MODE_SLEEP_SHIFT;
 717                 break;
 718         default:
 719                 if (reg_init->warm_reset)
 720                         reg |= PALMAS_SMPS12_CTRL_WR_S;
 721                 else
 722                         reg &= ~PALMAS_SMPS12_CTRL_WR_S;
 723
 724                 if (reg_init->roof_floor)
 725                         reg |= PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
 726                 else
 727                         reg &= ~PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
 728
 729                 reg &= ~PALMAS_SMPS12_CTRL_MODE_SLEEP_MASK;
 730                 if (reg_init->mode_sleep)
 731                         reg |= reg_init->mode_sleep <<
 732                                         PALMAS_SMPS12_CTRL_MODE_SLEEP_SHIFT;
 733         }
 734
 735         ret = palmas_smps_write(palmas, addr, reg);
 736         if (ret)
 737                 return ret;
 738
 739         if (rinfo->vsel_addr && reg_init->vsel) {
 740
 741                 reg = reg_init->vsel;
 742
 743                 ret = palmas_smps_write(palmas, rinfo->vsel_addr, reg);
 744                 if (ret)
 745                         return ret;
 746         }
 747
 748         if (reg_init->roof_floor && (id != PALMAS_REG_SMPS10_OUT1) &&
 749                         (id != PALMAS_REG_SMPS10_OUT2)) {
 750                 /* Enable externally controlled regulator */
 751                 ret = palmas_smps_read(palmas, addr, &reg);
 752                 if (ret < 0)
 753                         return ret;
 754
 755                 if (!(reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK)) {
 756                         reg |= SMPS_CTRL_MODE_ON;
 757                         ret = palmas_smps_write(palmas, addr, reg);
 758                         if (ret < 0)
 759                                 return ret;
 760                 }
 761                 return palmas_regulator_config_external(palmas, id, reg_init);
 762         }
 763         return 0;
 764 }
 765
 766 static int palmas_ldo_init(struct palmas *palmas, int id,
 767                 struct palmas_reg_init *reg_init)
 768 {
 769         unsigned int reg;
 770         unsigned int addr;
 771         int ret;
 772         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 773         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 774
 775         addr = rinfo->ctrl_addr;
 776
 777         ret = palmas_ldo_read(palmas, addr, &reg);
 778         if (ret)
 779                 return ret;
 780
 781         if (reg_init->warm_reset)
 782                 reg |= PALMAS_LDO1_CTRL_WR_S;
 783         else
 784                 reg &= ~PALMAS_LDO1_CTRL_WR_S;
 785
 786         if (reg_init->mode_sleep)
 787                 reg |= PALMAS_LDO1_CTRL_MODE_SLEEP;
 788         else
 789                 reg &= ~PALMAS_LDO1_CTRL_MODE_SLEEP;
 790
 791         ret = palmas_ldo_write(palmas, addr, reg);
 792         if (ret)
 793                 return ret;
 794
 795         if (reg_init->roof_floor) {
 796                 /* Enable externally controlled regulator */
 797                 ret = palmas_update_bits(palmas, PALMAS_LDO_BASE,
 798                                 addr, PALMAS_LDO1_CTRL_MODE_ACTIVE,
 799                                 PALMAS_LDO1_CTRL_MODE_ACTIVE);
 800                 if (ret < 0) {
 801                         dev_err(palmas->dev,
 802                                 "LDO Register 0x%02x update failed %d\n",
 803                                 addr, ret);
 804                         return ret;
 805                 }
 806                 return palmas_regulator_config_external(palmas, id, reg_init);
 807         }
 808         return 0;
 809 }
 810
 811 static int palmas_extreg_init(struct palmas *palmas, int id,
 812                 struct palmas_reg_init *reg_init)
 813 {
 814         unsigned int addr;
 815         int ret;
 816         unsigned int val = 0;
 817         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 818         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 819
 820         addr = rinfo->ctrl_addr;
 821
 822         if (reg_init->mode_sleep)
 823                 val = PALMAS_REGEN1_CTRL_MODE_SLEEP;
 824
 825         ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
 826                         addr, PALMAS_REGEN1_CTRL_MODE_SLEEP, val);
 827         if (ret < 0) {
 828                 dev_err(palmas->dev, "Resource reg 0x%02x update failed %d\n",
 829                         addr, ret);
 830                 return ret;
 831         }
 832
 833         if (reg_init->roof_floor) {
 834                 /* Enable externally controlled regulator */
 835                 ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
 836                                 addr, PALMAS_REGEN1_CTRL_MODE_ACTIVE,
 837                                 PALMAS_REGEN1_CTRL_MODE_ACTIVE);
 838                 if (ret < 0) {
 839                         dev_err(palmas->dev,
 840                                 "Resource Register 0x%02x update failed %d\n",
 841                                 addr, ret);
 842                         return ret;
 843                 }
 844                 return palmas_regulator_config_external(palmas, id, reg_init);
 845         }
 846         return 0;
 847 }
 848
 849 static void palmas_enable_ldo8_track(struct palmas *palmas)
 850 {
 851         unsigned int reg;
 852         unsigned int addr;
 853         int ret;
 854         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 855         struct palmas_regs_info *rinfo;
 856
 857         rinfo = &ddata->palmas_regs_info[PALMAS_REG_LDO8];
 858         addr = rinfo->ctrl_addr;
 859
 860         ret = palmas_ldo_read(palmas, addr, &reg);
 861         if (ret) {
 862                 dev_err(palmas->dev, "Error in reading ldo8 control reg\n");
 863                 return;
 864         }
 865
 866         reg |= PALMAS_LDO8_CTRL_LDO_TRACKING_EN;
 867         ret = palmas_ldo_write(palmas, addr, reg);
 868         if (ret < 0) {
 869                 dev_err(palmas->dev, "Error in enabling tracking mode\n");
 870                 return;
 871         }
 872         /*
 873          * When SMPS45 is set to off and LDO8 tracking is enabled, the LDO8
 874          * output is defined by the LDO8_VOLTAGE.VSEL register divided by two,
 875          * and can be set from 0.45 to 1.65 V.
 876          */
 877         addr = rinfo->vsel_addr;
 878         ret = palmas_ldo_read(palmas, addr, &reg);
 879         if (ret) {
 880                 dev_err(palmas->dev, "Error in reading ldo8 voltage reg\n");
 881                 return;
 882         }
 883
 884         reg = (reg << 1) & PALMAS_LDO8_VOLTAGE_VSEL_MASK;
 885         ret = palmas_ldo_write(palmas, addr, reg);
 886         if (ret < 0)
 887                 dev_err(palmas->dev, "Error in setting ldo8 voltage reg\n");
 888
 889         return;
 890 }
 891
 892 static int palmas_ldo_registration(struct palmas_pmic *pmic,
 893                                    struct palmas_pmic_driver_data *ddata,
 894                                    struct palmas_pmic_platform_data *pdata,
 895                                    const char *pdev_name,
 896                                    struct regulator_config config)
 897 {
 898         int id, ret;
 899         struct regulator_dev *rdev;
 900         struct palmas_reg_init *reg_init;
 901         struct palmas_regs_info *rinfo;
 902         struct regulator_desc *desc;
 903
 904         for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
 905                 if (pdata && pdata->reg_init[id])
 906                         reg_init = pdata->reg_init[id];
 907                 else
 908                         reg_init = NULL;
 909
 910                 rinfo = &ddata->palmas_regs_info[id];
 911                 /* Miss out regulators which are not available due
 912                  * to alternate functions.
 913                  */
 914
 915                 /* Register the regulators */
 916                 desc = &pmic->desc[id];
 917                 desc->name = rinfo->name;
 918                 desc->id = id;
 919                 desc->type = REGULATOR_VOLTAGE;
 920                 desc->owner = THIS_MODULE;
 921
 922                 if (id < PALMAS_REG_REGEN1) {
 923                         desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES;
 924                         if (reg_init && reg_init->roof_floor)
 925                                 desc->ops = &palmas_ops_ext_control_ldo;
 926                         else
 927                                 desc->ops = &palmas_ops_ldo;
 928                         desc->min_uV = 900000;
 929                         desc->uV_step = 50000;
 930                         desc->linear_min_sel = 1;
 931                         desc->enable_time = 500;
 932                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
 933                                                             rinfo->vsel_addr);
 934                         desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
 935                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
 936                                                               rinfo->ctrl_addr);
 937                         desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
 938
 939                         /* Check if LDO8 is in tracking mode or not */
 940                         if (pdata && (id == PALMAS_REG_LDO8) &&
 941                             pdata->enable_ldo8_tracking) {
 942                                 palmas_enable_ldo8_track(pmic->palmas);
 943                                 desc->min_uV = 450000;
 944                                 desc->uV_step = 25000;
 945                         }
 946
 947                         /* LOD6 in vibrator mode will have enable time 2000us */
 948                         if (pdata && pdata->ldo6_vibrator &&
 949                             (id == PALMAS_REG_LDO6))
 950                                 desc->enable_time = 2000;
 951
 952                         if (id == PALMAS_REG_LDO9) {
 953                                 desc->ops = &palmas_ops_ldo9;
 954                                 desc->bypass_reg = desc->enable_reg;
 955                                 desc->bypass_val_on =
 956                                                 PALMAS_LDO9_CTRL_LDO_BYPASS_EN;
 957                                 desc->bypass_mask =
 958                                                 PALMAS_LDO9_CTRL_LDO_BYPASS_EN;
 959                         }
 960                 } else {
 961                         if (!ddata->has_regen3 && id == PALMAS_REG_REGEN3)
 962                                 continue;
 963
 964                         desc->n_voltages = 1;
 965                         if (reg_init && reg_init->roof_floor)
 966                                 desc->ops = &palmas_ops_ext_control_extreg;
 967                         else
 968                                 desc->ops = &palmas_ops_extreg;
 969                         desc->enable_reg =
 970                                         PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
 971                                                            rinfo->ctrl_addr);
 972                         desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
 973                 }
 974
 975                 if (pdata)
 976                         config.init_data = pdata->reg_data[id];
 977                 else
 978                         config.init_data = NULL;
 979
 980                 desc->supply_name = rinfo->sname;
 981                 config.of_node = ddata->palmas_matches[id].of_node;
 982
 983                 rdev = devm_regulator_register(pmic->dev, desc, &config);
 984                 if (IS_ERR(rdev)) {
 985                         dev_err(pmic->dev,
 986                                 "failed to register %s regulator\n",
 987                                 pdev_name);
 988                         return PTR_ERR(rdev);
 989                 }
 990
 991                 /* Save regulator for cleanup */
 992                 pmic->rdev[id] = rdev;
 993
 994                 /* Initialise sleep/init values from platform data */
 995                 if (pdata) {
 996                         reg_init = pdata->reg_init[id];
 997                         if (reg_init) {
 998                                 if (id <= ddata->ldo_end)
 999                                         ret = palmas_ldo_init(pmic->palmas, id,
1000                                                               reg_init);
1001                                 else
1002                                         ret = palmas_extreg_init(pmic->palmas,
1003                                                                  id, reg_init);
1004                                 if (ret)
1005                                         return ret;
1006                         }
1007                 }
1008         }
1009
1010         return 0;
1011 }
1012
1013 static int tps65917_ldo_registration(struct palmas_pmic *pmic,
1014                                      struct palmas_pmic_driver_data *ddata,
1015                                      struct palmas_pmic_platform_data *pdata,
1016                                      const char *pdev_name,
1017                                      struct regulator_config config)
1018 {
1019         int id, ret;
1020         struct regulator_dev *rdev;
1021         struct palmas_reg_init *reg_init;
1022         struct palmas_regs_info *rinfo;
1023         struct regulator_desc *desc;
1024
1025         for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
1026                 if (pdata && pdata->reg_init[id])
1027                         reg_init = pdata->reg_init[id];
1028                 else
1029                         reg_init = NULL;
1030
1031                 /* Miss out regulators which are not available due
1032                  * to alternate functions.
1033                  */
1034                 rinfo = &ddata->palmas_regs_info[id];
1035
1036                 /* Register the regulators */
1037                 desc = &pmic->desc[id];
1038                 desc->name = rinfo->name;
1039                 desc->id = id;
1040                 desc->type = REGULATOR_VOLTAGE;
1041                 desc->owner = THIS_MODULE;
1042
1043                 if (id < TPS65917_REG_REGEN1) {
1044                         desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES;
1045                         if (reg_init && reg_init->roof_floor)
1046                                 desc->ops = &palmas_ops_ext_control_ldo;
1047                         else
1048                                 desc->ops = &tps65917_ops_ldo;
1049                         desc->min_uV = 900000;
1050                         desc->uV_step = 50000;
1051                         desc->linear_min_sel = 1;
1052                         desc->enable_time = 500;
1053                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
1054                                                             rinfo->vsel_addr);
1055                         desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
1056                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
1057                                                               rinfo->ctrl_addr);
1058                         desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
1059                         /*
1060                          * To be confirmed. Discussion on going with PMIC Team.
1061                          * It is of the order of ~60mV/uS.
1062                          */
1063                         desc->ramp_delay = 2500;
1064                         if (id == TPS65917_REG_LDO1 ||
1065                             id == TPS65917_REG_LDO2) {
1066                                 desc->ops = &tps65917_ops_ldo_1_2;
1067                                 desc->bypass_reg = desc->enable_reg;
1068                                 desc->bypass_val_on =
1069                                                 TPS65917_LDO1_CTRL_BYPASS_EN;
1070                                 desc->bypass_mask =
1071                                                 TPS65917_LDO1_CTRL_BYPASS_EN;
1072                         }
1073                 } else {
1074                         desc->n_voltages = 1;
1075                         if (reg_init && reg_init->roof_floor)
1076                                 desc->ops = &palmas_ops_ext_control_extreg;
1077                         else
1078                                 desc->ops = &palmas_ops_extreg;
1079                         desc->enable_reg =
1080                                         PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
1081                                                            rinfo->ctrl_addr);
1082                         desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
1083                 }
1084
1085                 if (pdata)
1086                         config.init_data = pdata->reg_data[id];
1087                 else
1088                         config.init_data = NULL;
1089
1090                 desc->supply_name = rinfo->sname;
1091                 config.of_node = ddata->palmas_matches[id].of_node;
1092
1093                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1094                 if (IS_ERR(rdev)) {
1095                         dev_err(pmic->dev,
1096                                 "failed to register %s regulator\n",
1097                                 pdev_name);
1098                         return PTR_ERR(rdev);
1099                 }
1100
1101                 /* Save regulator for cleanup */
1102                 pmic->rdev[id] = rdev;
1103
1104                 /* Initialise sleep/init values from platform data */
1105                 if (pdata) {
1106                         reg_init = pdata->reg_init[id];
1107                         if (reg_init) {
1108                                 if (id < TPS65917_REG_REGEN1)
1109                                         ret = palmas_ldo_init(pmic->palmas,
1110                                                               id, reg_init);
1111                                 else
1112                                         ret = palmas_extreg_init(pmic->palmas,
1113                                                                  id, reg_init);
1114                                 if (ret)
1115                                         return ret;
1116                         }
1117                 }
1118         }
1119
1120         return 0;
1121 }
1122
1123 static int palmas_smps_registration(struct palmas_pmic *pmic,
1124                                     struct palmas_pmic_driver_data *ddata,
1125                                     struct palmas_pmic_platform_data *pdata,
1126                                     const char *pdev_name,
1127                                     struct regulator_config config)
1128 {
1129         int id, ret;
1130         unsigned int addr, reg;
1131         struct regulator_dev *rdev;
1132         struct palmas_reg_init *reg_init;
1133         struct palmas_regs_info *rinfo;
1134         struct regulator_desc *desc;
1135
1136         for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
1137                 bool ramp_delay_support = false;
1138
1139                 /*
1140                  * Miss out regulators which are not available due
1141                  * to slaving configurations.
1142                  */
1143                 switch (id) {
1144                 case PALMAS_REG_SMPS12:
1145                 case PALMAS_REG_SMPS3:
1146                         if (pmic->smps123)
1147                                 continue;
1148                         if (id == PALMAS_REG_SMPS12)
1149                                 ramp_delay_support = true;
1150                         break;
1151                 case PALMAS_REG_SMPS123:
1152                         if (!pmic->smps123)
1153                                 continue;
1154                         ramp_delay_support = true;
1155                         break;
1156                 case PALMAS_REG_SMPS45:
1157                 case PALMAS_REG_SMPS7:
1158                         if (pmic->smps457)
1159                                 continue;
1160                         if (id == PALMAS_REG_SMPS45)
1161                                 ramp_delay_support = true;
1162                         break;
1163                 case PALMAS_REG_SMPS457:
1164                         if (!pmic->smps457)
1165                                 continue;
1166                         ramp_delay_support = true;
1167                         break;
1168                 case PALMAS_REG_SMPS10_OUT1:
1169                 case PALMAS_REG_SMPS10_OUT2:
1170                         if (!PALMAS_PMIC_HAS(pmic->palmas, SMPS10_BOOST))
1171                                 continue;
1172                 }
1173                 rinfo = &ddata->palmas_regs_info[id];
1174                 desc = &pmic->desc[id];
1175
1176                 if ((id == PALMAS_REG_SMPS6) || (id == PALMAS_REG_SMPS8))
1177                         ramp_delay_support = true;
1178
1179                 if (ramp_delay_support) {
1180                         addr = rinfo->tstep_addr;
1181                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1182                         if (ret < 0) {
1183                                 dev_err(pmic->dev,
1184                                         "reading TSTEP reg failed: %d\n", ret);
1185                                 return ret;
1186                         }
1187                         desc->ramp_delay = palmas_smps_ramp_delay[reg & 0x3];
1188                         pmic->ramp_delay[id] = desc->ramp_delay;
1189                 }
1190
1191                 /* Initialise sleep/init values from platform data */
1192                 if (pdata && pdata->reg_init[id]) {
1193                         reg_init = pdata->reg_init[id];
1194                         ret = palmas_smps_init(pmic->palmas, id, reg_init);
1195                         if (ret)
1196                                 return ret;
1197                 } else {
1198                         reg_init = NULL;
1199                 }
1200
1201                 /* Register the regulators */
1202                 desc->name = rinfo->name;
1203                 desc->id = id;
1204
1205                 switch (id) {
1206                 case PALMAS_REG_SMPS10_OUT1:
1207                 case PALMAS_REG_SMPS10_OUT2:
1208                         desc->n_voltages = PALMAS_SMPS10_NUM_VOLTAGES;
1209                         desc->ops = &palmas_ops_smps10;
1210                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1211                                                             PALMAS_SMPS10_CTRL);
1212                         desc->vsel_mask = SMPS10_VSEL;
1213                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1214                                                             PALMAS_SMPS10_CTRL);
1215                         if (id == PALMAS_REG_SMPS10_OUT1)
1216                                 desc->enable_mask = SMPS10_SWITCH_EN;
1217                         else
1218                                 desc->enable_mask = SMPS10_BOOST_EN;
1219                         desc->bypass_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1220                                                             PALMAS_SMPS10_CTRL);
1221                         desc->bypass_val_on = SMPS10_BYPASS_EN;
1222                         desc->bypass_mask = SMPS10_BYPASS_EN;
1223                         desc->min_uV = 3750000;
1224                         desc->uV_step = 1250000;
1225                         break;
1226                 default:
1227                         /*
1228                          * Read and store the RANGE bit for later use
1229                          * This must be done before regulator is probed,
1230                          * otherwise we error in probe with unsupportable
1231                          * ranges. Read the current smps mode for later use.
1232                          */
1233                         addr = rinfo->vsel_addr;
1234                         desc->n_linear_ranges = 3;
1235
1236                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1237                         if (ret)
1238                                 return ret;
1239                         if (reg & PALMAS_SMPS12_VOLTAGE_RANGE)
1240                                 pmic->range[id] = 1;
1241                         if (pmic->range[id])
1242                                 desc->linear_ranges = smps_high_ranges;
1243                         else
1244                                 desc->linear_ranges = smps_low_ranges;
1245
1246                         if (reg_init && reg_init->roof_floor)
1247                                 desc->ops = &palmas_ops_ext_control_smps;
1248                         else
1249                                 desc->ops = &palmas_ops_smps;
1250                         desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
1251                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1252                                                             rinfo->vsel_addr);
1253                         desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
1254
1255                         /* Read the smps mode for later use. */
1256                         addr = rinfo->ctrl_addr;
1257                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1258                         if (ret)
1259                                 return ret;
1260                         pmic->current_reg_mode[id] = reg &
1261                                         PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1262
1263                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1264                                                               rinfo->ctrl_addr);
1265                         desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1266                         /* set_mode overrides this value */
1267                         desc->enable_val = SMPS_CTRL_MODE_ON;
1268                 }
1269
1270                 desc->type = REGULATOR_VOLTAGE;
1271                 desc->owner = THIS_MODULE;
1272
1273                 if (pdata)
1274                         config.init_data = pdata->reg_data[id];
1275                 else
1276                         config.init_data = NULL;
1277
1278                 desc->supply_name = rinfo->sname;
1279                 config.of_node = ddata->palmas_matches[id].of_node;
1280
1281                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1282                 if (IS_ERR(rdev)) {
1283                         dev_err(pmic->dev,
1284                                 "failed to register %s regulator\n",
1285                                 pdev_name);
1286                         return PTR_ERR(rdev);
1287                 }
1288
1289                 /* Save regulator for cleanup */
1290                 pmic->rdev[id] = rdev;
1291         }
1292
1293         return 0;
1294 }
1295
1296 static int tps65917_smps_registration(struct palmas_pmic *pmic,
1297                                       struct palmas_pmic_driver_data *ddata,
1298                                       struct palmas_pmic_platform_data *pdata,
1299                                       const char *pdev_name,
1300                                       struct regulator_config config)
1301 {
1302         int id, ret;
1303         unsigned int addr, reg;
1304         struct regulator_dev *rdev;
1305         struct palmas_reg_init *reg_init;
1306         struct palmas_regs_info *rinfo;
1307         struct regulator_desc *desc;
1308
1309         for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
1310                 /*
1311                  * Miss out regulators which are not available due
1312                  * to slaving configurations.
1313                  */
1314                 desc = &pmic->desc[id];
1315                 desc->n_linear_ranges = 3;
1316                 if ((id == TPS65917_REG_SMPS2 || id == TPS65917_REG_SMPS1) &&
1317                     pmic->smps12)
1318                         continue;
1319
1320                 /* Initialise sleep/init values from platform data */
1321                 if (pdata && pdata->reg_init[id]) {
1322                         reg_init = pdata->reg_init[id];
1323                         ret = palmas_smps_init(pmic->palmas, id, reg_init);
1324                         if (ret)
1325                                 return ret;
1326                 } else {
1327                         reg_init = NULL;
1328                 }
1329                 rinfo = &ddata->palmas_regs_info[id];
1330
1331                 /* Register the regulators */
1332                 desc->name = rinfo->name;
1333                 desc->id = id;
1334
1335                 /*
1336                  * Read and store the RANGE bit for later use
1337                  * This must be done before regulator is probed,
1338                  * otherwise we error in probe with unsupportable
1339                  * ranges. Read the current smps mode for later use.
1340                  */
1341                 addr = rinfo->vsel_addr;
1342
1343                 ret = palmas_smps_read(pmic->palmas, addr, &reg);
1344                 if (ret)
1345                         return ret;
1346                 if (reg & TPS65917_SMPS1_VOLTAGE_RANGE)
1347                         pmic->range[id] = 1;
1348
1349                 if (pmic->range[id])
1350                         desc->linear_ranges = smps_high_ranges;
1351                 else
1352                         desc->linear_ranges = smps_low_ranges;
1353
1354                 if (reg_init && reg_init->roof_floor)
1355                         desc->ops = &tps65917_ops_ext_control_smps;
1356                 else
1357                         desc->ops = &tps65917_ops_smps;
1358                 desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
1359                 desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1360                                                     rinfo->vsel_addr);
1361                 desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
1362                 desc->ramp_delay = 2500;
1363
1364                 /* Read the smps mode for later use. */
1365                 addr = rinfo->ctrl_addr;
1366                 ret = palmas_smps_read(pmic->palmas, addr, &reg);
1367                 if (ret)
1368                         return ret;
1369                 pmic->current_reg_mode[id] = reg &
1370                                 PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1371                 desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1372                                                       rinfo->ctrl_addr);
1373                 desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1374                 /* set_mode overrides this value */
1375                 desc->enable_val = SMPS_CTRL_MODE_ON;
1376
1377                 desc->type = REGULATOR_VOLTAGE;
1378                 desc->owner = THIS_MODULE;
1379
1380                 if (pdata)
1381                         config.init_data = pdata->reg_data[id];
1382                 else
1383                         config.init_data = NULL;
1384
1385                 desc->supply_name = rinfo->sname;
1386                 config.of_node = ddata->palmas_matches[id].of_node;
1387
1388                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1389                 if (IS_ERR(rdev)) {
1390                         dev_err(pmic->dev,
1391                                 "failed to register %s regulator\n",
1392                                 pdev_name);
1393                         return PTR_ERR(rdev);
1394                 }
1395
1396                 /* Save regulator for cleanup */
1397                 pmic->rdev[id] = rdev;
1398         }
1399
1400         return 0;
1401 }
1402
1403 static struct of_regulator_match palmas_matches[] = {
1404         { .name = "smps12", },
1405         { .name = "smps123", },
1406         { .name = "smps3", },
1407         { .name = "smps45", },
1408         { .name = "smps457", },
1409         { .name = "smps6", },
1410         { .name = "smps7", },
1411         { .name = "smps8", },
1412         { .name = "smps9", },
1413         { .name = "smps10_out2", },
1414         { .name = "smps10_out1", },
1415         { .name = "ldo1", },
1416         { .name = "ldo2", },
1417         { .name = "ldo3", },
1418         { .name = "ldo4", },
1419         { .name = "ldo5", },
1420         { .name = "ldo6", },
1421         { .name = "ldo7", },
1422         { .name = "ldo8", },
1423         { .name = "ldo9", },
1424         { .name = "ldoln", },
1425         { .name = "ldousb", },
1426         { .name = "regen1", },
1427         { .name = "regen2", },
1428         { .name = "regen3", },
1429         { .name = "sysen1", },
1430         { .name = "sysen2", },
1431 };
1432
1433 static struct of_regulator_match tps65917_matches[] = {
1434         { .name = "smps1", },
1435         { .name = "smps2", },
1436         { .name = "smps3", },
1437         { .name = "smps4", },
1438         { .name = "smps5", },
1439         { .name = "smps12",},
1440         { .name = "ldo1", },
1441         { .name = "ldo2", },
1442         { .name = "ldo3", },
1443         { .name = "ldo4", },
1444         { .name = "ldo5", },
1445         { .name = "regen1", },
1446         { .name = "regen2", },
1447         { .name = "regen3", },
1448         { .name = "sysen1", },
1449         { .name = "sysen2", },
1450 };
1451
1452 static struct palmas_pmic_driver_data palmas_ddata = {
1453         .smps_start = PALMAS_REG_SMPS12,
1454         .smps_end = PALMAS_REG_SMPS10_OUT1,
1455         .ldo_begin = PALMAS_REG_LDO1,
1456         .ldo_end = PALMAS_REG_LDOUSB,
1457         .max_reg = PALMAS_NUM_REGS,
1458         .has_regen3 = true,
1459         .palmas_regs_info = palmas_generic_regs_info,
1460         .palmas_matches = palmas_matches,
1461         .sleep_req_info = palma_sleep_req_info,
1462         .smps_register = palmas_smps_registration,
1463         .ldo_register = palmas_ldo_registration,
1464 };
1465
1466 static struct palmas_pmic_driver_data tps65917_ddata = {
1467         .smps_start = TPS65917_REG_SMPS1,
1468         .smps_end = TPS65917_REG_SMPS12,
1469         .ldo_begin = TPS65917_REG_LDO1,
1470         .ldo_end = TPS65917_REG_LDO5,
1471         .max_reg = TPS65917_NUM_REGS,
1472         .has_regen3 = true,
1473         .palmas_regs_info = tps65917_regs_info,
1474         .palmas_matches = tps65917_matches,
1475         .sleep_req_info = tps65917_sleep_req_info,
1476         .smps_register = tps65917_smps_registration,
1477         .ldo_register = tps65917_ldo_registration,
1478 };
1479
1480 static int palmas_dt_to_pdata(struct device *dev,
1481                               struct device_node *node,
1482                               struct palmas_pmic_platform_data *pdata,
1483                               struct palmas_pmic_driver_data *ddata)
1484 {
1485         struct device_node *regulators;
1486         u32 prop;
1487         int idx, ret;
1488
1489         regulators = of_get_child_by_name(node, "regulators");
1490         if (!regulators) {
1491                 dev_info(dev, "regulator node not found\n");
1492                 return 0;
1493         }
1494
1495         ret = of_regulator_match(dev, regulators, ddata->palmas_matches,
1496                                  ddata->max_reg);
1497         of_node_put(regulators);
1498         if (ret < 0) {
1499                 dev_err(dev, "Error parsing regulator init data: %d\n", ret);
1500                 return 0;
1501         }
1502
1503         for (idx = 0; idx < ddata->max_reg; idx++) {
1504                 struct of_regulator_match *match;
1505                 struct palmas_reg_init *rinit;
1506                 struct device_node *np;
1507
1508                 match = &ddata->palmas_matches[idx];
1509                 np = match->of_node;
1510
1511                 if (!match->init_data || !np)
1512                         continue;
1513
1514                 rinit = devm_kzalloc(dev, sizeof(*rinit), GFP_KERNEL);
1515                 if (!rinit)
1516                         return -ENOMEM;
1517
1518                 pdata->reg_data[idx] = match->init_data;
1519                 pdata->reg_init[idx] = rinit;
1520
1521                 rinit->warm_reset = of_property_read_bool(np, "ti,warm-reset");
1522                 ret = of_property_read_u32(np, "ti,roof-floor", &prop);
1523                 /* EINVAL: Property not found */
1524                 if (ret != -EINVAL) {
1525                         int econtrol;
1526
1527                         /* use default value, when no value is specified */
1528                         econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1529                         if (!ret) {
1530                                 switch (prop) {
1531                                 case 1:
1532                                         econtrol = PALMAS_EXT_CONTROL_ENABLE1;
1533                                         break;
1534                                 case 2:
1535                                         econtrol = PALMAS_EXT_CONTROL_ENABLE2;
1536                                         break;
1537                                 case 3:
1538                                         econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1539                                         break;
1540                                 default:
1541                                         WARN_ON(1);
1542                                         dev_warn(dev,
1543                                                  "%s: Invalid roof-floor option: %u\n",
1544                                                  match->name, prop);
1545                                         break;
1546                                 }
1547                         }
1548                         rinit->roof_floor = econtrol;
1549                 }
1550
1551                 ret = of_property_read_u32(np, "ti,mode-sleep", &prop);
1552                 if (!ret)
1553                         rinit->mode_sleep = prop;
1554
1555                 ret = of_property_read_bool(np, "ti,smps-range");
1556                 if (ret)
1557                         rinit->vsel = PALMAS_SMPS12_VOLTAGE_RANGE;
1558
1559                 if (idx == PALMAS_REG_LDO8)
1560                         pdata->enable_ldo8_tracking = of_property_read_bool(
1561                                                 np, "ti,enable-ldo8-tracking");
1562         }
1563
1564         pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator");
1565
1566         return 0;
1567 }
1568
1569 static const struct of_device_id of_palmas_match_tbl[] = {
1570         {
1571                 .compatible = "ti,palmas-pmic",
1572                 .data = &palmas_ddata,
1573         },
1574         {
1575                 .compatible = "ti,twl6035-pmic",
1576                 .data = &palmas_ddata,
1577         },
1578         {
1579                 .compatible = "ti,twl6036-pmic",
1580                 .data = &palmas_ddata,
1581         },
1582         {
1583                 .compatible = "ti,twl6037-pmic",
1584                 .data = &palmas_ddata,
1585         },
1586         {
1587                 .compatible = "ti,tps65913-pmic",
1588                 .data = &palmas_ddata,
1589         },
1590         {
1591                 .compatible = "ti,tps65914-pmic",
1592                 .data = &palmas_ddata,
1593         },
1594         {
1595                 .compatible = "ti,tps80036-pmic",
1596                 .data = &palmas_ddata,
1597         },
1598         {
1599                 .compatible = "ti,tps659038-pmic",
1600                 .data = &palmas_ddata,
1601         },
1602          {
1603                 .compatible = "ti,tps65917-pmic",
1604                 .data = &tps65917_ddata,
1605         },
1606         { /* end */ }
1607 };
1608
1609 static int palmas_regulators_probe(struct platform_device *pdev)
1610 {
1611         struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
1612         struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev);
1613         struct device_node *node = pdev->dev.of_node;
1614         struct palmas_pmic_driver_data *driver_data;
1615         struct regulator_config config = { };
1616         struct palmas_pmic *pmic;
1617         const char *pdev_name;
1618         const struct of_device_id *match;
1619         int ret = 0;
1620         unsigned int reg;
1621
1622         match = of_match_device(of_match_ptr(of_palmas_match_tbl), &pdev->dev);
1623
1624         if (!match)
1625                 return -ENODATA;
1626
1627         driver_data = (struct palmas_pmic_driver_data *)match->data;
1628         pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
1629         if (!pdata)
1630                 return -ENOMEM;
1631
1632         pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
1633         if (!pmic)
1634                 return -ENOMEM;
1635
1636         if (of_device_is_compatible(node, "ti,tps659038-pmic")) {
1637                 palmas_generic_regs_info[PALMAS_REG_REGEN2].ctrl_addr =
1638                                                         TPS659038_REGEN2_CTRL;
1639                 palmas_ddata.has_regen3 = false;
1640         }
1641
1642         pmic->dev = &pdev->dev;
1643         pmic->palmas = palmas;
1644         palmas->pmic = pmic;
1645         platform_set_drvdata(pdev, pmic);
1646         pmic->palmas->pmic_ddata = driver_data;
1647
1648         ret = palmas_dt_to_pdata(&pdev->dev, node, pdata, driver_data);
1649         if (ret)
1650                 return ret;
1651
1652         ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, &reg);
1653         if (ret)
1654                 return ret;
1655
1656         if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN) {
1657                 pmic->smps123 = 1;
1658                 pmic->smps12 = 1;
1659         }
1660
1661         if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN)
1662                 pmic->smps457 = 1;
1663
1664         config.regmap = palmas->regmap[REGULATOR_SLAVE];
1665         config.dev = &pdev->dev;
1666         config.driver_data = pmic;
1667         pdev_name = pdev->name;
1668
1669         ret = driver_data->smps_register(pmic, driver_data, pdata, pdev_name,
1670                                          config);
1671         if (ret)
1672                 return ret;
1673
1674         ret = driver_data->ldo_register(pmic, driver_data, pdata, pdev_name,
1675                                         config);
1676
1677         return ret;
1678 }
1679
1680 static struct platform_driver palmas_driver = {
1681         .driver = {
1682                 .name = "palmas-pmic",
1683                 .of_match_table = of_palmas_match_tbl,
1684         },
1685         .probe = palmas_regulators_probe,
1686 };
1687
1688 static int __init palmas_init(void)
1689 {
1690         return platform_driver_register(&palmas_driver);
1691 }
1692 subsys_initcall(palmas_init);
1693
1694 static void __exit palmas_exit(void)
1695 {
1696         platform_driver_unregister(&palmas_driver);
1697 }
1698 module_exit(palmas_exit);
1699
1700 MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>");
1701 MODULE_DESCRIPTION("Palmas voltage regulator driver");
1702 MODULE_LICENSE("GPL");
1703 MODULE_ALIAS("platform:palmas-pmic");
1704 MODULE_DEVICE_TABLE(of, of_palmas_match_tbl);