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 <[email protected]>
   7  * Author: Ian Lartey <[email protected]>
   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 const 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         int ret;
 447         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 448         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 449         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 450         unsigned int reg;
 451         bool rail_enable = true;
 452
 453         ret = palmas_smps_read(pmic->palmas, rinfo->ctrl_addr, &reg);
 454         if (ret)
 455                 return ret;
 456
 457         reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 458
 459         if (reg == SMPS_CTRL_MODE_OFF)
 460                 rail_enable = false;
 461
 462         switch (mode) {
 463         case REGULATOR_MODE_NORMAL:
 464                 reg |= SMPS_CTRL_MODE_ON;
 465                 break;
 466         case REGULATOR_MODE_IDLE:
 467                 reg |= SMPS_CTRL_MODE_ECO;
 468                 break;
 469         case REGULATOR_MODE_FAST:
 470                 reg |= SMPS_CTRL_MODE_PWM;
 471                 break;
 472         default:
 473                 return -EINVAL;
 474         }
 475
 476         pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 477         if (rail_enable)
 478                 palmas_smps_write(pmic->palmas, rinfo->ctrl_addr, reg);
 479
 480         /* Switch the enable value to ensure this is used for enable */
 481         pmic->desc[id].enable_val = pmic->current_reg_mode[id];
 482
 483         return 0;
 484 }
 485
 486 static unsigned int palmas_get_mode_smps(struct regulator_dev *dev)
 487 {
 488         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 489         int id = rdev_get_id(dev);
 490         unsigned int reg;
 491
 492         reg = pmic->current_reg_mode[id] & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 493
 494         switch (reg) {
 495         case SMPS_CTRL_MODE_ON:
 496                 return REGULATOR_MODE_NORMAL;
 497         case SMPS_CTRL_MODE_ECO:
 498                 return REGULATOR_MODE_IDLE;
 499         case SMPS_CTRL_MODE_PWM:
 500                 return REGULATOR_MODE_FAST;
 501         }
 502
 503         return 0;
 504 }
 505
 506 static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev,
 507                  int ramp_delay)
 508 {
 509         int id = rdev_get_id(rdev);
 510         struct palmas_pmic *pmic = rdev_get_drvdata(rdev);
 511         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 512         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 513         unsigned int reg = 0;
 514         int ret;
 515
 516         /* SMPS3 and SMPS7 do not have tstep_addr setting */
 517         switch (id) {
 518         case PALMAS_REG_SMPS3:
 519         case PALMAS_REG_SMPS7:
 520                 return 0;
 521         }
 522
 523         if (ramp_delay <= 0)
 524                 reg = 0;
 525         else if (ramp_delay <= 2500)
 526                 reg = 3;
 527         else if (ramp_delay <= 5000)
 528                 reg = 2;
 529         else
 530                 reg = 1;
 531
 532         ret = palmas_smps_write(pmic->palmas, rinfo->tstep_addr, reg);
 533         if (ret < 0) {
 534                 dev_err(pmic->palmas->dev, "TSTEP write failed: %d\n", ret);
 535                 return ret;
 536         }
 537
 538         pmic->ramp_delay[id] = palmas_smps_ramp_delay[reg];
 539         return ret;
 540 }
 541
 542 static const struct regulator_ops palmas_ops_smps = {
 543         .is_enabled             = regulator_is_enabled_regmap,
 544         .enable                 = regulator_enable_regmap,
 545         .disable                = regulator_disable_regmap,
 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 const struct regulator_ops palmas_ops_ext_control_smps = {
 557         .set_mode               = palmas_set_mode_smps,
 558         .get_mode               = palmas_get_mode_smps,
 559         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 560         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 561         .list_voltage           = regulator_list_voltage_linear_range,
 562         .map_voltage            = regulator_map_voltage_linear_range,
 563         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 564         .set_ramp_delay         = palmas_smps_set_ramp_delay,
 565 };
 566
 567 static const struct regulator_ops palmas_ops_smps10 = {
 568         .is_enabled             = regulator_is_enabled_regmap,
 569         .enable                 = regulator_enable_regmap,
 570         .disable                = regulator_disable_regmap,
 571         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 572         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 573         .list_voltage           = regulator_list_voltage_linear,
 574         .map_voltage            = regulator_map_voltage_linear,
 575         .set_bypass             = regulator_set_bypass_regmap,
 576         .get_bypass             = regulator_get_bypass_regmap,
 577 };
 578
 579 static const struct regulator_ops tps65917_ops_smps = {
 580         .is_enabled             = regulator_is_enabled_regmap,
 581         .enable                 = regulator_enable_regmap,
 582         .disable                = regulator_disable_regmap,
 583         .set_mode               = palmas_set_mode_smps,
 584         .get_mode               = palmas_get_mode_smps,
 585         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 586         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 587         .list_voltage           = regulator_list_voltage_linear_range,
 588         .map_voltage            = regulator_map_voltage_linear_range,
 589         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 590 };
 591
 592 static const struct regulator_ops tps65917_ops_ext_control_smps = {
 593         .set_mode               = palmas_set_mode_smps,
 594         .get_mode               = palmas_get_mode_smps,
 595         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 596         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 597         .list_voltage           = regulator_list_voltage_linear_range,
 598         .map_voltage            = regulator_map_voltage_linear_range,
 599 };
 600
 601 static int palmas_is_enabled_ldo(struct regulator_dev *dev)
 602 {
 603         int id = rdev_get_id(dev);
 604         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 605         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 606         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 607         unsigned int reg;
 608
 609         palmas_ldo_read(pmic->palmas, rinfo->ctrl_addr, &reg);
 610
 611         reg &= PALMAS_LDO1_CTRL_STATUS;
 612
 613         return !!(reg);
 614 }
 615
 616 static const struct regulator_ops palmas_ops_ldo = {
 617         .is_enabled             = palmas_is_enabled_ldo,
 618         .enable                 = regulator_enable_regmap,
 619         .disable                = regulator_disable_regmap,
 620         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 621         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 622         .list_voltage           = regulator_list_voltage_linear,
 623         .map_voltage            = regulator_map_voltage_linear,
 624 };
 625
 626 static const struct regulator_ops palmas_ops_ldo9 = {
 627         .is_enabled             = palmas_is_enabled_ldo,
 628         .enable                 = regulator_enable_regmap,
 629         .disable                = regulator_disable_regmap,
 630         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 631         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 632         .list_voltage           = regulator_list_voltage_linear,
 633         .map_voltage            = regulator_map_voltage_linear,
 634         .set_bypass             = regulator_set_bypass_regmap,
 635         .get_bypass             = regulator_get_bypass_regmap,
 636 };
 637
 638 static const struct regulator_ops palmas_ops_ext_control_ldo = {
 639         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 640         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 641         .list_voltage           = regulator_list_voltage_linear,
 642         .map_voltage            = regulator_map_voltage_linear,
 643 };
 644
 645 static const struct regulator_ops palmas_ops_extreg = {
 646         .is_enabled             = regulator_is_enabled_regmap,
 647         .enable                 = regulator_enable_regmap,
 648         .disable                = regulator_disable_regmap,
 649 };
 650
 651 static const struct regulator_ops palmas_ops_ext_control_extreg = {
 652 };
 653
 654 static const struct regulator_ops tps65917_ops_ldo = {
 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 };
 664
 665 static const struct regulator_ops tps65917_ops_ldo_1_2 = {
 666         .is_enabled             = palmas_is_enabled_ldo,
 667         .enable                 = regulator_enable_regmap,
 668         .disable                = regulator_disable_regmap,
 669         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 670         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 671         .list_voltage           = regulator_list_voltage_linear,
 672         .map_voltage            = regulator_map_voltage_linear,
 673         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 674         .set_bypass             = regulator_set_bypass_regmap,
 675         .get_bypass             = regulator_get_bypass_regmap,
 676 };
 677
 678 static int palmas_regulator_config_external(struct palmas *palmas, int id,
 679                 struct palmas_reg_init *reg_init)
 680 {
 681         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 682         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 683         int ret;
 684
 685         ret = palmas_ext_control_req_config(palmas, rinfo->sleep_id,
 686                                             reg_init->roof_floor, true);
 687         if (ret < 0)
 688                 dev_err(palmas->dev,
 689                         "Ext control config for regulator %d failed %d\n",
 690                         id, ret);
 691         return ret;
 692 }
 693
 694 /*
 695  * setup the hardware based sleep configuration of the SMPS/LDO regulators
 696  * from the platform data. This is different to the software based control
 697  * supported by the regulator framework as it is controlled by toggling
 698  * pins on the PMIC such as PREQ, SYSEN, ...
 699  */
 700 static int palmas_smps_init(struct palmas *palmas, int id,
 701                 struct palmas_reg_init *reg_init)
 702 {
 703         unsigned int reg;
 704         int ret;
 705         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 706         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 707         unsigned int addr = rinfo->ctrl_addr;
 708
 709         ret = palmas_smps_read(palmas, addr, &reg);
 710         if (ret)
 711                 return ret;
 712
 713         switch (id) {
 714         case PALMAS_REG_SMPS10_OUT1:
 715         case PALMAS_REG_SMPS10_OUT2:
 716                 reg &= ~PALMAS_SMPS10_CTRL_MODE_SLEEP_MASK;
 717                 if (reg_init->mode_sleep)
 718                         reg |= reg_init->mode_sleep <<
 719                                         PALMAS_SMPS10_CTRL_MODE_SLEEP_SHIFT;
 720                 break;
 721         default:
 722                 if (reg_init->warm_reset)
 723                         reg |= PALMAS_SMPS12_CTRL_WR_S;
 724                 else
 725                         reg &= ~PALMAS_SMPS12_CTRL_WR_S;
 726
 727                 if (reg_init->roof_floor)
 728                         reg |= PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
 729                 else
 730                         reg &= ~PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
 731
 732                 reg &= ~PALMAS_SMPS12_CTRL_MODE_SLEEP_MASK;
 733                 if (reg_init->mode_sleep)
 734                         reg |= reg_init->mode_sleep <<
 735                                         PALMAS_SMPS12_CTRL_MODE_SLEEP_SHIFT;
 736         }
 737
 738         ret = palmas_smps_write(palmas, addr, reg);
 739         if (ret)
 740                 return ret;
 741
 742         if (rinfo->vsel_addr && reg_init->vsel) {
 743
 744                 reg = reg_init->vsel;
 745
 746                 ret = palmas_smps_write(palmas, rinfo->vsel_addr, reg);
 747                 if (ret)
 748                         return ret;
 749         }
 750
 751         if (reg_init->roof_floor && (id != PALMAS_REG_SMPS10_OUT1) &&
 752                         (id != PALMAS_REG_SMPS10_OUT2)) {
 753                 /* Enable externally controlled regulator */
 754                 ret = palmas_smps_read(palmas, addr, &reg);
 755                 if (ret < 0)
 756                         return ret;
 757
 758                 if (!(reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK)) {
 759                         reg |= SMPS_CTRL_MODE_ON;
 760                         ret = palmas_smps_write(palmas, addr, reg);
 761                         if (ret < 0)
 762                                 return ret;
 763                 }
 764                 return palmas_regulator_config_external(palmas, id, reg_init);
 765         }
 766         return 0;
 767 }
 768
 769 static int palmas_ldo_init(struct palmas *palmas, int id,
 770                 struct palmas_reg_init *reg_init)
 771 {
 772         unsigned int reg;
 773         unsigned int addr;
 774         int ret;
 775         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 776         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 777
 778         addr = rinfo->ctrl_addr;
 779
 780         ret = palmas_ldo_read(palmas, addr, &reg);
 781         if (ret)
 782                 return ret;
 783
 784         if (reg_init->warm_reset)
 785                 reg |= PALMAS_LDO1_CTRL_WR_S;
 786         else
 787                 reg &= ~PALMAS_LDO1_CTRL_WR_S;
 788
 789         if (reg_init->mode_sleep)
 790                 reg |= PALMAS_LDO1_CTRL_MODE_SLEEP;
 791         else
 792                 reg &= ~PALMAS_LDO1_CTRL_MODE_SLEEP;
 793
 794         ret = palmas_ldo_write(palmas, addr, reg);
 795         if (ret)
 796                 return ret;
 797
 798         if (reg_init->roof_floor) {
 799                 /* Enable externally controlled regulator */
 800                 ret = palmas_update_bits(palmas, PALMAS_LDO_BASE,
 801                                 addr, PALMAS_LDO1_CTRL_MODE_ACTIVE,
 802                                 PALMAS_LDO1_CTRL_MODE_ACTIVE);
 803                 if (ret < 0) {
 804                         dev_err(palmas->dev,
 805                                 "LDO Register 0x%02x update failed %d\n",
 806                                 addr, ret);
 807                         return ret;
 808                 }
 809                 return palmas_regulator_config_external(palmas, id, reg_init);
 810         }
 811         return 0;
 812 }
 813
 814 static int palmas_extreg_init(struct palmas *palmas, int id,
 815                 struct palmas_reg_init *reg_init)
 816 {
 817         unsigned int addr;
 818         int ret;
 819         unsigned int val = 0;
 820         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 821         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 822
 823         addr = rinfo->ctrl_addr;
 824
 825         if (reg_init->mode_sleep)
 826                 val = PALMAS_REGEN1_CTRL_MODE_SLEEP;
 827
 828         ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
 829                         addr, PALMAS_REGEN1_CTRL_MODE_SLEEP, val);
 830         if (ret < 0) {
 831                 dev_err(palmas->dev, "Resource reg 0x%02x update failed %d\n",
 832                         addr, ret);
 833                 return ret;
 834         }
 835
 836         if (reg_init->roof_floor) {
 837                 /* Enable externally controlled regulator */
 838                 ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
 839                                 addr, PALMAS_REGEN1_CTRL_MODE_ACTIVE,
 840                                 PALMAS_REGEN1_CTRL_MODE_ACTIVE);
 841                 if (ret < 0) {
 842                         dev_err(palmas->dev,
 843                                 "Resource Register 0x%02x update failed %d\n",
 844                                 addr, ret);
 845                         return ret;
 846                 }
 847                 return palmas_regulator_config_external(palmas, id, reg_init);
 848         }
 849         return 0;
 850 }
 851
 852 static void palmas_enable_ldo8_track(struct palmas *palmas)
 853 {
 854         unsigned int reg;
 855         unsigned int addr;
 856         int ret;
 857         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 858         struct palmas_regs_info *rinfo;
 859
 860         rinfo = &ddata->palmas_regs_info[PALMAS_REG_LDO8];
 861         addr = rinfo->ctrl_addr;
 862
 863         ret = palmas_ldo_read(palmas, addr, &reg);
 864         if (ret) {
 865                 dev_err(palmas->dev, "Error in reading ldo8 control reg\n");
 866                 return;
 867         }
 868
 869         reg |= PALMAS_LDO8_CTRL_LDO_TRACKING_EN;
 870         ret = palmas_ldo_write(palmas, addr, reg);
 871         if (ret < 0) {
 872                 dev_err(palmas->dev, "Error in enabling tracking mode\n");
 873                 return;
 874         }
 875         /*
 876          * When SMPS45 is set to off and LDO8 tracking is enabled, the LDO8
 877          * output is defined by the LDO8_VOLTAGE.VSEL register divided by two,
 878          * and can be set from 0.45 to 1.65 V.
 879          */
 880         addr = rinfo->vsel_addr;
 881         ret = palmas_ldo_read(palmas, addr, &reg);
 882         if (ret) {
 883                 dev_err(palmas->dev, "Error in reading ldo8 voltage reg\n");
 884                 return;
 885         }
 886
 887         reg = (reg << 1) & PALMAS_LDO8_VOLTAGE_VSEL_MASK;
 888         ret = palmas_ldo_write(palmas, addr, reg);
 889         if (ret < 0)
 890                 dev_err(palmas->dev, "Error in setting ldo8 voltage reg\n");
 891
 892         return;
 893 }
 894
 895 static int palmas_ldo_registration(struct palmas_pmic *pmic,
 896                                    struct palmas_pmic_driver_data *ddata,
 897                                    struct palmas_pmic_platform_data *pdata,
 898                                    const char *pdev_name,
 899                                    struct regulator_config config)
 900 {
 901         int id, ret;
 902         struct regulator_dev *rdev;
 903         struct palmas_reg_init *reg_init;
 904         struct palmas_regs_info *rinfo;
 905         struct regulator_desc *desc;
 906
 907         for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
 908                 if (pdata && pdata->reg_init[id])
 909                         reg_init = pdata->reg_init[id];
 910                 else
 911                         reg_init = NULL;
 912
 913                 rinfo = &ddata->palmas_regs_info[id];
 914                 /* Miss out regulators which are not available due
 915                  * to alternate functions.
 916                  */
 917
 918                 /* Register the regulators */
 919                 desc = &pmic->desc[id];
 920                 desc->name = rinfo->name;
 921                 desc->id = id;
 922                 desc->type = REGULATOR_VOLTAGE;
 923                 desc->owner = THIS_MODULE;
 924
 925                 if (id < PALMAS_REG_REGEN1) {
 926                         desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES;
 927                         if (reg_init && reg_init->roof_floor)
 928                                 desc->ops = &palmas_ops_ext_control_ldo;
 929                         else
 930                                 desc->ops = &palmas_ops_ldo;
 931                         desc->min_uV = 900000;
 932                         desc->uV_step = 50000;
 933                         desc->linear_min_sel = 1;
 934                         desc->enable_time = 500;
 935                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
 936                                                             rinfo->vsel_addr);
 937                         desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
 938                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
 939                                                               rinfo->ctrl_addr);
 940                         desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
 941
 942                         /* Check if LDO8 is in tracking mode or not */
 943                         if (pdata && (id == PALMAS_REG_LDO8) &&
 944                             pdata->enable_ldo8_tracking) {
 945                                 palmas_enable_ldo8_track(pmic->palmas);
 946                                 desc->min_uV = 450000;
 947                                 desc->uV_step = 25000;
 948                         }
 949
 950                         /* LOD6 in vibrator mode will have enable time 2000us */
 951                         if (pdata && pdata->ldo6_vibrator &&
 952                             (id == PALMAS_REG_LDO6))
 953                                 desc->enable_time = 2000;
 954
 955                         if (id == PALMAS_REG_LDO9) {
 956                                 desc->ops = &palmas_ops_ldo9;
 957                                 desc->bypass_reg = desc->enable_reg;
 958                                 desc->bypass_val_on =
 959                                                 PALMAS_LDO9_CTRL_LDO_BYPASS_EN;
 960                                 desc->bypass_mask =
 961                                                 PALMAS_LDO9_CTRL_LDO_BYPASS_EN;
 962                         }
 963                 } else {
 964                         if (!ddata->has_regen3 && id == PALMAS_REG_REGEN3)
 965                                 continue;
 966
 967                         desc->n_voltages = 1;
 968                         if (reg_init && reg_init->roof_floor)
 969                                 desc->ops = &palmas_ops_ext_control_extreg;
 970                         else
 971                                 desc->ops = &palmas_ops_extreg;
 972                         desc->enable_reg =
 973                                         PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
 974                                                            rinfo->ctrl_addr);
 975                         desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
 976                 }
 977
 978                 if (pdata)
 979                         config.init_data = pdata->reg_data[id];
 980                 else
 981                         config.init_data = NULL;
 982
 983                 desc->supply_name = rinfo->sname;
 984                 config.of_node = ddata->palmas_matches[id].of_node;
 985
 986                 rdev = devm_regulator_register(pmic->dev, desc, &config);
 987                 if (IS_ERR(rdev)) {
 988                         dev_err(pmic->dev,
 989                                 "failed to register %s regulator\n",
 990                                 pdev_name);
 991                         return PTR_ERR(rdev);
 992                 }
 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                 /* Initialise sleep/init values from platform data */
1102                 if (pdata) {
1103                         reg_init = pdata->reg_init[id];
1104                         if (reg_init) {
1105                                 if (id < TPS65917_REG_REGEN1)
1106                                         ret = palmas_ldo_init(pmic->palmas,
1107                                                               id, reg_init);
1108                                 else
1109                                         ret = palmas_extreg_init(pmic->palmas,
1110                                                                  id, reg_init);
1111                                 if (ret)
1112                                         return ret;
1113                         }
1114                 }
1115         }
1116
1117         return 0;
1118 }
1119
1120 static int palmas_smps_registration(struct palmas_pmic *pmic,
1121                                     struct palmas_pmic_driver_data *ddata,
1122                                     struct palmas_pmic_platform_data *pdata,
1123                                     const char *pdev_name,
1124                                     struct regulator_config config)
1125 {
1126         int id, ret;
1127         unsigned int addr, reg;
1128         struct regulator_dev *rdev;
1129         struct palmas_reg_init *reg_init;
1130         struct palmas_regs_info *rinfo;
1131         struct regulator_desc *desc;
1132
1133         for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
1134                 bool ramp_delay_support = false;
1135
1136                 /*
1137                  * Miss out regulators which are not available due
1138                  * to slaving configurations.
1139                  */
1140                 switch (id) {
1141                 case PALMAS_REG_SMPS12:
1142                 case PALMAS_REG_SMPS3:
1143                         if (pmic->smps123)
1144                                 continue;
1145                         if (id == PALMAS_REG_SMPS12)
1146                                 ramp_delay_support = true;
1147                         break;
1148                 case PALMAS_REG_SMPS123:
1149                         if (!pmic->smps123)
1150                                 continue;
1151                         ramp_delay_support = true;
1152                         break;
1153                 case PALMAS_REG_SMPS45:
1154                 case PALMAS_REG_SMPS7:
1155                         if (pmic->smps457)
1156                                 continue;
1157                         if (id == PALMAS_REG_SMPS45)
1158                                 ramp_delay_support = true;
1159                         break;
1160                 case PALMAS_REG_SMPS457:
1161                         if (!pmic->smps457)
1162                                 continue;
1163                         ramp_delay_support = true;
1164                         break;
1165                 case PALMAS_REG_SMPS10_OUT1:
1166                 case PALMAS_REG_SMPS10_OUT2:
1167                         if (!PALMAS_PMIC_HAS(pmic->palmas, SMPS10_BOOST))
1168                                 continue;
1169                 }
1170                 rinfo = &ddata->palmas_regs_info[id];
1171                 desc = &pmic->desc[id];
1172
1173                 if ((id == PALMAS_REG_SMPS6) || (id == PALMAS_REG_SMPS8))
1174                         ramp_delay_support = true;
1175
1176                 if (ramp_delay_support) {
1177                         addr = rinfo->tstep_addr;
1178                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1179                         if (ret < 0) {
1180                                 dev_err(pmic->dev,
1181                                         "reading TSTEP reg failed: %d\n", ret);
1182                                 return ret;
1183                         }
1184                         desc->ramp_delay = palmas_smps_ramp_delay[reg & 0x3];
1185                         pmic->ramp_delay[id] = desc->ramp_delay;
1186                 }
1187
1188                 /* Initialise sleep/init values from platform data */
1189                 if (pdata && pdata->reg_init[id]) {
1190                         reg_init = pdata->reg_init[id];
1191                         ret = palmas_smps_init(pmic->palmas, id, reg_init);
1192                         if (ret)
1193                                 return ret;
1194                 } else {
1195                         reg_init = NULL;
1196                 }
1197
1198                 /* Register the regulators */
1199                 desc->name = rinfo->name;
1200                 desc->id = id;
1201
1202                 switch (id) {
1203                 case PALMAS_REG_SMPS10_OUT1:
1204                 case PALMAS_REG_SMPS10_OUT2:
1205                         desc->n_voltages = PALMAS_SMPS10_NUM_VOLTAGES;
1206                         desc->ops = &palmas_ops_smps10;
1207                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1208                                                             PALMAS_SMPS10_CTRL);
1209                         desc->vsel_mask = SMPS10_VSEL;
1210                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1211                                                             PALMAS_SMPS10_CTRL);
1212                         if (id == PALMAS_REG_SMPS10_OUT1)
1213                                 desc->enable_mask = SMPS10_SWITCH_EN;
1214                         else
1215                                 desc->enable_mask = SMPS10_BOOST_EN;
1216                         desc->bypass_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1217                                                             PALMAS_SMPS10_CTRL);
1218                         desc->bypass_val_on = SMPS10_BYPASS_EN;
1219                         desc->bypass_mask = SMPS10_BYPASS_EN;
1220                         desc->min_uV = 3750000;
1221                         desc->uV_step = 1250000;
1222                         break;
1223                 default:
1224                         /*
1225                          * Read and store the RANGE bit for later use
1226                          * This must be done before regulator is probed,
1227                          * otherwise we error in probe with unsupportable
1228                          * ranges. Read the current smps mode for later use.
1229                          */
1230                         addr = rinfo->vsel_addr;
1231                         desc->n_linear_ranges = 3;
1232
1233                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1234                         if (ret)
1235                                 return ret;
1236                         if (reg & PALMAS_SMPS12_VOLTAGE_RANGE)
1237                                 pmic->range[id] = 1;
1238                         if (pmic->range[id])
1239                                 desc->linear_ranges = smps_high_ranges;
1240                         else
1241                                 desc->linear_ranges = smps_low_ranges;
1242
1243                         if (reg_init && reg_init->roof_floor)
1244                                 desc->ops = &palmas_ops_ext_control_smps;
1245                         else
1246                                 desc->ops = &palmas_ops_smps;
1247                         desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
1248                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1249                                                             rinfo->vsel_addr);
1250                         desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
1251
1252                         /* Read the smps mode for later use. */
1253                         addr = rinfo->ctrl_addr;
1254                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1255                         if (ret)
1256                                 return ret;
1257                         pmic->current_reg_mode[id] = reg &
1258                                         PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1259
1260                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1261                                                               rinfo->ctrl_addr);
1262                         desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1263                         /* set_mode overrides this value */
1264                         desc->enable_val = SMPS_CTRL_MODE_ON;
1265                 }
1266
1267                 desc->type = REGULATOR_VOLTAGE;
1268                 desc->owner = THIS_MODULE;
1269
1270                 if (pdata)
1271                         config.init_data = pdata->reg_data[id];
1272                 else
1273                         config.init_data = NULL;
1274
1275                 desc->supply_name = rinfo->sname;
1276                 config.of_node = ddata->palmas_matches[id].of_node;
1277
1278                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1279                 if (IS_ERR(rdev)) {
1280                         dev_err(pmic->dev,
1281                                 "failed to register %s regulator\n",
1282                                 pdev_name);
1283                         return PTR_ERR(rdev);
1284                 }
1285         }
1286
1287         return 0;
1288 }
1289
1290 static int tps65917_smps_registration(struct palmas_pmic *pmic,
1291                                       struct palmas_pmic_driver_data *ddata,
1292                                       struct palmas_pmic_platform_data *pdata,
1293                                       const char *pdev_name,
1294                                       struct regulator_config config)
1295 {
1296         int id, ret;
1297         unsigned int addr, reg;
1298         struct regulator_dev *rdev;
1299         struct palmas_reg_init *reg_init;
1300         struct palmas_regs_info *rinfo;
1301         struct regulator_desc *desc;
1302
1303         for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
1304                 /*
1305                  * Miss out regulators which are not available due
1306                  * to slaving configurations.
1307                  */
1308                 desc = &pmic->desc[id];
1309                 desc->n_linear_ranges = 3;
1310                 if ((id == TPS65917_REG_SMPS2 || id == TPS65917_REG_SMPS1) &&
1311                     pmic->smps12)
1312                         continue;
1313
1314                 /* Initialise sleep/init values from platform data */
1315                 if (pdata && pdata->reg_init[id]) {
1316                         reg_init = pdata->reg_init[id];
1317                         ret = palmas_smps_init(pmic->palmas, id, reg_init);
1318                         if (ret)
1319                                 return ret;
1320                 } else {
1321                         reg_init = NULL;
1322                 }
1323                 rinfo = &ddata->palmas_regs_info[id];
1324
1325                 /* Register the regulators */
1326                 desc->name = rinfo->name;
1327                 desc->id = id;
1328
1329                 /*
1330                  * Read and store the RANGE bit for later use
1331                  * This must be done before regulator is probed,
1332                  * otherwise we error in probe with unsupportable
1333                  * ranges. Read the current smps mode for later use.
1334                  */
1335                 addr = rinfo->vsel_addr;
1336
1337                 ret = palmas_smps_read(pmic->palmas, addr, &reg);
1338                 if (ret)
1339                         return ret;
1340                 if (reg & TPS65917_SMPS1_VOLTAGE_RANGE)
1341                         pmic->range[id] = 1;
1342
1343                 if (pmic->range[id])
1344                         desc->linear_ranges = smps_high_ranges;
1345                 else
1346                         desc->linear_ranges = smps_low_ranges;
1347
1348                 if (reg_init && reg_init->roof_floor)
1349                         desc->ops = &tps65917_ops_ext_control_smps;
1350                 else
1351                         desc->ops = &tps65917_ops_smps;
1352                 desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
1353                 desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1354                                                     rinfo->vsel_addr);
1355                 desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
1356                 desc->ramp_delay = 2500;
1357
1358                 /* Read the smps mode for later use. */
1359                 addr = rinfo->ctrl_addr;
1360                 ret = palmas_smps_read(pmic->palmas, addr, &reg);
1361                 if (ret)
1362                         return ret;
1363                 pmic->current_reg_mode[id] = reg &
1364                                 PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1365                 desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1366                                                       rinfo->ctrl_addr);
1367                 desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1368                 /* set_mode overrides this value */
1369                 desc->enable_val = SMPS_CTRL_MODE_ON;
1370
1371                 desc->type = REGULATOR_VOLTAGE;
1372                 desc->owner = THIS_MODULE;
1373
1374                 if (pdata)
1375                         config.init_data = pdata->reg_data[id];
1376                 else
1377                         config.init_data = NULL;
1378
1379                 desc->supply_name = rinfo->sname;
1380                 config.of_node = ddata->palmas_matches[id].of_node;
1381
1382                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1383                 if (IS_ERR(rdev)) {
1384                         dev_err(pmic->dev,
1385                                 "failed to register %s regulator\n",
1386                                 pdev_name);
1387                         return PTR_ERR(rdev);
1388                 }
1389         }
1390
1391         return 0;
1392 }
1393
1394 static struct of_regulator_match palmas_matches[] = {
1395         { .name = "smps12", },
1396         { .name = "smps123", },
1397         { .name = "smps3", },
1398         { .name = "smps45", },
1399         { .name = "smps457", },
1400         { .name = "smps6", },
1401         { .name = "smps7", },
1402         { .name = "smps8", },
1403         { .name = "smps9", },
1404         { .name = "smps10_out2", },
1405         { .name = "smps10_out1", },
1406         { .name = "ldo1", },
1407         { .name = "ldo2", },
1408         { .name = "ldo3", },
1409         { .name = "ldo4", },
1410         { .name = "ldo5", },
1411         { .name = "ldo6", },
1412         { .name = "ldo7", },
1413         { .name = "ldo8", },
1414         { .name = "ldo9", },
1415         { .name = "ldoln", },
1416         { .name = "ldousb", },
1417         { .name = "regen1", },
1418         { .name = "regen2", },
1419         { .name = "regen3", },
1420         { .name = "sysen1", },
1421         { .name = "sysen2", },
1422 };
1423
1424 static struct of_regulator_match tps65917_matches[] = {
1425         { .name = "smps1", },
1426         { .name = "smps2", },
1427         { .name = "smps3", },
1428         { .name = "smps4", },
1429         { .name = "smps5", },
1430         { .name = "smps12",},
1431         { .name = "ldo1", },
1432         { .name = "ldo2", },
1433         { .name = "ldo3", },
1434         { .name = "ldo4", },
1435         { .name = "ldo5", },
1436         { .name = "regen1", },
1437         { .name = "regen2", },
1438         { .name = "regen3", },
1439         { .name = "sysen1", },
1440         { .name = "sysen2", },
1441 };
1442
1443 static struct palmas_pmic_driver_data palmas_ddata = {
1444         .smps_start = PALMAS_REG_SMPS12,
1445         .smps_end = PALMAS_REG_SMPS10_OUT1,
1446         .ldo_begin = PALMAS_REG_LDO1,
1447         .ldo_end = PALMAS_REG_LDOUSB,
1448         .max_reg = PALMAS_NUM_REGS,
1449         .has_regen3 = true,
1450         .palmas_regs_info = palmas_generic_regs_info,
1451         .palmas_matches = palmas_matches,
1452         .sleep_req_info = palma_sleep_req_info,
1453         .smps_register = palmas_smps_registration,
1454         .ldo_register = palmas_ldo_registration,
1455 };
1456
1457 static struct palmas_pmic_driver_data tps65917_ddata = {
1458         .smps_start = TPS65917_REG_SMPS1,
1459         .smps_end = TPS65917_REG_SMPS12,
1460         .ldo_begin = TPS65917_REG_LDO1,
1461         .ldo_end = TPS65917_REG_LDO5,
1462         .max_reg = TPS65917_NUM_REGS,
1463         .has_regen3 = true,
1464         .palmas_regs_info = tps65917_regs_info,
1465         .palmas_matches = tps65917_matches,
1466         .sleep_req_info = tps65917_sleep_req_info,
1467         .smps_register = tps65917_smps_registration,
1468         .ldo_register = tps65917_ldo_registration,
1469 };
1470
1471 static int palmas_dt_to_pdata(struct device *dev,
1472                               struct device_node *node,
1473                               struct palmas_pmic_platform_data *pdata,
1474                               struct palmas_pmic_driver_data *ddata)
1475 {
1476         struct device_node *regulators;
1477         u32 prop;
1478         int idx, ret;
1479
1480         regulators = of_get_child_by_name(node, "regulators");
1481         if (!regulators) {
1482                 dev_info(dev, "regulator node not found\n");
1483                 return 0;
1484         }
1485
1486         ret = of_regulator_match(dev, regulators, ddata->palmas_matches,
1487                                  ddata->max_reg);
1488         of_node_put(regulators);
1489         if (ret < 0) {
1490                 dev_err(dev, "Error parsing regulator init data: %d\n", ret);
1491                 return 0;
1492         }
1493
1494         for (idx = 0; idx < ddata->max_reg; idx++) {
1495                 struct of_regulator_match *match;
1496                 struct palmas_reg_init *rinit;
1497                 struct device_node *np;
1498
1499                 match = &ddata->palmas_matches[idx];
1500                 np = match->of_node;
1501
1502                 if (!match->init_data || !np)
1503                         continue;
1504
1505                 rinit = devm_kzalloc(dev, sizeof(*rinit), GFP_KERNEL);
1506                 if (!rinit)
1507                         return -ENOMEM;
1508
1509                 pdata->reg_data[idx] = match->init_data;
1510                 pdata->reg_init[idx] = rinit;
1511
1512                 rinit->warm_reset = of_property_read_bool(np, "ti,warm-reset");
1513                 ret = of_property_read_u32(np, "ti,roof-floor", &prop);
1514                 /* EINVAL: Property not found */
1515                 if (ret != -EINVAL) {
1516                         int econtrol;
1517
1518                         /* use default value, when no value is specified */
1519                         econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1520                         if (!ret) {
1521                                 switch (prop) {
1522                                 case 1:
1523                                         econtrol = PALMAS_EXT_CONTROL_ENABLE1;
1524                                         break;
1525                                 case 2:
1526                                         econtrol = PALMAS_EXT_CONTROL_ENABLE2;
1527                                         break;
1528                                 case 3:
1529                                         econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1530                                         break;
1531                                 default:
1532                                         WARN_ON(1);
1533                                         dev_warn(dev,
1534                                                  "%s: Invalid roof-floor option: %u\n",
1535                                                  match->name, prop);
1536                                         break;
1537                                 }
1538                         }
1539                         rinit->roof_floor = econtrol;
1540                 }
1541
1542                 ret = of_property_read_u32(np, "ti,mode-sleep", &prop);
1543                 if (!ret)
1544                         rinit->mode_sleep = prop;
1545
1546                 ret = of_property_read_bool(np, "ti,smps-range");
1547                 if (ret)
1548                         rinit->vsel = PALMAS_SMPS12_VOLTAGE_RANGE;
1549
1550                 if (idx == PALMAS_REG_LDO8)
1551                         pdata->enable_ldo8_tracking = of_property_read_bool(
1552                                                 np, "ti,enable-ldo8-tracking");
1553         }
1554
1555         pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator");
1556
1557         return 0;
1558 }
1559
1560 static const struct of_device_id of_palmas_match_tbl[] = {
1561         {
1562                 .compatible = "ti,palmas-pmic",
1563                 .data = &palmas_ddata,
1564         },
1565         {
1566                 .compatible = "ti,twl6035-pmic",
1567                 .data = &palmas_ddata,
1568         },
1569         {
1570                 .compatible = "ti,twl6036-pmic",
1571                 .data = &palmas_ddata,
1572         },
1573         {
1574                 .compatible = "ti,twl6037-pmic",
1575                 .data = &palmas_ddata,
1576         },
1577         {
1578                 .compatible = "ti,tps65913-pmic",
1579                 .data = &palmas_ddata,
1580         },
1581         {
1582                 .compatible = "ti,tps65914-pmic",
1583                 .data = &palmas_ddata,
1584         },
1585         {
1586                 .compatible = "ti,tps80036-pmic",
1587                 .data = &palmas_ddata,
1588         },
1589         {
1590                 .compatible = "ti,tps659038-pmic",
1591                 .data = &palmas_ddata,
1592         },
1593          {
1594                 .compatible = "ti,tps65917-pmic",
1595                 .data = &tps65917_ddata,
1596         },
1597         { /* end */ }
1598 };
1599
1600 static int palmas_regulators_probe(struct platform_device *pdev)
1601 {
1602         struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
1603         struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev);
1604         struct device_node *node = pdev->dev.of_node;
1605         struct palmas_pmic_driver_data *driver_data;
1606         struct regulator_config config = { };
1607         struct palmas_pmic *pmic;
1608         const char *pdev_name;
1609         const struct of_device_id *match;
1610         int ret = 0;
1611         unsigned int reg;
1612
1613         match = of_match_device(of_match_ptr(of_palmas_match_tbl), &pdev->dev);
1614
1615         if (!match)
1616                 return -ENODATA;
1617
1618         driver_data = (struct palmas_pmic_driver_data *)match->data;
1619         pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
1620         if (!pdata)
1621                 return -ENOMEM;
1622
1623         pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
1624         if (!pmic)
1625                 return -ENOMEM;
1626
1627         if (of_device_is_compatible(node, "ti,tps659038-pmic")) {
1628                 palmas_generic_regs_info[PALMAS_REG_REGEN2].ctrl_addr =
1629                                                         TPS659038_REGEN2_CTRL;
1630                 palmas_ddata.has_regen3 = false;
1631         }
1632
1633         pmic->dev = &pdev->dev;
1634         pmic->palmas = palmas;
1635         palmas->pmic = pmic;
1636         platform_set_drvdata(pdev, pmic);
1637         pmic->palmas->pmic_ddata = driver_data;
1638
1639         ret = palmas_dt_to_pdata(&pdev->dev, node, pdata, driver_data);
1640         if (ret)
1641                 return ret;
1642
1643         ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, &reg);
1644         if (ret)
1645                 return ret;
1646
1647         if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN) {
1648                 pmic->smps123 = 1;
1649                 pmic->smps12 = 1;
1650         }
1651
1652         if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN)
1653                 pmic->smps457 = 1;
1654
1655         config.regmap = palmas->regmap[REGULATOR_SLAVE];
1656         config.dev = &pdev->dev;
1657         config.driver_data = pmic;
1658         pdev_name = pdev->name;
1659
1660         ret = driver_data->smps_register(pmic, driver_data, pdata, pdev_name,
1661                                          config);
1662         if (ret)
1663                 return ret;
1664
1665         ret = driver_data->ldo_register(pmic, driver_data, pdata, pdev_name,
1666                                         config);
1667
1668         return ret;
1669 }
1670
1671 static struct platform_driver palmas_driver = {
1672         .driver = {
1673                 .name = "palmas-pmic",
1674                 .of_match_table = of_palmas_match_tbl,
1675         },
1676         .probe = palmas_regulators_probe,
1677 };
1678
1679 static int __init palmas_init(void)
1680 {
1681         return platform_driver_register(&palmas_driver);
1682 }
1683 subsys_initcall(palmas_init);
1684
1685 static void __exit palmas_exit(void)
1686 {
1687         platform_driver_unregister(&palmas_driver);
1688 }
1689 module_exit(palmas_exit);
1690
1691 MODULE_AUTHOR("Graeme Gregory <[email protected]>");
1692 MODULE_DESCRIPTION("Palmas voltage regulator driver");
1693 MODULE_LICENSE("GPL");
1694 MODULE_ALIAS("platform:palmas-pmic");
1695 MODULE_DEVICE_TABLE(of, of_palmas_match_tbl);