drivers/regulator/palmas-regulator.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Driver for Regulator part of Palmas PMIC Chips
   4  *
   5  * Copyright 2011-2013 Texas Instruments Inc.
   6  *
   7  * Author: Graeme Gregory <gg@slimlogic.co.uk>
   8  * Author: Ian Lartey <ian@slimlogic.co.uk>
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/module.h>
  13 #include <linux/init.h>
  14 #include <linux/err.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/regulator/driver.h>
  17 #include <linux/regulator/machine.h>
  18 #include <linux/slab.h>
  19 #include <linux/regmap.h>
  20 #include <linux/mfd/palmas.h>
  21 #include <linux/of.h>
  22 #include <linux/regulator/of_regulator.h>
  23
  24 static const struct linear_range smps_low_ranges[] = {
  25         REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
  26         REGULATOR_LINEAR_RANGE(500000, 0x1, 0x6, 0),
  27         REGULATOR_LINEAR_RANGE(510000, 0x7, 0x79, 10000),
  28         REGULATOR_LINEAR_RANGE(1650000, 0x7A, 0x7f, 0),
  29 };
  30
  31 static const struct linear_range smps_high_ranges[] = {
  32         REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
  33         REGULATOR_LINEAR_RANGE(1000000, 0x1, 0x6, 0),
  34         REGULATOR_LINEAR_RANGE(1020000, 0x7, 0x79, 20000),
  35         REGULATOR_LINEAR_RANGE(3300000, 0x7A, 0x7f, 0),
  36 };
  37
  38 static struct palmas_regs_info palmas_generic_regs_info[] = {
  39         {
  40                 .name           = "SMPS12",
  41                 .sname          = "smps1-in",
  42                 .vsel_addr      = PALMAS_SMPS12_VOLTAGE,
  43                 .ctrl_addr      = PALMAS_SMPS12_CTRL,
  44                 .tstep_addr     = PALMAS_SMPS12_TSTEP,
  45                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS12,
  46         },
  47         {
  48                 .name           = "SMPS123",
  49                 .sname          = "smps1-in",
  50                 .vsel_addr      = PALMAS_SMPS12_VOLTAGE,
  51                 .ctrl_addr      = PALMAS_SMPS12_CTRL,
  52                 .tstep_addr     = PALMAS_SMPS12_TSTEP,
  53                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS12,
  54         },
  55         {
  56                 .name           = "SMPS3",
  57                 .sname          = "smps3-in",
  58                 .vsel_addr      = PALMAS_SMPS3_VOLTAGE,
  59                 .ctrl_addr      = PALMAS_SMPS3_CTRL,
  60                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS3,
  61         },
  62         {
  63                 .name           = "SMPS45",
  64                 .sname          = "smps4-in",
  65                 .vsel_addr      = PALMAS_SMPS45_VOLTAGE,
  66                 .ctrl_addr      = PALMAS_SMPS45_CTRL,
  67                 .tstep_addr     = PALMAS_SMPS45_TSTEP,
  68                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS45,
  69         },
  70         {
  71                 .name           = "SMPS457",
  72                 .sname          = "smps4-in",
  73                 .vsel_addr      = PALMAS_SMPS45_VOLTAGE,
  74                 .ctrl_addr      = PALMAS_SMPS45_CTRL,
  75                 .tstep_addr     = PALMAS_SMPS45_TSTEP,
  76                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS45,
  77         },
  78         {
  79                 .name           = "SMPS6",
  80                 .sname          = "smps6-in",
  81                 .vsel_addr      = PALMAS_SMPS6_VOLTAGE,
  82                 .ctrl_addr      = PALMAS_SMPS6_CTRL,
  83                 .tstep_addr     = PALMAS_SMPS6_TSTEP,
  84                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS6,
  85         },
  86         {
  87                 .name           = "SMPS7",
  88                 .sname          = "smps7-in",
  89                 .vsel_addr      = PALMAS_SMPS7_VOLTAGE,
  90                 .ctrl_addr      = PALMAS_SMPS7_CTRL,
  91                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS7,
  92         },
  93         {
  94                 .name           = "SMPS8",
  95                 .sname          = "smps8-in",
  96                 .vsel_addr      = PALMAS_SMPS8_VOLTAGE,
  97                 .ctrl_addr      = PALMAS_SMPS8_CTRL,
  98                 .tstep_addr     = PALMAS_SMPS8_TSTEP,
  99                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS8,
 100         },
 101         {
 102                 .name           = "SMPS9",
 103                 .sname          = "smps9-in",
 104                 .vsel_addr      = PALMAS_SMPS9_VOLTAGE,
 105                 .ctrl_addr      = PALMAS_SMPS9_CTRL,
 106                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS9,
 107         },
 108         {
 109                 .name           = "SMPS10_OUT2",
 110                 .sname          = "smps10-in",
 111                 .ctrl_addr      = PALMAS_SMPS10_CTRL,
 112                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS10,
 113         },
 114         {
 115                 .name           = "SMPS10_OUT1",
 116                 .sname          = "smps10-out2",
 117                 .ctrl_addr      = PALMAS_SMPS10_CTRL,
 118                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SMPS10,
 119         },
 120         {
 121                 .name           = "LDO1",
 122                 .sname          = "ldo1-in",
 123                 .vsel_addr      = PALMAS_LDO1_VOLTAGE,
 124                 .ctrl_addr      = PALMAS_LDO1_CTRL,
 125                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO1,
 126         },
 127         {
 128                 .name           = "LDO2",
 129                 .sname          = "ldo2-in",
 130                 .vsel_addr      = PALMAS_LDO2_VOLTAGE,
 131                 .ctrl_addr      = PALMAS_LDO2_CTRL,
 132                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO2,
 133         },
 134         {
 135                 .name           = "LDO3",
 136                 .sname          = "ldo3-in",
 137                 .vsel_addr      = PALMAS_LDO3_VOLTAGE,
 138                 .ctrl_addr      = PALMAS_LDO3_CTRL,
 139                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO3,
 140         },
 141         {
 142                 .name           = "LDO4",
 143                 .sname          = "ldo4-in",
 144                 .vsel_addr      = PALMAS_LDO4_VOLTAGE,
 145                 .ctrl_addr      = PALMAS_LDO4_CTRL,
 146                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO4,
 147         },
 148         {
 149                 .name           = "LDO5",
 150                 .sname          = "ldo5-in",
 151                 .vsel_addr      = PALMAS_LDO5_VOLTAGE,
 152                 .ctrl_addr      = PALMAS_LDO5_CTRL,
 153                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO5,
 154         },
 155         {
 156                 .name           = "LDO6",
 157                 .sname          = "ldo6-in",
 158                 .vsel_addr      = PALMAS_LDO6_VOLTAGE,
 159                 .ctrl_addr      = PALMAS_LDO6_CTRL,
 160                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO6,
 161         },
 162         {
 163                 .name           = "LDO7",
 164                 .sname          = "ldo7-in",
 165                 .vsel_addr      = PALMAS_LDO7_VOLTAGE,
 166                 .ctrl_addr      = PALMAS_LDO7_CTRL,
 167                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO7,
 168         },
 169         {
 170                 .name           = "LDO8",
 171                 .sname          = "ldo8-in",
 172                 .vsel_addr      = PALMAS_LDO8_VOLTAGE,
 173                 .ctrl_addr      = PALMAS_LDO8_CTRL,
 174                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO8,
 175         },
 176         {
 177                 .name           = "LDO9",
 178                 .sname          = "ldo9-in",
 179                 .vsel_addr      = PALMAS_LDO9_VOLTAGE,
 180                 .ctrl_addr      = PALMAS_LDO9_CTRL,
 181                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDO9,
 182         },
 183         {
 184                 .name           = "LDOLN",
 185                 .sname          = "ldoln-in",
 186                 .vsel_addr      = PALMAS_LDOLN_VOLTAGE,
 187                 .ctrl_addr      = PALMAS_LDOLN_CTRL,
 188                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDOLN,
 189         },
 190         {
 191                 .name           = "LDOUSB",
 192                 .sname          = "ldousb-in",
 193                 .vsel_addr      = PALMAS_LDOUSB_VOLTAGE,
 194                 .ctrl_addr      = PALMAS_LDOUSB_CTRL,
 195                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_LDOUSB,
 196         },
 197         {
 198                 .name           = "REGEN1",
 199                 .ctrl_addr      = PALMAS_REGEN1_CTRL,
 200                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_REGEN1,
 201         },
 202         {
 203                 .name           = "REGEN2",
 204                 .ctrl_addr      = PALMAS_REGEN2_CTRL,
 205                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_REGEN2,
 206         },
 207         {
 208                 .name           = "REGEN3",
 209                 .ctrl_addr      = PALMAS_REGEN3_CTRL,
 210                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_REGEN3,
 211         },
 212         {
 213                 .name           = "SYSEN1",
 214                 .ctrl_addr      = PALMAS_SYSEN1_CTRL,
 215                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SYSEN1,
 216         },
 217         {
 218                 .name           = "SYSEN2",
 219                 .ctrl_addr      = PALMAS_SYSEN2_CTRL,
 220                 .sleep_id       = PALMAS_EXTERNAL_REQSTR_ID_SYSEN2,
 221         },
 222 };
 223
 224 static struct palmas_regs_info tps65917_regs_info[] = {
 225         {
 226                 .name           = "SMPS1",
 227                 .sname          = "smps1-in",
 228                 .vsel_addr      = TPS65917_SMPS1_VOLTAGE,
 229                 .ctrl_addr      = TPS65917_SMPS1_CTRL,
 230                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS1,
 231         },
 232         {
 233                 .name           = "SMPS2",
 234                 .sname          = "smps2-in",
 235                 .vsel_addr      = TPS65917_SMPS2_VOLTAGE,
 236                 .ctrl_addr      = TPS65917_SMPS2_CTRL,
 237                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS2,
 238         },
 239         {
 240                 .name           = "SMPS3",
 241                 .sname          = "smps3-in",
 242                 .vsel_addr      = TPS65917_SMPS3_VOLTAGE,
 243                 .ctrl_addr      = TPS65917_SMPS3_CTRL,
 244                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS3,
 245         },
 246         {
 247                 .name           = "SMPS4",
 248                 .sname          = "smps4-in",
 249                 .vsel_addr      = TPS65917_SMPS4_VOLTAGE,
 250                 .ctrl_addr      = TPS65917_SMPS4_CTRL,
 251                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS4,
 252         },
 253         {
 254                 .name           = "SMPS5",
 255                 .sname          = "smps5-in",
 256                 .vsel_addr      = TPS65917_SMPS5_VOLTAGE,
 257                 .ctrl_addr      = TPS65917_SMPS5_CTRL,
 258                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS5,
 259         },
 260         {
 261                 .name           = "SMPS12",
 262                 .sname          = "smps1-in",
 263                 .vsel_addr      = TPS65917_SMPS1_VOLTAGE,
 264                 .ctrl_addr      = TPS65917_SMPS1_CTRL,
 265                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_SMPS12,
 266         },
 267         {
 268                 .name           = "LDO1",
 269                 .sname          = "ldo1-in",
 270                 .vsel_addr      = TPS65917_LDO1_VOLTAGE,
 271                 .ctrl_addr      = TPS65917_LDO1_CTRL,
 272                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO1,
 273         },
 274         {
 275                 .name           = "LDO2",
 276                 .sname          = "ldo2-in",
 277                 .vsel_addr      = TPS65917_LDO2_VOLTAGE,
 278                 .ctrl_addr      = TPS65917_LDO2_CTRL,
 279                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO2,
 280         },
 281         {
 282                 .name           = "LDO3",
 283                 .sname          = "ldo3-in",
 284                 .vsel_addr      = TPS65917_LDO3_VOLTAGE,
 285                 .ctrl_addr      = TPS65917_LDO3_CTRL,
 286                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO3,
 287         },
 288         {
 289                 .name           = "LDO4",
 290                 .sname          = "ldo4-in",
 291                 .vsel_addr      = TPS65917_LDO4_VOLTAGE,
 292                 .ctrl_addr      = TPS65917_LDO4_CTRL,
 293                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO4,
 294         },
 295         {
 296                 .name           = "LDO5",
 297                 .sname          = "ldo5-in",
 298                 .vsel_addr      = TPS65917_LDO5_VOLTAGE,
 299                 .ctrl_addr      = TPS65917_LDO5_CTRL,
 300                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_LDO5,
 301         },
 302         {
 303                 .name           = "REGEN1",
 304                 .ctrl_addr      = TPS65917_REGEN1_CTRL,
 305                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_REGEN1,
 306         },
 307         {
 308                 .name           = "REGEN2",
 309                 .ctrl_addr      = TPS65917_REGEN2_CTRL,
 310                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_REGEN2,
 311         },
 312         {
 313                 .name           = "REGEN3",
 314                 .ctrl_addr      = TPS65917_REGEN3_CTRL,
 315                 .sleep_id       = TPS65917_EXTERNAL_REQSTR_ID_REGEN3,
 316         },
 317 };
 318
 319 #define EXTERNAL_REQUESTOR(_id, _offset, _pos)          \
 320         [PALMAS_EXTERNAL_REQSTR_ID_##_id] = {           \
 321                 .id = PALMAS_EXTERNAL_REQSTR_ID_##_id,  \
 322                 .reg_offset = _offset,                  \
 323                 .bit_pos = _pos,                        \
 324         }
 325
 326 static struct palmas_sleep_requestor_info palma_sleep_req_info[] = {
 327         EXTERNAL_REQUESTOR(REGEN1, 0, 0),
 328         EXTERNAL_REQUESTOR(REGEN2, 0, 1),
 329         EXTERNAL_REQUESTOR(SYSEN1, 0, 2),
 330         EXTERNAL_REQUESTOR(SYSEN2, 0, 3),
 331         EXTERNAL_REQUESTOR(CLK32KG, 0, 4),
 332         EXTERNAL_REQUESTOR(CLK32KGAUDIO, 0, 5),
 333         EXTERNAL_REQUESTOR(REGEN3, 0, 6),
 334         EXTERNAL_REQUESTOR(SMPS12, 1, 0),
 335         EXTERNAL_REQUESTOR(SMPS3, 1, 1),
 336         EXTERNAL_REQUESTOR(SMPS45, 1, 2),
 337         EXTERNAL_REQUESTOR(SMPS6, 1, 3),
 338         EXTERNAL_REQUESTOR(SMPS7, 1, 4),
 339         EXTERNAL_REQUESTOR(SMPS8, 1, 5),
 340         EXTERNAL_REQUESTOR(SMPS9, 1, 6),
 341         EXTERNAL_REQUESTOR(SMPS10, 1, 7),
 342         EXTERNAL_REQUESTOR(LDO1, 2, 0),
 343         EXTERNAL_REQUESTOR(LDO2, 2, 1),
 344         EXTERNAL_REQUESTOR(LDO3, 2, 2),
 345         EXTERNAL_REQUESTOR(LDO4, 2, 3),
 346         EXTERNAL_REQUESTOR(LDO5, 2, 4),
 347         EXTERNAL_REQUESTOR(LDO6, 2, 5),
 348         EXTERNAL_REQUESTOR(LDO7, 2, 6),
 349         EXTERNAL_REQUESTOR(LDO8, 2, 7),
 350         EXTERNAL_REQUESTOR(LDO9, 3, 0),
 351         EXTERNAL_REQUESTOR(LDOLN, 3, 1),
 352         EXTERNAL_REQUESTOR(LDOUSB, 3, 2),
 353 };
 354
 355 #define EXTERNAL_REQUESTOR_TPS65917(_id, _offset, _pos)         \
 356         [TPS65917_EXTERNAL_REQSTR_ID_##_id] = {         \
 357                 .id = TPS65917_EXTERNAL_REQSTR_ID_##_id,        \
 358                 .reg_offset = _offset,                  \
 359                 .bit_pos = _pos,                        \
 360         }
 361
 362 static struct palmas_sleep_requestor_info tps65917_sleep_req_info[] = {
 363         EXTERNAL_REQUESTOR_TPS65917(REGEN1, 0, 0),
 364         EXTERNAL_REQUESTOR_TPS65917(REGEN2, 0, 1),
 365         EXTERNAL_REQUESTOR_TPS65917(REGEN3, 0, 6),
 366         EXTERNAL_REQUESTOR_TPS65917(SMPS1, 1, 0),
 367         EXTERNAL_REQUESTOR_TPS65917(SMPS2, 1, 1),
 368         EXTERNAL_REQUESTOR_TPS65917(SMPS3, 1, 2),
 369         EXTERNAL_REQUESTOR_TPS65917(SMPS4, 1, 3),
 370         EXTERNAL_REQUESTOR_TPS65917(SMPS5, 1, 4),
 371         EXTERNAL_REQUESTOR_TPS65917(SMPS12, 1, 5),
 372         EXTERNAL_REQUESTOR_TPS65917(LDO1, 2, 0),
 373         EXTERNAL_REQUESTOR_TPS65917(LDO2, 2, 1),
 374         EXTERNAL_REQUESTOR_TPS65917(LDO3, 2, 2),
 375         EXTERNAL_REQUESTOR_TPS65917(LDO4, 2, 3),
 376         EXTERNAL_REQUESTOR_TPS65917(LDO5, 2, 4),
 377 };
 378
 379 static const unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500};
 380
 381 #define SMPS_CTRL_MODE_OFF              0x00
 382 #define SMPS_CTRL_MODE_ON               0x01
 383 #define SMPS_CTRL_MODE_ECO              0x02
 384 #define SMPS_CTRL_MODE_PWM              0x03
 385
 386 #define PALMAS_SMPS_NUM_VOLTAGES        122
 387 #define PALMAS_SMPS10_NUM_VOLTAGES      2
 388 #define PALMAS_LDO_NUM_VOLTAGES         50
 389
 390 #define SMPS10_VSEL                     (1<<3)
 391 #define SMPS10_BOOST_EN                 (1<<2)
 392 #define SMPS10_BYPASS_EN                (1<<1)
 393 #define SMPS10_SWITCH_EN                (1<<0)
 394
 395 #define REGULATOR_SLAVE                 0
 396
 397 static int palmas_smps_read(struct palmas *palmas, unsigned int reg,
 398                 unsigned int *dest)
 399 {
 400         unsigned int addr;
 401
 402         addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg);
 403
 404         return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest);
 405 }
 406
 407 static int palmas_smps_write(struct palmas *palmas, unsigned int reg,
 408                 unsigned int value)
 409 {
 410         unsigned int addr;
 411
 412         addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg);
 413
 414         return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value);
 415 }
 416
 417 static int palmas_ldo_read(struct palmas *palmas, unsigned int reg,
 418                 unsigned int *dest)
 419 {
 420         unsigned int addr;
 421
 422         addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg);
 423
 424         return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest);
 425 }
 426
 427 static int palmas_ldo_write(struct palmas *palmas, unsigned int reg,
 428                 unsigned int value)
 429 {
 430         unsigned int addr;
 431
 432         addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg);
 433
 434         return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value);
 435 }
 436
 437 static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
 438 {
 439         int id = rdev_get_id(dev);
 440         int ret;
 441         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 442         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 443         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 444         unsigned int reg;
 445         bool rail_enable = true;
 446
 447         ret = palmas_smps_read(pmic->palmas, rinfo->ctrl_addr, &reg);
 448         if (ret)
 449                 return ret;
 450
 451         reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 452
 453         if (reg == SMPS_CTRL_MODE_OFF)
 454                 rail_enable = false;
 455
 456         switch (mode) {
 457         case REGULATOR_MODE_NORMAL:
 458                 reg |= SMPS_CTRL_MODE_ON;
 459                 break;
 460         case REGULATOR_MODE_IDLE:
 461                 reg |= SMPS_CTRL_MODE_ECO;
 462                 break;
 463         case REGULATOR_MODE_FAST:
 464                 reg |= SMPS_CTRL_MODE_PWM;
 465                 break;
 466         default:
 467                 return -EINVAL;
 468         }
 469
 470         pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 471         if (rail_enable)
 472                 palmas_smps_write(pmic->palmas, rinfo->ctrl_addr, reg);
 473
 474         /* Switch the enable value to ensure this is used for enable */
 475         pmic->desc[id].enable_val = pmic->current_reg_mode[id];
 476
 477         return 0;
 478 }
 479
 480 static unsigned int palmas_get_mode_smps(struct regulator_dev *dev)
 481 {
 482         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 483         int id = rdev_get_id(dev);
 484         unsigned int reg;
 485
 486         reg = pmic->current_reg_mode[id] & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 487
 488         switch (reg) {
 489         case SMPS_CTRL_MODE_ON:
 490                 return REGULATOR_MODE_NORMAL;
 491         case SMPS_CTRL_MODE_ECO:
 492                 return REGULATOR_MODE_IDLE;
 493         case SMPS_CTRL_MODE_PWM:
 494                 return REGULATOR_MODE_FAST;
 495         }
 496
 497         return 0;
 498 }
 499
 500 static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev,
 501                  int ramp_delay)
 502 {
 503         int id = rdev_get_id(rdev);
 504         struct palmas_pmic *pmic = rdev_get_drvdata(rdev);
 505         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 506         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 507         unsigned int reg = 0;
 508         int ret;
 509
 510         /* SMPS3 and SMPS7 do not have tstep_addr setting */
 511         switch (id) {
 512         case PALMAS_REG_SMPS3:
 513         case PALMAS_REG_SMPS7:
 514                 return 0;
 515         }
 516
 517         if (ramp_delay <= 0)
 518                 reg = 0;
 519         else if (ramp_delay <= 2500)
 520                 reg = 3;
 521         else if (ramp_delay <= 5000)
 522                 reg = 2;
 523         else
 524                 reg = 1;
 525
 526         ret = palmas_smps_write(pmic->palmas, rinfo->tstep_addr, reg);
 527         if (ret < 0) {
 528                 dev_err(pmic->palmas->dev, "TSTEP write failed: %d\n", ret);
 529                 return ret;
 530         }
 531
 532         pmic->ramp_delay[id] = palmas_smps_ramp_delay[reg];
 533         return ret;
 534 }
 535
 536 static const struct regulator_ops palmas_ops_smps = {
 537         .is_enabled             = regulator_is_enabled_regmap,
 538         .enable                 = regulator_enable_regmap,
 539         .disable                = regulator_disable_regmap,
 540         .set_mode               = palmas_set_mode_smps,
 541         .get_mode               = palmas_get_mode_smps,
 542         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 543         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 544         .list_voltage           = regulator_list_voltage_linear_range,
 545         .map_voltage            = regulator_map_voltage_linear_range,
 546         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 547         .set_ramp_delay         = palmas_smps_set_ramp_delay,
 548 };
 549
 550 static const struct regulator_ops palmas_ops_ext_control_smps = {
 551         .set_mode               = palmas_set_mode_smps,
 552         .get_mode               = palmas_get_mode_smps,
 553         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 554         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 555         .list_voltage           = regulator_list_voltage_linear_range,
 556         .map_voltage            = regulator_map_voltage_linear_range,
 557         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 558         .set_ramp_delay         = palmas_smps_set_ramp_delay,
 559 };
 560
 561 static const struct regulator_ops palmas_ops_smps10 = {
 562         .is_enabled             = regulator_is_enabled_regmap,
 563         .enable                 = regulator_enable_regmap,
 564         .disable                = regulator_disable_regmap,
 565         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 566         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 567         .list_voltage           = regulator_list_voltage_linear,
 568         .map_voltage            = regulator_map_voltage_linear,
 569         .set_bypass             = regulator_set_bypass_regmap,
 570         .get_bypass             = regulator_get_bypass_regmap,
 571 };
 572
 573 static const struct regulator_ops tps65917_ops_smps = {
 574         .is_enabled             = regulator_is_enabled_regmap,
 575         .enable                 = regulator_enable_regmap,
 576         .disable                = regulator_disable_regmap,
 577         .set_mode               = palmas_set_mode_smps,
 578         .get_mode               = palmas_get_mode_smps,
 579         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 580         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 581         .list_voltage           = regulator_list_voltage_linear_range,
 582         .map_voltage            = regulator_map_voltage_linear_range,
 583         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 584 };
 585
 586 static const struct regulator_ops tps65917_ops_ext_control_smps = {
 587         .set_mode               = palmas_set_mode_smps,
 588         .get_mode               = palmas_get_mode_smps,
 589         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 590         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 591         .list_voltage           = regulator_list_voltage_linear_range,
 592         .map_voltage            = regulator_map_voltage_linear_range,
 593 };
 594
 595 static int palmas_is_enabled_ldo(struct regulator_dev *dev)
 596 {
 597         int id = rdev_get_id(dev);
 598         struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 599         struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata;
 600         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 601         unsigned int reg;
 602
 603         palmas_ldo_read(pmic->palmas, rinfo->ctrl_addr, &reg);
 604
 605         reg &= PALMAS_LDO1_CTRL_STATUS;
 606
 607         return !!(reg);
 608 }
 609
 610 static const struct regulator_ops palmas_ops_ldo = {
 611         .is_enabled             = palmas_is_enabled_ldo,
 612         .enable                 = regulator_enable_regmap,
 613         .disable                = regulator_disable_regmap,
 614         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 615         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 616         .list_voltage           = regulator_list_voltage_linear,
 617         .map_voltage            = regulator_map_voltage_linear,
 618 };
 619
 620 static const struct regulator_ops palmas_ops_ldo9 = {
 621         .is_enabled             = palmas_is_enabled_ldo,
 622         .enable                 = regulator_enable_regmap,
 623         .disable                = regulator_disable_regmap,
 624         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 625         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 626         .list_voltage           = regulator_list_voltage_linear,
 627         .map_voltage            = regulator_map_voltage_linear,
 628         .set_bypass             = regulator_set_bypass_regmap,
 629         .get_bypass             = regulator_get_bypass_regmap,
 630 };
 631
 632 static const struct regulator_ops palmas_ops_ext_control_ldo = {
 633         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 634         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 635         .list_voltage           = regulator_list_voltage_linear,
 636         .map_voltage            = regulator_map_voltage_linear,
 637 };
 638
 639 static const struct regulator_ops palmas_ops_extreg = {
 640         .is_enabled             = regulator_is_enabled_regmap,
 641         .enable                 = regulator_enable_regmap,
 642         .disable                = regulator_disable_regmap,
 643 };
 644
 645 static const struct regulator_ops palmas_ops_ext_control_extreg = {
 646 };
 647
 648 static const struct regulator_ops tps65917_ops_ldo = {
 649         .is_enabled             = palmas_is_enabled_ldo,
 650         .enable                 = regulator_enable_regmap,
 651         .disable                = regulator_disable_regmap,
 652         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 653         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 654         .list_voltage           = regulator_list_voltage_linear,
 655         .map_voltage            = regulator_map_voltage_linear,
 656         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 657 };
 658
 659 static const struct regulator_ops tps65917_ops_ldo_1_2 = {
 660         .is_enabled             = palmas_is_enabled_ldo,
 661         .enable                 = regulator_enable_regmap,
 662         .disable                = regulator_disable_regmap,
 663         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 664         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 665         .list_voltage           = regulator_list_voltage_linear,
 666         .map_voltage            = regulator_map_voltage_linear,
 667         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
 668         .set_bypass             = regulator_set_bypass_regmap,
 669         .get_bypass             = regulator_get_bypass_regmap,
 670 };
 671
 672 static int palmas_regulator_config_external(struct palmas *palmas, int id,
 673                 struct palmas_reg_init *reg_init)
 674 {
 675         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 676         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 677         int ret;
 678
 679         ret = palmas_ext_control_req_config(palmas, rinfo->sleep_id,
 680                                             reg_init->roof_floor, true);
 681         if (ret < 0)
 682                 dev_err(palmas->dev,
 683                         "Ext control config for regulator %d failed %d\n",
 684                         id, ret);
 685         return ret;
 686 }
 687
 688 /*
 689  * setup the hardware based sleep configuration of the SMPS/LDO regulators
 690  * from the platform data. This is different to the software based control
 691  * supported by the regulator framework as it is controlled by toggling
 692  * pins on the PMIC such as PREQ, SYSEN, ...
 693  */
 694 static int palmas_smps_init(struct palmas *palmas, int id,
 695                 struct palmas_reg_init *reg_init)
 696 {
 697         unsigned int reg;
 698         int ret;
 699         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 700         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 701         unsigned int addr = rinfo->ctrl_addr;
 702
 703         ret = palmas_smps_read(palmas, addr, &reg);
 704         if (ret)
 705                 return ret;
 706
 707         switch (id) {
 708         case PALMAS_REG_SMPS10_OUT1:
 709         case PALMAS_REG_SMPS10_OUT2:
 710                 reg &= ~PALMAS_SMPS10_CTRL_MODE_SLEEP_MASK;
 711                 if (reg_init->mode_sleep)
 712                         reg |= reg_init->mode_sleep <<
 713                                         PALMAS_SMPS10_CTRL_MODE_SLEEP_SHIFT;
 714                 break;
 715         default:
 716                 if (reg_init->warm_reset)
 717                         reg |= PALMAS_SMPS12_CTRL_WR_S;
 718                 else
 719                         reg &= ~PALMAS_SMPS12_CTRL_WR_S;
 720
 721                 if (reg_init->roof_floor)
 722                         reg |= PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
 723                 else
 724                         reg &= ~PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
 725
 726                 reg &= ~PALMAS_SMPS12_CTRL_MODE_SLEEP_MASK;
 727                 if (reg_init->mode_sleep)
 728                         reg |= reg_init->mode_sleep <<
 729                                         PALMAS_SMPS12_CTRL_MODE_SLEEP_SHIFT;
 730         }
 731
 732         ret = palmas_smps_write(palmas, addr, reg);
 733         if (ret)
 734                 return ret;
 735
 736         if (rinfo->vsel_addr && reg_init->vsel) {
 737
 738                 reg = reg_init->vsel;
 739
 740                 ret = palmas_smps_write(palmas, rinfo->vsel_addr, reg);
 741                 if (ret)
 742                         return ret;
 743         }
 744
 745         if (reg_init->roof_floor && (id != PALMAS_REG_SMPS10_OUT1) &&
 746                         (id != PALMAS_REG_SMPS10_OUT2)) {
 747                 /* Enable externally controlled regulator */
 748                 ret = palmas_smps_read(palmas, addr, &reg);
 749                 if (ret < 0)
 750                         return ret;
 751
 752                 if (!(reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK)) {
 753                         reg |= SMPS_CTRL_MODE_ON;
 754                         ret = palmas_smps_write(palmas, addr, reg);
 755                         if (ret < 0)
 756                                 return ret;
 757                 }
 758                 return palmas_regulator_config_external(palmas, id, reg_init);
 759         }
 760         return 0;
 761 }
 762
 763 static int palmas_ldo_init(struct palmas *palmas, int id,
 764                 struct palmas_reg_init *reg_init)
 765 {
 766         unsigned int reg;
 767         unsigned int addr;
 768         int ret;
 769         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 770         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 771
 772         addr = rinfo->ctrl_addr;
 773
 774         ret = palmas_ldo_read(palmas, addr, &reg);
 775         if (ret)
 776                 return ret;
 777
 778         if (reg_init->warm_reset)
 779                 reg |= PALMAS_LDO1_CTRL_WR_S;
 780         else
 781                 reg &= ~PALMAS_LDO1_CTRL_WR_S;
 782
 783         if (reg_init->mode_sleep)
 784                 reg |= PALMAS_LDO1_CTRL_MODE_SLEEP;
 785         else
 786                 reg &= ~PALMAS_LDO1_CTRL_MODE_SLEEP;
 787
 788         ret = palmas_ldo_write(palmas, addr, reg);
 789         if (ret)
 790                 return ret;
 791
 792         if (reg_init->roof_floor) {
 793                 /* Enable externally controlled regulator */
 794                 ret = palmas_update_bits(palmas, PALMAS_LDO_BASE,
 795                                 addr, PALMAS_LDO1_CTRL_MODE_ACTIVE,
 796                                 PALMAS_LDO1_CTRL_MODE_ACTIVE);
 797                 if (ret < 0) {
 798                         dev_err(palmas->dev,
 799                                 "LDO Register 0x%02x update failed %d\n",
 800                                 addr, ret);
 801                         return ret;
 802                 }
 803                 return palmas_regulator_config_external(palmas, id, reg_init);
 804         }
 805         return 0;
 806 }
 807
 808 static int palmas_extreg_init(struct palmas *palmas, int id,
 809                 struct palmas_reg_init *reg_init)
 810 {
 811         unsigned int addr;
 812         int ret;
 813         unsigned int val = 0;
 814         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 815         struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id];
 816
 817         addr = rinfo->ctrl_addr;
 818
 819         if (reg_init->mode_sleep)
 820                 val = PALMAS_REGEN1_CTRL_MODE_SLEEP;
 821
 822         ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
 823                         addr, PALMAS_REGEN1_CTRL_MODE_SLEEP, val);
 824         if (ret < 0) {
 825                 dev_err(palmas->dev, "Resource reg 0x%02x update failed %d\n",
 826                         addr, ret);
 827                 return ret;
 828         }
 829
 830         if (reg_init->roof_floor) {
 831                 /* Enable externally controlled regulator */
 832                 ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
 833                                 addr, PALMAS_REGEN1_CTRL_MODE_ACTIVE,
 834                                 PALMAS_REGEN1_CTRL_MODE_ACTIVE);
 835                 if (ret < 0) {
 836                         dev_err(palmas->dev,
 837                                 "Resource Register 0x%02x update failed %d\n",
 838                                 addr, ret);
 839                         return ret;
 840                 }
 841                 return palmas_regulator_config_external(palmas, id, reg_init);
 842         }
 843         return 0;
 844 }
 845
 846 static void palmas_enable_ldo8_track(struct palmas *palmas)
 847 {
 848         unsigned int reg;
 849         unsigned int addr;
 850         int ret;
 851         struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata;
 852         struct palmas_regs_info *rinfo;
 853
 854         rinfo = &ddata->palmas_regs_info[PALMAS_REG_LDO8];
 855         addr = rinfo->ctrl_addr;
 856
 857         ret = palmas_ldo_read(palmas, addr, &reg);
 858         if (ret) {
 859                 dev_err(palmas->dev, "Error in reading ldo8 control reg\n");
 860                 return;
 861         }
 862
 863         reg |= PALMAS_LDO8_CTRL_LDO_TRACKING_EN;
 864         ret = palmas_ldo_write(palmas, addr, reg);
 865         if (ret < 0) {
 866                 dev_err(palmas->dev, "Error in enabling tracking mode\n");
 867                 return;
 868         }
 869         /*
 870          * When SMPS45 is set to off and LDO8 tracking is enabled, the LDO8
 871          * output is defined by the LDO8_VOLTAGE.VSEL register divided by two,
 872          * and can be set from 0.45 to 1.65 V.
 873          */
 874         addr = rinfo->vsel_addr;
 875         ret = palmas_ldo_read(palmas, addr, &reg);
 876         if (ret) {
 877                 dev_err(palmas->dev, "Error in reading ldo8 voltage reg\n");
 878                 return;
 879         }
 880
 881         reg = (reg << 1) & PALMAS_LDO8_VOLTAGE_VSEL_MASK;
 882         ret = palmas_ldo_write(palmas, addr, reg);
 883         if (ret < 0)
 884                 dev_err(palmas->dev, "Error in setting ldo8 voltage reg\n");
 885
 886         return;
 887 }
 888
 889 static int palmas_ldo_registration(struct palmas_pmic *pmic,
 890                                    struct palmas_pmic_driver_data *ddata,
 891                                    struct palmas_pmic_platform_data *pdata,
 892                                    const char *pdev_name,
 893                                    struct regulator_config config)
 894 {
 895         int id, ret;
 896         struct regulator_dev *rdev;
 897         struct palmas_reg_init *reg_init;
 898         struct palmas_regs_info *rinfo;
 899         struct regulator_desc *desc;
 900
 901         for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
 902                 if (pdata && pdata->reg_init[id])
 903                         reg_init = pdata->reg_init[id];
 904                 else
 905                         reg_init = NULL;
 906
 907                 rinfo = &ddata->palmas_regs_info[id];
 908                 /* Miss out regulators which are not available due
 909                  * to alternate functions.
 910                  */
 911
 912                 /* Register the regulators */
 913                 desc = &pmic->desc[id];
 914                 desc->name = rinfo->name;
 915                 desc->id = id;
 916                 desc->type = REGULATOR_VOLTAGE;
 917                 desc->owner = THIS_MODULE;
 918
 919                 if (id < PALMAS_REG_REGEN1) {
 920                         desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES;
 921                         if (reg_init && reg_init->roof_floor)
 922                                 desc->ops = &palmas_ops_ext_control_ldo;
 923                         else
 924                                 desc->ops = &palmas_ops_ldo;
 925                         desc->min_uV = 900000;
 926                         desc->uV_step = 50000;
 927                         desc->linear_min_sel = 1;
 928                         desc->enable_time = 500;
 929                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
 930                                                             rinfo->vsel_addr);
 931                         desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
 932                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
 933                                                               rinfo->ctrl_addr);
 934                         desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
 935
 936                         /* Check if LDO8 is in tracking mode or not */
 937                         if (pdata && (id == PALMAS_REG_LDO8) &&
 938                             pdata->enable_ldo8_tracking) {
 939                                 palmas_enable_ldo8_track(pmic->palmas);
 940                                 desc->min_uV = 450000;
 941                                 desc->uV_step = 25000;
 942                         }
 943
 944                         /* LOD6 in vibrator mode will have enable time 2000us */
 945                         if (pdata && pdata->ldo6_vibrator &&
 946                             (id == PALMAS_REG_LDO6))
 947                                 desc->enable_time = 2000;
 948
 949                         if (id == PALMAS_REG_LDO9) {
 950                                 desc->ops = &palmas_ops_ldo9;
 951                                 desc->bypass_reg = desc->enable_reg;
 952                                 desc->bypass_val_on =
 953                                                 PALMAS_LDO9_CTRL_LDO_BYPASS_EN;
 954                                 desc->bypass_mask =
 955                                                 PALMAS_LDO9_CTRL_LDO_BYPASS_EN;
 956                         }
 957                 } else {
 958                         if (!ddata->has_regen3 && id == PALMAS_REG_REGEN3)
 959                                 continue;
 960
 961                         desc->n_voltages = 1;
 962                         if (reg_init && reg_init->roof_floor)
 963                                 desc->ops = &palmas_ops_ext_control_extreg;
 964                         else
 965                                 desc->ops = &palmas_ops_extreg;
 966                         desc->enable_reg =
 967                                         PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
 968                                                            rinfo->ctrl_addr);
 969                         desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
 970                 }
 971
 972                 if (pdata)
 973                         config.init_data = pdata->reg_data[id];
 974                 else
 975                         config.init_data = NULL;
 976
 977                 desc->supply_name = rinfo->sname;
 978                 config.of_node = ddata->palmas_matches[id].of_node;
 979
 980                 rdev = devm_regulator_register(pmic->dev, desc, &config);
 981                 if (IS_ERR(rdev)) {
 982                         dev_err(pmic->dev,
 983                                 "failed to register %s regulator\n",
 984                                 pdev_name);
 985                         return PTR_ERR(rdev);
 986                 }
 987
 988                 /* Initialise sleep/init values from platform data */
 989                 if (pdata) {
 990                         reg_init = pdata->reg_init[id];
 991                         if (reg_init) {
 992                                 if (id <= ddata->ldo_end)
 993                                         ret = palmas_ldo_init(pmic->palmas, id,
 994                                                               reg_init);
 995                                 else
 996                                         ret = palmas_extreg_init(pmic->palmas,
 997                                                                  id, reg_init);
 998                                 if (ret)
 999                                         return ret;
1000                         }
1001                 }
1002         }
1003
1004         return 0;
1005 }
1006
1007 static int tps65917_ldo_registration(struct palmas_pmic *pmic,
1008                                      struct palmas_pmic_driver_data *ddata,
1009                                      struct palmas_pmic_platform_data *pdata,
1010                                      const char *pdev_name,
1011                                      struct regulator_config config)
1012 {
1013         int id, ret;
1014         struct regulator_dev *rdev;
1015         struct palmas_reg_init *reg_init;
1016         struct palmas_regs_info *rinfo;
1017         struct regulator_desc *desc;
1018
1019         for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
1020                 if (pdata && pdata->reg_init[id])
1021                         reg_init = pdata->reg_init[id];
1022                 else
1023                         reg_init = NULL;
1024
1025                 /* Miss out regulators which are not available due
1026                  * to alternate functions.
1027                  */
1028                 rinfo = &ddata->palmas_regs_info[id];
1029
1030                 /* Register the regulators */
1031                 desc = &pmic->desc[id];
1032                 desc->name = rinfo->name;
1033                 desc->id = id;
1034                 desc->type = REGULATOR_VOLTAGE;
1035                 desc->owner = THIS_MODULE;
1036
1037                 if (id < TPS65917_REG_REGEN1) {
1038                         desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES;
1039                         if (reg_init && reg_init->roof_floor)
1040                                 desc->ops = &palmas_ops_ext_control_ldo;
1041                         else
1042                                 desc->ops = &tps65917_ops_ldo;
1043                         desc->min_uV = 900000;
1044                         desc->uV_step = 50000;
1045                         desc->linear_min_sel = 1;
1046                         desc->enable_time = 500;
1047                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
1048                                                             rinfo->vsel_addr);
1049                         desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
1050                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
1051                                                               rinfo->ctrl_addr);
1052                         desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
1053                         /*
1054                          * To be confirmed. Discussion on going with PMIC Team.
1055                          * It is of the order of ~60mV/uS.
1056                          */
1057                         desc->ramp_delay = 2500;
1058                         if (id == TPS65917_REG_LDO1 ||
1059                             id == TPS65917_REG_LDO2) {
1060                                 desc->ops = &tps65917_ops_ldo_1_2;
1061                                 desc->bypass_reg = desc->enable_reg;
1062                                 desc->bypass_val_on =
1063                                                 TPS65917_LDO1_CTRL_BYPASS_EN;
1064                                 desc->bypass_mask =
1065                                                 TPS65917_LDO1_CTRL_BYPASS_EN;
1066                         }
1067                 } else {
1068                         desc->n_voltages = 1;
1069                         if (reg_init && reg_init->roof_floor)
1070                                 desc->ops = &palmas_ops_ext_control_extreg;
1071                         else
1072                                 desc->ops = &palmas_ops_extreg;
1073                         desc->enable_reg =
1074                                         PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
1075                                                            rinfo->ctrl_addr);
1076                         desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
1077                 }
1078
1079                 if (pdata)
1080                         config.init_data = pdata->reg_data[id];
1081                 else
1082                         config.init_data = NULL;
1083
1084                 desc->supply_name = rinfo->sname;
1085                 config.of_node = ddata->palmas_matches[id].of_node;
1086
1087                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1088                 if (IS_ERR(rdev)) {
1089                         dev_err(pmic->dev,
1090                                 "failed to register %s regulator\n",
1091                                 pdev_name);
1092                         return PTR_ERR(rdev);
1093                 }
1094
1095                 /* Initialise sleep/init values from platform data */
1096                 if (pdata) {
1097                         reg_init = pdata->reg_init[id];
1098                         if (reg_init) {
1099                                 if (id < TPS65917_REG_REGEN1)
1100                                         ret = palmas_ldo_init(pmic->palmas,
1101                                                               id, reg_init);
1102                                 else
1103                                         ret = palmas_extreg_init(pmic->palmas,
1104                                                                  id, reg_init);
1105                                 if (ret)
1106                                         return ret;
1107                         }
1108                 }
1109         }
1110
1111         return 0;
1112 }
1113
1114 static int palmas_smps_registration(struct palmas_pmic *pmic,
1115                                     struct palmas_pmic_driver_data *ddata,
1116                                     struct palmas_pmic_platform_data *pdata,
1117                                     const char *pdev_name,
1118                                     struct regulator_config config)
1119 {
1120         int id, ret;
1121         unsigned int addr, reg;
1122         struct regulator_dev *rdev;
1123         struct palmas_reg_init *reg_init;
1124         struct palmas_regs_info *rinfo;
1125         struct regulator_desc *desc;
1126
1127         for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
1128                 bool ramp_delay_support = false;
1129
1130                 /*
1131                  * Miss out regulators which are not available due
1132                  * to slaving configurations.
1133                  */
1134                 switch (id) {
1135                 case PALMAS_REG_SMPS12:
1136                 case PALMAS_REG_SMPS3:
1137                         if (pmic->smps123)
1138                                 continue;
1139                         if (id == PALMAS_REG_SMPS12)
1140                                 ramp_delay_support = true;
1141                         break;
1142                 case PALMAS_REG_SMPS123:
1143                         if (!pmic->smps123)
1144                                 continue;
1145                         ramp_delay_support = true;
1146                         break;
1147                 case PALMAS_REG_SMPS45:
1148                 case PALMAS_REG_SMPS7:
1149                         if (pmic->smps457)
1150                                 continue;
1151                         if (id == PALMAS_REG_SMPS45)
1152                                 ramp_delay_support = true;
1153                         break;
1154                 case PALMAS_REG_SMPS457:
1155                         if (!pmic->smps457)
1156                                 continue;
1157                         ramp_delay_support = true;
1158                         break;
1159                 case PALMAS_REG_SMPS10_OUT1:
1160                 case PALMAS_REG_SMPS10_OUT2:
1161                         if (!PALMAS_PMIC_HAS(pmic->palmas, SMPS10_BOOST))
1162                                 continue;
1163                 }
1164                 rinfo = &ddata->palmas_regs_info[id];
1165                 desc = &pmic->desc[id];
1166
1167                 if ((id == PALMAS_REG_SMPS6) || (id == PALMAS_REG_SMPS8))
1168                         ramp_delay_support = true;
1169
1170                 if (ramp_delay_support) {
1171                         addr = rinfo->tstep_addr;
1172                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1173                         if (ret < 0) {
1174                                 dev_err(pmic->dev,
1175                                         "reading TSTEP reg failed: %d\n", ret);
1176                                 return ret;
1177                         }
1178                         desc->ramp_delay = palmas_smps_ramp_delay[reg & 0x3];
1179                         pmic->ramp_delay[id] = desc->ramp_delay;
1180                 }
1181
1182                 /* Initialise sleep/init values from platform data */
1183                 if (pdata && pdata->reg_init[id]) {
1184                         reg_init = pdata->reg_init[id];
1185                         ret = palmas_smps_init(pmic->palmas, id, reg_init);
1186                         if (ret)
1187                                 return ret;
1188                 } else {
1189                         reg_init = NULL;
1190                 }
1191
1192                 /* Register the regulators */
1193                 desc->name = rinfo->name;
1194                 desc->id = id;
1195
1196                 switch (id) {
1197                 case PALMAS_REG_SMPS10_OUT1:
1198                 case PALMAS_REG_SMPS10_OUT2:
1199                         desc->n_voltages = PALMAS_SMPS10_NUM_VOLTAGES;
1200                         desc->ops = &palmas_ops_smps10;
1201                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1202                                                             PALMAS_SMPS10_CTRL);
1203                         desc->vsel_mask = SMPS10_VSEL;
1204                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1205                                                             PALMAS_SMPS10_CTRL);
1206                         if (id == PALMAS_REG_SMPS10_OUT1)
1207                                 desc->enable_mask = SMPS10_SWITCH_EN;
1208                         else
1209                                 desc->enable_mask = SMPS10_BOOST_EN;
1210                         desc->bypass_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1211                                                             PALMAS_SMPS10_CTRL);
1212                         desc->bypass_val_on = SMPS10_BYPASS_EN;
1213                         desc->bypass_mask = SMPS10_BYPASS_EN;
1214                         desc->min_uV = 3750000;
1215                         desc->uV_step = 1250000;
1216                         break;
1217                 default:
1218                         /*
1219                          * Read and store the RANGE bit for later use
1220                          * This must be done before regulator is probed,
1221                          * otherwise we error in probe with unsupportable
1222                          * ranges. Read the current smps mode for later use.
1223                          */
1224                         addr = rinfo->vsel_addr;
1225                         desc->n_linear_ranges = 3;
1226
1227                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1228                         if (ret)
1229                                 return ret;
1230                         if (reg & PALMAS_SMPS12_VOLTAGE_RANGE)
1231                                 pmic->range[id] = 1;
1232                         if (pmic->range[id])
1233                                 desc->linear_ranges = smps_high_ranges;
1234                         else
1235                                 desc->linear_ranges = smps_low_ranges;
1236
1237                         if (reg_init && reg_init->roof_floor)
1238                                 desc->ops = &palmas_ops_ext_control_smps;
1239                         else
1240                                 desc->ops = &palmas_ops_smps;
1241                         desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
1242                         desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1243                                                             rinfo->vsel_addr);
1244                         desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
1245
1246                         /* Read the smps mode for later use. */
1247                         addr = rinfo->ctrl_addr;
1248                         ret = palmas_smps_read(pmic->palmas, addr, &reg);
1249                         if (ret)
1250                                 return ret;
1251                         pmic->current_reg_mode[id] = reg &
1252                                         PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1253
1254                         desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1255                                                               rinfo->ctrl_addr);
1256                         desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1257                         /* set_mode overrides this value */
1258                         desc->enable_val = SMPS_CTRL_MODE_ON;
1259                 }
1260
1261                 desc->type = REGULATOR_VOLTAGE;
1262                 desc->owner = THIS_MODULE;
1263
1264                 if (pdata)
1265                         config.init_data = pdata->reg_data[id];
1266                 else
1267                         config.init_data = NULL;
1268
1269                 desc->supply_name = rinfo->sname;
1270                 config.of_node = ddata->palmas_matches[id].of_node;
1271
1272                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1273                 if (IS_ERR(rdev)) {
1274                         dev_err(pmic->dev,
1275                                 "failed to register %s regulator\n",
1276                                 pdev_name);
1277                         return PTR_ERR(rdev);
1278                 }
1279         }
1280
1281         return 0;
1282 }
1283
1284 static int tps65917_smps_registration(struct palmas_pmic *pmic,
1285                                       struct palmas_pmic_driver_data *ddata,
1286                                       struct palmas_pmic_platform_data *pdata,
1287                                       const char *pdev_name,
1288                                       struct regulator_config config)
1289 {
1290         int id, ret;
1291         unsigned int addr, reg;
1292         struct regulator_dev *rdev;
1293         struct palmas_reg_init *reg_init;
1294         struct palmas_regs_info *rinfo;
1295         struct regulator_desc *desc;
1296
1297         for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
1298                 /*
1299                  * Miss out regulators which are not available due
1300                  * to slaving configurations.
1301                  */
1302                 desc = &pmic->desc[id];
1303                 desc->n_linear_ranges = 3;
1304                 if ((id == TPS65917_REG_SMPS2 || id == TPS65917_REG_SMPS1) &&
1305                     pmic->smps12)
1306                         continue;
1307
1308                 /* Initialise sleep/init values from platform data */
1309                 if (pdata && pdata->reg_init[id]) {
1310                         reg_init = pdata->reg_init[id];
1311                         ret = palmas_smps_init(pmic->palmas, id, reg_init);
1312                         if (ret)
1313                                 return ret;
1314                 } else {
1315                         reg_init = NULL;
1316                 }
1317                 rinfo = &ddata->palmas_regs_info[id];
1318
1319                 /* Register the regulators */
1320                 desc->name = rinfo->name;
1321                 desc->id = id;
1322
1323                 /*
1324                  * Read and store the RANGE bit for later use
1325                  * This must be done before regulator is probed,
1326                  * otherwise we error in probe with unsupportable
1327                  * ranges. Read the current smps mode for later use.
1328                  */
1329                 addr = rinfo->vsel_addr;
1330
1331                 ret = palmas_smps_read(pmic->palmas, addr, &reg);
1332                 if (ret)
1333                         return ret;
1334                 if (reg & TPS65917_SMPS1_VOLTAGE_RANGE)
1335                         pmic->range[id] = 1;
1336
1337                 if (pmic->range[id])
1338                         desc->linear_ranges = smps_high_ranges;
1339                 else
1340                         desc->linear_ranges = smps_low_ranges;
1341
1342                 if (reg_init && reg_init->roof_floor)
1343                         desc->ops = &tps65917_ops_ext_control_smps;
1344                 else
1345                         desc->ops = &tps65917_ops_smps;
1346                 desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
1347                 desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1348                                                     rinfo->vsel_addr);
1349                 desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
1350                 desc->ramp_delay = 2500;
1351
1352                 /* Read the smps mode for later use. */
1353                 addr = rinfo->ctrl_addr;
1354                 ret = palmas_smps_read(pmic->palmas, addr, &reg);
1355                 if (ret)
1356                         return ret;
1357                 pmic->current_reg_mode[id] = reg &
1358                                 PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1359                 desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
1360                                                       rinfo->ctrl_addr);
1361                 desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
1362                 /* set_mode overrides this value */
1363                 desc->enable_val = SMPS_CTRL_MODE_ON;
1364
1365                 desc->type = REGULATOR_VOLTAGE;
1366                 desc->owner = THIS_MODULE;
1367
1368                 if (pdata)
1369                         config.init_data = pdata->reg_data[id];
1370                 else
1371                         config.init_data = NULL;
1372
1373                 desc->supply_name = rinfo->sname;
1374                 config.of_node = ddata->palmas_matches[id].of_node;
1375
1376                 rdev = devm_regulator_register(pmic->dev, desc, &config);
1377                 if (IS_ERR(rdev)) {
1378                         dev_err(pmic->dev,
1379                                 "failed to register %s regulator\n",
1380                                 pdev_name);
1381                         return PTR_ERR(rdev);
1382                 }
1383         }
1384
1385         return 0;
1386 }
1387
1388 static struct of_regulator_match palmas_matches[] = {
1389         { .name = "smps12", },
1390         { .name = "smps123", },
1391         { .name = "smps3", },
1392         { .name = "smps45", },
1393         { .name = "smps457", },
1394         { .name = "smps6", },
1395         { .name = "smps7", },
1396         { .name = "smps8", },
1397         { .name = "smps9", },
1398         { .name = "smps10_out2", },
1399         { .name = "smps10_out1", },
1400         { .name = "ldo1", },
1401         { .name = "ldo2", },
1402         { .name = "ldo3", },
1403         { .name = "ldo4", },
1404         { .name = "ldo5", },
1405         { .name = "ldo6", },
1406         { .name = "ldo7", },
1407         { .name = "ldo8", },
1408         { .name = "ldo9", },
1409         { .name = "ldoln", },
1410         { .name = "ldousb", },
1411         { .name = "regen1", },
1412         { .name = "regen2", },
1413         { .name = "regen3", },
1414         { .name = "sysen1", },
1415         { .name = "sysen2", },
1416 };
1417
1418 static struct of_regulator_match tps65917_matches[] = {
1419         { .name = "smps1", },
1420         { .name = "smps2", },
1421         { .name = "smps3", },
1422         { .name = "smps4", },
1423         { .name = "smps5", },
1424         { .name = "smps12",},
1425         { .name = "ldo1", },
1426         { .name = "ldo2", },
1427         { .name = "ldo3", },
1428         { .name = "ldo4", },
1429         { .name = "ldo5", },
1430         { .name = "regen1", },
1431         { .name = "regen2", },
1432         { .name = "regen3", },
1433         { .name = "sysen1", },
1434         { .name = "sysen2", },
1435 };
1436
1437 static struct palmas_pmic_driver_data palmas_ddata = {
1438         .smps_start = PALMAS_REG_SMPS12,
1439         .smps_end = PALMAS_REG_SMPS10_OUT1,
1440         .ldo_begin = PALMAS_REG_LDO1,
1441         .ldo_end = PALMAS_REG_LDOUSB,
1442         .max_reg = PALMAS_NUM_REGS,
1443         .has_regen3 = true,
1444         .palmas_regs_info = palmas_generic_regs_info,
1445         .palmas_matches = palmas_matches,
1446         .sleep_req_info = palma_sleep_req_info,
1447         .smps_register = palmas_smps_registration,
1448         .ldo_register = palmas_ldo_registration,
1449 };
1450
1451 static struct palmas_pmic_driver_data tps65917_ddata = {
1452         .smps_start = TPS65917_REG_SMPS1,
1453         .smps_end = TPS65917_REG_SMPS12,
1454         .ldo_begin = TPS65917_REG_LDO1,
1455         .ldo_end = TPS65917_REG_LDO5,
1456         .max_reg = TPS65917_NUM_REGS,
1457         .has_regen3 = true,
1458         .palmas_regs_info = tps65917_regs_info,
1459         .palmas_matches = tps65917_matches,
1460         .sleep_req_info = tps65917_sleep_req_info,
1461         .smps_register = tps65917_smps_registration,
1462         .ldo_register = tps65917_ldo_registration,
1463 };
1464
1465 static int palmas_dt_to_pdata(struct device *dev,
1466                               struct device_node *node,
1467                               struct palmas_pmic_platform_data *pdata,
1468                               struct palmas_pmic_driver_data *ddata)
1469 {
1470         struct device_node *regulators;
1471         u32 prop;
1472         int idx, ret;
1473
1474         regulators = of_get_child_by_name(node, "regulators");
1475         if (!regulators) {
1476                 dev_info(dev, "regulator node not found\n");
1477                 return 0;
1478         }
1479
1480         ret = of_regulator_match(dev, regulators, ddata->palmas_matches,
1481                                  ddata->max_reg);
1482         of_node_put(regulators);
1483         if (ret < 0) {
1484                 dev_err(dev, "Error parsing regulator init data: %d\n", ret);
1485                 return 0;
1486         }
1487
1488         for (idx = 0; idx < ddata->max_reg; idx++) {
1489                 struct of_regulator_match *match;
1490                 struct palmas_reg_init *rinit;
1491                 struct device_node *np;
1492
1493                 match = &ddata->palmas_matches[idx];
1494                 np = match->of_node;
1495
1496                 if (!match->init_data || !np)
1497                         continue;
1498
1499                 rinit = devm_kzalloc(dev, sizeof(*rinit), GFP_KERNEL);
1500                 if (!rinit)
1501                         return -ENOMEM;
1502
1503                 pdata->reg_data[idx] = match->init_data;
1504                 pdata->reg_init[idx] = rinit;
1505
1506                 rinit->warm_reset = of_property_read_bool(np, "ti,warm-reset");
1507                 ret = of_property_read_u32(np, "ti,roof-floor", &prop);
1508                 /* EINVAL: Property not found */
1509                 if (ret != -EINVAL) {
1510                         int econtrol;
1511
1512                         /* use default value, when no value is specified */
1513                         econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1514                         if (!ret) {
1515                                 switch (prop) {
1516                                 case 1:
1517                                         econtrol = PALMAS_EXT_CONTROL_ENABLE1;
1518                                         break;
1519                                 case 2:
1520                                         econtrol = PALMAS_EXT_CONTROL_ENABLE2;
1521                                         break;
1522                                 case 3:
1523                                         econtrol = PALMAS_EXT_CONTROL_NSLEEP;
1524                                         break;
1525                                 default:
1526                                         WARN_ON(1);
1527                                         dev_warn(dev,
1528                                                  "%s: Invalid roof-floor option: %u\n",
1529                                                  match->name, prop);
1530                                         break;
1531                                 }
1532                         }
1533                         rinit->roof_floor = econtrol;
1534                 }
1535
1536                 ret = of_property_read_u32(np, "ti,mode-sleep", &prop);
1537                 if (!ret)
1538                         rinit->mode_sleep = prop;
1539
1540                 ret = of_property_read_bool(np, "ti,smps-range");
1541                 if (ret)
1542                         rinit->vsel = PALMAS_SMPS12_VOLTAGE_RANGE;
1543
1544                 if (idx == PALMAS_REG_LDO8)
1545                         pdata->enable_ldo8_tracking = of_property_read_bool(
1546                                                 np, "ti,enable-ldo8-tracking");
1547         }
1548
1549         pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator");
1550
1551         return 0;
1552 }
1553
1554 static const struct of_device_id of_palmas_match_tbl[] = {
1555         {
1556                 .compatible = "ti,palmas-pmic",
1557                 .data = &palmas_ddata,
1558         },
1559         {
1560                 .compatible = "ti,twl6035-pmic",
1561                 .data = &palmas_ddata,
1562         },
1563         {
1564                 .compatible = "ti,twl6036-pmic",
1565                 .data = &palmas_ddata,
1566         },
1567         {
1568                 .compatible = "ti,twl6037-pmic",
1569                 .data = &palmas_ddata,
1570         },
1571         {
1572                 .compatible = "ti,tps65913-pmic",
1573                 .data = &palmas_ddata,
1574         },
1575         {
1576                 .compatible = "ti,tps65914-pmic",
1577                 .data = &palmas_ddata,
1578         },
1579         {
1580                 .compatible = "ti,tps80036-pmic",
1581                 .data = &palmas_ddata,
1582         },
1583         {
1584                 .compatible = "ti,tps659038-pmic",
1585                 .data = &palmas_ddata,
1586         },
1587          {
1588                 .compatible = "ti,tps65917-pmic",
1589                 .data = &tps65917_ddata,
1590         },
1591         { /* end */ }
1592 };
1593
1594 static int palmas_regulators_probe(struct platform_device *pdev)
1595 {
1596         struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
1597         struct palmas_pmic_platform_data *pdata;
1598         struct device_node *node = pdev->dev.of_node;
1599         struct palmas_pmic_driver_data *driver_data;
1600         struct regulator_config config = { };
1601         struct palmas_pmic *pmic;
1602         const char *pdev_name;
1603         int ret = 0;
1604         unsigned int reg;
1605
1606         driver_data = (struct palmas_pmic_driver_data *)device_get_match_data(&pdev->dev);
1607         if (!driver_data)
1608                 return -ENODATA;
1609
1610         pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
1611         if (!pdata)
1612                 return -ENOMEM;
1613
1614         pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
1615         if (!pmic)
1616                 return -ENOMEM;
1617
1618         if (of_device_is_compatible(node, "ti,tps659038-pmic")) {
1619                 palmas_generic_regs_info[PALMAS_REG_REGEN2].ctrl_addr =
1620                                                         TPS659038_REGEN2_CTRL;
1621                 palmas_ddata.has_regen3 = false;
1622         }
1623
1624         pmic->dev = &pdev->dev;
1625         pmic->palmas = palmas;
1626         palmas->pmic = pmic;
1627         platform_set_drvdata(pdev, pmic);
1628         pmic->palmas->pmic_ddata = driver_data;
1629
1630         ret = palmas_dt_to_pdata(&pdev->dev, node, pdata, driver_data);
1631         if (ret)
1632                 return ret;
1633
1634         ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, &reg);
1635         if (ret)
1636                 return ret;
1637
1638         if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN) {
1639                 pmic->smps123 = 1;
1640                 pmic->smps12 = 1;
1641         }
1642
1643         if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN)
1644                 pmic->smps457 = 1;
1645
1646         config.regmap = palmas->regmap[REGULATOR_SLAVE];
1647         config.dev = &pdev->dev;
1648         config.driver_data = pmic;
1649         pdev_name = pdev->name;
1650
1651         ret = driver_data->smps_register(pmic, driver_data, pdata, pdev_name,
1652                                          config);
1653         if (ret)
1654                 return ret;
1655
1656         ret = driver_data->ldo_register(pmic, driver_data, pdata, pdev_name,
1657                                         config);
1658
1659         return ret;
1660 }
1661
1662 static struct platform_driver palmas_driver = {
1663         .driver = {
1664                 .name = "palmas-pmic",
1665                 .probe_type = PROBE_PREFER_ASYNCHRONOUS,
1666                 .of_match_table = of_palmas_match_tbl,
1667         },
1668         .probe = palmas_regulators_probe,
1669 };
1670
1671 static int __init palmas_init(void)
1672 {
1673         return platform_driver_register(&palmas_driver);
1674 }
1675 subsys_initcall(palmas_init);
1676
1677 static void __exit palmas_exit(void)
1678 {
1679         platform_driver_unregister(&palmas_driver);
1680 }
1681 module_exit(palmas_exit);
1682
1683 MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>");
1684 MODULE_DESCRIPTION("Palmas voltage regulator driver");
1685 MODULE_LICENSE("GPL");
1686 MODULE_ALIAS("platform:palmas-pmic");
1687 MODULE_DEVICE_TABLE(of, of_palmas_match_tbl);