linux/drivers/regulator/da903x.c
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   1/*
   2 * Regulators driver for Dialog Semiconductor DA903x
   3 *
   4 * Copyright (C) 2006-2008 Marvell International Ltd.
   5 * Copyright (C) 2008 Compulab Ltd.
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License version 2 as
   9 * published by the Free Software Foundation.
  10 */
  11
  12#include <linux/kernel.h>
  13#include <linux/init.h>
  14#include <linux/err.h>
  15#include <linux/module.h>
  16#include <linux/platform_device.h>
  17#include <linux/regulator/driver.h>
  18#include <linux/regulator/machine.h>
  19#include <linux/mfd/da903x.h>
  20
  21/* DA9030 Registers */
  22#define DA9030_INVAL            (-1)
  23#define DA9030_LDO1011          (0x10)
  24#define DA9030_LDO15            (0x11)
  25#define DA9030_LDO1416          (0x12)
  26#define DA9030_LDO1819          (0x13)
  27#define DA9030_LDO17            (0x14)
  28#define DA9030_BUCK2DVM1        (0x15)
  29#define DA9030_BUCK2DVM2        (0x16)
  30#define DA9030_RCTL11           (0x17)
  31#define DA9030_RCTL21           (0x18)
  32#define DA9030_LDO1             (0x90)
  33#define DA9030_LDO23            (0x91)
  34#define DA9030_LDO45            (0x92)
  35#define DA9030_LDO6             (0x93)
  36#define DA9030_LDO78            (0x94)
  37#define DA9030_LDO912           (0x95)
  38#define DA9030_BUCK             (0x96)
  39#define DA9030_RCTL12           (0x97)
  40#define DA9030_RCTL22           (0x98)
  41#define DA9030_LDO_UNLOCK       (0xa0)
  42#define DA9030_LDO_UNLOCK_MASK  (0xe0)
  43#define DA9034_OVER1            (0x10)
  44
  45/* DA9034 Registers */
  46#define DA9034_INVAL            (-1)
  47#define DA9034_OVER2            (0x11)
  48#define DA9034_OVER3            (0x12)
  49#define DA9034_LDO643           (0x13)
  50#define DA9034_LDO987           (0x14)
  51#define DA9034_LDO1110          (0x15)
  52#define DA9034_LDO1312          (0x16)
  53#define DA9034_LDO1514          (0x17)
  54#define DA9034_VCC1             (0x20)
  55#define DA9034_ADTV1            (0x23)
  56#define DA9034_ADTV2            (0x24)
  57#define DA9034_AVRC             (0x25)
  58#define DA9034_CDTV1            (0x26)
  59#define DA9034_CDTV2            (0x27)
  60#define DA9034_CVRC             (0x28)
  61#define DA9034_SDTV1            (0x29)
  62#define DA9034_SDTV2            (0x2a)
  63#define DA9034_SVRC             (0x2b)
  64#define DA9034_MDTV1            (0x32)
  65#define DA9034_MDTV2            (0x33)
  66#define DA9034_MVRC             (0x34)
  67
  68/* DA9035 Registers. DA9034 Registers are comptabile to DA9035. */
  69#define DA9035_OVER3            (0x12)
  70#define DA9035_VCC2             (0x1f)
  71#define DA9035_3DTV1            (0x2c)
  72#define DA9035_3DTV2            (0x2d)
  73#define DA9035_3VRC             (0x2e)
  74#define DA9035_AUTOSKIP         (0x2f)
  75
  76struct da903x_regulator_info {
  77        struct regulator_desc desc;
  78
  79        int     max_uV;
  80        int     vol_reg;
  81        int     vol_shift;
  82        int     vol_nbits;
  83        int     update_reg;
  84        int     update_bit;
  85        int     enable_reg;
  86        int     enable_bit;
  87};
  88
  89static inline struct device *to_da903x_dev(struct regulator_dev *rdev)
  90{
  91        return rdev_get_dev(rdev)->parent->parent;
  92}
  93
  94static inline int check_range(struct da903x_regulator_info *info,
  95                                int min_uV, int max_uV)
  96{
  97        if (min_uV < info->desc.min_uV || min_uV > info->max_uV)
  98                return -EINVAL;
  99
 100        return 0;
 101}
 102
 103/* DA9030/DA9034 common operations */
 104static int da903x_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
 105{
 106        struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 107        struct device *da9034_dev = to_da903x_dev(rdev);
 108        uint8_t val, mask;
 109
 110        if (rdev->desc->n_voltages == 1)
 111                return -EINVAL;
 112
 113        val = selector << info->vol_shift;
 114        mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;
 115
 116        return da903x_update(da9034_dev, info->vol_reg, val, mask);
 117}
 118
 119static int da903x_get_voltage_sel(struct regulator_dev *rdev)
 120{
 121        struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 122        struct device *da9034_dev = to_da903x_dev(rdev);
 123        uint8_t val, mask;
 124        int ret;
 125
 126        if (rdev->desc->n_voltages == 1)
 127                return 0;
 128
 129        ret = da903x_read(da9034_dev, info->vol_reg, &val);
 130        if (ret)
 131                return ret;
 132
 133        mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;
 134        val = (val & mask) >> info->vol_shift;
 135
 136        return val;
 137}
 138
 139static int da903x_enable(struct regulator_dev *rdev)
 140{
 141        struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 142        struct device *da9034_dev = to_da903x_dev(rdev);
 143
 144        return da903x_set_bits(da9034_dev, info->enable_reg,
 145                                        1 << info->enable_bit);
 146}
 147
 148static int da903x_disable(struct regulator_dev *rdev)
 149{
 150        struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 151        struct device *da9034_dev = to_da903x_dev(rdev);
 152
 153        return da903x_clr_bits(da9034_dev, info->enable_reg,
 154                                        1 << info->enable_bit);
 155}
 156
 157static int da903x_is_enabled(struct regulator_dev *rdev)
 158{
 159        struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 160        struct device *da9034_dev = to_da903x_dev(rdev);
 161        uint8_t reg_val;
 162        int ret;
 163
 164        ret = da903x_read(da9034_dev, info->enable_reg, &reg_val);
 165        if (ret)
 166                return ret;
 167
 168        return !!(reg_val & (1 << info->enable_bit));
 169}
 170
 171/* DA9030 specific operations */
 172static int da9030_set_ldo1_15_voltage_sel(struct regulator_dev *rdev,
 173                                          unsigned selector)
 174{
 175        struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 176        struct device *da903x_dev = to_da903x_dev(rdev);
 177        uint8_t val, mask;
 178        int ret;
 179
 180        val = selector << info->vol_shift;
 181        mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;
 182        val |= DA9030_LDO_UNLOCK; /* have to set UNLOCK bits */
 183        mask |= DA9030_LDO_UNLOCK_MASK;
 184
 185        /* write twice */
 186        ret = da903x_update(da903x_dev, info->vol_reg, val, mask);
 187        if (ret)
 188                return ret;
 189
 190        return da903x_update(da903x_dev, info->vol_reg, val, mask);
 191}
 192
 193static int da9030_map_ldo14_voltage(struct regulator_dev *rdev,
 194                                    int min_uV, int max_uV)
 195{
 196        struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 197        int thresh, sel;
 198
 199        if (check_range(info, min_uV, max_uV)) {
 200                pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
 201                return -EINVAL;
 202        }
 203
 204        thresh = (info->max_uV + info->desc.min_uV) / 2;
 205        if (min_uV < thresh) {
 206                sel = DIV_ROUND_UP(thresh - min_uV, info->desc.uV_step);
 207                sel |= 0x4;
 208        } else {
 209                sel = DIV_ROUND_UP(min_uV - thresh, info->desc.uV_step);
 210        }
 211
 212        return sel;
 213}
 214
 215static int da9030_list_ldo14_voltage(struct regulator_dev *rdev,
 216                                     unsigned selector)
 217{
 218        struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 219        int volt;
 220
 221        if (selector & 0x4)
 222                volt = rdev->desc->min_uV +
 223                       rdev->desc->uV_step * (3 - (selector & ~0x4));
 224        else
 225                volt = (info->max_uV + rdev->desc->min_uV) / 2 +
 226                       rdev->desc->uV_step * (selector & ~0x4);
 227
 228        if (volt > info->max_uV)
 229                return -EINVAL;
 230
 231        return volt;
 232}
 233
 234/* DA9034 specific operations */
 235static int da9034_set_dvc_voltage_sel(struct regulator_dev *rdev,
 236                                      unsigned selector)
 237{
 238        struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 239        struct device *da9034_dev = to_da903x_dev(rdev);
 240        uint8_t val, mask;
 241        int ret;
 242
 243        val = selector << info->vol_shift;
 244        mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;
 245
 246        ret = da903x_update(da9034_dev, info->vol_reg, val, mask);
 247        if (ret)
 248                return ret;
 249
 250        ret = da903x_set_bits(da9034_dev, info->update_reg,
 251                                        1 << info->update_bit);
 252        return ret;
 253}
 254
 255static int da9034_map_ldo12_voltage(struct regulator_dev *rdev,
 256                                    int min_uV, int max_uV)
 257{
 258        struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 259        int sel;
 260
 261        if (check_range(info, min_uV, max_uV)) {
 262                pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
 263                return -EINVAL;
 264        }
 265
 266        sel = DIV_ROUND_UP(min_uV - info->desc.min_uV, info->desc.uV_step);
 267        sel = (sel >= 20) ? sel - 12 : ((sel > 7) ? 8 : sel);
 268
 269        return sel;
 270}
 271
 272static int da9034_list_ldo12_voltage(struct regulator_dev *rdev,
 273                                     unsigned selector)
 274{
 275        struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 276        int volt;
 277
 278        if (selector >= 8)
 279                volt = 2700000 + rdev->desc->uV_step * (selector - 8);
 280        else
 281                volt = rdev->desc->min_uV + rdev->desc->uV_step * selector;
 282
 283        if (volt > info->max_uV)
 284                return -EINVAL;
 285
 286        return volt;
 287}
 288
 289static struct regulator_ops da903x_regulator_ldo_ops = {
 290        .set_voltage_sel = da903x_set_voltage_sel,
 291        .get_voltage_sel = da903x_get_voltage_sel,
 292        .list_voltage   = regulator_list_voltage_linear,
 293        .map_voltage    = regulator_map_voltage_linear,
 294        .enable         = da903x_enable,
 295        .disable        = da903x_disable,
 296        .is_enabled     = da903x_is_enabled,
 297};
 298
 299/* NOTE: this is dedicated for the insane DA9030 LDO14 */
 300static struct regulator_ops da9030_regulator_ldo14_ops = {
 301        .set_voltage_sel = da903x_set_voltage_sel,
 302        .get_voltage_sel = da903x_get_voltage_sel,
 303        .list_voltage   = da9030_list_ldo14_voltage,
 304        .map_voltage    = da9030_map_ldo14_voltage,
 305        .enable         = da903x_enable,
 306        .disable        = da903x_disable,
 307        .is_enabled     = da903x_is_enabled,
 308};
 309
 310/* NOTE: this is dedicated for the DA9030 LDO1 and LDO15 that have locks  */
 311static struct regulator_ops da9030_regulator_ldo1_15_ops = {
 312        .set_voltage_sel = da9030_set_ldo1_15_voltage_sel,
 313        .get_voltage_sel = da903x_get_voltage_sel,
 314        .list_voltage   = regulator_list_voltage_linear,
 315        .map_voltage    = regulator_map_voltage_linear,
 316        .enable         = da903x_enable,
 317        .disable        = da903x_disable,
 318        .is_enabled     = da903x_is_enabled,
 319};
 320
 321static struct regulator_ops da9034_regulator_dvc_ops = {
 322        .set_voltage_sel = da9034_set_dvc_voltage_sel,
 323        .get_voltage_sel = da903x_get_voltage_sel,
 324        .list_voltage   = regulator_list_voltage_linear,
 325        .map_voltage    = regulator_map_voltage_linear,
 326        .enable         = da903x_enable,
 327        .disable        = da903x_disable,
 328        .is_enabled     = da903x_is_enabled,
 329};
 330
 331/* NOTE: this is dedicated for the insane LDO12 */
 332static struct regulator_ops da9034_regulator_ldo12_ops = {
 333        .set_voltage_sel = da903x_set_voltage_sel,
 334        .get_voltage_sel = da903x_get_voltage_sel,
 335        .list_voltage   = da9034_list_ldo12_voltage,
 336        .map_voltage    = da9034_map_ldo12_voltage,
 337        .enable         = da903x_enable,
 338        .disable        = da903x_disable,
 339        .is_enabled     = da903x_is_enabled,
 340};
 341
 342#define DA903x_LDO(_pmic, _id, min, max, step, vreg, shift, nbits, ereg, ebit)  \
 343{                                                                       \
 344        .desc   = {                                                     \
 345                .name   = "LDO" #_id,                                   \
 346                .ops    = &da903x_regulator_ldo_ops,                    \
 347                .type   = REGULATOR_VOLTAGE,                            \
 348                .id     = _pmic##_ID_LDO##_id,                          \
 349                .n_voltages = (step) ? ((max - min) / step + 1) : 1,    \
 350                .owner  = THIS_MODULE,                                  \
 351                .min_uV  = (min) * 1000,                                \
 352                .uV_step = (step) * 1000,                               \
 353        },                                                              \
 354        .max_uV         = (max) * 1000,                                 \
 355        .vol_reg        = _pmic##_##vreg,                               \
 356        .vol_shift      = (shift),                                      \
 357        .vol_nbits      = (nbits),                                      \
 358        .enable_reg     = _pmic##_##ereg,                               \
 359        .enable_bit     = (ebit),                                       \
 360}
 361
 362#define DA903x_DVC(_pmic, _id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
 363{                                                                       \
 364        .desc   = {                                                     \
 365                .name   = #_id,                                         \
 366                .ops    = &da9034_regulator_dvc_ops,                    \
 367                .type   = REGULATOR_VOLTAGE,                            \
 368                .id     = _pmic##_ID_##_id,                             \
 369                .n_voltages = (step) ? ((max - min) / step + 1) : 1,    \
 370                .owner  = THIS_MODULE,                                  \
 371                .min_uV = (min) * 1000,                                 \
 372                .uV_step = (step) * 1000,                               \
 373        },                                                              \
 374        .max_uV         = (max) * 1000,                                 \
 375        .vol_reg        = _pmic##_##vreg,                               \
 376        .vol_shift      = (0),                                          \
 377        .vol_nbits      = (nbits),                                      \
 378        .update_reg     = _pmic##_##ureg,                               \
 379        .update_bit     = (ubit),                                       \
 380        .enable_reg     = _pmic##_##ereg,                               \
 381        .enable_bit     = (ebit),                                       \
 382}
 383
 384#define DA9034_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \
 385        DA903x_LDO(DA9034, _id, min, max, step, vreg, shift, nbits, ereg, ebit)
 386
 387#define DA9030_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \
 388        DA903x_LDO(DA9030, _id, min, max, step, vreg, shift, nbits, ereg, ebit)
 389
 390#define DA9030_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
 391        DA903x_DVC(DA9030, _id, min, max, step, vreg, nbits, ureg, ubit, \
 392                   ereg, ebit)
 393
 394#define DA9034_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
 395        DA903x_DVC(DA9034, _id, min, max, step, vreg, nbits, ureg, ubit, \
 396                   ereg, ebit)
 397
 398#define DA9035_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
 399        DA903x_DVC(DA9035, _id, min, max, step, vreg, nbits, ureg, ubit, \
 400                   ereg, ebit)
 401
 402static struct da903x_regulator_info da903x_regulator_info[] = {
 403        /* DA9030 */
 404        DA9030_DVC(BUCK2, 850, 1625, 25, BUCK2DVM1, 5, BUCK2DVM1, 7, RCTL11, 0),
 405
 406        DA9030_LDO( 1, 1200, 3200, 100,    LDO1, 0, 5, RCTL12, 1),
 407        DA9030_LDO( 2, 1800, 3200, 100,   LDO23, 0, 4, RCTL12, 2),
 408        DA9030_LDO( 3, 1800, 3200, 100,   LDO23, 4, 4, RCTL12, 3),
 409        DA9030_LDO( 4, 1800, 3200, 100,   LDO45, 0, 4, RCTL12, 4),
 410        DA9030_LDO( 5, 1800, 3200, 100,   LDO45, 4, 4, RCTL12, 5),
 411        DA9030_LDO( 6, 1800, 3200, 100,    LDO6, 0, 4, RCTL12, 6),
 412        DA9030_LDO( 7, 1800, 3200, 100,   LDO78, 0, 4, RCTL12, 7),
 413        DA9030_LDO( 8, 1800, 3200, 100,   LDO78, 4, 4, RCTL22, 0),
 414        DA9030_LDO( 9, 1800, 3200, 100,  LDO912, 0, 4, RCTL22, 1),
 415        DA9030_LDO(10, 1800, 3200, 100, LDO1011, 0, 4, RCTL22, 2),
 416        DA9030_LDO(11, 1800, 3200, 100, LDO1011, 4, 4, RCTL22, 3),
 417        DA9030_LDO(12, 1800, 3200, 100,  LDO912, 4, 4, RCTL22, 4),
 418        DA9030_LDO(14, 2760, 2940,  30, LDO1416, 0, 3, RCTL11, 4),
 419        DA9030_LDO(15, 1100, 2650,  50,   LDO15, 0, 5, RCTL11, 5),
 420        DA9030_LDO(16, 1100, 2650,  50, LDO1416, 3, 5, RCTL11, 6),
 421        DA9030_LDO(17, 1800, 3200, 100,   LDO17, 0, 4, RCTL11, 7),
 422        DA9030_LDO(18, 1800, 3200, 100, LDO1819, 0, 4, RCTL21, 2),
 423        DA9030_LDO(19, 1800, 3200, 100, LDO1819, 4, 4, RCTL21, 1),
 424        DA9030_LDO(13, 2100, 2100, 0, INVAL, 0, 0, RCTL11, 3), /* fixed @2.1V */
 425
 426        /* DA9034 */
 427        DA9034_DVC(BUCK1, 725, 1500, 25, ADTV2, 5, VCC1, 0, OVER1, 0),
 428        DA9034_DVC(BUCK2, 725, 1500, 25, CDTV2, 5, VCC1, 2, OVER1, 1),
 429        DA9034_DVC(LDO2,  725, 1500, 25, SDTV2, 5, VCC1, 4, OVER1, 2),
 430        DA9034_DVC(LDO1, 1700, 2075, 25, MDTV1, 4, VCC1, 6, OVER3, 4),
 431
 432        DA9034_LDO( 3, 1800, 3300, 100,  LDO643, 0, 4, OVER3, 5),
 433        DA9034_LDO( 4, 1800, 2900,1100,  LDO643, 4, 1, OVER3, 6),
 434        DA9034_LDO( 6, 2500, 2850,  50,  LDO643, 5, 3, OVER2, 0),
 435        DA9034_LDO( 7, 2700, 3050,  50,  LDO987, 0, 3, OVER2, 1),
 436        DA9034_LDO( 8, 2700, 2850,  50,  LDO987, 3, 2, OVER2, 2),
 437        DA9034_LDO( 9, 2700, 3050,  50,  LDO987, 5, 3, OVER2, 3),
 438        DA9034_LDO(10, 2700, 3050,  50, LDO1110, 0, 3, OVER2, 4),
 439        DA9034_LDO(11, 1800, 3300, 100, LDO1110, 4, 4, OVER2, 5),
 440        DA9034_LDO(12, 1700, 3050,  50, LDO1312, 0, 4, OVER3, 6),
 441        DA9034_LDO(13, 1800, 3300, 100, LDO1312, 4, 4, OVER2, 7),
 442        DA9034_LDO(14, 1800, 3300, 100, LDO1514, 0, 4, OVER3, 0),
 443        DA9034_LDO(15, 1800, 3300, 100, LDO1514, 4, 4, OVER3, 1),
 444        DA9034_LDO(5, 3100, 3100, 0, INVAL, 0, 0, OVER3, 7), /* fixed @3.1V */
 445
 446        /* DA9035 */
 447        DA9035_DVC(BUCK3, 1800, 2200, 100, 3DTV1, 3, VCC2, 0, OVER3, 3),
 448};
 449
 450static inline struct da903x_regulator_info *find_regulator_info(int id)
 451{
 452        struct da903x_regulator_info *ri;
 453        int i;
 454
 455        for (i = 0; i < ARRAY_SIZE(da903x_regulator_info); i++) {
 456                ri = &da903x_regulator_info[i];
 457                if (ri->desc.id == id)
 458                        return ri;
 459        }
 460        return NULL;
 461}
 462
 463static int da903x_regulator_probe(struct platform_device *pdev)
 464{
 465        struct da903x_regulator_info *ri = NULL;
 466        struct regulator_dev *rdev;
 467        struct regulator_config config = { };
 468
 469        ri = find_regulator_info(pdev->id);
 470        if (ri == NULL) {
 471                dev_err(&pdev->dev, "invalid regulator ID specified\n");
 472                return -EINVAL;
 473        }
 474
 475        /* Workaround for the weird LDO12 voltage setting */
 476        if (ri->desc.id == DA9034_ID_LDO12) {
 477                ri->desc.ops = &da9034_regulator_ldo12_ops;
 478                ri->desc.n_voltages = 16;
 479        }
 480
 481        if (ri->desc.id == DA9030_ID_LDO14)
 482                ri->desc.ops = &da9030_regulator_ldo14_ops;
 483
 484        if (ri->desc.id == DA9030_ID_LDO1 || ri->desc.id == DA9030_ID_LDO15)
 485                ri->desc.ops = &da9030_regulator_ldo1_15_ops;
 486
 487        config.dev = &pdev->dev;
 488        config.init_data = pdev->dev.platform_data;
 489        config.driver_data = ri;
 490
 491        rdev = regulator_register(&ri->desc, &config);
 492        if (IS_ERR(rdev)) {
 493                dev_err(&pdev->dev, "failed to register regulator %s\n",
 494                                ri->desc.name);
 495                return PTR_ERR(rdev);
 496        }
 497
 498        platform_set_drvdata(pdev, rdev);
 499        return 0;
 500}
 501
 502static int da903x_regulator_remove(struct platform_device *pdev)
 503{
 504        struct regulator_dev *rdev = platform_get_drvdata(pdev);
 505
 506        regulator_unregister(rdev);
 507        return 0;
 508}
 509
 510static struct platform_driver da903x_regulator_driver = {
 511        .driver = {
 512                .name   = "da903x-regulator",
 513                .owner  = THIS_MODULE,
 514        },
 515        .probe          = da903x_regulator_probe,
 516        .remove         = da903x_regulator_remove,
 517};
 518
 519static int __init da903x_regulator_init(void)
 520{
 521        return platform_driver_register(&da903x_regulator_driver);
 522}
 523subsys_initcall(da903x_regulator_init);
 524
 525static void __exit da903x_regulator_exit(void)
 526{
 527        platform_driver_unregister(&da903x_regulator_driver);
 528}
 529module_exit(da903x_regulator_exit);
 530
 531MODULE_LICENSE("GPL");
 532MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>"
 533              "Mike Rapoport <mike@compulab.co.il>");
 534MODULE_DESCRIPTION("Regulator Driver for Dialog Semiconductor DA903X PMIC");
 535MODULE_ALIAS("platform:da903x-regulator");
 536
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