root/drivers/regulator/da903x.c

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DEFINITIONS

This source file includes following definitions.
  1. to_da903x_dev
  2. check_range
  3. da903x_set_voltage_sel
  4. da903x_get_voltage_sel
  5. da903x_enable
  6. da903x_disable
  7. da903x_is_enabled
  8. da9030_set_ldo1_15_voltage_sel
  9. da9030_map_ldo14_voltage
  10. da9030_list_ldo14_voltage
  11. da9034_set_dvc_voltage_sel
  12. find_regulator_info
  13. da903x_regulator_probe
  14. da903x_regulator_init
  15. da903x_regulator_exit

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // Regulators driver for Dialog Semiconductor DA903x
   4 //
   5 // Copyright (C) 2006-2008 Marvell International Ltd.
   6 // Copyright (C) 2008 Compulab Ltd.
   7 
   8 #include <linux/kernel.h>
   9 #include <linux/init.h>
  10 #include <linux/err.h>
  11 #include <linux/module.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/regulator/driver.h>
  14 #include <linux/regulator/machine.h>
  15 #include <linux/mfd/da903x.h>
  16 
  17 /* DA9030 Registers */
  18 #define DA9030_INVAL            (-1)
  19 #define DA9030_LDO1011          (0x10)
  20 #define DA9030_LDO15            (0x11)
  21 #define DA9030_LDO1416          (0x12)
  22 #define DA9030_LDO1819          (0x13)
  23 #define DA9030_LDO17            (0x14)
  24 #define DA9030_BUCK2DVM1        (0x15)
  25 #define DA9030_BUCK2DVM2        (0x16)
  26 #define DA9030_RCTL11           (0x17)
  27 #define DA9030_RCTL21           (0x18)
  28 #define DA9030_LDO1             (0x90)
  29 #define DA9030_LDO23            (0x91)
  30 #define DA9030_LDO45            (0x92)
  31 #define DA9030_LDO6             (0x93)
  32 #define DA9030_LDO78            (0x94)
  33 #define DA9030_LDO912           (0x95)
  34 #define DA9030_BUCK             (0x96)
  35 #define DA9030_RCTL12           (0x97)
  36 #define DA9030_RCTL22           (0x98)
  37 #define DA9030_LDO_UNLOCK       (0xa0)
  38 #define DA9030_LDO_UNLOCK_MASK  (0xe0)
  39 #define DA9034_OVER1            (0x10)
  40 
  41 /* DA9034 Registers */
  42 #define DA9034_INVAL            (-1)
  43 #define DA9034_OVER2            (0x11)
  44 #define DA9034_OVER3            (0x12)
  45 #define DA9034_LDO643           (0x13)
  46 #define DA9034_LDO987           (0x14)
  47 #define DA9034_LDO1110          (0x15)
  48 #define DA9034_LDO1312          (0x16)
  49 #define DA9034_LDO1514          (0x17)
  50 #define DA9034_VCC1             (0x20)
  51 #define DA9034_ADTV1            (0x23)
  52 #define DA9034_ADTV2            (0x24)
  53 #define DA9034_AVRC             (0x25)
  54 #define DA9034_CDTV1            (0x26)
  55 #define DA9034_CDTV2            (0x27)
  56 #define DA9034_CVRC             (0x28)
  57 #define DA9034_SDTV1            (0x29)
  58 #define DA9034_SDTV2            (0x2a)
  59 #define DA9034_SVRC             (0x2b)
  60 #define DA9034_MDTV1            (0x32)
  61 #define DA9034_MDTV2            (0x33)
  62 #define DA9034_MVRC             (0x34)
  63 
  64 /* DA9035 Registers. DA9034 Registers are comptabile to DA9035. */
  65 #define DA9035_OVER3            (0x12)
  66 #define DA9035_VCC2             (0x1f)
  67 #define DA9035_3DTV1            (0x2c)
  68 #define DA9035_3DTV2            (0x2d)
  69 #define DA9035_3VRC             (0x2e)
  70 #define DA9035_AUTOSKIP         (0x2f)
  71 
  72 struct da903x_regulator_info {
  73         struct regulator_desc desc;
  74 
  75         int     max_uV;
  76         int     vol_reg;
  77         int     vol_shift;
  78         int     vol_nbits;
  79         int     update_reg;
  80         int     update_bit;
  81         int     enable_reg;
  82         int     enable_bit;
  83 };
  84 
  85 static inline struct device *to_da903x_dev(struct regulator_dev *rdev)
  86 {
  87         return rdev_get_dev(rdev)->parent->parent;
  88 }
  89 
  90 static inline int check_range(struct da903x_regulator_info *info,
  91                                 int min_uV, int max_uV)
  92 {
  93         if (min_uV < info->desc.min_uV || min_uV > info->max_uV)
  94                 return -EINVAL;
  95 
  96         return 0;
  97 }
  98 
  99 /* DA9030/DA9034 common operations */
 100 static int da903x_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
 101 {
 102         struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 103         struct device *da9034_dev = to_da903x_dev(rdev);
 104         uint8_t val, mask;
 105 
 106         if (rdev->desc->n_voltages == 1)
 107                 return -EINVAL;
 108 
 109         val = selector << info->vol_shift;
 110         mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;
 111 
 112         return da903x_update(da9034_dev, info->vol_reg, val, mask);
 113 }
 114 
 115 static int da903x_get_voltage_sel(struct regulator_dev *rdev)
 116 {
 117         struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 118         struct device *da9034_dev = to_da903x_dev(rdev);
 119         uint8_t val, mask;
 120         int ret;
 121 
 122         if (rdev->desc->n_voltages == 1)
 123                 return 0;
 124 
 125         ret = da903x_read(da9034_dev, info->vol_reg, &val);
 126         if (ret)
 127                 return ret;
 128 
 129         mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;
 130         val = (val & mask) >> info->vol_shift;
 131 
 132         return val;
 133 }
 134 
 135 static int da903x_enable(struct regulator_dev *rdev)
 136 {
 137         struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 138         struct device *da9034_dev = to_da903x_dev(rdev);
 139 
 140         return da903x_set_bits(da9034_dev, info->enable_reg,
 141                                         1 << info->enable_bit);
 142 }
 143 
 144 static int da903x_disable(struct regulator_dev *rdev)
 145 {
 146         struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 147         struct device *da9034_dev = to_da903x_dev(rdev);
 148 
 149         return da903x_clr_bits(da9034_dev, info->enable_reg,
 150                                         1 << info->enable_bit);
 151 }
 152 
 153 static int da903x_is_enabled(struct regulator_dev *rdev)
 154 {
 155         struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 156         struct device *da9034_dev = to_da903x_dev(rdev);
 157         uint8_t reg_val;
 158         int ret;
 159 
 160         ret = da903x_read(da9034_dev, info->enable_reg, &reg_val);
 161         if (ret)
 162                 return ret;
 163 
 164         return !!(reg_val & (1 << info->enable_bit));
 165 }
 166 
 167 /* DA9030 specific operations */
 168 static int da9030_set_ldo1_15_voltage_sel(struct regulator_dev *rdev,
 169                                           unsigned selector)
 170 {
 171         struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 172         struct device *da903x_dev = to_da903x_dev(rdev);
 173         uint8_t val, mask;
 174         int ret;
 175 
 176         val = selector << info->vol_shift;
 177         mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;
 178         val |= DA9030_LDO_UNLOCK; /* have to set UNLOCK bits */
 179         mask |= DA9030_LDO_UNLOCK_MASK;
 180 
 181         /* write twice */
 182         ret = da903x_update(da903x_dev, info->vol_reg, val, mask);
 183         if (ret)
 184                 return ret;
 185 
 186         return da903x_update(da903x_dev, info->vol_reg, val, mask);
 187 }
 188 
 189 static int da9030_map_ldo14_voltage(struct regulator_dev *rdev,
 190                                     int min_uV, int max_uV)
 191 {
 192         struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 193         int thresh, sel;
 194 
 195         if (check_range(info, min_uV, max_uV)) {
 196                 pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
 197                 return -EINVAL;
 198         }
 199 
 200         thresh = (info->max_uV + info->desc.min_uV) / 2;
 201         if (min_uV < thresh) {
 202                 sel = DIV_ROUND_UP(thresh - min_uV, info->desc.uV_step);
 203                 sel |= 0x4;
 204         } else {
 205                 sel = DIV_ROUND_UP(min_uV - thresh, info->desc.uV_step);
 206         }
 207 
 208         return sel;
 209 }
 210 
 211 static int da9030_list_ldo14_voltage(struct regulator_dev *rdev,
 212                                      unsigned selector)
 213 {
 214         struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 215         int volt;
 216 
 217         if (selector & 0x4)
 218                 volt = rdev->desc->min_uV +
 219                        rdev->desc->uV_step * (3 - (selector & ~0x4));
 220         else
 221                 volt = (info->max_uV + rdev->desc->min_uV) / 2 +
 222                        rdev->desc->uV_step * (selector & ~0x4);
 223 
 224         if (volt > info->max_uV)
 225                 return -EINVAL;
 226 
 227         return volt;
 228 }
 229 
 230 /* DA9034 specific operations */
 231 static int da9034_set_dvc_voltage_sel(struct regulator_dev *rdev,
 232                                       unsigned selector)
 233 {
 234         struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
 235         struct device *da9034_dev = to_da903x_dev(rdev);
 236         uint8_t val, mask;
 237         int ret;
 238 
 239         val = selector << info->vol_shift;
 240         mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;
 241 
 242         ret = da903x_update(da9034_dev, info->vol_reg, val, mask);
 243         if (ret)
 244                 return ret;
 245 
 246         ret = da903x_set_bits(da9034_dev, info->update_reg,
 247                                         1 << info->update_bit);
 248         return ret;
 249 }
 250 
 251 static const struct regulator_linear_range da9034_ldo12_ranges[] = {
 252         REGULATOR_LINEAR_RANGE(1700000, 0, 7, 50000),
 253         REGULATOR_LINEAR_RANGE(2700000, 8, 15, 50000),
 254 };
 255 
 256 static const struct regulator_ops da903x_regulator_ldo_ops = {
 257         .set_voltage_sel = da903x_set_voltage_sel,
 258         .get_voltage_sel = da903x_get_voltage_sel,
 259         .list_voltage   = regulator_list_voltage_linear,
 260         .map_voltage    = regulator_map_voltage_linear,
 261         .enable         = da903x_enable,
 262         .disable        = da903x_disable,
 263         .is_enabled     = da903x_is_enabled,
 264 };
 265 
 266 /* NOTE: this is dedicated for the insane DA9030 LDO14 */
 267 static const struct regulator_ops da9030_regulator_ldo14_ops = {
 268         .set_voltage_sel = da903x_set_voltage_sel,
 269         .get_voltage_sel = da903x_get_voltage_sel,
 270         .list_voltage   = da9030_list_ldo14_voltage,
 271         .map_voltage    = da9030_map_ldo14_voltage,
 272         .enable         = da903x_enable,
 273         .disable        = da903x_disable,
 274         .is_enabled     = da903x_is_enabled,
 275 };
 276 
 277 /* NOTE: this is dedicated for the DA9030 LDO1 and LDO15 that have locks  */
 278 static const struct regulator_ops da9030_regulator_ldo1_15_ops = {
 279         .set_voltage_sel = da9030_set_ldo1_15_voltage_sel,
 280         .get_voltage_sel = da903x_get_voltage_sel,
 281         .list_voltage   = regulator_list_voltage_linear,
 282         .map_voltage    = regulator_map_voltage_linear,
 283         .enable         = da903x_enable,
 284         .disable        = da903x_disable,
 285         .is_enabled     = da903x_is_enabled,
 286 };
 287 
 288 static const struct regulator_ops da9034_regulator_dvc_ops = {
 289         .set_voltage_sel = da9034_set_dvc_voltage_sel,
 290         .get_voltage_sel = da903x_get_voltage_sel,
 291         .list_voltage   = regulator_list_voltage_linear,
 292         .map_voltage    = regulator_map_voltage_linear,
 293         .enable         = da903x_enable,
 294         .disable        = da903x_disable,
 295         .is_enabled     = da903x_is_enabled,
 296 };
 297 
 298 /* NOTE: this is dedicated for the insane LDO12 */
 299 static const struct regulator_ops da9034_regulator_ldo12_ops = {
 300         .set_voltage_sel = da903x_set_voltage_sel,
 301         .get_voltage_sel = da903x_get_voltage_sel,
 302         .list_voltage   = regulator_list_voltage_linear_range,
 303         .map_voltage    = regulator_map_voltage_linear_range,
 304         .enable         = da903x_enable,
 305         .disable        = da903x_disable,
 306         .is_enabled     = da903x_is_enabled,
 307 };
 308 
 309 #define DA903x_LDO(_pmic, _id, min, max, step, vreg, shift, nbits, ereg, ebit)  \
 310 {                                                                       \
 311         .desc   = {                                                     \
 312                 .name   = "LDO" #_id,                                   \
 313                 .ops    = &da903x_regulator_ldo_ops,                    \
 314                 .type   = REGULATOR_VOLTAGE,                            \
 315                 .id     = _pmic##_ID_LDO##_id,                          \
 316                 .n_voltages = (step) ? ((max - min) / step + 1) : 1,    \
 317                 .owner  = THIS_MODULE,                                  \
 318                 .min_uV  = (min) * 1000,                                \
 319                 .uV_step = (step) * 1000,                               \
 320         },                                                              \
 321         .max_uV         = (max) * 1000,                                 \
 322         .vol_reg        = _pmic##_##vreg,                               \
 323         .vol_shift      = (shift),                                      \
 324         .vol_nbits      = (nbits),                                      \
 325         .enable_reg     = _pmic##_##ereg,                               \
 326         .enable_bit     = (ebit),                                       \
 327 }
 328 
 329 #define DA903x_DVC(_pmic, _id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
 330 {                                                                       \
 331         .desc   = {                                                     \
 332                 .name   = #_id,                                         \
 333                 .ops    = &da9034_regulator_dvc_ops,                    \
 334                 .type   = REGULATOR_VOLTAGE,                            \
 335                 .id     = _pmic##_ID_##_id,                             \
 336                 .n_voltages = (step) ? ((max - min) / step + 1) : 1,    \
 337                 .owner  = THIS_MODULE,                                  \
 338                 .min_uV = (min) * 1000,                                 \
 339                 .uV_step = (step) * 1000,                               \
 340         },                                                              \
 341         .max_uV         = (max) * 1000,                                 \
 342         .vol_reg        = _pmic##_##vreg,                               \
 343         .vol_shift      = (0),                                          \
 344         .vol_nbits      = (nbits),                                      \
 345         .update_reg     = _pmic##_##ureg,                               \
 346         .update_bit     = (ubit),                                       \
 347         .enable_reg     = _pmic##_##ereg,                               \
 348         .enable_bit     = (ebit),                                       \
 349 }
 350 
 351 #define DA9034_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \
 352         DA903x_LDO(DA9034, _id, min, max, step, vreg, shift, nbits, ereg, ebit)
 353 
 354 #define DA9030_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \
 355         DA903x_LDO(DA9030, _id, min, max, step, vreg, shift, nbits, ereg, ebit)
 356 
 357 #define DA9030_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
 358         DA903x_DVC(DA9030, _id, min, max, step, vreg, nbits, ureg, ubit, \
 359                    ereg, ebit)
 360 
 361 #define DA9034_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
 362         DA903x_DVC(DA9034, _id, min, max, step, vreg, nbits, ureg, ubit, \
 363                    ereg, ebit)
 364 
 365 #define DA9035_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
 366         DA903x_DVC(DA9035, _id, min, max, step, vreg, nbits, ureg, ubit, \
 367                    ereg, ebit)
 368 
 369 static struct da903x_regulator_info da903x_regulator_info[] = {
 370         /* DA9030 */
 371         DA9030_DVC(BUCK2, 850, 1625, 25, BUCK2DVM1, 5, BUCK2DVM1, 7, RCTL11, 0),
 372 
 373         DA9030_LDO( 1, 1200, 3200, 100,    LDO1, 0, 5, RCTL12, 1),
 374         DA9030_LDO( 2, 1800, 3200, 100,   LDO23, 0, 4, RCTL12, 2),
 375         DA9030_LDO( 3, 1800, 3200, 100,   LDO23, 4, 4, RCTL12, 3),
 376         DA9030_LDO( 4, 1800, 3200, 100,   LDO45, 0, 4, RCTL12, 4),
 377         DA9030_LDO( 5, 1800, 3200, 100,   LDO45, 4, 4, RCTL12, 5),
 378         DA9030_LDO( 6, 1800, 3200, 100,    LDO6, 0, 4, RCTL12, 6),
 379         DA9030_LDO( 7, 1800, 3200, 100,   LDO78, 0, 4, RCTL12, 7),
 380         DA9030_LDO( 8, 1800, 3200, 100,   LDO78, 4, 4, RCTL22, 0),
 381         DA9030_LDO( 9, 1800, 3200, 100,  LDO912, 0, 4, RCTL22, 1),
 382         DA9030_LDO(10, 1800, 3200, 100, LDO1011, 0, 4, RCTL22, 2),
 383         DA9030_LDO(11, 1800, 3200, 100, LDO1011, 4, 4, RCTL22, 3),
 384         DA9030_LDO(12, 1800, 3200, 100,  LDO912, 4, 4, RCTL22, 4),
 385         DA9030_LDO(14, 2760, 2940,  30, LDO1416, 0, 3, RCTL11, 4),
 386         DA9030_LDO(15, 1100, 2650,  50,   LDO15, 0, 5, RCTL11, 5),
 387         DA9030_LDO(16, 1100, 2650,  50, LDO1416, 3, 5, RCTL11, 6),
 388         DA9030_LDO(17, 1800, 3200, 100,   LDO17, 0, 4, RCTL11, 7),
 389         DA9030_LDO(18, 1800, 3200, 100, LDO1819, 0, 4, RCTL21, 2),
 390         DA9030_LDO(19, 1800, 3200, 100, LDO1819, 4, 4, RCTL21, 1),
 391         DA9030_LDO(13, 2100, 2100, 0, INVAL, 0, 0, RCTL11, 3), /* fixed @2.1V */
 392 
 393         /* DA9034 */
 394         DA9034_DVC(BUCK1, 725, 1500, 25, ADTV2, 5, VCC1, 0, OVER1, 0),
 395         DA9034_DVC(BUCK2, 725, 1500, 25, CDTV2, 5, VCC1, 2, OVER1, 1),
 396         DA9034_DVC(LDO2,  725, 1500, 25, SDTV2, 5, VCC1, 4, OVER1, 2),
 397         DA9034_DVC(LDO1, 1700, 2075, 25, MDTV1, 4, VCC1, 6, OVER3, 4),
 398 
 399         DA9034_LDO( 3, 1800, 3300, 100,  LDO643, 0, 4, OVER3, 5),
 400         DA9034_LDO( 4, 1800, 2900,1100,  LDO643, 4, 1, OVER3, 6),
 401         DA9034_LDO( 6, 2500, 2850,  50,  LDO643, 5, 3, OVER2, 0),
 402         DA9034_LDO( 7, 2700, 3050,  50,  LDO987, 0, 3, OVER2, 1),
 403         DA9034_LDO( 8, 2700, 2850,  50,  LDO987, 3, 2, OVER2, 2),
 404         DA9034_LDO( 9, 2700, 3050,  50,  LDO987, 5, 3, OVER2, 3),
 405         DA9034_LDO(10, 2700, 3050,  50, LDO1110, 0, 3, OVER2, 4),
 406         DA9034_LDO(11, 1800, 3300, 100, LDO1110, 4, 4, OVER2, 5),
 407         DA9034_LDO(12, 1700, 3050,  50, LDO1312, 0, 4, OVER3, 6),
 408         DA9034_LDO(13, 1800, 3300, 100, LDO1312, 4, 4, OVER2, 7),
 409         DA9034_LDO(14, 1800, 3300, 100, LDO1514, 0, 4, OVER3, 0),
 410         DA9034_LDO(15, 1800, 3300, 100, LDO1514, 4, 4, OVER3, 1),
 411         DA9034_LDO(5, 3100, 3100, 0, INVAL, 0, 0, OVER3, 7), /* fixed @3.1V */
 412 
 413         /* DA9035 */
 414         DA9035_DVC(BUCK3, 1800, 2200, 100, 3DTV1, 3, VCC2, 0, OVER3, 3),
 415 };
 416 
 417 static inline struct da903x_regulator_info *find_regulator_info(int id)
 418 {
 419         struct da903x_regulator_info *ri;
 420         int i;
 421 
 422         for (i = 0; i < ARRAY_SIZE(da903x_regulator_info); i++) {
 423                 ri = &da903x_regulator_info[i];
 424                 if (ri->desc.id == id)
 425                         return ri;
 426         }
 427         return NULL;
 428 }
 429 
 430 static int da903x_regulator_probe(struct platform_device *pdev)
 431 {
 432         struct da903x_regulator_info *ri = NULL;
 433         struct regulator_dev *rdev;
 434         struct regulator_config config = { };
 435 
 436         ri = find_regulator_info(pdev->id);
 437         if (ri == NULL) {
 438                 dev_err(&pdev->dev, "invalid regulator ID specified\n");
 439                 return -EINVAL;
 440         }
 441 
 442         /* Workaround for the weird LDO12 voltage setting */
 443         if (ri->desc.id == DA9034_ID_LDO12) {
 444                 ri->desc.ops = &da9034_regulator_ldo12_ops;
 445                 ri->desc.n_voltages = 16;
 446                 ri->desc.linear_ranges = da9034_ldo12_ranges;
 447                 ri->desc.n_linear_ranges = ARRAY_SIZE(da9034_ldo12_ranges);
 448         }
 449 
 450         if (ri->desc.id == DA9030_ID_LDO14)
 451                 ri->desc.ops = &da9030_regulator_ldo14_ops;
 452 
 453         if (ri->desc.id == DA9030_ID_LDO1 || ri->desc.id == DA9030_ID_LDO15)
 454                 ri->desc.ops = &da9030_regulator_ldo1_15_ops;
 455 
 456         config.dev = &pdev->dev;
 457         config.init_data = dev_get_platdata(&pdev->dev);
 458         config.driver_data = ri;
 459 
 460         rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config);
 461         if (IS_ERR(rdev)) {
 462                 dev_err(&pdev->dev, "failed to register regulator %s\n",
 463                                 ri->desc.name);
 464                 return PTR_ERR(rdev);
 465         }
 466 
 467         platform_set_drvdata(pdev, rdev);
 468         return 0;
 469 }
 470 
 471 static struct platform_driver da903x_regulator_driver = {
 472         .driver = {
 473                 .name   = "da903x-regulator",
 474         },
 475         .probe          = da903x_regulator_probe,
 476 };
 477 
 478 static int __init da903x_regulator_init(void)
 479 {
 480         return platform_driver_register(&da903x_regulator_driver);
 481 }
 482 subsys_initcall(da903x_regulator_init);
 483 
 484 static void __exit da903x_regulator_exit(void)
 485 {
 486         platform_driver_unregister(&da903x_regulator_driver);
 487 }
 488 module_exit(da903x_regulator_exit);
 489 
 490 MODULE_LICENSE("GPL");
 491 MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>"
 492               "Mike Rapoport <mike@compulab.co.il>");
 493 MODULE_DESCRIPTION("Regulator Driver for Dialog Semiconductor DA903X PMIC");
 494 MODULE_ALIAS("platform:da903x-regulator");

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