| /* |
| * Regulators driver for Dialog Semiconductor DA903x |
| * |
| * Copyright (C) 2006-2008 Marvell International Ltd. |
| * Copyright (C) 2008 Compulab Ltd. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/err.h> |
| #include <linux/platform_device.h> |
| #include <linux/regulator/driver.h> |
| #include <linux/regulator/machine.h> |
| #include <linux/mfd/da903x.h> |
| |
| /* DA9030 Registers */ |
| #define DA9030_INVAL (-1) |
| #define DA9030_LDO1011 (0x10) |
| #define DA9030_LDO15 (0x11) |
| #define DA9030_LDO1416 (0x12) |
| #define DA9030_LDO1819 (0x13) |
| #define DA9030_LDO17 (0x14) |
| #define DA9030_BUCK2DVM1 (0x15) |
| #define DA9030_BUCK2DVM2 (0x16) |
| #define DA9030_RCTL11 (0x17) |
| #define DA9030_RCTL21 (0x18) |
| #define DA9030_LDO1 (0x90) |
| #define DA9030_LDO23 (0x91) |
| #define DA9030_LDO45 (0x92) |
| #define DA9030_LDO6 (0x93) |
| #define DA9030_LDO78 (0x94) |
| #define DA9030_LDO912 (0x95) |
| #define DA9030_BUCK (0x96) |
| #define DA9030_RCTL12 (0x97) |
| #define DA9030_RCTL22 (0x98) |
| #define DA9030_LDO_UNLOCK (0xa0) |
| #define DA9030_LDO_UNLOCK_MASK (0xe0) |
| #define DA9034_OVER1 (0x10) |
| |
| /* DA9034 Registers */ |
| #define DA9034_INVAL (-1) |
| #define DA9034_OVER2 (0x11) |
| #define DA9034_OVER3 (0x12) |
| #define DA9034_LDO643 (0x13) |
| #define DA9034_LDO987 (0x14) |
| #define DA9034_LDO1110 (0x15) |
| #define DA9034_LDO1312 (0x16) |
| #define DA9034_LDO1514 (0x17) |
| #define DA9034_VCC1 (0x20) |
| #define DA9034_ADTV1 (0x23) |
| #define DA9034_ADTV2 (0x24) |
| #define DA9034_AVRC (0x25) |
| #define DA9034_CDTV1 (0x26) |
| #define DA9034_CDTV2 (0x27) |
| #define DA9034_CVRC (0x28) |
| #define DA9034_SDTV1 (0x29) |
| #define DA9034_SDTV2 (0x2a) |
| #define DA9034_SVRC (0x2b) |
| #define DA9034_MDTV1 (0x32) |
| #define DA9034_MDTV2 (0x33) |
| #define DA9034_MVRC (0x34) |
| |
| /* DA9035 Registers. DA9034 Registers are comptabile to DA9035. */ |
| #define DA9035_OVER3 (0x12) |
| #define DA9035_VCC2 (0x1f) |
| #define DA9035_3DTV1 (0x2c) |
| #define DA9035_3DTV2 (0x2d) |
| #define DA9035_3VRC (0x2e) |
| #define DA9035_AUTOSKIP (0x2f) |
| |
| struct da903x_regulator_info { |
| struct regulator_desc desc; |
| |
| int min_uV; |
| int max_uV; |
| int step_uV; |
| int vol_reg; |
| int vol_shift; |
| int vol_nbits; |
| int update_reg; |
| int update_bit; |
| int enable_reg; |
| int enable_bit; |
| }; |
| |
| static inline struct device *to_da903x_dev(struct regulator_dev *rdev) |
| { |
| return rdev_get_dev(rdev)->parent->parent; |
| } |
| |
| static inline int check_range(struct da903x_regulator_info *info, |
| int min_uV, int max_uV) |
| { |
| if (min_uV < info->min_uV || min_uV > info->max_uV) |
| return -EINVAL; |
| |
| return 0; |
| } |
| |
| /* DA9030/DA9034 common operations */ |
| static int da903x_set_ldo_voltage(struct regulator_dev *rdev, |
| int min_uV, int max_uV) |
| { |
| struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
| struct device *da9034_dev = to_da903x_dev(rdev); |
| uint8_t val, mask; |
| |
| if (check_range(info, min_uV, max_uV)) { |
| pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV); |
| return -EINVAL; |
| } |
| |
| val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV; |
| val <<= info->vol_shift; |
| mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; |
| |
| return da903x_update(da9034_dev, info->vol_reg, val, mask); |
| } |
| |
| static int da903x_get_voltage(struct regulator_dev *rdev) |
| { |
| struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
| struct device *da9034_dev = to_da903x_dev(rdev); |
| uint8_t val, mask; |
| int ret; |
| |
| ret = da903x_read(da9034_dev, info->vol_reg, &val); |
| if (ret) |
| return ret; |
| |
| mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; |
| val = (val & mask) >> info->vol_shift; |
| |
| return info->min_uV + info->step_uV * val; |
| } |
| |
| static int da903x_enable(struct regulator_dev *rdev) |
| { |
| struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
| struct device *da9034_dev = to_da903x_dev(rdev); |
| |
| return da903x_set_bits(da9034_dev, info->enable_reg, |
| 1 << info->enable_bit); |
| } |
| |
| static int da903x_disable(struct regulator_dev *rdev) |
| { |
| struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
| struct device *da9034_dev = to_da903x_dev(rdev); |
| |
| return da903x_clr_bits(da9034_dev, info->enable_reg, |
| 1 << info->enable_bit); |
| } |
| |
| static int da903x_is_enabled(struct regulator_dev *rdev) |
| { |
| struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
| struct device *da9034_dev = to_da903x_dev(rdev); |
| uint8_t reg_val; |
| int ret; |
| |
| ret = da903x_read(da9034_dev, info->enable_reg, ®_val); |
| if (ret) |
| return ret; |
| |
| return !!(reg_val & (1 << info->enable_bit)); |
| } |
| |
| /* DA9030 specific operations */ |
| static int da9030_set_ldo1_15_voltage(struct regulator_dev *rdev, |
| int min_uV, int max_uV) |
| { |
| struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
| struct device *da903x_dev = to_da903x_dev(rdev); |
| uint8_t val, mask; |
| int ret; |
| |
| if (check_range(info, min_uV, max_uV)) { |
| pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV); |
| return -EINVAL; |
| } |
| |
| val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV; |
| val <<= info->vol_shift; |
| mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; |
| val |= DA9030_LDO_UNLOCK; /* have to set UNLOCK bits */ |
| mask |= DA9030_LDO_UNLOCK_MASK; |
| |
| /* write twice */ |
| ret = da903x_update(da903x_dev, info->vol_reg, val, mask); |
| if (ret) |
| return ret; |
| |
| return da903x_update(da903x_dev, info->vol_reg, val, mask); |
| } |
| |
| static int da9030_set_ldo14_voltage(struct regulator_dev *rdev, |
| int min_uV, int max_uV) |
| { |
| struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
| struct device *da903x_dev = to_da903x_dev(rdev); |
| uint8_t val, mask; |
| int thresh; |
| |
| if (check_range(info, min_uV, max_uV)) { |
| pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV); |
| return -EINVAL; |
| } |
| |
| thresh = (info->max_uV + info->min_uV) / 2; |
| if (min_uV < thresh) { |
| val = (thresh - min_uV + info->step_uV - 1) / info->step_uV; |
| val |= 0x4; |
| } else { |
| val = (min_uV - thresh + info->step_uV - 1) / info->step_uV; |
| } |
| |
| val <<= info->vol_shift; |
| mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; |
| |
| return da903x_update(da903x_dev, info->vol_reg, val, mask); |
| } |
| |
| static int da9030_get_ldo14_voltage(struct regulator_dev *rdev) |
| { |
| struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
| struct device *da903x_dev = to_da903x_dev(rdev); |
| uint8_t val, mask; |
| int ret; |
| |
| ret = da903x_read(da903x_dev, info->vol_reg, &val); |
| if (ret) |
| return ret; |
| |
| mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; |
| val = (val & mask) >> info->vol_shift; |
| |
| if (val & 0x4) |
| return info->min_uV + info->step_uV * (3 - (val & ~0x4)); |
| else |
| return (info->max_uV + info->min_uV) / 2 + |
| info->step_uV * (val & ~0x4); |
| } |
| |
| /* DA9034 specific operations */ |
| static int da9034_set_dvc_voltage(struct regulator_dev *rdev, |
| int min_uV, int max_uV) |
| { |
| struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
| struct device *da9034_dev = to_da903x_dev(rdev); |
| uint8_t val, mask; |
| int ret; |
| |
| if (check_range(info, min_uV, max_uV)) { |
| pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV); |
| return -EINVAL; |
| } |
| |
| val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV; |
| val <<= info->vol_shift; |
| mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; |
| |
| ret = da903x_update(da9034_dev, info->vol_reg, val, mask); |
| if (ret) |
| return ret; |
| |
| ret = da903x_set_bits(da9034_dev, info->update_reg, |
| 1 << info->update_bit); |
| return ret; |
| } |
| |
| static int da9034_set_ldo12_voltage(struct regulator_dev *rdev, |
| int min_uV, int max_uV) |
| { |
| struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
| struct device *da9034_dev = to_da903x_dev(rdev); |
| uint8_t val, mask; |
| |
| if (check_range(info, min_uV, max_uV)) { |
| pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV); |
| return -EINVAL; |
| } |
| |
| val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV; |
| val = (val > 7 || val < 20) ? 8 : val - 12; |
| val <<= info->vol_shift; |
| mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; |
| |
| return da903x_update(da9034_dev, info->vol_reg, val, mask); |
| } |
| |
| static int da9034_get_ldo12_voltage(struct regulator_dev *rdev) |
| { |
| struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
| struct device *da9034_dev = to_da903x_dev(rdev); |
| uint8_t val, mask; |
| int ret; |
| |
| ret = da903x_read(da9034_dev, info->vol_reg, &val); |
| if (ret) |
| return ret; |
| |
| mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; |
| val = (val & mask) >> info->vol_shift; |
| |
| if (val >= 8) |
| return 2700000 + info->step_uV * (val - 8); |
| |
| return info->min_uV + info->step_uV * val; |
| } |
| |
| static struct regulator_ops da903x_regulator_ldo_ops = { |
| .set_voltage = da903x_set_ldo_voltage, |
| .get_voltage = da903x_get_voltage, |
| .enable = da903x_enable, |
| .disable = da903x_disable, |
| .is_enabled = da903x_is_enabled, |
| }; |
| |
| /* NOTE: this is dedicated for the insane DA9030 LDO14 */ |
| static struct regulator_ops da9030_regulator_ldo14_ops = { |
| .set_voltage = da9030_set_ldo14_voltage, |
| .get_voltage = da9030_get_ldo14_voltage, |
| .enable = da903x_enable, |
| .disable = da903x_disable, |
| .is_enabled = da903x_is_enabled, |
| }; |
| |
| /* NOTE: this is dedicated for the DA9030 LDO1 and LDO15 that have locks */ |
| static struct regulator_ops da9030_regulator_ldo1_15_ops = { |
| .set_voltage = da9030_set_ldo1_15_voltage, |
| .get_voltage = da903x_get_voltage, |
| .enable = da903x_enable, |
| .disable = da903x_disable, |
| .is_enabled = da903x_is_enabled, |
| }; |
| |
| static struct regulator_ops da9034_regulator_dvc_ops = { |
| .set_voltage = da9034_set_dvc_voltage, |
| .get_voltage = da903x_get_voltage, |
| .enable = da903x_enable, |
| .disable = da903x_disable, |
| .is_enabled = da903x_is_enabled, |
| }; |
| |
| /* NOTE: this is dedicated for the insane LDO12 */ |
| static struct regulator_ops da9034_regulator_ldo12_ops = { |
| .set_voltage = da9034_set_ldo12_voltage, |
| .get_voltage = da9034_get_ldo12_voltage, |
| .enable = da903x_enable, |
| .disable = da903x_disable, |
| .is_enabled = da903x_is_enabled, |
| }; |
| |
| #define DA903x_LDO(_pmic, _id, min, max, step, vreg, shift, nbits, ereg, ebit) \ |
| { \ |
| .desc = { \ |
| .name = "LDO" #_id, \ |
| .ops = &da903x_regulator_ldo_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .id = _pmic##_ID_LDO##_id, \ |
| .owner = THIS_MODULE, \ |
| }, \ |
| .min_uV = (min) * 1000, \ |
| .max_uV = (max) * 1000, \ |
| .step_uV = (step) * 1000, \ |
| .vol_reg = _pmic##_##vreg, \ |
| .vol_shift = (shift), \ |
| .vol_nbits = (nbits), \ |
| .enable_reg = _pmic##_##ereg, \ |
| .enable_bit = (ebit), \ |
| } |
| |
| #define DA9030_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ |
| { \ |
| .desc = { \ |
| .name = #_id, \ |
| .ops = &da9034_regulator_dvc_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .id = DA9030_ID_##_id, \ |
| .owner = THIS_MODULE, \ |
| }, \ |
| .min_uV = (min) * 1000, \ |
| .max_uV = (max) * 1000, \ |
| .step_uV = (step) * 1000, \ |
| .vol_reg = DA9030_##vreg, \ |
| .vol_shift = (0), \ |
| .vol_nbits = (nbits), \ |
| .update_reg = DA9030_##ureg, \ |
| .update_bit = (ubit), \ |
| .enable_reg = DA9030_##ereg, \ |
| .enable_bit = (ebit), \ |
| } |
| |
| #define DA9034_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ |
| { \ |
| .desc = { \ |
| .name = #_id, \ |
| .ops = &da9034_regulator_dvc_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .id = DA9034_ID_##_id, \ |
| .owner = THIS_MODULE, \ |
| }, \ |
| .min_uV = (min) * 1000, \ |
| .max_uV = (max) * 1000, \ |
| .step_uV = (step) * 1000, \ |
| .vol_reg = DA9034_##vreg, \ |
| .vol_shift = (0), \ |
| .vol_nbits = (nbits), \ |
| .update_reg = DA9034_##ureg, \ |
| .update_bit = (ubit), \ |
| .enable_reg = DA9034_##ereg, \ |
| .enable_bit = (ebit), \ |
| } |
| |
| #define DA9035_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ |
| { \ |
| .desc = { \ |
| .name = #_id, \ |
| .ops = &da9034_regulator_dvc_ops, \ |
| .type = REGULATOR_VOLTAGE, \ |
| .id = DA9035_ID_##_id, \ |
| .owner = THIS_MODULE, \ |
| }, \ |
| .min_uV = (min) * 1000, \ |
| .max_uV = (max) * 1000, \ |
| .step_uV = (step) * 1000, \ |
| .vol_reg = DA9035_##vreg, \ |
| .vol_shift = (0), \ |
| .vol_nbits = (nbits), \ |
| .update_reg = DA9035_##ureg, \ |
| .update_bit = (ubit), \ |
| .enable_reg = DA9035_##ereg, \ |
| .enable_bit = (ebit), \ |
| } |
| |
| #define DA9034_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \ |
| DA903x_LDO(DA9034, _id, min, max, step, vreg, shift, nbits, ereg, ebit) |
| |
| #define DA9030_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \ |
| DA903x_LDO(DA9030, _id, min, max, step, vreg, shift, nbits, ereg, ebit) |
| |
| static struct da903x_regulator_info da903x_regulator_info[] = { |
| /* DA9030 */ |
| DA9030_DVC(BUCK2, 850, 1625, 25, BUCK2DVM1, 5, BUCK2DVM1, 7, RCTL11, 0), |
| |
| DA9030_LDO( 1, 1200, 3200, 100, LDO1, 0, 5, RCTL12, 1), |
| DA9030_LDO( 2, 1800, 3200, 100, LDO23, 0, 4, RCTL12, 2), |
| DA9030_LDO( 3, 1800, 3200, 100, LDO23, 4, 4, RCTL12, 3), |
| DA9030_LDO( 4, 1800, 3200, 100, LDO45, 0, 4, RCTL12, 4), |
| DA9030_LDO( 5, 1800, 3200, 100, LDO45, 4, 4, RCTL12, 5), |
| DA9030_LDO( 6, 1800, 3200, 100, LDO6, 0, 4, RCTL12, 6), |
| DA9030_LDO( 7, 1800, 3200, 100, LDO78, 0, 4, RCTL12, 7), |
| DA9030_LDO( 8, 1800, 3200, 100, LDO78, 4, 4, RCTL22, 0), |
| DA9030_LDO( 9, 1800, 3200, 100, LDO912, 0, 4, RCTL22, 1), |
| DA9030_LDO(10, 1800, 3200, 100, LDO1011, 0, 4, RCTL22, 2), |
| DA9030_LDO(11, 1800, 3200, 100, LDO1011, 4, 4, RCTL22, 3), |
| DA9030_LDO(12, 1800, 3200, 100, LDO912, 4, 4, RCTL22, 4), |
| DA9030_LDO(14, 2760, 2940, 30, LDO1416, 0, 3, RCTL11, 4), |
| DA9030_LDO(15, 1100, 2650, 50, LDO15, 0, 5, RCTL11, 5), |
| DA9030_LDO(16, 1100, 2650, 50, LDO1416, 3, 5, RCTL11, 6), |
| DA9030_LDO(17, 1800, 3200, 100, LDO17, 0, 4, RCTL11, 7), |
| DA9030_LDO(18, 1800, 3200, 100, LDO1819, 0, 4, RCTL21, 2), |
| DA9030_LDO(19, 1800, 3200, 100, LDO1819, 4, 4, RCTL21, 1), |
| DA9030_LDO(13, 2100, 2100, 0, INVAL, 0, 0, RCTL11, 3), /* fixed @2.1V */ |
| |
| /* DA9034 */ |
| DA9034_DVC(BUCK1, 725, 1500, 25, ADTV2, 5, VCC1, 0, OVER1, 0), |
| DA9034_DVC(BUCK2, 725, 1500, 25, CDTV2, 5, VCC1, 2, OVER1, 1), |
| DA9034_DVC(LDO2, 725, 1500, 25, SDTV2, 5, VCC1, 4, OVER1, 2), |
| DA9034_DVC(LDO1, 1700, 2075, 25, MDTV1, 4, VCC1, 6, OVER3, 4), |
| |
| DA9034_LDO( 3, 1800, 3300, 100, LDO643, 0, 4, OVER3, 5), |
| DA9034_LDO( 4, 1800, 2900,1100, LDO643, 4, 1, OVER3, 6), |
| DA9034_LDO( 6, 2500, 2850, 50, LDO643, 5, 3, OVER2, 0), |
| DA9034_LDO( 7, 2700, 3050, 50, LDO987, 0, 3, OVER2, 1), |
| DA9034_LDO( 8, 2700, 2850, 50, LDO987, 3, 2, OVER2, 2), |
| DA9034_LDO( 9, 2700, 3050, 50, LDO987, 5, 3, OVER2, 3), |
| DA9034_LDO(10, 2700, 3050, 50, LDO1110, 0, 3, OVER2, 4), |
| DA9034_LDO(11, 1800, 3300, 100, LDO1110, 4, 4, OVER2, 5), |
| DA9034_LDO(12, 1700, 3050, 50, LDO1312, 0, 4, OVER3, 6), |
| DA9034_LDO(13, 1800, 3300, 100, LDO1312, 4, 4, OVER2, 7), |
| DA9034_LDO(14, 1800, 3300, 100, LDO1514, 0, 4, OVER3, 0), |
| DA9034_LDO(15, 1800, 3300, 100, LDO1514, 4, 4, OVER3, 1), |
| DA9034_LDO(5, 3100, 3100, 0, INVAL, 0, 0, OVER3, 7), /* fixed @3.1V */ |
| |
| /* DA9035 */ |
| DA9035_DVC(BUCK3, 1800, 2200, 100, 3DTV1, 3, VCC2, 0, OVER3, 3), |
| }; |
| |
| static inline struct da903x_regulator_info *find_regulator_info(int id) |
| { |
| struct da903x_regulator_info *ri; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(da903x_regulator_info); i++) { |
| ri = &da903x_regulator_info[i]; |
| if (ri->desc.id == id) |
| return ri; |
| } |
| return NULL; |
| } |
| |
| static int __devinit da903x_regulator_probe(struct platform_device *pdev) |
| { |
| struct da903x_regulator_info *ri = NULL; |
| struct regulator_dev *rdev; |
| |
| ri = find_regulator_info(pdev->id); |
| if (ri == NULL) { |
| dev_err(&pdev->dev, "invalid regulator ID specified\n"); |
| return -EINVAL; |
| } |
| |
| /* Workaround for the weird LDO12 voltage setting */ |
| if (ri->desc.id == DA9034_ID_LDO12) |
| ri->desc.ops = &da9034_regulator_ldo12_ops; |
| |
| if (ri->desc.id == DA9030_ID_LDO14) |
| ri->desc.ops = &da9030_regulator_ldo14_ops; |
| |
| if (ri->desc.id == DA9030_ID_LDO1 || ri->desc.id == DA9030_ID_LDO15) |
| ri->desc.ops = &da9030_regulator_ldo1_15_ops; |
| |
| rdev = regulator_register(&ri->desc, &pdev->dev, |
| pdev->dev.platform_data, ri); |
| if (IS_ERR(rdev)) { |
| dev_err(&pdev->dev, "failed to register regulator %s\n", |
| ri->desc.name); |
| return PTR_ERR(rdev); |
| } |
| |
| platform_set_drvdata(pdev, rdev); |
| return 0; |
| } |
| |
| static int __devexit da903x_regulator_remove(struct platform_device *pdev) |
| { |
| struct regulator_dev *rdev = platform_get_drvdata(pdev); |
| |
| regulator_unregister(rdev); |
| return 0; |
| } |
| |
| static struct platform_driver da903x_regulator_driver = { |
| .driver = { |
| .name = "da903x-regulator", |
| .owner = THIS_MODULE, |
| }, |
| .probe = da903x_regulator_probe, |
| .remove = __devexit_p(da903x_regulator_remove), |
| }; |
| |
| static int __init da903x_regulator_init(void) |
| { |
| return platform_driver_register(&da903x_regulator_driver); |
| } |
| subsys_initcall(da903x_regulator_init); |
| |
| static void __exit da903x_regulator_exit(void) |
| { |
| platform_driver_unregister(&da903x_regulator_driver); |
| } |
| module_exit(da903x_regulator_exit); |
| |
| MODULE_LICENSE("GPL"); |
| MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>" |
| "Mike Rapoport <mike@compulab.co.il>"); |
| MODULE_DESCRIPTION("Regulator Driver for Dialog Semiconductor DA903X PMIC"); |
| MODULE_ALIAS("platform:da903x-regulator"); |