| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Eric Miao | 2199 | 78.99% | 1 | 3.45% |
| Axel Lin | 299 | 10.74% | 12 | 41.38% |
| Haojian Zhuang | 152 | 5.46% | 4 | 13.79% |
| Mike Rapoport | 48 | 1.72% | 3 | 10.34% |
| Mark Brown | 41 | 1.47% | 4 | 13.79% |
| Jonathan Cameron | 32 | 1.15% | 1 | 3.45% |
| Julia Lawall | 5 | 0.18% | 1 | 3.45% |
| Jingoo Han | 4 | 0.14% | 1 | 3.45% |
| Paul Gortmaker | 3 | 0.11% | 1 | 3.45% |
| Rajendra Nayak | 1 | 0.04% | 1 | 3.45% |
| Total | 2784 | 29 |
// SPDX-License-Identifier: GPL-2.0 // // Regulators driver for Dialog Semiconductor DA903x // // Copyright (C) 2006-2008 Marvell International Ltd. // Copyright (C) 2008 Compulab Ltd. #include <linux/kernel.h> #include <linux/init.h> #include <linux/err.h> #include <linux/module.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 max_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->desc.min_uV || min_uV > info->max_uV) return -EINVAL; return 0; } /* DA9030/DA9034 common operations */ static int da903x_set_voltage_sel(struct regulator_dev *rdev, unsigned selector) { struct da903x_regulator_info *info = rdev_get_drvdata(rdev); struct device *da9034_dev = to_da903x_dev(rdev); uint8_t val, mask; if (rdev->desc->n_voltages == 1) return -EINVAL; val = selector << 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_sel(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; if (rdev->desc->n_voltages == 1) return 0; 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 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_sel(struct regulator_dev *rdev, unsigned selector) { struct da903x_regulator_info *info = rdev_get_drvdata(rdev); struct device *da903x_dev = to_da903x_dev(rdev); uint8_t val, mask; int ret; val = selector << 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_map_ldo14_voltage(struct regulator_dev *rdev, int min_uV, int max_uV) { struct da903x_regulator_info *info = rdev_get_drvdata(rdev); int thresh, sel; 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->desc.min_uV) / 2; if (min_uV < thresh) { sel = DIV_ROUND_UP(thresh - min_uV, info->desc.uV_step); sel |= 0x4; } else { sel = DIV_ROUND_UP(min_uV - thresh, info->desc.uV_step); } return sel; } static int da9030_list_ldo14_voltage(struct regulator_dev *rdev, unsigned selector) { struct da903x_regulator_info *info = rdev_get_drvdata(rdev); int volt; if (selector & 0x4) volt = rdev->desc->min_uV + rdev->desc->uV_step * (3 - (selector & ~0x4)); else volt = (info->max_uV + rdev->desc->min_uV) / 2 + rdev->desc->uV_step * (selector & ~0x4); if (volt > info->max_uV) return -EINVAL; return volt; } /* DA9034 specific operations */ static int da9034_set_dvc_voltage_sel(struct regulator_dev *rdev, unsigned selector) { struct da903x_regulator_info *info = rdev_get_drvdata(rdev); struct device *da9034_dev = to_da903x_dev(rdev); uint8_t val, mask; int ret; val = selector << 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 const struct regulator_linear_range da9034_ldo12_ranges[] = { REGULATOR_LINEAR_RANGE(1700000, 0, 7, 50000), REGULATOR_LINEAR_RANGE(2700000, 8, 15, 50000), }; static const struct regulator_ops da903x_regulator_ldo_ops = { .set_voltage_sel = da903x_set_voltage_sel, .get_voltage_sel = da903x_get_voltage_sel, .list_voltage = regulator_list_voltage_linear, .map_voltage = regulator_map_voltage_linear, .enable = da903x_enable, .disable = da903x_disable, .is_enabled = da903x_is_enabled, }; /* NOTE: this is dedicated for the insane DA9030 LDO14 */ static const struct regulator_ops da9030_regulator_ldo14_ops = { .set_voltage_sel = da903x_set_voltage_sel, .get_voltage_sel = da903x_get_voltage_sel, .list_voltage = da9030_list_ldo14_voltage, .map_voltage = da9030_map_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 const struct regulator_ops da9030_regulator_ldo1_15_ops = { .set_voltage_sel = da9030_set_ldo1_15_voltage_sel, .get_voltage_sel = da903x_get_voltage_sel, .list_voltage = regulator_list_voltage_linear, .map_voltage = regulator_map_voltage_linear, .enable = da903x_enable, .disable = da903x_disable, .is_enabled = da903x_is_enabled, }; static const struct regulator_ops da9034_regulator_dvc_ops = { .set_voltage_sel = da9034_set_dvc_voltage_sel, .get_voltage_sel = da903x_get_voltage_sel, .list_voltage = regulator_list_voltage_linear, .map_voltage = regulator_map_voltage_linear, .enable = da903x_enable, .disable = da903x_disable, .is_enabled = da903x_is_enabled, }; /* NOTE: this is dedicated for the insane LDO12 */ static const struct regulator_ops da9034_regulator_ldo12_ops = { .set_voltage_sel = da903x_set_voltage_sel, .get_voltage_sel = da903x_get_voltage_sel, .list_voltage = regulator_list_voltage_linear_range, .map_voltage = regulator_map_voltage_linear_range, .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, \ .n_voltages = (step) ? ((max - min) / step + 1) : 1, \ .owner = THIS_MODULE, \ .min_uV = (min) * 1000, \ .uV_step = (step) * 1000, \ }, \ .max_uV = (max) * 1000, \ .vol_reg = _pmic##_##vreg, \ .vol_shift = (shift), \ .vol_nbits = (nbits), \ .enable_reg = _pmic##_##ereg, \ .enable_bit = (ebit), \ } #define DA903x_DVC(_pmic, _id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ { \ .desc = { \ .name = #_id, \ .ops = &da9034_regulator_dvc_ops, \ .type = REGULATOR_VOLTAGE, \ .id = _pmic##_ID_##_id, \ .n_voltages = (step) ? ((max - min) / step + 1) : 1, \ .owner = THIS_MODULE, \ .min_uV = (min) * 1000, \ .uV_step = (step) * 1000, \ }, \ .max_uV = (max) * 1000, \ .vol_reg = _pmic##_##vreg, \ .vol_shift = (0), \ .vol_nbits = (nbits), \ .update_reg = _pmic##_##ureg, \ .update_bit = (ubit), \ .enable_reg = _pmic##_##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) #define DA9030_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ DA903x_DVC(DA9030, _id, min, max, step, vreg, nbits, ureg, ubit, \ ereg, ebit) #define DA9034_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ DA903x_DVC(DA9034, _id, min, max, step, vreg, nbits, ureg, ubit, \ ereg, ebit) #define DA9035_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ DA903x_DVC(DA9035, _id, min, max, step, vreg, nbits, ureg, ubit, \ 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 da903x_regulator_probe(struct platform_device *pdev) { struct da903x_regulator_info *ri = NULL; struct regulator_dev *rdev; struct regulator_config config = { }; 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; ri->desc.n_voltages = 16; ri->desc.linear_ranges = da9034_ldo12_ranges; ri->desc.n_linear_ranges = ARRAY_SIZE(da9034_ldo12_ranges); } 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; config.dev = &pdev->dev; config.init_data = dev_get_platdata(&pdev->dev); config.driver_data = ri; rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config); 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 struct platform_driver da903x_regulator_driver = { .driver = { .name = "da903x-regulator", }, .probe = da903x_regulator_probe, }; 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");
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