diff options
author | Seth Forshee <seth.forshee@canonical.com> | 2020-06-24 12:10:10 -0500 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2020-06-25 15:29:21 +0100 |
commit | f16861b12fa05717489e0c8fbe93a0b9346a6839 (patch) | |
tree | 19054233eeee19d472decdc9d7d35367850380a0 /drivers/regulator/da903x.c | |
parent | 0d46f69881c34351b6ec523c31225b90ea89ee20 (diff) |
regulator: rename da903x to da903x-regulator
This module shares the same name as its parent PMIC driver, which
confuses tools like kmod. Rename the regulator driver to avoid
such problems.
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Link: https://lore.kernel.org/r/20200624171010.845271-1-seth.forshee@canonical.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator/da903x.c')
-rw-r--r-- | drivers/regulator/da903x.c | 494 |
1 files changed, 0 insertions, 494 deletions
diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c deleted file mode 100644 index 770e694824ac..000000000000 --- a/drivers/regulator/da903x.c +++ /dev/null @@ -1,494 +0,0 @@ -// 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 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"); |