diff options
Diffstat (limited to 'drivers/regulator/rk808-regulator.c')
| -rw-r--r-- | drivers/regulator/rk808-regulator.c | 43 |
1 files changed, 21 insertions, 22 deletions
diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c index 14b60abd6afc..7d82bd1b36df 100644 --- a/drivers/regulator/rk808-regulator.c +++ b/drivers/regulator/rk808-regulator.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * Regulator driver for Rockchip RK805/RK808/RK818 + * Regulator driver for Rockchip RK80x and RK81x PMIC series * * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd * Copyright (c) 2021 Rockchip Electronics Co., Ltd. @@ -23,7 +23,7 @@ #include <linux/regulator/of_regulator.h> #include <linux/gpio/consumer.h> -/* Field Definitions */ +/* Field definitions */ #define RK808_BUCK_VSEL_MASK 0x3f #define RK808_BUCK4_VSEL_MASK 0xf #define RK808_LDO_VSEL_MASK 0x1f @@ -1379,6 +1379,8 @@ static const struct regulator_desc rk809_reg[] = { .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges), .vsel_reg = RK817_BUCK3_ON_VSEL_REG, .vsel_mask = RK817_BUCK_VSEL_MASK, + .apply_reg = RK817_POWER_CONFIG, + .apply_bit = RK817_BUCK3_FB_RES_INTER, .enable_reg = RK817_POWER_EN_REG(0), .enable_mask = ENABLE_MASK(RK817_ID_DCDC3), .enable_val = ENABLE_MASK(RK817_ID_DCDC3), @@ -1829,9 +1831,8 @@ static const struct regulator_desc rk818_reg[] = { RK818_DCDC_EN_REG, BIT(7)), }; -static int rk808_regulator_dt_parse_pdata(struct device *dev, - struct regmap *map, - struct rk808_regulator_data *pdata) +static int rk808_regulator_dt_parse_pdata(struct device *dev, struct regmap *map, + struct rk808_regulator_data *pdata) { struct device_node *np; int tmp, ret = 0, i; @@ -1842,23 +1843,21 @@ static int rk808_regulator_dt_parse_pdata(struct device *dev, for (i = 0; i < ARRAY_SIZE(pdata->dvs_gpio); i++) { pdata->dvs_gpio[i] = - devm_gpiod_get_index_optional(dev, "dvs", i, - GPIOD_OUT_LOW); + devm_gpiod_get_index_optional(dev, "dvs", i, GPIOD_OUT_LOW); if (IS_ERR(pdata->dvs_gpio[i])) { - ret = PTR_ERR(pdata->dvs_gpio[i]); - dev_err(dev, "failed to get dvs%d gpio (%d)\n", i, ret); + ret = dev_err_probe(dev, PTR_ERR(pdata->dvs_gpio[i]), + "failed to get dvs%d gpio\n", i); goto dt_parse_end; } if (!pdata->dvs_gpio[i]) { - dev_info(dev, "there is no dvs%d gpio\n", i); + dev_dbg(dev, "there is no dvs%d gpio\n", i); continue; } tmp = i ? RK808_DVS2_POL : RK808_DVS1_POL; ret = regmap_update_bits(map, RK808_IO_POL_REG, tmp, - gpiod_is_active_low(pdata->dvs_gpio[i]) ? - 0 : tmp); + gpiod_is_active_low(pdata->dvs_gpio[i]) ? 0 : tmp); } dt_parse_end: @@ -1887,12 +1886,6 @@ static int rk808_regulator_probe(struct platform_device *pdev) if (!pdata) return -ENOMEM; - ret = rk808_regulator_dt_parse_pdata(&pdev->dev, regmap, pdata); - if (ret < 0) - return ret; - - platform_set_drvdata(pdev, pdata); - switch (rk808->variant) { case RK805_ID: regulators = rk805_reg; @@ -1903,6 +1896,11 @@ static int rk808_regulator_probe(struct platform_device *pdev) nregulators = ARRAY_SIZE(rk806_reg); break; case RK808_ID: + /* DVS0/1 GPIOs are supported on the RK808 only */ + ret = rk808_regulator_dt_parse_pdata(&pdev->dev, regmap, pdata); + if (ret < 0) + return ret; + regulators = rk808_reg; nregulators = RK808_NUM_REGULATORS; break; @@ -1923,11 +1921,12 @@ static int rk808_regulator_probe(struct platform_device *pdev) nregulators = RK818_NUM_REGULATORS; break; default: - dev_err(&pdev->dev, "unsupported RK8XX ID %lu\n", - rk808->variant); - return -EINVAL; + return dev_err_probe(&pdev->dev, -EINVAL, + "unsupported RK8xx ID %lu\n", rk808->variant); } + platform_set_drvdata(pdev, pdata); + config.dev = &pdev->dev; config.driver_data = pdata; config.regmap = regmap; @@ -1954,7 +1953,7 @@ static struct platform_driver rk808_regulator_driver = { module_platform_driver(rk808_regulator_driver); -MODULE_DESCRIPTION("regulator driver for the RK805/RK808/RK818 series PMICs"); +MODULE_DESCRIPTION("Rockchip RK80x/RK81x PMIC series regulator driver"); MODULE_AUTHOR("Tony xie <tony.xie@rock-chips.com>"); MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>"); MODULE_AUTHOR("Zhang Qing <zhangqing@rock-chips.com>"); |