diff --git a/drivers/regulator/da9055-regulator.c b/drivers/regulator/da9055-regulator.c index 8fd9ac7875888..352547c375bd7 100644 --- a/drivers/regulator/da9055-regulator.c +++ b/drivers/regulator/da9055-regulator.c @@ -9,7 +9,6 @@ #include #include #include -#include #include #include #include @@ -413,31 +412,35 @@ static struct da9055_regulator_info da9055_regulator_info[] = { * GPIO can control regulator state and/or select the regulator register * set A/B for voltage ramping. */ -static int da9055_gpio_init(struct da9055_regulator *regulator, +static int da9055_gpio_init(struct device *dev, + struct da9055_regulator *regulator, struct regulator_config *config, struct da9055_pdata *pdata, int id) { struct da9055_regulator_info *info = regulator->info; + struct gpio_desc *ren; + struct gpio_desc *ena; + struct gpio_desc *rsel; int ret = 0; - if (!pdata) - return 0; + /* Look for "regulator-enable-gpios" GPIOs in the regulator node */ + ren = devm_gpiod_get_optional(dev, "regulator-enable", GPIOD_IN); + if (IS_ERR(ren)) + return PTR_ERR(ren); - if (pdata->gpio_ren && pdata->gpio_ren[id]) { - char name[18]; - int gpio_mux = pdata->gpio_ren[id]; + if (ren) { + /* This GPIO is not optional at this point */ + ena = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH); + if (IS_ERR(ena)) + return PTR_ERR(ena); - config->ena_gpiod = pdata->ena_gpiods[id]; + config->ena_gpiod = ena; /* * GPI pin is muxed with regulator to control the * regulator state. */ - sprintf(name, "DA9055 GPI %d", gpio_mux); - ret = devm_gpio_request_one(config->dev, gpio_mux, GPIOF_DIR_IN, - name); - if (ret < 0) - goto err; + gpiod_set_consumer_name(ren, "DA9055 ren GPI"); /* * Let the regulator know that its state is controlled @@ -448,24 +451,22 @@ static int da9055_gpio_init(struct da9055_regulator *regulator, pdata->reg_ren[id] << DA9055_E_GPI_SHIFT); if (ret < 0) - goto err; + return ret; } - if (pdata->gpio_rsel && pdata->gpio_rsel[id]) { - char name[18]; - int gpio_mux = pdata->gpio_rsel[id]; + /* Look for "regulator-select-gpios" GPIOs in the regulator node */ + rsel = devm_gpiod_get_optional(dev, "regulator-select", GPIOD_IN); + if (IS_ERR(rsel)) + return PTR_ERR(rsel); + if (rsel) { regulator->reg_rselect = pdata->reg_rsel[id]; /* * GPI pin is muxed with regulator to select the * regulator register set A/B for voltage ramping. */ - sprintf(name, "DA9055 GPI %d", gpio_mux); - ret = devm_gpio_request_one(config->dev, gpio_mux, GPIOF_DIR_IN, - name); - if (ret < 0) - goto err; + gpiod_set_consumer_name(rsel, "DA9055 rsel GPI"); /* * Let the regulator know that its register set A/B @@ -477,7 +478,6 @@ static int da9055_gpio_init(struct da9055_regulator *regulator, << DA9055_V_GPI_SHIFT); } -err: return ret; } @@ -532,7 +532,7 @@ static int da9055_regulator_probe(struct platform_device *pdev) if (pdata) config.init_data = pdata->regulators[pdev->id]; - ret = da9055_gpio_init(regulator, &config, pdata, pdev->id); + ret = da9055_gpio_init(&pdev->dev, regulator, &config, pdata, pdev->id); if (ret < 0) return ret; diff --git a/include/linux/mfd/da9055/pdata.h b/include/linux/mfd/da9055/pdata.h index d3f126990ad05..137a2b0675128 100644 --- a/include/linux/mfd/da9055/pdata.h +++ b/include/linux/mfd/da9055/pdata.h @@ -7,7 +7,6 @@ #define DA9055_MAX_REGULATORS 8 struct da9055; -struct gpio_desc; enum gpio_select { NO_GPIO = 0, @@ -23,16 +22,6 @@ struct da9055_pdata { struct regulator_init_data *regulators[DA9055_MAX_REGULATORS]; /* Enable RTC in RESET Mode */ bool reset_enable; - /* - * GPI muxed pin to control - * regulator state A/B, 0 if not available. - */ - int *gpio_ren; - /* - * GPI muxed pin to control - * regulator set, 0 if not available. - */ - int *gpio_rsel; /* * Regulator mode control bits value (GPI offset) that * controls the regulator state, 0 if not available. @@ -43,7 +32,5 @@ struct da9055_pdata { * controls the regulator set A/B, 0 if not available. */ enum gpio_select *reg_rsel; - /* GPIO descriptors to enable regulator, NULL if not available */ - struct gpio_desc **ena_gpiods; }; #endif /* __DA9055_PDATA_H */