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path: root/drivers/regulator/da9055-regulator.c
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Diffstat (limited to 'drivers/regulator/da9055-regulator.c')
-rw-r--r--drivers/regulator/da9055-regulator.c48
1 files changed, 24 insertions, 24 deletions
diff --git a/drivers/regulator/da9055-regulator.c b/drivers/regulator/da9055-regulator.c
index 8fd9ac787588..352547c375bd 100644
--- a/drivers/regulator/da9055-regulator.c
+++ b/drivers/regulator/da9055-regulator.c
@@ -9,7 +9,6 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
-#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
@@ -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;