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| author | Linus Walleij <linus.walleij@linaro.org> | 2018-05-14 10:06:29 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-05-24 16:50:36 +0100 |
| commit | d7a261c2d1f233260c48651b4e68987ce1206139 (patch) | |
| tree | 5d5cd25af4d10d2d180c7736dd507e03108438d9 | |
| parent | 2468f0d51548b23507ceb3bba5f4e3acaea117ba (diff) | |
| download | linux-d7a261c2d1f233260c48651b4e68987ce1206139.tar.gz linux-d7a261c2d1f233260c48651b4e68987ce1206139.tar.bz2 linux-d7a261c2d1f233260c48651b4e68987ce1206139.zip | |
regulator: max8952: Pass descriptor instead of GPIO number
Instead of passing a global GPIO number for the enable GPIO, pass
a descriptor looked up with the standard devm_gpiod_get_optional()
call.
All users of this regulator use device tree so the transition is
pretty smooth.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | drivers/regulator/max8952.c | 18 | ||||
| -rw-r--r-- | include/linux/regulator/max8952.h | 1 |
2 files changed, 13 insertions, 6 deletions
diff --git a/drivers/regulator/max8952.c b/drivers/regulator/max8952.c index 1096546c05e9..f1e77ed5dfec 100644 --- a/drivers/regulator/max8952.c +++ b/drivers/regulator/max8952.c @@ -27,6 +27,7 @@ #include <linux/regulator/driver.h> #include <linux/regulator/max8952.h> #include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/io.h> #include <linux/of.h> #include <linux/of_gpio.h> @@ -148,7 +149,6 @@ static struct max8952_platform_data *max8952_parse_dt(struct device *dev) pd->gpio_vid0 = of_get_named_gpio(np, "max8952,vid-gpios", 0); pd->gpio_vid1 = of_get_named_gpio(np, "max8952,vid-gpios", 1); - pd->gpio_en = of_get_named_gpio(np, "max8952,en-gpio", 0); if (of_property_read_u32(np, "max8952,default-mode", &pd->default_mode)) dev_warn(dev, "Default mode not specified, assuming 0\n"); @@ -197,6 +197,8 @@ static int max8952_pmic_probe(struct i2c_client *client, struct regulator_config config = { }; struct max8952_data *max8952; struct regulator_dev *rdev; + struct gpio_desc *gpiod; + enum gpiod_flags gflags; int ret = 0, err = 0; @@ -224,11 +226,17 @@ static int max8952_pmic_probe(struct i2c_client *client, config.driver_data = max8952; config.of_node = client->dev.of_node; - config.ena_gpio = pdata->gpio_en; - if (client->dev.of_node) - config.ena_gpio_initialized = true; if (pdata->reg_data->constraints.boot_on) - config.ena_gpio_flags |= GPIOF_OUT_INIT_HIGH; + gflags = GPIOD_OUT_HIGH; + else + gflags = GPIOD_OUT_LOW; + gpiod = devm_gpiod_get_optional(&client->dev, + "max8952,en", + gflags); + if (IS_ERR(gpiod)) + return PTR_ERR(gpiod); + if (gpiod) + config.ena_gpiod = gpiod; rdev = devm_regulator_register(&client->dev, ®ulator, &config); if (IS_ERR(rdev)) { diff --git a/include/linux/regulator/max8952.h b/include/linux/regulator/max8952.h index 4dbb63a1d4ab..686c42c041b5 100644 --- a/include/linux/regulator/max8952.h +++ b/include/linux/regulator/max8952.h @@ -120,7 +120,6 @@ enum { struct max8952_platform_data { int gpio_vid0; int gpio_vid1; - int gpio_en; u32 default_mode; u32 dvs_mode[MAX8952_NUM_DVS_MODE]; /* MAX8952_DVS_MODEx_XXXXmV */ |