[PATCH 14/21] regulator: s5m8767: Pass descriptor instead of GPIO number
From: Linus Walleij <hidden>
Date: 2018-02-12 13:18:07
Also in:
lkml
Subsystem:
multifunction devices (mfd), samsung multifunction pmic device drivers, the rest, voltage and current regulator framework · Maintainers:
Lee Jones, André Draszik, Linus Torvalds, Liam Girdwood, Mark Brown
Instead of passing a global GPIO number for the enable GPIO, pass a descriptor looked up from the device tree node for the regulator. This regulator supports passing platform data, but enable/sleep regulators are looked up from the device tree exclusively, so we can need not touch other files. Cc: Lee Jones <redacted> Signed-off-by: Linus Walleij <redacted> --- Lee: would be nice if you could ACK this smallish patch to the MFD header. --- drivers/regulator/s5m8767.c | 26 +++++++++++++++----------- include/linux/mfd/samsung/core.h | 4 +++- 2 files changed, 18 insertions(+), 12 deletions(-)
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 4836947e1521..b8443a360646 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c@@ -13,6 +13,7 @@ #include <linux/err.h> #include <linux/of_gpio.h> +#include <linux/gpio/consumer.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h>
@@ -459,15 +460,14 @@ static void s5m8767_regulator_config_ext_control(struct s5m8767_info *s5m8767, return; } - if (!gpio_is_valid(rdata->ext_control_gpio)) { + if (!rdata->ext_control_gpiod) { dev_warn(s5m8767->dev, "ext-control for %s: GPIO not valid, ignoring\n", - rdata->reg_node->name); + rdata->reg_node->name); return; } - config->ena_gpio = rdata->ext_control_gpio; - config->ena_gpio_flags = GPIOF_OUT_INIT_HIGH; + config->ena_gpiod = rdata->ext_control_gpiod; } /*
@@ -577,8 +577,14 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev, continue; } - rdata->ext_control_gpio = of_get_named_gpio(reg_np, - "s5m8767,pmic-ext-control-gpios", 0); + rdata->ext_control_gpiod = devm_gpiod_get_from_of_node(&pdev->dev, + reg_np, + "s5m8767,pmic-ext-control-gpios", + 0, + GPIOD_OUT_HIGH, + "s5m8767"); + if (IS_ERR(rdata->ext_control_gpiod)) + return PTR_ERR(rdata->ext_control_gpiod); rdata->id = i; rdata->initdata = of_get_regulator_init_data(
@@ -954,10 +960,8 @@ static int s5m8767_pmic_probe(struct platform_device *pdev) config.driver_data = s5m8767; config.regmap = iodev->regmap_pmic; config.of_node = pdata->regulators[i].reg_node; - config.ena_gpio = -EINVAL; - config.ena_gpio_flags = 0; - config.ena_gpio_initialized = true; - if (gpio_is_valid(pdata->regulators[i].ext_control_gpio)) + config.ena_gpiod = NULL; + if (pdata->regulators[i].ext_control_gpiod) s5m8767_regulator_config_ext_control(s5m8767, &pdata->regulators[i], &config);
@@ -970,7 +974,7 @@ static int s5m8767_pmic_probe(struct platform_device *pdev) return ret; } - if (gpio_is_valid(pdata->regulators[i].ext_control_gpio)) { + if (pdata->regulators[i].ext_control_gpiod) { ret = s5m8767_enable_ext_control(s5m8767, rdev); if (ret < 0) { dev_err(s5m8767->dev,
diff --git a/include/linux/mfd/samsung/core.h b/include/linux/mfd/samsung/core.h
index 5a23dd4df432..28f4ae76271d 100644
--- a/include/linux/mfd/samsung/core.h
+++ b/include/linux/mfd/samsung/core.h@@ -39,6 +39,8 @@ #define STEP_12_5_MV 12500 #define STEP_6_25_MV 6250 +struct gpio_desc; + enum sec_device_type { S5M8751X, S5M8763X,
@@ -151,7 +153,7 @@ struct sec_regulator_data { int id; struct regulator_init_data *initdata; struct device_node *reg_node; - int ext_control_gpio; + struct gpio_desc *ext_control_gpiod; }; /*
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2.14.3