aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpio/gpio-bd70528.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpio/gpio-bd70528.c')
-rw-r--r--drivers/gpio/gpio-bd70528.c59
1 files changed, 27 insertions, 32 deletions
diff --git a/drivers/gpio/gpio-bd70528.c b/drivers/gpio/gpio-bd70528.c
index 45b3da8da336..397a50d6bc65 100644
--- a/drivers/gpio/gpio-bd70528.c
+++ b/drivers/gpio/gpio-bd70528.c
@@ -12,7 +12,8 @@
#define GPIO_OUT_REG(offset) (BD70528_REG_GPIO1_OUT + (offset) * 2)
struct bd70528_gpio {
- struct rohm_regmap_dev chip;
+ struct regmap *regmap;
+ struct device *dev;
struct gpio_chip gpio;
};
@@ -35,11 +36,11 @@ static int bd70528_set_debounce(struct bd70528_gpio *bdgpio,
val = BD70528_DEBOUNCE_50MS;
break;
default:
- dev_err(bdgpio->chip.dev,
+ dev_err(bdgpio->dev,
"Invalid debounce value %u\n", debounce);
return -EINVAL;
}
- return regmap_update_bits(bdgpio->chip.regmap, GPIO_IN_REG(offset),
+ return regmap_update_bits(bdgpio->regmap, GPIO_IN_REG(offset),
BD70528_DEBOUNCE_MASK, val);
}
@@ -49,9 +50,9 @@ static int bd70528_get_direction(struct gpio_chip *chip, unsigned int offset)
int val, ret;
/* Do we need to do something to IRQs here? */
- ret = regmap_read(bdgpio->chip.regmap, GPIO_OUT_REG(offset), &val);
+ ret = regmap_read(bdgpio->regmap, GPIO_OUT_REG(offset), &val);
if (ret) {
- dev_err(bdgpio->chip.dev, "Could not read gpio direction\n");
+ dev_err(bdgpio->dev, "Could not read gpio direction\n");
return ret;
}
if (val & BD70528_GPIO_OUT_EN_MASK)
@@ -67,13 +68,13 @@ static int bd70528_gpio_set_config(struct gpio_chip *chip, unsigned int offset,
switch (pinconf_to_config_param(config)) {
case PIN_CONFIG_DRIVE_OPEN_DRAIN:
- return regmap_update_bits(bdgpio->chip.regmap,
+ return regmap_update_bits(bdgpio->regmap,
GPIO_OUT_REG(offset),
BD70528_GPIO_DRIVE_MASK,
BD70528_GPIO_OPEN_DRAIN);
break;
case PIN_CONFIG_DRIVE_PUSH_PULL:
- return regmap_update_bits(bdgpio->chip.regmap,
+ return regmap_update_bits(bdgpio->regmap,
GPIO_OUT_REG(offset),
BD70528_GPIO_DRIVE_MASK,
BD70528_GPIO_PUSH_PULL);
@@ -93,7 +94,7 @@ static int bd70528_direction_input(struct gpio_chip *chip, unsigned int offset)
struct bd70528_gpio *bdgpio = gpiochip_get_data(chip);
/* Do we need to do something to IRQs here? */
- return regmap_update_bits(bdgpio->chip.regmap, GPIO_OUT_REG(offset),
+ return regmap_update_bits(bdgpio->regmap, GPIO_OUT_REG(offset),
BD70528_GPIO_OUT_EN_MASK,
BD70528_GPIO_OUT_DISABLE);
}
@@ -105,10 +106,10 @@ static void bd70528_gpio_set(struct gpio_chip *chip, unsigned int offset,
struct bd70528_gpio *bdgpio = gpiochip_get_data(chip);
u8 val = (value) ? BD70528_GPIO_OUT_HI : BD70528_GPIO_OUT_LO;
- ret = regmap_update_bits(bdgpio->chip.regmap, GPIO_OUT_REG(offset),
+ ret = regmap_update_bits(bdgpio->regmap, GPIO_OUT_REG(offset),
BD70528_GPIO_OUT_MASK, val);
if (ret)
- dev_err(bdgpio->chip.dev, "Could not set gpio to %d\n", value);
+ dev_err(bdgpio->dev, "Could not set gpio to %d\n", value);
}
static int bd70528_direction_output(struct gpio_chip *chip, unsigned int offset,
@@ -117,7 +118,7 @@ static int bd70528_direction_output(struct gpio_chip *chip, unsigned int offset,
struct bd70528_gpio *bdgpio = gpiochip_get_data(chip);
bd70528_gpio_set(chip, offset, value);
- return regmap_update_bits(bdgpio->chip.regmap, GPIO_OUT_REG(offset),
+ return regmap_update_bits(bdgpio->regmap, GPIO_OUT_REG(offset),
BD70528_GPIO_OUT_EN_MASK,
BD70528_GPIO_OUT_ENABLE);
}
@@ -129,11 +130,11 @@ static int bd70528_gpio_get_o(struct bd70528_gpio *bdgpio, unsigned int offset)
int ret;
unsigned int val;
- ret = regmap_read(bdgpio->chip.regmap, GPIO_OUT_REG(offset), &val);
+ ret = regmap_read(bdgpio->regmap, GPIO_OUT_REG(offset), &val);
if (!ret)
ret = !!(val & BD70528_GPIO_OUT_MASK);
else
- dev_err(bdgpio->chip.dev, "GPIO (out) state read failed\n");
+ dev_err(bdgpio->dev, "GPIO (out) state read failed\n");
return ret;
}
@@ -143,12 +144,12 @@ static int bd70528_gpio_get_i(struct bd70528_gpio *bdgpio, unsigned int offset)
unsigned int val;
int ret;
- ret = regmap_read(bdgpio->chip.regmap, BD70528_REG_GPIO_STATE, &val);
+ ret = regmap_read(bdgpio->regmap, BD70528_REG_GPIO_STATE, &val);
if (!ret)
ret = !(val & GPIO_IN_STATE_MASK(offset));
else
- dev_err(bdgpio->chip.dev, "GPIO (in) state read failed\n");
+ dev_err(bdgpio->dev, "GPIO (in) state read failed\n");
return ret;
}
@@ -173,29 +174,22 @@ static int bd70528_gpio_get(struct gpio_chip *chip, unsigned int offset)
else if (ret == GPIO_LINE_DIRECTION_IN)
ret = bd70528_gpio_get_i(bdgpio, offset);
else
- dev_err(bdgpio->chip.dev, "failed to read GPIO direction\n");
+ dev_err(bdgpio->dev, "failed to read GPIO direction\n");
return ret;
}
static int bd70528_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
struct bd70528_gpio *bdgpio;
- struct rohm_regmap_dev *bd70528;
int ret;
- bd70528 = dev_get_drvdata(pdev->dev.parent);
- if (!bd70528) {
- dev_err(&pdev->dev, "No MFD driver data\n");
- return -EINVAL;
- }
-
- bdgpio = devm_kzalloc(&pdev->dev, sizeof(*bdgpio),
- GFP_KERNEL);
+ bdgpio = devm_kzalloc(dev, sizeof(*bdgpio), GFP_KERNEL);
if (!bdgpio)
return -ENOMEM;
- bdgpio->chip.dev = &pdev->dev;
- bdgpio->gpio.parent = pdev->dev.parent;
+ bdgpio->dev = dev;
+ bdgpio->gpio.parent = dev->parent;
bdgpio->gpio.label = "bd70528-gpio";
bdgpio->gpio.owner = THIS_MODULE;
bdgpio->gpio.get_direction = bd70528_get_direction;
@@ -208,14 +202,15 @@ static int bd70528_probe(struct platform_device *pdev)
bdgpio->gpio.ngpio = 4;
bdgpio->gpio.base = -1;
#ifdef CONFIG_OF_GPIO
- bdgpio->gpio.of_node = pdev->dev.parent->of_node;
+ bdgpio->gpio.of_node = dev->parent->of_node;
#endif
- bdgpio->chip.regmap = bd70528->regmap;
+ bdgpio->regmap = dev_get_regmap(dev->parent, NULL);
+ if (!bdgpio->regmap)
+ return -ENODEV;
- ret = devm_gpiochip_add_data(&pdev->dev, &bdgpio->gpio,
- bdgpio);
+ ret = devm_gpiochip_add_data(dev, &bdgpio->gpio, bdgpio);
if (ret)
- dev_err(&pdev->dev, "gpio_init: Failed to add bd70528-gpio\n");
+ dev_err(dev, "gpio_init: Failed to add bd70528-gpio\n");
return ret;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.