summaryrefslogtreecommitdiff
path: root/drivers/gpio/gpio-bd71828.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpio/gpio-bd71828.c')
-rw-r--r--drivers/gpio/gpio-bd71828.c47
1 files changed, 19 insertions, 28 deletions
diff --git a/drivers/gpio/gpio-bd71828.c b/drivers/gpio/gpio-bd71828.c
index 3dbbc638e9a9..e439dbfffc62 100644
--- a/drivers/gpio/gpio-bd71828.c
+++ b/drivers/gpio/gpio-bd71828.c
@@ -11,14 +11,14 @@
#define HALL_GPIO_OFFSET 3
struct bd71828_gpio {
- struct rohm_regmap_dev chip;
+ struct regmap *regmap;
+ struct device *dev;
struct gpio_chip gpio;
};
-static void bd71828_gpio_set(struct gpio_chip *chip, unsigned int offset,
- int value)
+static int bd71828_gpio_set(struct gpio_chip *chip, unsigned int offset,
+ int value)
{
- int ret;
struct bd71828_gpio *bdgpio = gpiochip_get_data(chip);
u8 val = (value) ? BD71828_GPIO_OUT_HI : BD71828_GPIO_OUT_LO;
@@ -27,12 +27,10 @@ static void bd71828_gpio_set(struct gpio_chip *chip, unsigned int offset,
* we are dealing with - then we are done
*/
if (offset == HALL_GPIO_OFFSET)
- return;
+ return 0;
- ret = regmap_update_bits(bdgpio->chip.regmap, GPIO_OUT_REG(offset),
- BD71828_GPIO_OUT_MASK, val);
- if (ret)
- dev_err(bdgpio->chip.dev, "Could not set gpio to %d\n", value);
+ return regmap_update_bits(bdgpio->regmap, GPIO_OUT_REG(offset),
+ BD71828_GPIO_OUT_MASK, val);
}
static int bd71828_gpio_get(struct gpio_chip *chip, unsigned int offset)
@@ -42,10 +40,10 @@ static int bd71828_gpio_get(struct gpio_chip *chip, unsigned int offset)
struct bd71828_gpio *bdgpio = gpiochip_get_data(chip);
if (offset == HALL_GPIO_OFFSET)
- ret = regmap_read(bdgpio->chip.regmap, BD71828_REG_IO_STAT,
+ ret = regmap_read(bdgpio->regmap, BD71828_REG_IO_STAT,
&val);
else
- ret = regmap_read(bdgpio->chip.regmap, GPIO_OUT_REG(offset),
+ ret = regmap_read(bdgpio->regmap, GPIO_OUT_REG(offset),
&val);
if (!ret)
ret = (val & BD71828_GPIO_OUT_MASK);
@@ -63,12 +61,12 @@ static int bd71828_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),
BD71828_GPIO_DRIVE_MASK,
BD71828_GPIO_OPEN_DRAIN);
case PIN_CONFIG_DRIVE_PUSH_PULL:
- return regmap_update_bits(bdgpio->chip.regmap,
+ return regmap_update_bits(bdgpio->regmap,
GPIO_OUT_REG(offset),
BD71828_GPIO_DRIVE_MASK,
BD71828_GPIO_PUSH_PULL);
@@ -96,22 +94,15 @@ static int bd71828_get_direction(struct gpio_chip *chip, unsigned int offset)
static int bd71828_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
struct bd71828_gpio *bdgpio;
- struct rohm_regmap_dev *bd71828;
-
- bd71828 = dev_get_drvdata(pdev->dev.parent);
- if (!bd71828) {
- 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 = "bd71828-gpio";
bdgpio->gpio.owner = THIS_MODULE;
bdgpio->gpio.get_direction = bd71828_get_direction;
@@ -127,11 +118,11 @@ static int bd71828_probe(struct platform_device *pdev)
* "gpio-reserved-ranges" and exclude them from control
*/
bdgpio->gpio.ngpio = 4;
- bdgpio->gpio.of_node = pdev->dev.parent->of_node;
- bdgpio->chip.regmap = bd71828->regmap;
+ bdgpio->regmap = dev_get_regmap(dev->parent, NULL);
+ if (!bdgpio->regmap)
+ return -ENODEV;
- return devm_gpiochip_add_data(&pdev->dev, &bdgpio->gpio,
- bdgpio);
+ return devm_gpiochip_add_data(dev, &bdgpio->gpio, bdgpio);
}
static struct platform_driver bd71828_gpio = {