diff options
Diffstat (limited to 'drivers/gpio/gpio-bd70528.c')
-rw-r--r-- | drivers/gpio/gpio-bd70528.c | 46 |
1 files changed, 21 insertions, 25 deletions
diff --git a/drivers/gpio/gpio-bd70528.c b/drivers/gpio/gpio-bd70528.c index 45b3da8da336..276a0fe6346d 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; } @@ -173,7 +174,7 @@ 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; } @@ -181,20 +182,13 @@ static int bd70528_gpio_get(struct gpio_chip *chip, unsigned int offset) static int bd70528_probe(struct platform_device *pdev) { 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); if (!bdgpio) return -ENOMEM; - bdgpio->chip.dev = &pdev->dev; + bdgpio->dev = &pdev->dev; bdgpio->gpio.parent = pdev->dev.parent; bdgpio->gpio.label = "bd70528-gpio"; bdgpio->gpio.owner = THIS_MODULE; @@ -210,7 +204,9 @@ static int bd70528_probe(struct platform_device *pdev) #ifdef CONFIG_OF_GPIO bdgpio->gpio.of_node = pdev->dev.parent->of_node; #endif - bdgpio->chip.regmap = bd70528->regmap; + bdgpio->regmap = dev_get_regmap(pdev->dev.parent, NULL); + if (!bdgpio->regmap) + return -ENODEV; ret = devm_gpiochip_add_data(&pdev->dev, &bdgpio->gpio, bdgpio); |