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pinctrl: iproc: Add 'get_direction' support

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Add 'get_direction' support to the iProc GPIO driver.

Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Link: https://lore.kernel.org/r/1568178685-30738-1-git-send-email-rayagonda.kokatanur@broadcom.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Rayagonda Kokatanur 2019-09-11 10:41:25 +05:30 committed by Linus Walleij
parent 547f073f07
commit 0351827168
1 changed files with 10 additions and 0 deletions
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10
drivers/pinctrl/bcm/pinctrl-iproc-gpio.c
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@ -359,6 +359,15 @@ static int iproc_gpio_direction_output(struct gpio_chip *gc, unsigned gpio,
return 0;
}
static int iproc_gpio_get_direction(struct gpio_chip *gc, unsigned int gpio)
{
struct iproc_gpio *chip = gpiochip_get_data(gc);
unsigned int offset = IPROC_GPIO_REG(gpio, IPROC_GPIO_OUT_EN_OFFSET);
unsigned int shift = IPROC_GPIO_SHIFT(gpio);
return !(readl(chip->base + offset) & BIT(shift));
}
static void iproc_gpio_set(struct gpio_chip *gc, unsigned gpio, int val)
{
struct iproc_gpio *chip = gpiochip_get_data(gc);
@ -835,6 +844,7 @@ static int iproc_gpio_probe(struct platform_device *pdev)
gc->free = iproc_gpio_free;
gc->direction_input = iproc_gpio_direction_input;
gc->direction_output = iproc_gpio_direction_output;
gc->get_direction = iproc_gpio_get_direction;
gc->set = iproc_gpio_set;
gc->get = iproc_gpio_get;