Commit 03518271 authored by Rayagonda Kokatanur's avatar Rayagonda Kokatanur Committed by Linus Walleij
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pinctrl: iproc: Add 'get_direction' support 



Add 'get_direction' support to the iProc GPIO driver.

Signed-off-by: default avatarRayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Link: https://lore.kernel.org/r/1568178685-30738-1-git-send-email-rayagonda.kokatanur@broadcom.com


Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 547f073f

drivers/pinctrl/bcm/pinctrl-iproc-gpio.c

+10 −0
Original line number Diff line number Diff line
@@ -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;

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