pinctrl: nomadik: implement .get_direction() (67668a57) · Commits · 戴 / test

drivers/pinctrl/nomadik/pinctrl-nomadik.c

+15 −0

Original line number	Diff line number	Diff line
		@@ -861,6 +861,20 @@ static void nmk_gpio_latent_irq_handler(struct irq_desc *desc)

		/* I/O Functions */

		static int nmk_gpio_get_dir(struct gpio_chip *chip, unsigned offset)
		{
		struct nmk_gpio_chip *nmk_chip = gpiochip_get_data(chip);
		int dir;

		clk_enable(nmk_chip->clk);

		dir = !!(readl(nmk_chip->addr + NMK_GPIO_DIR) & BIT(offset));

		clk_disable(nmk_chip->clk);

		return dir;
		}

		static int nmk_gpio_make_input(struct gpio_chip *chip, unsigned offset)
		{
		struct nmk_gpio_chip *nmk_chip = gpiochip_get_data(chip);
		@@ -1220,6 +1234,7 @@ static int nmk_gpio_probe(struct platform_device *dev)
		chip = &nmk_chip->chip;
		chip->request = gpiochip_generic_request;
		chip->free = gpiochip_generic_free;
		chip->get_direction = nmk_gpio_get_dir;
		chip->direction_input = nmk_gpio_make_input;
		chip->get = nmk_gpio_get_input;
		chip->direction_output = nmk_gpio_make_output;