To use particular pin GPIO, it needs to be first switched to GPIO by pinctrl. Use pinctrl_gpio_request() and pinctrl_gpio_free() for this purpose.
Signed-off-by: Pali Rohár pali@kernel.org --- drivers/gpio/mvebu_gpio.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/gpio/mvebu_gpio.c b/drivers/gpio/mvebu_gpio.c index 4c1c68ee19ed..888ccfe4d13e 100644 --- a/drivers/gpio/mvebu_gpio.c +++ b/drivers/gpio/mvebu_gpio.c @@ -5,6 +5,7 @@
#include <common.h> #include <dm.h> +#include <dm/pinctrl.h> #include <asm/gpio.h> #include <asm/io.h> #include <errno.h> @@ -99,6 +100,10 @@ static int mvebu_gpio_probe(struct udevice *dev) }
static const struct dm_gpio_ops mvebu_gpio_ops = { +#if CONFIG_IS_ENABLED(PINCTRL_ARMADA_38X) + .request = pinctrl_gpio_request, + .rfree = pinctrl_gpio_free, +#endif .direction_input = mvebu_gpio_direction_input, .direction_output = mvebu_gpio_direction_output, .get_function = mvebu_gpio_get_function,