gpio: mvebu_gpio: Add .request and .rfree methods for Armada 38x

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>
Reviewed-by: Stefan Roese <sr@denx.de>

diff --git a/drivers/gpio/mvebu_gpio.c b/drivers/gpio/mvebu_gpio.c
index 4c1c68e..888ccfe 100644 (file)
--- 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,