ARM: dts: at91: sam9g20ek: enable udc vbus gpio pinctrl

We set the PIOC to GPIO mode. This way the pin becomes an
input signal will be usable by the controller. Without
this change the udc on the 9g20ek does not work.

Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Fixes: 5cb4e73 ("ARM: at91: add at91sam9g20ek boards dt support")
Signed-off-by: Michael Grzeschik <[email protected]>
Signed-off-by: Claudiu Beznea <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: mgrzeschik

arch/arm/boot/dts/at91sam9g20ek_common.dtsi

@@ -39,6 +39,13 @@
 
 				};
 
+				usb1 {
+					pinctrl_usb1_vbus_gpio: usb1_vbus_gpio {
+						atmel,pins =
+							<AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;	/* PC5 GPIO */
+					};
+				};
+
 				mmc0_slot1 {
 					pinctrl_board_mmc0_slot1: mmc0_slot1-board {
 						atmel,pins =
@@ -84,6 +91,8 @@
 			};
 
 			usb1: gadget@fffa4000 {
+				pinctrl-0 = <&pinctrl_usb1_vbus_gpio>;
+				pinctrl-names = "default";
 				atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
 				status = "okay";
 			};