[PATCH v3 3/3] ARM: dts: at91: sam9g20ek: enable udc vbus gpio pinctrl

[Michael Grzeschik]

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: nicolas.ferre at microchip.com
Cc: ludovic.desroches at microchip.com
Cc: alexandre.belloni at bootlin.com
Cc: linux-arm-kernel at lists.infradead.org
Cc: kernel at pengutronix.de
Fixes: 5cb4e73575e3 ("ARM: at91: add at91sam9g20ek boards dt support")
Signed-off-by: Michael Grzeschik <m.grzeschik at pengutronix.de>

---
v1 -> v2: - aligned pinctrl-0 entry to one line
          - added fixes tag
v2 -> v3: - updated the fixes tag

 arch/arm/boot/dts/at91sam9g20ek_common.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
index 60d61291f34445..024af2db638ebe 100644
--- a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
@@ -39,6 +39,13 @@ pinctrl_pck0_as_mck: pck0_as_mck {
 
 				};
 
+				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 @@ macb0: ethernet at fffc4000 {
 			};
 
 			usb1: gadget at fffa4000 {
+				pinctrl-0 = <&pinctrl_usb1_vbus_gpio>;
+				pinctrl-names = "default";
 				atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
 				status = "okay";
 			};
-- 
2.30.2