From: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
[ Upstream commit 40a2226e8bfacb79dd154dea68febeead9d847e9 ]
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@xxxxxxxxxxxxx
Cc: ludovic.desroches@xxxxxxxxxxxxx
Cc: alexandre.belloni@xxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: kernel@xxxxxxxxxxxxxx
Fixes: 5cb4e73575e3 ("ARM: at91: add at91sam9g20ek boards dt support")
Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20221114185923.1023249-3-m.grzeschik@xxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 ac9a1511e239..b90fc60f2d75 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 =
@@ -72,6 +79,8 @@ macb0: ethernet@fffc4000 {
};
usb1: gadget@fffa4000 {
+ pinctrl-0 = <&pinctrl_usb1_vbus_gpio>;
+ pinctrl-names = "default";
atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
status = "okay";
};
--
2.35.1
