From 40a2226e8bfacb79dd154dea68febeead9d847e9 Mon Sep 17 00:00:00 2001
From: Michael Grzeschik <m.grzeschik@pengutronix.de>
Date: Mon, 14 Nov 2022 19:59:23 +0100
Subject: [PATCH] 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: nicolas.ferre@microchip.com
Cc: ludovic.desroches@microchip.com
Cc: alexandre.belloni@bootlin.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: kernel@pengutronix.de
Fixes: 5cb4e73575e3 ("ARM: at91: add at91sam9g20ek boards dt support")
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20221114185923.1023249-3-m.grzeschik@pengutronix.de
---
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 60d61291f3444..024af2db638eb 100644
--- a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
+++ b/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";
};
--
2.30.2