* [PATCH 6.0 070/289] ARM: dts: at91: sam9g20ek: enable udc vbus gpio pinctrl
[not found] <20221130180544.105550592@linuxfoundation.org>
@ 2022-11-30 18:20 ` Greg Kroah-Hartman
0 siblings, 0 replies; only message in thread
From: Greg Kroah-Hartman @ 2022-11-30 18:20 UTC (permalink / raw)
To: stable
Cc: Sasha Levin, alexandre.belloni, Michael Grzeschik,
Greg Kroah-Hartman, patches, ludovic.desroches, kernel,
Claudiu Beznea, linux-arm-kernel
From: Michael Grzeschik <m.grzeschik@pengutronix.de>
[ 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@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
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 60d61291f344..024af2db638e 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@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
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