[PATCH 3/3] ARM: dts: at91: sama5d3_xplained: add pincontrol for USB Host

cristian.birsan at microchip.com cristian.birsan at microchip.com
Wed Nov 18 07:00:19 EST 2020


From: Cristian Birsan <cristian.birsan at microchip.com>

The pincontrol node is needed for USB Host since Linux v5.7-rc1. Without
it the driver probes but VBus is not powered because of wrong pincontrol
configuration.

Fixes: b7c2b61570798 ("ARM: at91: add Atmel's SAMA5D3 Xplained board")
Signed-off-by: Cristian Birsan <cristian.birsan at microchip.com>
---
 arch/arm/boot/dts/at91-sama5d3_xplained.dts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/at91-sama5d3_xplained.dts b/arch/arm/boot/dts/at91-sama5d3_xplained.dts
index cf13632edd44..5179258f9247 100644
--- a/arch/arm/boot/dts/at91-sama5d3_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d3_xplained.dts
@@ -242,6 +242,11 @@ pinctrl_usba_vbus: usba_vbus {
 						atmel,pins =
 							<AT91_PIOE 9 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;	/* PE9, conflicts with A9 */
 					};
+					pinctrl_usb_default: usb_default {
+						atmel,pins =
+							<AT91_PIOE 3 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+							 AT91_PIOE 4 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+					};
 				};
 			};
 		};
@@ -259,6 +264,8 @@ usb1: ohci at 600000 {
 					   &pioE 3 GPIO_ACTIVE_LOW
 					   &pioE 4 GPIO_ACTIVE_LOW
 					  >;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usb_default>;
 			status = "okay";
 		};
 
-- 
2.25.1




More information about the linux-arm-kernel mailing list