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

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Message-ID: <20201118120019.1257580-4-cristian.birsan@microchip.com>
Date:   Wed, 18 Nov 2020 14:00:19 +0200
From:   <cristian.birsan@...rochip.com>
To:     <alexandre.belloni@...tlin.com>, <nicolas.ferre@...rochip.com>,
        <ludovic.desroches@...rochip.com>, <robh+dt@...nel.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Cristian Birsan <cristian.birsan@...rochip.com>
Subject: [PATCH 3/3] ARM: dts: at91: sama5d3_xplained: add pincontrol for USB Host

From: Cristian Birsan <cristian.birsan@...rochip.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@...rochip.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@...000 {
 					   &pioE 3 GPIO_ACTIVE_LOW
 					   &pioE 4 GPIO_ACTIVE_LOW
 					  >;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usb_default>;
 			status = "okay";
 		};
 
-- 
2.25.1