linux-kernel - [PATCH 1/3] ARM: dts: sam9x60: add pincontrol for USB Host

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Message-ID: <20201118120019.1257580-2-cristian.birsan@microchip.com>
Date:   Wed, 18 Nov 2020 14:00:17 +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 1/3] ARM: dts: sam9x60: 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: 1e5f532c2737 ("ARM: dts: at91: sam9x60: add device tree for soc and board")
Signed-off-by: Cristian Birsan <cristian.birsan@...rochip.com>
---
 arch/arm/boot/dts/at91-sam9x60ek.dts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/at91-sam9x60ek.dts b/arch/arm/boot/dts/at91-sam9x60ek.dts
index eae28b82c7fd..0e3b6147069f 100644
--- a/arch/arm/boot/dts/at91-sam9x60ek.dts
+++ b/arch/arm/boot/dts/at91-sam9x60ek.dts
@@ -569,6 +569,13 @@ pinctrl_usba_vbus: usba_vbus {
 			atmel,pins = <AT91_PIOB 16 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
 		};
 	};
+
+	usb1 {
+		pinctrl_usb_default: usb_default {
+			atmel,pins = <AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+				      AT91_PIOD 16 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+		};
+	};
 }; /* pinctrl */
 
 &pmc {
@@ -684,6 +691,8 @@ &usb1 {
 	atmel,vbus-gpio = <0
 			   &pioD 15 GPIO_ACTIVE_HIGH
 			   &pioD 16 GPIO_ACTIVE_HIGH>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usb_default>;
 	status = "okay";
 };
 
-- 
2.25.1