linux-kernel - [PATCH 4/5] ARM: dts: imx50-kobo-aura: Enable USB support

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Message-Id: <20190319152421.16179-5-j.neuschaefer@gmx.net>
Date:   Tue, 19 Mar 2019 16:24:19 +0100
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Thierry Reding <treding@...dia.com>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Johan Hovold <johan@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jonathan Neuschäfer <j.neuschaefer@....net>
Subject: [PATCH 4/5] ARM: dts: imx50-kobo-aura: Enable USB support

Enable the USBOTG controller in device mode, and also enable the
corresponding PHY. The presence of Vbus is detected via a GPIO.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@....net>
---
 arch/arm/boot/dts/imx50-kobo-aura.dts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/imx50-kobo-aura.dts b/arch/arm/boot/dts/imx50-kobo-aura.dts
index e778a677c752..d0dc20d99d99 100644
--- a/arch/arm/boot/dts/imx50-kobo-aura.dts
+++ b/arch/arm/boot/dts/imx50-kobo-aura.dts
@@ -87,6 +87,12 @@
 		>;
 	};

+	pinctrl_usbphy: usbphy {
+		fsl,pins = <
+			MX50_PAD_ECSPI2_SS0__GPIO4_19		0x0
+		>;
+	};
+
 	pinctrl_i2c1: i2c1 {
 		fsl,pins = <
 			MX50_PAD_I2C1_SCL__I2C1_SCL		0x400001fd
@@ -180,6 +186,18 @@
 	status = "okay";
 };

+&usbotg {
+	status = "okay";
+	phy_type = "utmi_wide";
+	dr_mode = "peripheral";
+};
+
+&usbphy0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usbphy>;
+	vbus-detect-gpio = <&gpio4 19 GPIO_ACTIVE_LOW>;
+};
+
 &i2c1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_i2c1>;
--
2.20.1