linux-kernel - [PATCH] arm64: dts: imx8mm-beacon: Enable USB Controllers

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Message-Id: <20211104123411.397205-1-aford173@gmail.com>
Date:   Thu,  4 Nov 2021 07:34:11 -0500
From:   Adam Ford <aford173@...il.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     aford@...conembedded.com, Adam Ford <aford173@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        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>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: imx8mm-beacon: Enable USB Controllers

The i.MX8M Mini has two available USB controllers.  On the
imx8mm-beacon board, USB1 is routed to a mini-USB port with
OTG functionality.  USB2 is routed to a USB hub which has
three host-only ports connected to it.

Signed-off-by: Adam Ford <aford173@...il.com>

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi
index 6f5e63696ec0..4097a66163b2 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi
@@ -43,6 +43,17 @@ reg_audio: regulator-audio {
 		enable-active-high;
 	};
 
+	reg_usbotg1: regulator-usbotg1 {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_reg_usb_otg1>;
+		regulator-name = "usb_otg_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
 	reg_usdhc2_vmmc: regulator-usdhc2 {
 		compatible = "regulator-fixed";
 		regulator-name = "VSD_3V3";
@@ -169,6 +180,24 @@ &uart3 {
 	status = "okay";
 };
 
+&usbotg1 {
+	vbus-supply = <&reg_usbotg1>;
+	disable-over-current;
+	dr_mode="otg";
+	status = "okay";
+};
+
+&usbotg2 {
+	pinctrl-names = "default";
+	disable-over-current;
+	dr_mode="host";
+	status = "okay";
+};
+
+&usbphynop2 {
+	reset-gpios = <&pca6416_1 7 GPIO_ACTIVE_HIGH>;
+};
+
 &usdhc2 {
 	pinctrl-names = "default", "state_100mhz", "state_200mhz";
 	pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
@@ -215,6 +244,12 @@ MX8MM_IOMUXC_SAI2_MCLK_GPIO4_IO27		0x19
 		>;
 	};
 
+	pinctrl_reg_usb_otg1: usbotg1grp {
+		fsl,pins = <
+			MX8MM_IOMUXC_SAI3_RXC_GPIO4_IO29     0x19
+		>;
+	};
+
 	pinctrl_sai3: sai3grp {
 		fsl,pins = <
 			MX8MM_IOMUXC_SAI3_TXFS_SAI3_TX_SYNC     0xd6
-- 
2.32.0