arm64: dts: imx8mn: tqma8mqnl-mba8mx: Add USB DR overlay

imx8mn has only one USB interface. The platform supports using as USB host
(default), or switch to USB DR using this overlay.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/Makefile

@@ -134,7 +134,9 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mn-var-som-symphony.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-venice-gw7902.dtb
 
 imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33-dtbs += imx8mn-tqma8mqnl-mba8mx.dtb imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtbo
+imx8mn-tqma8mqnl-mba8mx-usbotg-dtbs += imx8mn-tqma8mqnl-mba8mx.dtb imx8mn-tqma8mqnl-mba8mx-usbotg.dtbo
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mn-tqma8mqnl-mba8mx-usbotg.dtb
 
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-beacon-kit.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-data-modul-edm-sbc.dtb

arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-usbotg.dtso

+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright (c) 2022-2024 TQ-Systems GmbH <linux@ew.tq-group.com>,
+ * D-82229 Seefeld, Germany.
+ * Author: Alexander Stein
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+#include "imx8mn-pinfunc.h"
+
+&{/} {
+	connector {
+		compatible = "gpio-usb-b-connector", "usb-b-connector";
+		type = "micro";
+		label = "X19";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_usb1_connector>;
+		id-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
+
+		port {
+			usb_dr_connector: endpoint {
+				remote-endpoint = <&usb1_drd_sw>;
+			};
+		};
+	};
+};
+
+&rst_usb_hub_hog {
+	output-low;
+};
+
+&sel_usb_hub_hog {
+	output-low;
+};
+
+&usbotg1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usbotg>;
+	dr_mode = "otg";
+	srp-disable;
+	hnp-disable;
+	adp-disable;
+	power-active-high;
+	/delete-property/ disable-over-current;
+	over-current-active-low;
+	usb-role-switch;
+	status = "okay";
+
+	port {
+		usb1_drd_sw: endpoint {
+			remote-endpoint = <&usb_dr_connector>;
+		};
+	};
+};
+
+&iomuxc {
+	pinctrl_usb1_connector: usb1-connectorgrp {
+		fsl,pins = <MX8MN_IOMUXC_GPIO1_IO10_GPIO1_IO10		0x1c0>;
+	};
+};

arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts

@@ -41,7 +41,7 @@ &gpio2 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usb0hub_sel>;
 
-	sel-usb-hub-hog {
+	sel_usb_hub_hog: sel-usb-hub-hog {
 		gpio-hog;
 		gpios = <1 GPIO_ACTIVE_HIGH>;
 		output-high;
@@ -198,8 +198,7 @@ pinctrl_usb0hub_sel: usb0hub-selgrp {
 
 	pinctrl_usbotg: usbotggrp {
 		fsl,pins = <MX8MN_IOMUXC_GPIO1_IO12_USB1_OTG_PWR	0x84>,
-			   <MX8MN_IOMUXC_GPIO1_IO13_USB1_OTG_OC		0x84>,
-			   <MX8MN_IOMUXC_GPIO1_IO10_USB1_OTG_ID		0x1C4>;
+			   <MX8MN_IOMUXC_GPIO1_IO13_USB1_OTG_OC		0x84>;
 	};
 
 	pinctrl_usdhc2: usdhc2grp {

arch/arm64/boot/dts/freescale/mba8mx.dtsi

@@ -219,7 +219,7 @@ boot-cfg-oe-hog {
 			line-name = "BOOT_CFG_OE#";
 		};
 
-		rst-usb-hub-hog {
+		rst_usb_hub_hog: rst-usb-hub-hog {
 			gpio-hog;
 			gpios = <13 0>;
 			output-high;