[PATCH 1/1] arm64: dts: imx8mn: tqma8mqnl-mba8mx: Add USB DR overlay

[Alexander Stein]

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 at ew.tq-group.com>
---
 arch/arm64/boot/dts/freescale/Makefile        |  2 +
 .../imx8mn-tqma8mqnl-mba8mx-usbotg.dtso       | 64 +++++++++++++++++++
 .../dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts |  5 +-
 arch/arm64/boot/dts/freescale/mba8mx.dtsi     |  2 +-
 4 files changed, 69 insertions(+), 4 deletions(-)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-usbotg.dtso

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index fa0ed4f0c9b71..7c2410bad5bac 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/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
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-usbotg.dtso b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-usbotg.dtso
new file mode 100644
index 0000000000000..96db07fc9bece
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-usbotg.dtso
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright (c) 2022-2024 TQ-Systems GmbH <linux at 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>;
+	};
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts
index 5b682dd907578..ca388705ec396 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts
+++ b/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;
@@ -202,8 +202,7 @@ 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 {
diff --git a/arch/arm64/boot/dts/freescale/mba8mx.dtsi b/arch/arm64/boot/dts/freescale/mba8mx.dtsi
index c82af672d1834..427467df42bfa 100644
--- a/arch/arm64/boot/dts/freescale/mba8mx.dtsi
+++ b/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;
-- 
2.34.1