[PATCH v3 1/1] arm64: dts: tqma8mpql: add USB DR support

[Alexander Stein]

Add support for USB DR on USB1 interface. Host/Device detection is done
using the usb-role-switch connector.

Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
---
Changes in v3:
* Moved pinctrl to USB glue layer node
* Ordered nodes alphabetically

Changes in v2:
* Split from previous series
* For now enable USB OTG only

 .../freescale/imx8mp-tqma8mpql-mba8mpxl.dts   | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
index d8ca52976170..88579e8ac93b 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
@@ -139,6 +139,13 @@ reg_vcc_3v3: regulator-3v3 {
 		regulator-max-microvolt = <3300000>;
 	};
 
+	reg_vcc_5v0: regulator-5v0 {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_5V0";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
 	reserved-memory {
 		#address-cells = <2>;
 		#size-cells = <2>;
@@ -445,6 +452,38 @@ &uart4 {
 	status = "okay";
 };
 
+&usb3_0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usb0>;
+	fsl,over-current-active-low;
+	status = "okay";
+};
+
+&usb3_phy0 {
+	vbus-supply = <&reg_vcc_5v0>;
+	status = "okay";
+};
+
+&usb_dwc3_0 {
+	/* dual role is implemented, but not a full featured OTG */
+	hnp-disable;
+	srp-disable;
+	adp-disable;
+	dr_mode = "otg";
+	usb-role-switch;
+	role-switch-default-mode = "peripheral";
+	status = "okay";
+
+	connector {
+		compatible = "gpio-usb-b-connector", "usb-b-connector";
+		type = "micro";
+		label = "X29";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_usbcon0>;
+		id-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
+	};
+};
+
 &usdhc2 {
 	pinctrl-names = "default", "state_100mhz", "state_200mhz";
 	pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
@@ -666,6 +705,15 @@ pinctrl_uart4: uart4grp {
 			   <MX8MP_IOMUXC_UART4_TXD__UART4_DCE_TX	0x140>;
 	};
 
+	pinctrl_usb0: usb0grp {
+		fsl,pins = <MX8MP_IOMUXC_GPIO1_IO13__USB1_OTG_OC	0x1c0>,
+			   <MX8MP_IOMUXC_GPIO1_IO12__USB1_OTG_PWR	0x1c0>;
+	};
+
+	pinctrl_usbcon0: usb0congrp {
+		fsl,pins = <MX8MP_IOMUXC_GPIO1_IO10__GPIO1_IO10		0x1c0>;
+	};
+
 	pinctrl_usdhc2: usdhc2grp {
 		fsl,pins = <MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK		0x192>,
 			   <MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD		0x1d2>,
-- 
2.25.1