Commit 77a1aa03 authored by Adrien Grassein's avatar Adrien Grassein Committed by Shawn Guo
Browse files

arm64: dts: imx8mq-nitrogen: add USB OTG support 



Add the description for the USB OTG port.
The OTG port uses a dedicated regulator for vbus.

Signed-off-by: default avatarAdrien Grassein <adrien.grassein@gmail.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent a4f27c75

arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts

+35 −0
Original line number Diff line number Diff line
@@ -34,6 +34,17 @@ power { 
		};

	};



	reg_usb_otg_vbus: regulator-usb-otg-vbus {

		compatible = "regulator-fixed";

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_reg_usbotg_vbus>;

		regulator-name = "usb_otg_vbus";

		regulator-min-microvolt = <5000000>;

		regulator-max-microvolt = <5000000>;

		gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>;

		enable-active-high;

	};



	reg_vref_0v9: regulator-vref-0v9 {

		compatible = "regulator-fixed";

		regulator-name = "vref-0v9";
@@ -190,6 +201,18 @@ &uart2 { 
	status = "okay";

};



&usb_dwc3_0 {

	dr_mode = "otg";

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_usb3_0>;

	status = "okay";

};



&usb3_phy0 {

	vbus-supply = <&reg_usb_otg_vbus>;

	status = "okay";

};



&usdhc1 {

	assigned-clocks = <&clk IMX8MQ_CLK_USDHC1>;

	assigned-clock-rates = <400000000>;
@@ -339,6 +362,12 @@ MX8MQ_IOMUXC_SD2_WP_GPIO2_IO20 0x16 
		>;

	};



	pinctrl_reg_usbotg_vbus: reg-usbotg-vbusgrp {

		fsl,pins = <

			MX8MQ_IOMUXC_GPIO1_IO12_GPIO1_IO12	0x16

		>;

	};



	pinctrl_uart1: uart1grp {

		fsl,pins = <

			MX8MQ_IOMUXC_UART1_RXD_UART1_DCE_RX		0x45
@@ -353,6 +382,12 @@ MX8MQ_IOMUXC_UART2_TXD_UART2_DCE_TX 0x45 
		>;

	};



	pinctrl_usb3_0: usb3-0grp {

		fsl,pins = <

			MX8MQ_IOMUXC_GPIO1_IO13_USB1_OTG_OC		0x16

		>;

	};



	pinctrl_usdhc1: usdhc1grp {

		fsl,pins = <

			MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK			0x83