Commit 4a085de2 authored by Adrien Grassein's avatar Adrien Grassein Committed by Shawn Guo
Browse files

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



Add the description for the USB host port.
This port is linked to a resettable USB HUB so handle
this reset signal with a GPIO hog.

Signed-off-by: default avatarAdrien Grassein <adrien.grassein@gmail.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 77a1aa03

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

+26 −0
Original line number Diff line number Diff line
@@ -102,6 +102,15 @@ ethphy0: ethernet-phy@4 { 
	};

};



/* Release reset of the USB Host HUB */

&gpio1 {

	usb-host-reset-hog {

		gpio-hog;

		gpios = <14 GPIO_ACTIVE_HIGH>;

		output-high;

	};

};



&i2c1 {

	clock-frequency = <400000>;

	pinctrl-names = "default";
@@ -213,6 +222,17 @@ &usb3_phy0 { 
	status = "okay";

};



&usb_dwc3_1 {

	dr_mode = "host";

	status = "okay";

};



&usb3_phy1 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_usb3_1>;

	status = "okay";

};



&usdhc1 {

	assigned-clocks = <&clk IMX8MQ_CLK_USDHC1>;

	assigned-clock-rates = <400000000>;
@@ -388,6 +408,12 @@ MX8MQ_IOMUXC_GPIO1_IO13_USB1_OTG_OC 0x16 
		>;

	};



	pinctrl_usb3_1: usb3-1grp {

		fsl,pins = <

			MX8MQ_IOMUXC_GPIO1_IO14_GPIO1_IO14		0x16

		>;

	};



	pinctrl_usdhc1: usdhc1grp {

		fsl,pins = <

			MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK			0x83