u-boot/board/toradex/dts/tegra20-colibri_t20_iris.dts

/dts-v1/;

/include/ ARCH_CPU_DTS

/ {
	model = "Toradex Colibri T20";
	compatible = "toradex,t20", "nvidia,tegra20";

	aliases {
		usb0 = "/usb@c5008000";
		usb1 = "/usb@c5000000";
		usb2 = "/usb@c5004000";
	};

	usb@c5000000 {
		dr_mode = "otg";
	};

	usb@c5004000 {
		nvidia,phy-reset-gpio = <&gpio 169 0>; /* PV1 */
		nvidia,vbus-gpio = <&gpio 217 0>; /* PBB1 */
	};

	usb@c5008000 {
		nvidia,vbus-gpio = <&gpio 178 1>; /* PW2 low-active */
	};

	nand-controller@70008000 {
		nvidia,wp-gpios = <&gpio 144 0>; /* PS0 */
		nvidia,width = <8>;
		nvidia,timing = <15 100 25 80 25 10 15 10 100>;

		nand@0 {
			reg = <0>;
			compatible = "nand-flash";
		};
	};
};