u-boot/arch/arm/dts/hi6220-hikey.dts

/*
 * dts file for Hisilicon HiKey Development Board
 *
 * Copyright (C) 2015, Hisilicon Ltd.
 *
 */

/dts-v1/;

/*Reserved 1MB memory for MCU*/
/memreserve/ 0x05e00000 0x00100000;

#include "hi6220.dtsi"

/ {
	model = "HiKey Development Board";
	compatible = "hisilicon,hi6220-hikey", "hisilicon,hi6220";

	aliases {
		serial0 = &uart0; /* On board UART0 */
		serial1 = &uart1; /* BT UART */
		serial2 = &uart2; /* LS Expansion UART0 */
		serial3 = &uart3; /* LS Expansion UART1 */
	};

	chosen {
		stdout-path = "serial3:115200n8";
	};

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x0 0x0 0x40000000>;
	};

	firmware {
		optee {
			compatible = "linaro,optee-tz";
			method = "smc";
		};
	};
};

&mmc0 {
	status = "okay";
	non-removable;
	bus-width = <8>;
};

&mmc1 {
	status = "okay";
	bus-width = <4>;
};

&uart2 {
	label = "LS-UART0";
};
&uart3 {
	label = "LS-UART1";
};