u-boot-brain/arch/arm/dts/ls1021a-iot-duart.dts

// SPDX-License-Identifier: GPL-2.0+
/*
 * Freescale ls1021a IOT board device tree source
 *
 * Copyright 2016 Freescale Semiconductor, Inc.
 */

/dts-v1/;
#include "ls1021a-iot.dtsi"

/ {
	chosen {
	stdout-path = &uart0;
	};
};