samples/drivers/adc/boards/atsame54_xpro.overlay

/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (c) 2021 Gerson Fernando Budke <nandojve@gmail.com>
 */

/ {
	zephyr,user {
		/* EXT-1 ADC(+) */
		io-channels = <&adc1 6>;
	};
};