/*
 * Copyright (c) 2020 Stephanos Ioannidis <root@stephanos.io>
 *
 * SPDX-License-Identifier: Apache-2.0
 */

&sercom4 {
	/* Internally connect MOSI to MISO for loop-back operation */
	dipo = <3>;
	dopo = <2>;
	/* Assign a CS pin */
	cs-gpios = <&portb 28 GPIO_ACTIVE_LOW>;
	/* Configure DMA */
	dmas = <&dmac 0 12>, <&dmac 1 13>;
	dma-names = "rx", "tx";
	slow@0 {
		compatible = "test-spi-loopback-slow";
		reg = <0>;
		spi-max-frequency = <500000>;
	};
	fast@0 {
		compatible = "test-spi-loopback-fast";
		reg = <0>;
		spi-max-frequency = <16000000>;
	};
};