1/*
2 * Copyright (c) 2020 Stephanos Ioannidis <root@stephanos.io>
3 * Copyright (c) 2024 Gerson Fernando Budke <nandojve@gmail.com>
4 *
5 * SPDX-License-Identifier: Apache-2.0
6 */
7
8&dmac {
9	status = "okay";
10};
11
12&sercom4 {
13	/* Internally connect MOSI to MISO for loop-back operation */
14	dipo = <3>;
15	dopo = <2>;
16
17	/* Assign a CS pin */
18	cs-gpios = <&portb 28 GPIO_ACTIVE_LOW>;
19
20	/* Configure DMA */
21	dmas = <&dmac 0 12>, <&dmac 1 13>;
22	dma-names = "rx", "tx";
23
24	slow@0 {
25		compatible = "test-spi-loopback-slow";
26		reg = <0>;
27		spi-max-frequency = <500000>;
28	};
29	fast@0 {
30		compatible = "test-spi-loopback-fast";
31		reg = <0>;
32		spi-max-frequency = <16000000>;
33	};
34};
35