1/* 2 * SPDX-License-Identifier: Apache-2.0 3 * 4 * Copyright (c) 2021 Argentum Systems Ltd. 5 */ 6 7&dmac { 8 status = "okay"; 9}; 10 11dut: &sercom1 { 12 /* internally loop-back Tx and Rx on PAD0 */ 13 rxpo = <0>; 14 txpo = <0>; 15 16 /* configure DMA channels for async operation */ 17 dmas = <&dmac 0 0x03>, <&dmac 1 0x04>; 18 dma-names = "rx", "tx"; 19}; 20 21&sercom3 { 22 /* configure DMA channels for async operation */ 23 dmas = <&dmac 10 0x07>, <&dmac 11 0x08>; 24 dma-names = "rx", "tx"; 25}; 26 27&sercom4 { 28 status = "disabled"; 29}; 30