/* * SPDX-License-Identifier: Apache-2.0 * * Copyright (c) 2021 Argentum Systems Ltd. */ &dmac { status = "okay"; }; dut: &sercom1 { /* internally loop-back Tx and Rx on PAD0 */ rxpo = <0>; txpo = <0>; /* configure DMA channels for async operation */ dmas = <&dmac 0 0x03>, <&dmac 1 0x04>; dma-names = "rx", "tx"; }; &sercom3 { /* configure DMA channels for async operation */ dmas = <&dmac 10 0x07>, <&dmac 11 0x08>; dma-names = "rx", "tx"; }; &sercom4 { status = "disabled"; };