/* SPDX-License-Identifier: Apache-2.0 */ &dmac { status = "okay"; }; dut: &sercom0 { /* Internally loop-back TX and RX on PAD0 */ rxpo = <0>; txpo = <0>; /* Configure DMA channels for async operation */ dmas = <&dmac 0 0x02>, <&dmac 1 0x03>; dma-names = "rx", "tx"; }; &sercom2 { status = "disabled"; }; &sercom4 { /* configure DMA channels for async operation */ dmas = <&dmac 10 0x0A>, <&dmac 11 0x0B>; dma-names = "rx", "tx"; };