1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree for ULCB + Audio Graph Card
5 * Copyright (C) 2022 Renesas Electronics Corp.
9 * (A) CPU0 <-----> ak4613
10 * (B) CPU1 -----> HDMI
12 * (A) aplay -D plughw:0,0 xxx.wav
13 * (B) aplay -D plughw:0,1 xxx.wav
15 * (A) arecord -D plughw:0,0 xxx.wav
20 compatible = "audio-graph-card";
23 dais = <&snd_ulcb1 /* (A) CPU0 <-> ak4613 */
24 &snd_ulcb2 /* (B) CPU1 -> HDMI */
30 #sound-dai-cells = <0>;
36 ak4613_endpoint: endpoint {
37 remote-endpoint = <&rsnd_for_ak4613>;
48 dw_hdmi0_snd_in: endpoint {
49 remote-endpoint = <&rsnd_for_hdmi>;
69 rsnd_for_ak4613: endpoint {
70 remote-endpoint = <&ak4613_endpoint>;
73 playback = <&ssi0>, <&src0>, <&dvc0>;
74 capture = <&ssi1>, <&src1>, <&dvc1>;
82 rsnd_for_hdmi: endpoint {
83 remote-endpoint = <&dw_hdmi0_snd_in>;