1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree for ULCB + Simple Audio Card (MIXer)
5 * Copyright (C) 2022 Renesas Electronics Corp.
10 * The HDMI output is ignored due to the limited number of subdevices
12 * (A) CPU0 (2ch) <----> (2ch) (X) ak4613 (MIX-0)
13 * (B) CPU1 (2ch) --/ (MIX-1)
15 * (A) aplay -D plughw:0,0 xxx.wav
16 * (B) aplay -D plughw:0,1 xxx.wav
18 * (A) arecord -D plughw:0,0 xxx.wav
26 compatible = "simple-scu-audio-card";
27 label = "snd-ulcb-mix";
29 simple-audio-card,prefix = "ak4613";
30 simple-audio-card,routing = "ak4613 Playback", "DAI0 Playback",
31 "ak4613 Playback", "DAI1 Playback",
32 "DAI0 Capture", "ak4613 Capture";
34 simple-audio-card,dai-link@0 {
38 convert-rate = <48000>;
47 sound-dai = <&rcar_sound 0>;
54 sound-dai = <&rcar_sound 1>;
61 sound-dai = <&ak4613>;
71 #sound-dai-cells = <0>;
77 #sound-dai-cells = <1>;
86 playback = <&src1 &ctu02 &mix0 &dvc0 &ssi0>;
87 capture = <&ssi1 &src0 &dvc1>;
93 playback = <&src2 &ctu03 &mix0 &dvc0 &ssi0>;