1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree for ULCB + Kingfisher + Simple Audio Card
5 * Copyright (C) 2022 Renesas Electronics Corp.
9 * (A) CPU0 <----> ak4613
11 * (C) CPU2 ----> PCM3168A-p
12 * (D) CPU3 <---- PCM3168A-c
14 * (A) aplay -D plughw:0,0 xxx.wav
15 * (B) aplay -D plughw:0,1 xxx.wav
16 * (C) aplay -D plughw:1,0 xxx.wav
18 * (A) arecord -D plughw:0,0 xxx.wav
19 * (D) arecord -D plughw:1,1 xxx.wav
23 sound_card_kf: expand-sound {
24 compatible = "simple-audio-card";
31 * (C) CPU2 -> PCM3168A-p
33 simple-audio-card,dai-link@0 {
38 dai-tdm-slot-num = <8>;
39 sound-dai = <&rcar_sound 2>;
43 sound-dai = <&pcm3168a 0>;
47 * (D) CPU3 <- PCM3168A-c
49 simple-audio-card,dai-link@1 {
54 dai-tdm-slot-num = <6>;
55 sound-dai = <&rcar_sound 3>;
59 sound-dai = <&pcm3168a 1>;
67 * (C) CPU2 -> PCM3168A-p
68 * (D) CPU3 <- PCM3168A-c
70 #sound-dai-cells = <1>;
78 * (C) CPU2 -> PCM3168A-p
84 * (D) CPU3 <- PCM3168A-c