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// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree for ULCB + Kingfisher + Simple Audio Card
*
* Copyright (C) 2022 Renesas Electronics Corp.
*/
/*
* (A) CPU0 <----> ak4613
* (B) CPU1 ----> HDMI
* (C) CPU2 ----> PCM3168A-p
* (D) CPU3 <---- PCM3168A-c
*
* (A) aplay -D plughw:0,0 xxx.wav
* (B) aplay -D plughw:0,1 xxx.wav
* (C) aplay -D plughw:1,0 xxx.wav
*
* (A) arecord -D plughw:0,0 xxx.wav
* (D) arecord -D plughw:1,1 xxx.wav
*/
/ {
sound_card_kf: expand-sound {
compatible = "simple-audio-card";
label = "snd-kf";
#address-cells = <1>;
#size-cells = <0>;
/*
* (C) CPU2 -> PCM3168A-p
*/
simple-audio-card,dai-link@0 {
reg = <0>;
cpu {
bitclock-master;
frame-master;
dai-tdm-slot-num = <8>;
sound-dai = <&rcar_sound 2>;
};
codec {
mclk-fs = <512>;
sound-dai = <&pcm3168a 0>;
};
};
/*
* (D) CPU3 <- PCM3168A-c
*/
simple-audio-card,dai-link@1 {
reg = <1>;
cpu {
bitclock-master;
frame-master;
dai-tdm-slot-num = <6>;
sound-dai = <&rcar_sound 3>;
};
codec {
mclk-fs = <512>;
sound-dai = <&pcm3168a 1>;
};
};
};
};
&pcm3168a {
/*
* (C) CPU2 -> PCM3168A-p
* (D) CPU3 <- PCM3168A-c
*/
#sound-dai-cells = <1>;
};
&rcar_sound {
rcar_sound,dai@1 {
reg = <1>;
/*
* (C) CPU2 -> PCM3168A-p
*/
dai2 {
playback = <&ssi3>;
};
/*
* (D) CPU3 <- PCM3168A-c
*/
dai3 {
capture = <&ssi4>;
};
};
};
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