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// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree for ULCB + Simple Audio Card
*
* Copyright (C) 2022 Renesas Electronics Corp.
*/
/*
* (A) CPU0 <----> ak4613
* (B) CPU1 ----> HDMI
*
* (A) aplay -D plughw:0,0 xxx.wav
* (B) aplay -D plughw:0,1 xxx.wav
*
* (A) arecord -D plughw:0,0 xxx.wav
*/
/ {
sound_card: sound {
compatible = "simple-audio-card";
label = "snd-ulcb";
#address-cells = <1>;
#size-cells = <0>;
/*
* (A) CPU0 <-> ak4613
*/
simple-audio-card,dai-link@0 {
reg = <0>;
cpu {
bitclock-master;
frame-master;
sound-dai = <&rcar_sound 0>;
};
codec {
sound-dai = <&ak4613>;
};
};
/*
* (B) CPU1 -> HDMI
*/
simple-audio-card,dai-link@1 {
reg = <1>;
cpu {
bitclock-master;
frame-master;
sound-dai = <&rcar_sound 1>;
};
codec {
sound-dai = <&hdmi0>;
};
};
};
};
&ak4613 {
/*
* (A) CPU0 <-> ak4613
*/
#sound-dai-cells = <0>;
};
&hdmi0 {
/*
* (B) CPU1 -> HDMI
*/
#sound-dai-cells = <0>;
};
&rcar_sound {
#address-cells = <1>;
#size-cells = <0>;
#sound-dai-cells = <1>;
rcar_sound,dai@0 {
reg = <0>;
/*
* (A) CPU0 <-> ak4613
*/
dai0 {
playback = <&ssi0 &src0 &dvc0>;
capture = <&ssi1 &src1 &dvc1>;
};
/*
* (B) CPU1 -> HDMI
*/
dai1 {
playback = <&ssi2>;
};
};
};
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