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// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree for ULCB + Kingfisher + Simple Audio Card (MIX + TDM Split)
*
* Copyright (C) 2022 Renesas Electronics Corp.
*/
/*
* Note:
* The HDMI output is ignored due to the limited number of subdevices
*
* (A) CPU0 (2ch) <----> (2ch) (X) ak4613 (MIX-0)
* (B) CPU1 (2ch) --/ (MIX-1)
* (C) CPU3 (2ch) ----> (8ch) (Y) PCM3168A-p (TDM-0 : 0,1ch)
* (D) CPU2 (2ch) --/ (TDM-1 : 2,3ch)
* (E) CPU4 (2ch) --/ (TDM-2 : 4,5ch)
* (F) CPU5 (2ch) --/ (TDM-3 : 6,7ch)
* (G) CPU6 (6ch) <---- (6ch) (Z) PCM3168A-c
*
* (A) aplay -D plughw:0,0 xxx.wav (MIX-0)
* (B) aplay -D plughw:0,1 xxx.wav (MIX-1)
* (C) aplay -D plughw:1,0 xxx.wav (TDM-0)
* (D) aplay -D plughw:1,1 xxx.wav (TDM-1)
* (E) aplay -D plughw:1,2 xxx.wav (TDM-2)
* (F) aplay -D plughw:1,3 xxx.wav (TDM-3)
*
* (A) arecord -D plughw:0,0 xxx.wav
* (G) arecord -D plughw:1,4 xxx.wav
*/
/ {
sound_card_kf: expand-sound {
#address-cells = <1>;
#size-cells = <0>;
compatible = "simple-scu-audio-card";
label = "snd-kf-split";
simple-audio-card,routing = "pcm3168a Playback", "DAI2 Playback",
"pcm3168a Playback", "DAI3 Playback",
"pcm3168a Playback", "DAI4 Playback",
"pcm3168a Playback", "DAI5 Playback";
simple-audio-card,dai-link@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
convert-channels = <8>; /* to 8ch TDM */
/*
* (C) CPU2
*/
cpu@0 {
reg = <0>;
bitclock-master;
frame-master;
sound-dai = <&rcar_sound 2>;
};
/*
* (D) CPU3
*/
cpu@1 {
reg = <1>;
sound-dai = <&rcar_sound 3>;
};
/*
* (E) CPU4
*/
cpu@2 {
reg = <2>;
sound-dai = <&rcar_sound 4>;
};
/*
* (F) CPU5
*/
cpu@3 {
reg = <3>;
sound-dai = <&rcar_sound 5>;
};
/*
* (Y) PCM3168A-p
*/
codec {
prefix = "pcm3168a";
mclk-fs = <512>;
sound-dai = <&pcm3168a 0>;
};
};
simple-audio-card,dai-link@1 {
reg = <1>;
/*
* (G) CPU6
*/
cpu {
bitclock-master;
frame-master;
sound-dai = <&rcar_sound 6>;
};
/*
* (Z) PCM3168A-c
*/
codec {
prefix = "pcm3168a";
mclk-fs = <512>;
sound-dai = <&pcm3168a 1>;
};
};
};
};
&pcm3168a {
/*
* (Y) PCM3168A-p
* (Z) PCM3168A-c
*/
#sound-dai-cells = <1>;
};
&rcar_sound {
rcar_sound,dai@1 {
reg = <1>;
/* dai0-1 are defined in ulcb.dtsi */
/*
* (C) CPU2
*/
dai2 {
playback = <&ssiu30 &ssi3>;
};
/*
* (D) CPU3
*/
dai3 {
playback = <&ssiu31 &ssi3>;
};
/*
* (E) CPU4
*/
dai4 {
playback = <&ssiu32 &ssi3>;
};
/*
* (F) CPU5
*/
dai5 {
playback = <&ssiu33 &ssi3>;
};
/*
* (G) CPU6
*/
dai6 {
capture = <&ssi4>;
};
};
};
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