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// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree for ULCB + Kingfisher + Audio Graph 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) CPU2 (2ch) ----> (8ch) (Y) PCM3168A-p (TDM-0 : 0,1ch)
* (D) CPU3 (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 {
compatible = "audio-graph-scu-card";
label = "snd-kf-split";
routing = "pcm3168a Playback", "DAI2 Playback",
"pcm3168a Playback", "DAI3 Playback",
"pcm3168a Playback", "DAI4 Playback",
"pcm3168a Playback", "DAI5 Playback";
dais = <&snd_kf1 /* (C) CPU2 */
&snd_kf2 /* (D) CPU3 */
&snd_kf3 /* (E) CPU4 */
&snd_kf4 /* (F) CPU5 */
&snd_kf5 /* (G) GPU6 */
>;
};
};
&pcm3168a {
ports {
#address-cells = <1>;
#size-cells = <0>;
mclk-fs = <512>;
/*
* (Y) PCM3168A-p
*/
port@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
prefix = "pcm3168a";
convert-channels = <8>; /* to 8ch TDM */
/* (C) CPU2 -> (Y) PCM3168A-p */
pcm3168a_endpoint_p1: endpoint@0 {
reg = <0>;
remote-endpoint = <&rsnd_for_pcm3168a_play1>;
clocks = <&clksndsel>;
};
/* (D) CPU3 -> (Y) PCM3168A-p */
pcm3168a_endpoint_p2: endpoint@1 {
reg = <1>;
remote-endpoint = <&rsnd_for_pcm3168a_play2>;
clocks = <&clksndsel>;
};
/* (E) CPU4 -> (Y) PCM3168A-p */
pcm3168a_endpoint_p3: endpoint@2 {
reg = <2>;
remote-endpoint = <&rsnd_for_pcm3168a_play3>;
clocks = <&clksndsel>;
};
/* (F) CPU5 -> (Y) PCM3168A-p */
pcm3168a_endpoint_p4: endpoint@3 {
reg = <3>;
remote-endpoint = <&rsnd_for_pcm3168a_play4>;
clocks = <&clksndsel>;
};
};
/*
* (Z) PCM3168A-c
*/
port@1 {
reg = <1>;
/* (G) CPU6 <- PCM3168A-c */
pcm3168a_endpoint_c: endpoint {
remote-endpoint = <&rsnd_for_pcm3168a_capture>;
clocks = <&clksndsel>;
};
};
};
};
&rcar_sound {
ports@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <1>;
/*
* (C) CPU2
*/
snd_kf1: port@2 {
reg = <2>;
rsnd_for_pcm3168a_play1: endpoint {
remote-endpoint = <&pcm3168a_endpoint_p1>;
bitclock-master;
frame-master;
playback = <&ssiu30 &ssi3>;
};
};
/*
* (D) CPU3
*/
snd_kf2: port@3 {
reg = <3>;
rsnd_for_pcm3168a_play2: endpoint {
remote-endpoint = <&pcm3168a_endpoint_p2>;
bitclock-master;
frame-master;
playback = <&ssiu31 &ssi3>;
};
};
/*
* (E) CPU4
*/
snd_kf3: port@4 {
reg = <4>;
rsnd_for_pcm3168a_play3: endpoint {
remote-endpoint = <&pcm3168a_endpoint_p3>;
bitclock-master;
frame-master;
playback = <&ssiu32 &ssi3>;
};
};
/*
* (F) CPU5
*/
snd_kf4: port@5 {
reg = <5>;
rsnd_for_pcm3168a_play4: endpoint {
remote-endpoint = <&pcm3168a_endpoint_p4>;
bitclock-master;
frame-master;
playback = <&ssiu33 &ssi3>;
};
};
/*
* (G) CPU6
*/
snd_kf5: port@6 {
reg = <6>;
rsnd_for_pcm3168a_capture: endpoint {
remote-endpoint = <&pcm3168a_endpoint_c>;
bitclock-master;
frame-master;
dai-tdm-slot-num = <6>;
capture = <&ssi4>;
};
};
};
};
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