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// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree for ULCB + Kingfisher + Audio Graph Card2 (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 {
compatible = "audio-graph-card2";
label = "snd-kf-split";
routing = "pcm3168a Playback", "DAI2 Playback",
"pcm3168a Playback", "DAI3 Playback",
"pcm3168a Playback", "DAI4 Playback",
"pcm3168a Playback", "DAI5 Playback",
"DAI6 Capture", "pcm3168a Capture";
links = <&fe_c /* (C) CPU2 */
&fe_d /* (D) CPU3 */
&fe_e /* (E) CPU4 */
&fe_f /* (F) CPU5 */
&rsnd_g /* (G) CPU6 */
&be_y /* (Y) PCM3168A-p */
>;
dpcm {
#address-cells = <1>;
#size-cells = <0>;
ports@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
/*
* FE
*
* (C) CPU2
* (D) CPU3
* (E) CPU4
* (F) CPU5
*/
fe_c: port@2 { reg = <2>; fe_c_ep: endpoint { remote-endpoint = <&rsnd_c_ep>; }; };
fe_d: port@3 { reg = <3>; fe_d_ep: endpoint { remote-endpoint = <&rsnd_d_ep>; }; };
fe_e: port@4 { reg = <4>; fe_e_ep: endpoint { remote-endpoint = <&rsnd_e_ep>; }; };
fe_f: port@5 { reg = <5>; fe_f_ep: endpoint { remote-endpoint = <&rsnd_f_ep>; }; };
};
ports@1 {
reg = <1>;
/*
* BE
*
* (Y) PCM3168A-p
*/
be_y: port { be_y_ep: endpoint { remote-endpoint = <&pcm3168a_y_ep>; }; };
};
};
};
};
&pcm3168a {
ports {
#address-cells = <1>;
#size-cells = <0>;
mclk-fs = <512>;
prefix = "pcm3168a";
/*
* (Y) PCM3168A-p
*/
port@0 {
reg = <0>;
convert-channels = <8>; /* to 8ch TDM */
pcm3168a_y_ep: endpoint {
remote-endpoint = <&be_y_ep>;
clocks = <&clksndsel>;
};
};
/*
* (Z) PCM3168A-c
*/
port@1 {
reg = <1>;
pcm3168a_z_ep: endpoint {
remote-endpoint = <&rsnd_g_ep>;
clocks = <&clksndsel>;
};
};
};
};
&rcar_sound {
ports@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <1>;
/*
* (C) CPU2
*/
port@2 {
reg = <2>;
rsnd_c_ep: endpoint {
remote-endpoint = <&fe_c_ep>;
bitclock-master;
frame-master;
playback = <&ssiu30 &ssi3>;
};
};
/*
* (D) CPU3
*/
port@3 {
reg = <3>;
rsnd_d_ep: endpoint {
remote-endpoint = <&fe_d_ep>;
bitclock-master;
frame-master;
playback = <&ssiu31 &ssi3>;
};
};
/*
* (E) CPU4
*/
port@4 {
reg = <4>;
rsnd_e_ep: endpoint {
remote-endpoint = <&fe_e_ep>;
bitclock-master;
frame-master;
playback = <&ssiu32 &ssi3>;
};
};
/*
* (F) CPU5
*/
port@5 {
reg = <5>;
rsnd_f_ep: endpoint {
remote-endpoint = <&fe_f_ep>;
bitclock-master;
frame-master;
playback = <&ssiu33 &ssi3>;
};
};
/*
* (G) CPU6
*/
rsnd_g: port@6 {
reg = <6>;
rsnd_g_ep: endpoint {
remote-endpoint = <&pcm3168a_z_ep>;
bitclock-master;
frame-master;
capture = <&ssi4>;
};
};
};
};
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