185 lines
3.7 KiB
Plaintext
185 lines
3.7 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0
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/*
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* Device Tree for ULCB + Kingfisher + Audio Graph Card2 (MIX + TDM Split)
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*
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* Copyright (C) 2022 Renesas Electronics Corp.
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*/
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/*
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* Note:
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* The HDMI output is ignored due to the limited number of subdevices
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*
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* (A) CPU0 (2ch) <----> (2ch) (X) ak4613 (MIX-0)
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* (B) CPU1 (2ch) --/ (MIX-1)
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* (C) CPU3 (2ch) ----> (8ch) (Y) PCM3168A-p (TDM-0 : 0,1ch)
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* (D) CPU2 (2ch) --/ (TDM-1 : 2,3ch)
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* (E) CPU4 (2ch) --/ (TDM-2 : 4,5ch)
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* (F) CPU5 (2ch) --/ (TDM-3 : 6,7ch)
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* (G) CPU6 (6ch) <---- (6ch) (Z) PCM3168A-c
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*
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* (A) aplay -D plughw:0,0 xxx.wav (MIX-0)
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* (B) aplay -D plughw:0,1 xxx.wav (MIX-1)
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* (C) aplay -D plughw:1,0 xxx.wav (TDM-0)
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* (D) aplay -D plughw:1,1 xxx.wav (TDM-1)
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* (E) aplay -D plughw:1,2 xxx.wav (TDM-2)
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* (F) aplay -D plughw:1,3 xxx.wav (TDM-3)
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*
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* (A) arecord -D plughw:0,0 xxx.wav
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* (G) arecord -D plughw:1,4 xxx.wav
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*/
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/ {
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sound_card_kf: expand-sound {
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compatible = "audio-graph-card2";
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label = "snd-kf-split";
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routing = "pcm3168a Playback", "DAI2 Playback",
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"pcm3168a Playback", "DAI3 Playback",
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"pcm3168a Playback", "DAI4 Playback",
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"pcm3168a Playback", "DAI5 Playback",
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"DAI6 Capture", "pcm3168a Capture";
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links = <&fe_c /* (C) CPU2 */
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&fe_d /* (D) CPU3 */
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&fe_e /* (E) CPU4 */
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&fe_f /* (F) CPU5 */
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&rsnd_g /* (G) CPU6 */
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&be_y /* (Y) PCM3168A-p */
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>;
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dpcm {
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#address-cells = <1>;
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#size-cells = <0>;
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ports@0 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0>;
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/*
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* FE
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*
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* (C) CPU2
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* (D) CPU3
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* (E) CPU4
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* (F) CPU5
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*/
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fe_c: port@2 { reg = <2>; fe_c_ep: endpoint { remote-endpoint = <&rsnd_c_ep>; }; };
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fe_d: port@3 { reg = <3>; fe_d_ep: endpoint { remote-endpoint = <&rsnd_d_ep>; }; };
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fe_e: port@4 { reg = <4>; fe_e_ep: endpoint { remote-endpoint = <&rsnd_e_ep>; }; };
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fe_f: port@5 { reg = <5>; fe_f_ep: endpoint { remote-endpoint = <&rsnd_f_ep>; }; };
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};
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ports@1 {
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reg = <1>;
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/*
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* BE
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*
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* (Y) PCM3168A-p
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*/
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be_y: port { be_y_ep: endpoint { remote-endpoint = <&pcm3168a_y_ep>; }; };
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};
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};
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};
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};
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&pcm3168a {
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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mclk-fs = <512>;
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prefix = "pcm3168a";
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/*
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* (Y) PCM3168A-p
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*/
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port@0 {
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reg = <0>;
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convert-channels = <8>; /* to 8ch TDM */
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pcm3168a_y_ep: endpoint {
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remote-endpoint = <&be_y_ep>;
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clocks = <&clksndsel>;
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};
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};
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/*
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* (Z) PCM3168A-c
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*/
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port@1 {
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reg = <1>;
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pcm3168a_z_ep: endpoint {
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remote-endpoint = <&rsnd_g_ep>;
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clocks = <&clksndsel>;
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};
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};
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};
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};
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&rcar_sound {
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ports@1 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <1>;
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/*
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* (C) CPU2
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*/
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port@2 {
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reg = <2>;
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rsnd_c_ep: endpoint {
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remote-endpoint = <&fe_c_ep>;
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bitclock-master;
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frame-master;
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playback = <&ssiu30 &ssi3>;
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};
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};
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/*
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* (D) CPU3
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*/
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port@3 {
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reg = <3>;
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rsnd_d_ep: endpoint {
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remote-endpoint = <&fe_d_ep>;
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bitclock-master;
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frame-master;
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playback = <&ssiu31 &ssi3>;
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};
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};
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/*
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* (E) CPU4
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*/
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port@4 {
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reg = <4>;
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rsnd_e_ep: endpoint {
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remote-endpoint = <&fe_e_ep>;
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bitclock-master;
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frame-master;
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playback = <&ssiu32 &ssi3>;
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};
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};
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/*
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* (F) CPU5
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*/
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port@5 {
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reg = <5>;
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rsnd_f_ep: endpoint {
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remote-endpoint = <&fe_f_ep>;
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bitclock-master;
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frame-master;
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playback = <&ssiu33 &ssi3>;
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};
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};
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/*
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* (G) CPU6
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*/
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rsnd_g: port@6 {
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reg = <6>;
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rsnd_g_ep: endpoint {
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remote-endpoint = <&pcm3168a_z_ep>;
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bitclock-master;
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frame-master;
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capture = <&ssi4>;
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};
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};
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};
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};
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