112 lines
2.0 KiB
Plaintext
112 lines
2.0 KiB
Plaintext
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Device Tree for ULCB + 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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*
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* (A) aplay -D plughw:0,0 xxx.wav
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* (B) aplay -D plughw:0,1 xxx.wav
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*
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* (A) arecord -D plughw:0,0 xxx.wav
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*/
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/ {
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sound_card: sound {
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compatible = "audio-graph-card2";
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label = "rcar-sound";
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routing = "ak4613 Playback", "DAI0 Playback",
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"ak4613 Playback", "DAI1 Playback",
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"DAI0 Capture", "ak4613 Capture";
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/delete-property/ dais;
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links = <&fe_a /* (A) CPU0 */
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&fe_b /* (B) CPU1 */
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&be_x /* (X) ak4613 */
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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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* (A) CPU0 (MIX-0)
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* (B) CPU1 (MIX-1)
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*/
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fe_a: port@0 { reg = <0>; fe_a_ep: endpoint { remote-endpoint = <&rsnd_a_ep>; }; };
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fe_b: port@1 { reg = <1>; fe_b_ep: endpoint { remote-endpoint = <&rsnd_b_ep>; }; };
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};
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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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* BE
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* (X) ak4613
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*/
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be_x: port@0 { reg = <0>; be_x_ep: endpoint { remote-endpoint = <&ak4613_x_ep>; }; };
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};
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};
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};
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};
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&ak4613 {
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port {
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/*
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* (X) ak4613
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*/
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prefix = "ak4613";
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convert-rate = <48000>;
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ak4613_x_ep: endpoint {
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remote-endpoint = <&be_x_ep>;
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};
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};
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};
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&rcar_sound {
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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/*
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* (A) CPU0
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*/
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port@0 {
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reg = <0>;
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rsnd_a_ep: endpoint {
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remote-endpoint = <&fe_a_ep>;
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bitclock-master;
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frame-master;
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playback = <&src1 &ctu02 &mix0 &dvc0 &ssi0>;
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capture = <&ssi1 &src0 &dvc1>;
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};
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};
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/*
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* (B) CPU1
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*/
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port@1 {
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reg = <1>;
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rsnd_b_ep: endpoint {
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remote-endpoint = <&fe_b_ep>;
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bitclock-master;
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frame-master;
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playback = <&src2 &ctu03 &mix0 &dvc0 &ssi0>;
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};
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};
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};
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};
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