90 lines
1.3 KiB
Plaintext
90 lines
1.3 KiB
Plaintext
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Device Tree for ULCB + Simple Audio Card
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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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* (A) CPU0 <----> ak4613
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* (B) CPU1 ----> HDMI
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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 = "simple-audio-card";
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label = "rcar-sound";
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#address-cells = <1>;
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#size-cells = <0>;
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/*
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* (A) CPU0 <-> ak4613
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*/
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simple-audio-card,dai-link@0 {
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reg = <0>;
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cpu {
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bitclock-master;
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frame-master;
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sound-dai = <&rcar_sound 0>;
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};
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codec {
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sound-dai = <&ak4613>;
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};
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};
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/*
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* (B) CPU1 -> HDMI
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*/
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simple-audio-card,dai-link@1 {
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reg = <1>;
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cpu {
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bitclock-master;
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frame-master;
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sound-dai = <&rcar_sound 1>;
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};
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codec {
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sound-dai = <&hdmi0>;
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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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/*
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* (A) CPU0 <-> ak4613
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*/
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#sound-dai-cells = <0>;
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};
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&hdmi0 {
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/*
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* (B) CPU1 -> HDMI
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*/
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#sound-dai-cells = <0>;
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};
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&rcar_sound {
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#sound-dai-cells = <1>;
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rcar_sound,dai {
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/*
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* (A) CPU0 <-> ak4613
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*/
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dai0 {
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playback = <&ssi0 &src0 &dvc0>;
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capture = <&ssi1 &src1 &dvc1>;
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};
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/*
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* (B) CPU1 -> HDMI
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*/
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dai1 {
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playback = <&ssi2>;
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};
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};
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};
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