diff options
Diffstat (limited to 'dts/src/arm64/renesas/ulcb-simple-audio-card.dtsi')
| -rw-r--r-- | dts/src/arm64/renesas/ulcb-simple-audio-card.dtsi | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/dts/src/arm64/renesas/ulcb-simple-audio-card.dtsi b/dts/src/arm64/renesas/ulcb-simple-audio-card.dtsi new file mode 100644 index 0000000000..ba0e188e7b --- /dev/null +++ b/dts/src/arm64/renesas/ulcb-simple-audio-card.dtsi @@ -0,0 +1,93 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree for ULCB + Simple Audio Card + * + * Copyright (C) 2022 Renesas Electronics Corp. + */ + +/* + * (A) CPU0 <----> ak4613 + * (B) CPU1 ----> HDMI + * + * (A) aplay -D plughw:0,0 xxx.wav + * (B) aplay -D plughw:0,1 xxx.wav + * + * (A) arecord -D plughw:0,0 xxx.wav + */ + +/ { + sound_card: sound { + compatible = "simple-audio-card"; + label = "snd-ulcb"; + + #address-cells = <1>; + #size-cells = <0>; + + /* + * (A) CPU0 <-> ak4613 + */ + simple-audio-card,dai-link@0 { + reg = <0>; + cpu { + bitclock-master; + frame-master; + sound-dai = <&rcar_sound 0>; + }; + codec { + sound-dai = <&ak4613>; + }; + }; + /* + * (B) CPU1 -> HDMI + */ + simple-audio-card,dai-link@1 { + reg = <1>; + cpu { + bitclock-master; + frame-master; + sound-dai = <&rcar_sound 1>; + }; + codec { + sound-dai = <&hdmi0>; + }; + }; + }; +}; + +&ak4613 { + /* + * (A) CPU0 <-> ak4613 + */ + #sound-dai-cells = <0>; +}; + +&hdmi0 { + /* + * (B) CPU1 -> HDMI + */ + #sound-dai-cells = <0>; +}; + +&rcar_sound { + #address-cells = <1>; + #size-cells = <0>; + #sound-dai-cells = <1>; + + rcar_sound,dai@0 { + reg = <0>; + + /* + * (A) CPU0 <-> ak4613 + */ + dai0 { + playback = <&ssi0 &src0 &dvc0>; + capture = <&ssi1 &src1 &dvc1>; + }; + /* + * (B) CPU1 -> HDMI + */ + dai1 { + playback = <&ssi2>; + }; + }; +}; |