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Diffstat (limited to 'dts/src/arm64/renesas/ulcb-kf-simple-audio-card.dtsi')
| -rw-r--r-- | dts/src/arm64/renesas/ulcb-kf-simple-audio-card.dtsi | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/dts/src/arm64/renesas/ulcb-kf-simple-audio-card.dtsi b/dts/src/arm64/renesas/ulcb-kf-simple-audio-card.dtsi new file mode 100644 index 0000000000..28d29ecfb3 --- /dev/null +++ b/dts/src/arm64/renesas/ulcb-kf-simple-audio-card.dtsi @@ -0,0 +1,90 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree for ULCB + Kingfisher + Simple Audio Card + * + * Copyright (C) 2022 Renesas Electronics Corp. + */ + +/* + * (A) CPU0 <----> ak4613 + * (B) CPU1 ----> HDMI + * (C) CPU2 ----> PCM3168A-p + * (D) CPU3 <---- PCM3168A-c + * + * (A) aplay -D plughw:0,0 xxx.wav + * (B) aplay -D plughw:0,1 xxx.wav + * (C) aplay -D plughw:1,0 xxx.wav + * + * (A) arecord -D plughw:0,0 xxx.wav + * (D) arecord -D plughw:1,1 xxx.wav + */ + +/ { + sound_card_kf: expand-sound { + compatible = "simple-audio-card"; + label = "snd-kf"; + + #address-cells = <1>; + #size-cells = <0>; + + /* + * (C) CPU2 -> PCM3168A-p + */ + simple-audio-card,dai-link@0 { + reg = <0>; + cpu { + bitclock-master; + frame-master; + dai-tdm-slot-num = <8>; + sound-dai = <&rcar_sound 2>; + }; + codec { + mclk-fs = <512>; + sound-dai = <&pcm3168a 0>; + }; + }; + /* + * (D) CPU3 <- PCM3168A-c + */ + simple-audio-card,dai-link@1 { + reg = <1>; + cpu { + bitclock-master; + frame-master; + dai-tdm-slot-num = <6>; + sound-dai = <&rcar_sound 3>; + }; + codec { + mclk-fs = <512>; + sound-dai = <&pcm3168a 1>; + }; + }; + }; +}; + +&pcm3168a { + /* + * (C) CPU2 -> PCM3168A-p + * (D) CPU3 <- PCM3168A-c + */ + #sound-dai-cells = <1>; +}; + +&rcar_sound { + rcar_sound,dai@1 { + reg = <1>; + + /* + * (C) CPU2 -> PCM3168A-p + */ + dai2 { + playback = <&ssi3>; + }; + /* + * (D) CPU3 <- PCM3168A-c + */ + dai3 { + capture = <&ssi4>; + }; + }; +}; |