diff options
Diffstat (limited to 'arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card.dtsi | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card.dtsi new file mode 100644 index 000000000000..1db99b7608f0 --- /dev/null +++ b/arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card.dtsi @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree for ULCB + Kingfisher + Audio Graph Card + * + * Copyright (C) 2022 Renesas Electronics Corp. + */ + +/* + * (A) CPU0 <----> ak4613 + * (B) CPU1 ----> HDMI + * (C) CPU2 ----> PCM3168A-p (8ch) + * (D) CPU3 <---- PCM3168A-c (6ch) + * + * (A) aplay -D plughw:0,0 xxx.wav + * (B) aplay -D plughw:0,1 xxx.wav + * (C) aplay -D plughw:0,2 xxx.wav + * + * (A) arecord -D plughw:0,0 xxx.wav + * (D) arecord -D plughw:0,3 xxx.wav + */ + +&sound_card { + dais = <&rsnd_port0 /* (A) CPU0 <-> ak4613 */ + &rsnd_port1 /* (B) CPU1 -> HDMI */ + &rsnd_port2 /* (C) CPU2 -> PCM3168A-p */ + &rsnd_port3 /* (D) CPU3 <- PCM3168A-c */ + >; +}; + +&pcm3168a { + ports { + #address-cells = <1>; + #size-cells = <0>; + mclk-fs = <512>; + /* + * (C) CPU2 -> PCM3168A-p + */ + port@0 { + reg = <0>; + pcm3168a_endpoint_p: endpoint { + remote-endpoint = <&rsnd_for_pcm3168a_play>; + clocks = <&clksndsel>; + }; + }; + /* + * (D) CPU3 <- PCM3168A-c + */ + port@1 { + reg = <1>; + pcm3168a_endpoint_c: endpoint { + remote-endpoint = <&rsnd_for_pcm3168a_capture>; + clocks = <&clksndsel>; + }; + }; + }; +}; + +&rcar_sound { + ports { + /* rsnd_port0/1 are defined in ulcb.dtsi */ + /* + * (C) CPU2 -> PCM3168A-p + */ + rsnd_port2: port@2 { + reg = <2>; + rsnd_for_pcm3168a_play: endpoint { + remote-endpoint = <&pcm3168a_endpoint_p>; + bitclock-master; + frame-master; + dai-tdm-slot-num = <8>; + playback = <&ssi3>; + }; + }; + /* + * (D) CPU3 <- PCM3168A-c + */ + rsnd_port3: port@3 { + reg = <3>; + rsnd_for_pcm3168a_capture: endpoint { + remote-endpoint = <&pcm3168a_endpoint_c>; + bitclock-master; + frame-master; + dai-tdm-slot-num = <6>; + capture = <&ssi4>; + }; + }; + }; +}; |