| // 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>; |
| }; |
| }; |
| }; |
