| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * Device Tree for ULCB + Kingfisher + Simple Audio Card |
| 4 | * |
| 5 | * Copyright (C) 2022 Renesas Electronics Corp. |
| 6 | */ |
| 7 | |
| 8 | /* |
| 9 | * (A) CPU0 <----> ak4613 |
| 10 | * (B) CPU1 ----> HDMI |
| 11 | * (C) CPU2 ----> PCM3168A-p |
| 12 | * (D) CPU3 <---- PCM3168A-c |
| 13 | * |
| 14 | * (A) aplay -D plughw:0,0 xxx.wav |
| 15 | * (B) aplay -D plughw:0,1 xxx.wav |
| 16 | * (C) aplay -D plughw:1,0 xxx.wav |
| 17 | * |
| 18 | * (A) arecord -D plughw:0,0 xxx.wav |
| 19 | * (D) arecord -D plughw:1,1 xxx.wav |
| 20 | */ |
| 21 | |
| 22 | / { |
| 23 | sound_card_kf: expand-sound { |
| 24 | compatible = "simple-audio-card"; |
| 25 | label = "snd-kf"; |
| 26 | |
| 27 | #address-cells = <1>; |
| 28 | #size-cells = <0>; |
| 29 | |
| 30 | /* |
| 31 | * (C) CPU2 -> PCM3168A-p |
| 32 | */ |
| 33 | simple-audio-card,dai-link@0 { |
| 34 | reg = <0>; |
| 35 | cpu { |
| 36 | bitclock-master; |
| 37 | frame-master; |
| 38 | dai-tdm-slot-num = <8>; |
| 39 | sound-dai = <&rcar_sound 2>; |
| 40 | }; |
| 41 | codec { |
| 42 | mclk-fs = <512>; |
| 43 | sound-dai = <&pcm3168a 0>; |
| 44 | }; |
| 45 | }; |
| 46 | /* |
| 47 | * (D) CPU3 <- PCM3168A-c |
| 48 | */ |
| 49 | simple-audio-card,dai-link@1 { |
| 50 | reg = <1>; |
| 51 | cpu { |
| 52 | bitclock-master; |
| 53 | frame-master; |
| 54 | dai-tdm-slot-num = <6>; |
| 55 | sound-dai = <&rcar_sound 3>; |
| 56 | }; |
| 57 | codec { |
| 58 | mclk-fs = <512>; |
| 59 | sound-dai = <&pcm3168a 1>; |
| 60 | }; |
| 61 | }; |
| 62 | }; |
| 63 | }; |
| 64 | |
| 65 | &pcm3168a { |
| 66 | /* |
| 67 | * (C) CPU2 -> PCM3168A-p |
| 68 | * (D) CPU3 <- PCM3168A-c |
| 69 | */ |
| 70 | #sound-dai-cells = <1>; |
| 71 | }; |
| 72 | |
| 73 | &rcar_sound { |
| 74 | rcar_sound,dai@1 { |
| 75 | reg = <1>; |
| 76 | |
| 77 | /* |
| 78 | * (C) CPU2 -> PCM3168A-p |
| 79 | */ |
| 80 | dai2 { |
| 81 | playback = <&ssi3>; |
| 82 | }; |
| 83 | /* |
| 84 | * (D) CPU3 <- PCM3168A-c |
| 85 | */ |
| 86 | dai3 { |
| 87 | capture = <&ssi4>; |
| 88 | }; |
| 89 | }; |
| 90 | }; |