| 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 + Simple Audio Card (MIXer) |
| 4 | * |
| 5 | * Copyright (C) 2022 Renesas Electronics Corp. |
| 6 | */ |
| 7 | |
| 8 | /* |
| 9 | * Note: |
| 10 | * The HDMI output is ignored due to the limited number of subdevices |
| 11 | * |
| 12 | * (A) CPU0 (2ch) <----> (2ch) (X) ak4613 (MIX-0) |
| 13 | * (B) CPU1 (2ch) --/ (MIX-1) |
| 14 | * |
| 15 | * (A) aplay -D plughw:0,0 xxx.wav |
| 16 | * (B) aplay -D plughw:0,1 xxx.wav |
| 17 | * |
| 18 | * (A) arecord -D plughw:0,0 xxx.wav |
| 19 | */ |
| 20 | |
| 21 | / { |
| 22 | sound_card: sound { |
| 23 | #address-cells = <1>; |
| 24 | #size-cells = <0>; |
| 25 | |
| 26 | compatible = "simple-scu-audio-card"; |
| 27 | label = "snd-ulcb-mix"; |
| 28 | |
| 29 | simple-audio-card,prefix = "ak4613"; |
| 30 | simple-audio-card,routing = "ak4613 Playback", "DAI0 Playback", |
| 31 | "ak4613 Playback", "DAI1 Playback", |
| 32 | "DAI0 Capture", "ak4613 Capture"; |
| 33 | |
| 34 | simple-audio-card,dai-link@0 { |
| 35 | #address-cells = <1>; |
| 36 | #size-cells = <0>; |
| 37 | reg = <0>; |
| 38 | convert-rate = <48000>; |
| 39 | |
| 40 | /* |
| 41 | * (A) CPU0 |
| 42 | */ |
| 43 | cpu@0 { |
| 44 | reg = <0>; |
| 45 | bitclock-master; |
| 46 | frame-master; |
| 47 | sound-dai = <&rcar_sound 0>; |
| 48 | }; |
| 49 | /* |
| 50 | * (B) CPU1 |
| 51 | */ |
| 52 | cpu@1 { |
| 53 | reg = <1>; |
| 54 | sound-dai = <&rcar_sound 1>; |
| 55 | }; |
| 56 | /* |
| 57 | * (X) ak4613 |
| 58 | */ |
| 59 | codec { |
| 60 | prefix = "ak4613"; |
| 61 | sound-dai = <&ak4613>; |
| 62 | }; |
| 63 | }; |
| 64 | }; |
| 65 | }; |
| 66 | |
| 67 | &ak4613 { |
| 68 | /* |
| 69 | * (X) ak4613 |
| 70 | */ |
| 71 | #sound-dai-cells = <0>; |
| 72 | }; |
| 73 | |
| 74 | &rcar_sound { |
| 75 | #address-cells = <1>; |
| 76 | #size-cells = <0>; |
| 77 | #sound-dai-cells = <1>; |
| 78 | |
| 79 | rcar_sound,dai@0 { |
| 80 | reg = <0>; |
| 81 | |
| 82 | /* |
| 83 | * (A) CPU0 |
| 84 | */ |
| 85 | dai0 { |
| 86 | playback = <&src1 &ctu02 &mix0 &dvc0 &ssi0>; |
| 87 | capture = <&ssi1 &src0 &dvc1>; |
| 88 | }; |
| 89 | /* |
| 90 | * (B) CPU1 |
| 91 | */ |
| 92 | dai1 { |
| 93 | playback = <&src2 &ctu03 &mix0 &dvc0 &ssi0>; |
| 94 | }; |
| 95 | }; |
| 96 | }; |