| 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 (MIX + TDM Split) |
| 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 | * (C) CPU3 (2ch) ----> (8ch) (Y) PCM3168A-p (TDM-0 : 0,1ch) |
| 15 | * (D) CPU2 (2ch) --/ (TDM-1 : 2,3ch) |
| 16 | * (E) CPU4 (2ch) --/ (TDM-2 : 4,5ch) |
| 17 | * (F) CPU5 (2ch) --/ (TDM-3 : 6,7ch) |
| 18 | * (G) CPU6 (6ch) <---- (6ch) (Z) PCM3168A-c |
| 19 | * |
| 20 | * (A) aplay -D plughw:0,0 xxx.wav (MIX-0) |
| 21 | * (B) aplay -D plughw:0,1 xxx.wav (MIX-1) |
| 22 | * (C) aplay -D plughw:1,0 xxx.wav (TDM-0) |
| 23 | * (D) aplay -D plughw:1,1 xxx.wav (TDM-1) |
| 24 | * (E) aplay -D plughw:1,2 xxx.wav (TDM-2) |
| 25 | * (F) aplay -D plughw:1,3 xxx.wav (TDM-3) |
| 26 | * |
| 27 | * (A) arecord -D plughw:0,0 xxx.wav |
| 28 | * (G) arecord -D plughw:1,4 xxx.wav |
| 29 | */ |
| 30 | |
| 31 | / { |
| 32 | sound_card_kf: expand-sound { |
| 33 | #address-cells = <1>; |
| 34 | #size-cells = <0>; |
| 35 | |
| 36 | compatible = "simple-scu-audio-card"; |
| 37 | label = "snd-kf-split"; |
| 38 | |
| 39 | simple-audio-card,routing = "pcm3168a Playback", "DAI2 Playback", |
| 40 | "pcm3168a Playback", "DAI3 Playback", |
| 41 | "pcm3168a Playback", "DAI4 Playback", |
| 42 | "pcm3168a Playback", "DAI5 Playback"; |
| 43 | |
| 44 | simple-audio-card,dai-link@0 { |
| 45 | #address-cells = <1>; |
| 46 | #size-cells = <0>; |
| 47 | reg = <0>; |
| 48 | convert-channels = <8>; /* to 8ch TDM */ |
| 49 | |
| 50 | /* |
| 51 | * (C) CPU2 |
| 52 | */ |
| 53 | cpu@0 { |
| 54 | reg = <0>; |
| 55 | bitclock-master; |
| 56 | frame-master; |
| 57 | sound-dai = <&rcar_sound 2>; |
| 58 | }; |
| 59 | /* |
| 60 | * (D) CPU3 |
| 61 | */ |
| 62 | cpu@1 { |
| 63 | reg = <1>; |
| 64 | sound-dai = <&rcar_sound 3>; |
| 65 | }; |
| 66 | /* |
| 67 | * (E) CPU4 |
| 68 | */ |
| 69 | cpu@2 { |
| 70 | reg = <2>; |
| 71 | sound-dai = <&rcar_sound 4>; |
| 72 | }; |
| 73 | /* |
| 74 | * (F) CPU5 |
| 75 | */ |
| 76 | cpu@3 { |
| 77 | reg = <3>; |
| 78 | sound-dai = <&rcar_sound 5>; |
| 79 | }; |
| 80 | /* |
| 81 | * (Y) PCM3168A-p |
| 82 | */ |
| 83 | codec { |
| 84 | prefix = "pcm3168a"; |
| 85 | mclk-fs = <512>; |
| 86 | sound-dai = <&pcm3168a 0>; |
| 87 | }; |
| 88 | }; |
| 89 | |
| 90 | simple-audio-card,dai-link@1 { |
| 91 | reg = <1>; |
| 92 | /* |
| 93 | * (G) CPU6 |
| 94 | */ |
| 95 | cpu { |
| 96 | bitclock-master; |
| 97 | frame-master; |
| 98 | sound-dai = <&rcar_sound 6>; |
| 99 | }; |
| 100 | /* |
| 101 | * (Z) PCM3168A-c |
| 102 | */ |
| 103 | codec { |
| 104 | prefix = "pcm3168a"; |
| 105 | mclk-fs = <512>; |
| 106 | sound-dai = <&pcm3168a 1>; |
| 107 | }; |
| 108 | }; |
| 109 | }; |
| 110 | }; |
| 111 | |
| 112 | &pcm3168a { |
| 113 | /* |
| 114 | * (Y) PCM3168A-p |
| 115 | * (Z) PCM3168A-c |
| 116 | */ |
| 117 | #sound-dai-cells = <1>; |
| 118 | }; |
| 119 | |
| 120 | &rcar_sound { |
| 121 | rcar_sound,dai@1 { |
| 122 | reg = <1>; |
| 123 | |
| 124 | /* dai0-1 are defined in ulcb.dtsi */ |
| 125 | |
| 126 | /* |
| 127 | * (C) CPU2 |
| 128 | */ |
| 129 | dai2 { |
| 130 | playback = <&ssiu30 &ssi3>; |
| 131 | }; |
| 132 | /* |
| 133 | * (D) CPU3 |
| 134 | */ |
| 135 | dai3 { |
| 136 | playback = <&ssiu31 &ssi3>; |
| 137 | }; |
| 138 | /* |
| 139 | * (E) CPU4 |
| 140 | */ |
| 141 | dai4 { |
| 142 | playback = <&ssiu32 &ssi3>; |
| 143 | }; |
| 144 | /* |
| 145 | * (F) CPU5 |
| 146 | */ |
| 147 | dai5 { |
| 148 | playback = <&ssiu33 &ssi3>; |
| 149 | }; |
| 150 | /* |
| 151 | * (G) CPU6 |
| 152 | */ |
| 153 | dai6 { |
| 154 | capture = <&ssi4>; |
| 155 | }; |
| 156 | }; |
| 157 | }; |