| 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 + Audio Graph Card2 (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 | * |
| 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 | sound_card: sound { |
| 22 | compatible = "audio-graph-card2"; |
| 23 | label = "snd-ulcb-mix"; |
| 24 | |
| 25 | routing = "ak4613 Playback", "DAI0 Playback", |
| 26 | "ak4613 Playback", "DAI1 Playback", |
| 27 | "DAI0 Capture", "ak4613 Capture"; |
| 28 | |
| 29 | links = <&fe_a /* (A) CPU0 */ |
| 30 | &fe_b /* (B) CPU1 */ |
| 31 | &be_x /* (X) ak4613 */ |
| 32 | >; |
| 33 | |
| 34 | dpcm { |
| 35 | #address-cells = <1>; |
| 36 | #size-cells = <0>; |
| 37 | |
| 38 | ports@0 { |
| 39 | #address-cells = <1>; |
| 40 | #size-cells = <0>; |
| 41 | reg = <0>; |
| 42 | /* |
| 43 | * FE |
| 44 | * (A) CPU0 (MIX-0) |
| 45 | * (B) CPU1 (MIX-1) |
| 46 | */ |
| 47 | fe_a: port@0 { reg = <0>; fe_a_ep: endpoint { remote-endpoint = <&rsnd_a_ep>; }; }; |
| 48 | fe_b: port@1 { reg = <1>; fe_b_ep: endpoint { remote-endpoint = <&rsnd_b_ep>; }; }; |
| 49 | }; |
| 50 | |
| 51 | ports@1 { |
| 52 | reg = <1>; |
| 53 | /* |
| 54 | * BE |
| 55 | * (X) ak4613 |
| 56 | */ |
| 57 | be_x: port { be_x_ep: endpoint { remote-endpoint = <&ak4613_x_ep>; }; }; |
| 58 | }; |
| 59 | }; |
| 60 | }; |
| 61 | }; |
| 62 | |
| 63 | &ak4613 { |
| 64 | port { |
| 65 | /* |
| 66 | * (X) ak4613 |
| 67 | */ |
| 68 | prefix = "ak4613"; |
| 69 | convert-rate = <48000>; |
| 70 | |
| 71 | ak4613_x_ep: endpoint { |
| 72 | remote-endpoint = <&be_x_ep>; |
| 73 | }; |
| 74 | }; |
| 75 | }; |
| 76 | |
| 77 | &rcar_sound { |
| 78 | #address-cells = <1>; |
| 79 | #size-cells = <0>; |
| 80 | |
| 81 | ports@0 { |
| 82 | #address-cells = <1>; |
| 83 | #size-cells = <0>; |
| 84 | reg = <0>; |
| 85 | |
| 86 | /* |
| 87 | * (A) CPU0 |
| 88 | */ |
| 89 | port@0 { |
| 90 | reg = <0>; |
| 91 | rsnd_a_ep: endpoint { |
| 92 | remote-endpoint = <&fe_a_ep>; |
| 93 | bitclock-master; |
| 94 | frame-master; |
| 95 | playback = <&src1 &ctu02 &mix0 &dvc0 &ssi0>; |
| 96 | capture = <&ssi1 &src0 &dvc1>; |
| 97 | }; |
| 98 | }; |
| 99 | /* |
| 100 | * (B) CPU1 |
| 101 | */ |
| 102 | port@1 { |
| 103 | reg = <1>; |
| 104 | rsnd_b_ep: endpoint { |
| 105 | remote-endpoint = <&fe_b_ep>; |
| 106 | bitclock-master; |
| 107 | frame-master; |
| 108 | playback = <&src2 &ctu03 &mix0 &dvc0 &ssi0>; |
| 109 | }; |
| 110 | }; |
| 111 | }; |
| 112 | }; |