| 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 + Audio Graph 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 (8ch) |
| 12 | * (D) CPU3 <---- PCM3168A-c (6ch) |
| 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 | sound_card_kf: expand-sound { |
| 23 | compatible = "audio-graph-card"; |
| 24 | label = "snd-kf"; |
| 25 | |
| 26 | dais = <&snd_kf1 /* (C) CPU2 -> PCM3168A-p */ |
| 27 | &snd_kf2 /* (D) CPU3 <- PCM3168A-c */ |
| 28 | >; |
| 29 | }; |
| 30 | }; |
| 31 | |
| 32 | &pcm3168a { |
| 33 | ports { |
| 34 | #address-cells = <1>; |
| 35 | #size-cells = <0>; |
| 36 | mclk-fs = <512>; |
| 37 | /* |
| 38 | * (C) CPU2 -> PCM3168A-p |
| 39 | */ |
| 40 | port@0 { |
| 41 | reg = <0>; |
| 42 | pcm3168a_endpoint_p: endpoint { |
| 43 | remote-endpoint = <&rsnd_for_pcm3168a_play>; |
| 44 | clocks = <&clksndsel>; |
| 45 | }; |
| 46 | }; |
| 47 | /* |
| 48 | * (D) CPU3 <- PCM3168A-c |
| 49 | */ |
| 50 | port@1 { |
| 51 | reg = <1>; |
| 52 | pcm3168a_endpoint_c: endpoint { |
| 53 | remote-endpoint = <&rsnd_for_pcm3168a_capture>; |
| 54 | clocks = <&clksndsel>; |
| 55 | }; |
| 56 | }; |
| 57 | }; |
| 58 | }; |
| 59 | |
| 60 | &rcar_sound { |
| 61 | ports@1 { |
| 62 | #address-cells = <1>; |
| 63 | #size-cells = <0>; |
| 64 | reg = <1>; |
| 65 | |
| 66 | /* |
| 67 | * (C) CPU2 -> PCM3168A-p |
| 68 | */ |
| 69 | snd_kf1: port@2 { |
| 70 | reg = <2>; |
| 71 | rsnd_for_pcm3168a_play: endpoint { |
| 72 | remote-endpoint = <&pcm3168a_endpoint_p>; |
| 73 | bitclock-master; |
| 74 | frame-master; |
| 75 | dai-tdm-slot-num = <8>; |
| 76 | playback = <&ssi3>; |
| 77 | }; |
| 78 | }; |
| 79 | /* |
| 80 | * (D) CPU3 <- PCM3168A-c |
| 81 | */ |
| 82 | snd_kf2: port@3 { |
| 83 | reg = <3>; |
| 84 | rsnd_for_pcm3168a_capture: endpoint { |
| 85 | remote-endpoint = <&pcm3168a_endpoint_c>; |
| 86 | bitclock-master; |
| 87 | frame-master; |
| 88 | dai-tdm-slot-num = <6>; |
| 89 | capture = <&ssi4>; |
| 90 | }; |
| 91 | }; |
| 92 | }; |
| 93 | }; |