arch/arm64/boot/dts/renesas/ulcb-kf-simple-audio-card-mix+split.dtsi

   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 };