arch/arm64/boot/dts/renesas/ulcb-kf-audio-graph-card2-mix+split.dtsi

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Device Tree for ULCB + Kingfisher + 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  *      (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         sound_card_kf: expand-sound {
  32                 compatible = "audio-graph-card2";
  33                 label = "snd-kf-split";
  34
  35                 routing = "pcm3168a Playback", "DAI2 Playback",
  36                           "pcm3168a Playback", "DAI3 Playback",
  37                           "pcm3168a Playback", "DAI4 Playback",
  38                           "pcm3168a Playback", "DAI5 Playback",
  39                           "DAI6 Capture",      "pcm3168a Capture";
  40
  41                 links = <&fe_c          /* (C) CPU2       */
  42                          &fe_d          /* (D) CPU3       */
  43                          &fe_e          /* (E) CPU4       */
  44                          &fe_f          /* (F) CPU5       */
  45                          &rsnd_g        /* (G) CPU6       */
  46                          &be_y          /* (Y) PCM3168A-p */
  47                 >;
  48
  49                 dpcm {
  50                         #address-cells = <1>;
  51                         #size-cells = <0>;
  52
  53                         ports@0 {
  54                                 #address-cells = <1>;
  55                                 #size-cells = <0>;
  56                                 reg = <0>;
  57
  58                                 /*
  59                                  * FE
  60                                  *
  61                                  * (C) CPU2
  62                                  * (D) CPU3
  63                                  * (E) CPU4
  64                                  * (F) CPU5
  65                                  */
  66                         fe_c:   port@2 { reg = <2>; fe_c_ep: endpoint { remote-endpoint = <&rsnd_c_ep>; }; };
  67                         fe_d:   port@3 { reg = <3>; fe_d_ep: endpoint { remote-endpoint = <&rsnd_d_ep>; }; };
  68                         fe_e:   port@4 { reg = <4>; fe_e_ep: endpoint { remote-endpoint = <&rsnd_e_ep>; }; };
  69                         fe_f:   port@5 { reg = <5>; fe_f_ep: endpoint { remote-endpoint = <&rsnd_f_ep>; }; };
  70                         };
  71
  72                         ports@1 {
  73                                 reg = <1>;
  74                                 /*
  75                                  * BE
  76                                  *
  77                                  * (Y) PCM3168A-p
  78                                  */
  79                         be_y:   port { be_y_ep: endpoint { remote-endpoint = <&pcm3168a_y_ep>; }; };
  80                         };
  81                 };
  82         };
  83 };
  84
  85 &pcm3168a {
  86         ports {
  87                 #address-cells = <1>;
  88                 #size-cells = <0>;
  89
  90                 mclk-fs = <512>;
  91                 prefix = "pcm3168a";
  92
  93                 /*
  94                  * (Y) PCM3168A-p
  95                  */
  96                 port@0 {
  97                         reg = <0>;
  98                         convert-channels = <8>; /* to 8ch TDM */
  99                         pcm3168a_y_ep: endpoint {
 100                                 remote-endpoint = <&be_y_ep>;
 101                                 clocks = <&clksndsel>;
 102                         };
 103                 };
 104                 /*
 105                  * (Z) PCM3168A-c
 106                  */
 107                 port@1 {
 108                         reg = <1>;
 109                         pcm3168a_z_ep: endpoint {
 110                                 remote-endpoint = <&rsnd_g_ep>;
 111                                 clocks = <&clksndsel>;
 112                         };
 113                 };
 114         };
 115 };
 116
 117 &rcar_sound {
 118         ports@1 {
 119                 #address-cells = <1>;
 120                 #size-cells = <0>;
 121                 reg = <1>;
 122
 123                 /*
 124                  * (C) CPU2
 125                  */
 126                 port@2 {
 127                         reg = <2>;
 128                         rsnd_c_ep: endpoint {
 129                                 remote-endpoint = <&fe_c_ep>;
 130                                 bitclock-master;
 131                                 frame-master;
 132                                 playback = <&ssiu30 &ssi3>;
 133                         };
 134                 };
 135                 /*
 136                  * (D) CPU3
 137                  */
 138                 port@3 {
 139                         reg = <3>;
 140                         rsnd_d_ep: endpoint {
 141                                 remote-endpoint = <&fe_d_ep>;
 142                                 bitclock-master;
 143                                 frame-master;
 144                                 playback = <&ssiu31 &ssi3>;
 145                         };
 146                 };
 147                 /*
 148                  * (E) CPU4
 149                  */
 150                 port@4 {
 151                         reg = <4>;
 152                         rsnd_e_ep: endpoint {
 153                                 remote-endpoint = <&fe_e_ep>;
 154                                 bitclock-master;
 155                                 frame-master;
 156                                 playback = <&ssiu32 &ssi3>;
 157                         };
 158                 };
 159                 /*
 160                  * (F) CPU5
 161                  */
 162                 port@5 {
 163                         reg = <5>;
 164                         rsnd_f_ep: endpoint {
 165                                 remote-endpoint = <&fe_f_ep>;
 166                                 bitclock-master;
 167                                 frame-master;
 168                                 playback = <&ssiu33 &ssi3>;
 169                         };
 170                 };
 171                 /*
 172                  * (G) CPU6
 173                  */
 174                 rsnd_g: port@6 {
 175                         reg = <6>;
 176                         rsnd_g_ep: endpoint {
 177                                 remote-endpoint = <&pcm3168a_z_ep>;
 178                                 bitclock-master;
 179                                 frame-master;
 180                                 capture = <&ssi4>;
 181                         };
 182                 };
 183         };
 184 };