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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Device Tree for ULCB + Kingfisher + Audio Graph 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) CPU2 (2ch)  ----> (8ch) (Y) PCM3168A-p (TDM-0 : 0,1ch)
  15  *      (D) CPU3 (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-scu-card";
  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
  40                 dais = <&snd_kf1 /* (C) CPU2 */
  41                         &snd_kf2 /* (D) CPU3 */
  42                         &snd_kf3 /* (E) CPU4 */
  43                         &snd_kf4 /* (F) CPU5 */
  44                         &snd_kf5 /* (G) GPU6 */
  45                 >;
  46         };
  47 };
  48
  49 &pcm3168a {
  50         ports {
  51                 #address-cells = <1>;
  52                 #size-cells = <0>;
  53                 mclk-fs = <512>;
  54
  55                 /*
  56                  * (Y) PCM3168A-p
  57                  */
  58                 port@0 {
  59                         #address-cells = <1>;
  60                         #size-cells = <0>;
  61                         reg = <0>;
  62                         prefix = "pcm3168a";
  63                         convert-channels = <8>; /* to 8ch TDM */
  64
  65                         /* (C) CPU2 -> (Y) PCM3168A-p */
  66                         pcm3168a_endpoint_p1: endpoint@0 {
  67                                 reg = <0>;
  68                                 remote-endpoint = <&rsnd_for_pcm3168a_play1>;
  69                                 clocks = <&clksndsel>;
  70                         };
  71                         /* (D) CPU3 -> (Y) PCM3168A-p */
  72                         pcm3168a_endpoint_p2: endpoint@1 {
  73                                 reg = <1>;
  74                                 remote-endpoint = <&rsnd_for_pcm3168a_play2>;
  75                                 clocks = <&clksndsel>;
  76                         };
  77                         /* (E) CPU4 -> (Y) PCM3168A-p */
  78                         pcm3168a_endpoint_p3: endpoint@2 {
  79                                 reg = <2>;
  80                                 remote-endpoint = <&rsnd_for_pcm3168a_play3>;
  81                                 clocks = <&clksndsel>;
  82                         };
  83                         /* (F) CPU5 -> (Y) PCM3168A-p */
  84                         pcm3168a_endpoint_p4: endpoint@3 {
  85                                 reg = <3>;
  86                                 remote-endpoint = <&rsnd_for_pcm3168a_play4>;
  87                                 clocks = <&clksndsel>;
  88                         };
  89                 };
  90                 /*
  91                  * (Z) PCM3168A-c
  92                  */
  93                 port@1 {
  94                         reg = <1>;
  95                         /* (G) CPU6 <- PCM3168A-c */
  96                         pcm3168a_endpoint_c: endpoint {
  97                                 remote-endpoint = <&rsnd_for_pcm3168a_capture>;
  98                                 clocks = <&clksndsel>;
  99                         };
 100                 };
 101         };
 102 };
 103
 104 &rcar_sound {
 105         ports@1 {
 106                 #address-cells = <1>;
 107                 #size-cells = <0>;
 108                 reg = <1>;
 109
 110                 /*
 111                  * (C) CPU2
 112                  */
 113                 snd_kf1: port@2 {
 114                         reg = <2>;
 115                         rsnd_for_pcm3168a_play1: endpoint {
 116                                 remote-endpoint = <&pcm3168a_endpoint_p1>;
 117                                 bitclock-master;
 118                                 frame-master;
 119                                 playback = <&ssiu30 &ssi3>;
 120                         };
 121                 };
 122                 /*
 123                  * (D) CPU3
 124                  */
 125                 snd_kf2: port@3 {
 126                         reg = <3>;
 127                         rsnd_for_pcm3168a_play2: endpoint {
 128                                 remote-endpoint = <&pcm3168a_endpoint_p2>;
 129                                 bitclock-master;
 130                                 frame-master;
 131                                 playback = <&ssiu31 &ssi3>;
 132                         };
 133                 };
 134                 /*
 135                  * (E) CPU4
 136                  */
 137                 snd_kf3: port@4 {
 138                         reg = <4>;
 139                         rsnd_for_pcm3168a_play3: endpoint {
 140                                 remote-endpoint = <&pcm3168a_endpoint_p3>;
 141                                 bitclock-master;
 142                                 frame-master;
 143                                 playback = <&ssiu32 &ssi3>;
 144                         };
 145                 };
 146                 /*
 147                  * (F) CPU5
 148                  */
 149                 snd_kf4: port@5 {
 150                         reg = <5>;
 151                         rsnd_for_pcm3168a_play4: endpoint {
 152                                 remote-endpoint = <&pcm3168a_endpoint_p4>;
 153                                 bitclock-master;
 154                                 frame-master;
 155                                 playback = <&ssiu33 &ssi3>;
 156                         };
 157                 };
 158                 /*
 159                  * (G) CPU6
 160                  */
 161                 snd_kf5: port@6 {
 162                         reg = <6>;
 163                         rsnd_for_pcm3168a_capture: endpoint {
 164                                 remote-endpoint = <&pcm3168a_endpoint_c>;
 165                                 bitclock-master;
 166                                 frame-master;
 167                                 dai-tdm-slot-num = <6>;
 168                                 capture  = <&ssi4>;
 169                         };
 170                 };
 171         };
 172 };