sound/soc/generic/audio-graph-card2-custom-sample.dtsi

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * audio-graph-card2-custom-sample.dtsi
   4  *
   5  * Copyright (C) 2020 Renesas Electronics Corp.
   6  * Copyright (C) 2020 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
   7  *
   8  * This sample indicates how to use audio-graph-card2 and its
   9  * custom driver. "audio-graph-card2-custom-sample" is the custome driver
  10  * which is using audio-graph-card2.
  11  *
  12  * You can easily use this sample by adding below line on your DT file,
  13  * and add new CONFIG to your .config.
  14  *
  15  *      #include "../../../../../sound/soc/generic/audio-graph-card2-custom-sample.dtsi"
  16  *
  17  *      CONFIG_SND_AUDIO_GRAPH_CARD2
  18  *      CONFIG_SND_AUDIO_GRAPH_CARD2_CUSTOM_SAMPLE
  19  *      CONFIG_SND_TEST_COMPONENT
  20  *
  21  *
  22  * You can indicate more detail each device behavior as debug if you modify
  23  * "compatible" on each test-component. see below
  24  *
  25  *      test_cpu {
  26  *      -       compatible = "test-cpu";
  27  *      +       compatible = "test-cpu-verbose";
  28  *              ...
  29  *      };
  30  *
  31  *      test_codec {
  32  *      -       compatible = "test-codec";
  33  *      +       compatible = "test-codec-verbose";
  34  *              ...
  35  *      };
  36  *
  37  *
  38  * Below sample doesn't use "format" property,
  39  * because test-component driver (test-cpu/test-codec) is supporting
  40  * snd_soc_dai_ops :: .auto_selectable_formats.
  41  * see
  42  *      snd_soc_runtime_get_dai_fmt()
  43  *      linux/sound/soc/generic/test-component.c :: test_dai_formats
  44  */
  45 / {
  46         /*
  47          * @ : used at links
  48          *
  49          * [Normal]
  50          *      cpu0 <-@-----------------> codec0
  51          *
  52          * [Semi-Multi]
  53          *
  54          * CPU:Codec = 1:N
  55          *
  56          *                      +-+
  57          *      cpu7 <-@------->| |-> codec12
  58          *                      | |-> codec13
  59          *                      +-+
  60          *
  61          * [Multi-CPU/Codec]
  62          *              +-+             +-+
  63          *      cpu1 <--| |<-@--------->| |-> codec1
  64          *      cpu2 <--| |             | |-> codec2
  65          *              +-+             +-+
  66          *
  67          * [DPCM]
  68          *
  69          *      CPU3/CPU4 are converting rate to 44100
  70          *
  71          *      FE              BE
  72          *                ****
  73          *      cpu3 <-@--*  *--@-> codec3
  74          *      cpu4 <-@--*  *  (44.1kHz)
  75          *                ****
  76          *
  77          * [DPCM-Multi]
  78          *
  79          * --NOTE--
  80          * Multi-FE is not supported by ASoC.
  81          *
  82          *      FE              BE
  83          *                ****      +-+
  84          *      cpu5 <-@--*  *--@-> | | -> codec4
  85          *      cpu6 <-@--*  *      | | -> codec5
  86          *                ****      +-+
  87          *
  88          * [Codec2Codec]
  89          *                         +-@-> codec6
  90          *                         |
  91          *                         +---> codec7
  92          *
  93          * [Codec2Codec-Multi]
  94          *
  95          * --NOTE--
  96          * Multi connect N:M is not supported by ASoC.
  97          *
  98          *                              +-+
  99          *                         +-@->| |-> codec8
 100          *                         |    | |-> codec9
 101          *                         |    +-+
 102          *                         |    +-+
 103          *                         +--->| |-> codec10
 104          *                              | |-> codec11
 105          *                              +-+
 106          */
 107         audio-graph-card2-custom-sample {
 108                 /*
 109                  * You can use audio-graph-card2 directly by using
 110                  *
 111                  * compatible = "audio-graph-card2";
 112                  */
 113                 compatible = "audio-graph-card2-custom-sample";
 114
 115                         /* for [DPCM]              */
 116                         /* BE                   FE */
 117                 routing = "TC DAI3 Playback",   "DAI3 Playback",
 118                           "TC DAI3 Playback",   "DAI4 Playback",
 119                           "DAI3 Capture",       "TC DAI3 Capture",
 120                           "DAI4 Capture",       "TC DAI3 Capture",
 121                         /* for [DPCM-Multi]        */
 122                         /* BE                   FE */
 123                           "TC DAI4 Playback",   "DAI5 Playback",
 124                           "TC DAI5 Playback",   "DAI5 Playback",
 125                           "TC DAI4 Playback",   "DAI6 Playback",
 126                           "TC DAI5 Playback",   "DAI6 Playback",
 127                           "DAI5 Capture",       "TC DAI4 Capture",
 128                           "DAI5 Capture",       "TC DAI5 Capture",
 129                           "DAI6 Capture",       "TC DAI4 Capture",
 130                           "DAI6 Capture",       "TC DAI5 Capture",
 131                         /* for [Codec2Codec] */
 132                           "TC OUT",             "TC DAI7 Playback",
 133                           "TC DAI6 Capture",    "TC IN",
 134                         /* for [Codec2Codec-Multi] */
 135                           "TC OUT",             "TC DAI10 Playback",
 136                           "TC DAI8 Capture",    "TC IN",
 137                           "TC OUT",             "TC DAI11 Playback",
 138                           "TC DAI9 Capture",    "TC IN";
 139
 140                 links = <
 141                         /*
 142                          * [Normal]: cpu side only
 143                          * cpu0/codec0
 144                          */
 145                          &cpu0
 146
 147                         /* [Semi-Multi] */
 148                         &sm0
 149
 150                         /*
 151                          * [Multi-CPU/Codec]: cpu side only
 152                          * cpu1/cpu2/codec1/codec2
 153                          */
 154                          &mcpu0
 155
 156                         /*
 157                          * [DPCM]: both FE / BE
 158                          * cpu3/cpu4/codec3
 159                          */
 160                          &fe00 &fe01 &be0
 161
 162                         /*
 163                          * [DPCM-Multi]: both FE / BE
 164                          * cpu5/cpu6/codec4/codec5
 165                          */
 166                          &fe10 &fe11 &be1
 167
 168                         /*
 169                          * [Codec2Codec]: cpu side only
 170                          * codec6/codec7
 171                          */
 172                          &c2c
 173
 174                         /*
 175                          * [Codec2Codec-Multi]: cpu side only
 176                          * codec8/codec9/codec10/codec11
 177                          */
 178                          &c2c_m
 179                 >;
 180
 181                 multi {
 182                         #address-cells = <1>;
 183                         #size-cells = <0>;
 184
 185                         ports@0 {
 186                                 reg = <0>;
 187                                 #address-cells = <1>;
 188                                 #size-cells = <0>;
 189                         /* [Multi-CPU] */
 190                         mcpu0:  port@0 { reg = <0>; mcpu0_ep: endpoint { remote-endpoint = <&mcodec0_ep>; }; };
 191                                 port@1 { reg = <1>; mcpu1_ep: endpoint { remote-endpoint = <&cpu1_ep>;    }; };
 192                                 port@2 { reg = <2>; mcpu2_ep: endpoint { remote-endpoint = <&cpu2_ep>;    }; };
 193                         };
 194
 195                         /* [Multi-Codec] */
 196                         ports@1 {
 197                                 reg = <1>;
 198                                 #address-cells = <1>;
 199                                 #size-cells = <0>;
 200                                 port@0 { reg = <0>; mcodec0_ep: endpoint { remote-endpoint = <&mcpu0_ep>;  }; };
 201                                 port@1 { reg = <1>; mcodec1_ep: endpoint { remote-endpoint = <&codec1_ep>; }; };
 202                                 port@2 { reg = <2>; mcodec2_ep: endpoint { remote-endpoint = <&codec2_ep>; }; };
 203                         };
 204
 205                         /* [DPCM-Multi]::BE */
 206                         ports@2 {
 207                                 reg = <2>;
 208                                 #address-cells = <1>;
 209                                 #size-cells = <0>;
 210                                 port@0 { reg = <0>; mbe_ep:  endpoint { remote-endpoint = <&be10_ep>;  }; };
 211                                 port@1 { reg = <1>; mbe1_ep: endpoint { remote-endpoint = <&codec4_ep>; }; };
 212                                 port@2 { reg = <2>; mbe2_ep: endpoint { remote-endpoint = <&codec5_ep>; }; };
 213                         };
 214
 215                         /* [Codec2Codec-Multi]::CPU */
 216                         ports@3 {
 217                                 reg = <3>;
 218                                 #address-cells = <1>;
 219                                 #size-cells = <0>;
 220                                 port@0 { reg = <0>; mc2c0_ep:  endpoint { remote-endpoint = <&c2cmf_ep>;  }; };
 221                                 port@1 { reg = <1>; mc2c00_ep: endpoint { remote-endpoint = <&codec8_ep>; }; };
 222                                 port@2 { reg = <2>; mc2c01_ep: endpoint { remote-endpoint = <&codec9_ep>; }; };
 223                         };
 224
 225                         /* [Codec2Codec-Multi]::Codec */
 226                         ports@4 {
 227                                 reg = <4>;
 228                                 #address-cells = <1>;
 229                                 #size-cells = <0>;
 230                                 port@0 { reg = <0>; mc2c1_ep:  endpoint { remote-endpoint = <&c2cmb_ep>;  }; };
 231                                 port@1 { reg = <1>; mc2c10_ep: endpoint { remote-endpoint = <&codec10_ep>; }; };
 232                                 port@2 { reg = <2>; mc2c11_ep: endpoint { remote-endpoint = <&codec11_ep>; }; };
 233                         };
 234
 235                         /* [Semi-Multi] */
 236                         ports@5 {
 237                                 reg = <5>;
 238                                 #address-cells = <1>;
 239                                 #size-cells = <0>;
 240                                 port@0 { reg = <0>; smcodec0_ep: endpoint { remote-endpoint = <&cpu7_ep>;    }; };
 241                                 port@1 { reg = <1>; smcodec1_ep: endpoint { remote-endpoint = <&codec12_ep>; }; };
 242                                 port@2 { reg = <2>; smcodec2_ep: endpoint { remote-endpoint = <&codec13_ep>; }; };
 243                         };
 244                 };
 245
 246                 dpcm {
 247                         #address-cells = <1>;
 248                         #size-cells = <0>;
 249
 250                         ports@0 {
 251                                 reg = <0>;
 252
 253                                 #address-cells = <1>;
 254                                 #size-cells = <0>;
 255                         /* [DPCM]::FE */
 256                         fe00:   port@0 { reg = <0>; fe00_ep: endpoint { remote-endpoint = <&cpu3_ep>; }; };
 257                         fe01:   port@1 { reg = <1>; fe01_ep: endpoint { remote-endpoint = <&cpu4_ep>; }; };
 258
 259                         /* [DPCM-Multi]::FE */
 260                         fe10:   port@2 { reg = <2>; fe10_ep: endpoint { remote-endpoint = <&cpu5_ep>; }; };
 261                         fe11:   port@3 { reg = <3>; fe11_ep: endpoint { remote-endpoint = <&cpu6_ep>; }; };
 262                         };
 263
 264                         ports@1 {
 265                                 reg = <1>;
 266
 267                                 #address-cells = <1>;
 268                                 #size-cells = <0>;
 269                         /* [DPCM]::BE */
 270                         be0:    port@0 { reg = <0>; be00_ep: endpoint { remote-endpoint = <&codec3_ep>; }; };
 271
 272                         /* [DPCM-Multi]::BE */
 273                         be1:    port@1 { reg = <1>; be10_ep: endpoint { remote-endpoint = <&mbe_ep>; }; };
 274                         };
 275                 };
 276
 277                 codec2codec {
 278                         #address-cells = <1>;
 279                         #size-cells = <0>;
 280                         /* [Codec2Codec] */
 281                         ports@0 {
 282                                 reg = <0>;
 283
 284                                 #address-cells = <1>;
 285                                 #size-cells = <0>;
 286
 287                                 /* use default settings */
 288                         c2c:    port@0 { reg = <0>; c2cf_ep: endpoint { remote-endpoint = <&codec6_ep>; }; };
 289                                 port@1 { reg = <1>; c2cb_ep: endpoint { remote-endpoint = <&codec7_ep>; }; };
 290                         };
 291
 292                         /* [Codec2Codec-Multi] */
 293                         ports@1 {
 294                                 reg = <1>;
 295
 296                                 #address-cells = <1>;
 297                                 #size-cells = <0>;
 298
 299                                 /* use original settings */
 300                                 rate = <48000>;
 301                         c2c_m:  port@0 { reg = <0>; c2cmf_ep: endpoint { remote-endpoint = <&mc2c0_ep>; }; };
 302                                 port@1 { reg = <1>; c2cmb_ep: endpoint { remote-endpoint = <&mc2c1_ep>; }; };
 303                         };
 304                 };
 305         };
 306
 307         test_cpu {
 308                 /*
 309                  * update compatible to indicate more detail behaviour
 310                  * if you want. see test-compatible for more detail.
 311                  *
 312                  * ex)
 313                  *      - compatible = "test-cpu";
 314                  *      + compatible = "test-cpu-verbose";
 315                  */
 316                 compatible = "test-cpu";
 317                 ports {
 318                         #address-cells = <1>;
 319                         #size-cells = <0>;
 320
 321                         bitclock-master;
 322                         frame-master;
 323                         /* [Normal] */
 324                         cpu0: port@0 { reg = <0>; cpu0_ep: endpoint { remote-endpoint = <&codec0_ep>; }; };
 325
 326                         /* [Multi-CPU] */
 327                               port@1 { reg = <1>; cpu1_ep: endpoint { remote-endpoint = <&mcpu1_ep>; }; };
 328                               port@2 { reg = <2>; cpu2_ep: endpoint { remote-endpoint = <&mcpu2_ep>; }; };
 329
 330                         /* [DPCM]::FE */
 331                               port@3 { reg = <3>; cpu3_ep: endpoint { remote-endpoint = <&fe00_ep>; }; };
 332                               port@4 { reg = <4>; cpu4_ep: endpoint { remote-endpoint = <&fe01_ep>; }; };
 333
 334                         /* [DPCM-Multi]::FE */
 335                               port@5 { reg = <5>; cpu5_ep: endpoint { remote-endpoint = <&fe10_ep>; }; };
 336                               port@6 { reg = <6>; cpu6_ep: endpoint { remote-endpoint = <&fe11_ep>; }; };
 337
 338                         /* [Semi-Multi] */
 339                         sm0:  port@7 { reg = <7>; cpu7_ep: endpoint { remote-endpoint = <&smcodec0_ep>; }; };
 340                 };
 341         };
 342
 343         test_codec {
 344                 /*
 345                  * update compatible to indicate more detail behaviour
 346                  * if you want. see test-compatible for more detail.
 347                  *
 348                  * ex)
 349                  *      - compatible = "test-codec";
 350                  *      + compatible = "test-codec-verbose";
 351                  */
 352                 compatible = "test-codec";
 353                 ports {
 354                         #address-cells = <1>;
 355                         #size-cells = <0>;
 356
 357                         /*
 358                          * prefix can be added to *component*,
 359                          * see audio-graph-card2::routing
 360                          */
 361                         prefix = "TC";
 362
 363                         /* [Normal] */
 364                         port@0  { reg = <0>; codec0_ep:  endpoint { remote-endpoint = <&cpu0_ep>; }; };
 365
 366                         /* [Multi-Codec] */
 367                         port@1  { reg = <1>; codec1_ep:  endpoint { remote-endpoint = <&mcodec1_ep>; }; };
 368                         port@2  { reg = <2>; codec2_ep:  endpoint { remote-endpoint = <&mcodec2_ep>; }; };
 369
 370                         /* [DPCM]::BE */
 371                         port@3  {
 372                                 convert-rate = <44100>;
 373                                 reg = <3>; codec3_ep:  endpoint { remote-endpoint = <&be00_ep>; };
 374                         };
 375
 376                         /* [DPCM-Multi]::BE */
 377                         port@4  { reg = <4>; codec4_ep:  endpoint { remote-endpoint = <&mbe1_ep>; }; };
 378                         port@5  { reg = <5>; codec5_ep:  endpoint { remote-endpoint = <&mbe2_ep>; }; };
 379
 380                         /* [Codec2Codec] */
 381                         port@6  { bitclock-master;
 382                                   frame-master;
 383                                   reg = <6>; codec6_ep:  endpoint { remote-endpoint = <&c2cf_ep>; }; };
 384                         port@7  { reg = <7>; codec7_ep:  endpoint { remote-endpoint = <&c2cb_ep>; }; };
 385
 386                         /* [Codec2Codec-Multi] */
 387                         port@8  { bitclock-master;
 388                                   frame-master;
 389                                   reg = <8>;  codec8_ep:  endpoint { remote-endpoint = <&mc2c00_ep>; }; };
 390                         port@9  { reg = <9>;  codec9_ep:  endpoint { remote-endpoint = <&mc2c01_ep>; }; };
 391                         port@a  { reg = <10>; codec10_ep: endpoint { remote-endpoint = <&mc2c10_ep>; }; };
 392                         port@b  { reg = <11>; codec11_ep: endpoint { remote-endpoint = <&mc2c11_ep>; }; };
 393
 394                         /* [Semi-Multi] */
 395                         port@c { reg = <12>; codec12_ep: endpoint { remote-endpoint = <&smcodec1_ep>; }; };
 396                         port@d { reg = <13>; codec13_ep: endpoint { remote-endpoint = <&smcodec2_ep>; }; };
 397
 398                 };
 399         };
 400 };