Documentation/devicetree/bindings/sound/renesas,rsnd.txt

   1 Renesas R-Car sound
   2
   3 Required properties:
   4 - compatible                    : "renesas,rcar_sound-<soctype>", fallbacks
   5                                   "renesas,rcar_sound-gen1" if generation1, and
   6                                   "renesas,rcar_sound-gen2" if generation2
   7                                   Examples with soctypes are:
   8                                     - "renesas,rcar_sound-r8a7778" (R-Car M1A)
   9                                     - "renesas,rcar_sound-r8a7790" (R-Car H2)
  10                                     - "renesas,rcar_sound-r8a7791" (R-Car M2-W)
  11 - reg                           : Should contain the register physical address.
  12                                   required register is
  13                                    SRU/ADG/SSI      if generation1
  14                                    SRU/ADG/SSIU/SSI if generation2
  15 - rcar_sound,ssi                : Should contain SSI feature.
  16                                   The number of SSI subnode should be same as HW.
  17                                   see below for detail.
  18 - rcar_sound,src                : Should contain SRC feature.
  19                                   The number of SRC subnode should be same as HW.
  20                                   see below for detail.
  21 - rcar_sound,ctu                : Should contain CTU feature.
  22                                   The number of CTU subnode should be same as HW.
  23                                   see below for detail.
  24 - rcar_sound,mix                : Should contain MIX feature.
  25                                   The number of MIX subnode should be same as HW.
  26                                   see below for detail.
  27 - rcar_sound,dvc                : Should contain DVC feature.
  28                                   The number of DVC subnode should be same as HW.
  29                                   see below for detail.
  30 - rcar_sound,dai                : DAI contents.
  31                                   The number of DAI subnode should be same as HW.
  32                                   see below for detail.
  33
  34 SSI subnode properties:
  35 - interrupts                    : Should contain SSI interrupt for PIO transfer
  36 - shared-pin                    : if shared clock pin
  37 - pio-transfer                  : use PIO transfer mode
  38 - no-busif                      : BUSIF is not ussed when [mem -> SSI] via DMA case
  39 - dma                           : Should contain Audio DMAC entry
  40 - dma-names                     : SSI  case "rx"  (=playback), "tx"  (=capture)
  41                                   SSIU case "rxu" (=playback), "txu" (=capture)
  42
  43 SRC subnode properties:
  44 - dma                           : Should contain Audio DMAC entry
  45 - dma-names                     : "rx" (=playback), "tx" (=capture)
  46
  47 DVC subnode properties:
  48 - dma                           : Should contain Audio DMAC entry
  49 - dma-names                     : "tx" (=playback/capture)
  50
  51 DAI subnode properties:
  52 - playback                      : list of playback modules
  53 - capture                       : list of capture  modules
  54
  55 Example:
  56
  57 rcar_sound: sound@ec500000 {
  58         #sound-dai-cells = <1>;
  59         compatible = "renesas,rcar_sound-r8a7791", "renesas,rcar_sound-gen2";
  60         reg =   <0 0xec500000 0 0x1000>, /* SCU */
  61                 <0 0xec5a0000 0 0x100>,  /* ADG */
  62                 <0 0xec540000 0 0x1000>, /* SSIU */
  63                 <0 0xec541000 0 0x1280>, /* SSI */
  64                 <0 0xec740000 0 0x200>;  /* Audio DMAC peri peri*/
  65         reg-names = "scu", "adg", "ssiu", "ssi", "audmapp";
  66
  67         clocks = <&mstp10_clks R8A7790_CLK_SSI_ALL>,
  68                 <&mstp10_clks R8A7790_CLK_SSI9>, <&mstp10_clks R8A7790_CLK_SSI8>,
  69                 <&mstp10_clks R8A7790_CLK_SSI7>, <&mstp10_clks R8A7790_CLK_SSI6>,
  70                 <&mstp10_clks R8A7790_CLK_SSI5>, <&mstp10_clks R8A7790_CLK_SSI4>,
  71                 <&mstp10_clks R8A7790_CLK_SSI3>, <&mstp10_clks R8A7790_CLK_SSI2>,
  72                 <&mstp10_clks R8A7790_CLK_SSI1>, <&mstp10_clks R8A7790_CLK_SSI0>,
  73                 <&mstp10_clks R8A7790_CLK_SCU_SRC9>, <&mstp10_clks R8A7790_CLK_SCU_SRC8>,
  74                 <&mstp10_clks R8A7790_CLK_SCU_SRC7>, <&mstp10_clks R8A7790_CLK_SCU_SRC6>,
  75                 <&mstp10_clks R8A7790_CLK_SCU_SRC5>, <&mstp10_clks R8A7790_CLK_SCU_SRC4>,
  76                 <&mstp10_clks R8A7790_CLK_SCU_SRC3>, <&mstp10_clks R8A7790_CLK_SCU_SRC2>,
  77                 <&mstp10_clks R8A7790_CLK_SCU_SRC1>, <&mstp10_clks R8A7790_CLK_SCU_SRC0>,
  78                 <&mstp10_clks R8A7790_CLK_SCU_DVC0>, <&mstp10_clks R8A7790_CLK_SCU_DVC1>,
  79                 <&audio_clk_a>, <&audio_clk_b>, <&audio_clk_c>, <&m2_clk>;
  80         clock-names = "ssi-all",
  81                         "ssi.9", "ssi.8", "ssi.7", "ssi.6", "ssi.5",
  82                         "ssi.4", "ssi.3", "ssi.2", "ssi.1", "ssi.0",
  83                         "src.9", "src.8", "src.7", "src.6", "src.5",
  84                         "src.4", "src.3", "src.2", "src.1", "src.0",
  85                         "dvc.0", "dvc.1",
  86                         "clk_a", "clk_b", "clk_c", "clk_i";
  87
  88         rcar_sound,dvc {
  89                 dvc0: dvc@0 {
  90                         dmas = <&audma0 0xbc>;
  91                         dma-names = "tx";
  92                 };
  93                 dvc1: dvc@1 {
  94                         dmas = <&audma0 0xbe>;
  95                         dma-names = "tx";
  96                 };
  97         };
  98
  99         rcar_sound,mix {
 100                 mix0: mix@0 { };
 101                 mix1: mix@1 { };
 102         };
 103
 104         rcar_sound,ctu {
 105                 ctu00: ctu@0 { };
 106                 ctu01: ctu@1 { };
 107                 ctu02: ctu@2 { };
 108                 ctu03: ctu@3 { };
 109                 ctu10: ctu@4 { };
 110                 ctu11: ctu@5 { };
 111                 ctu12: ctu@6 { };
 112                 ctu13: ctu@7 { };
 113         };
 114
 115         rcar_sound,src {
 116                 src0: src@0 {
 117                         interrupts = <0 352 IRQ_TYPE_LEVEL_HIGH>;
 118                         dmas = <&audma0 0x85>, <&audma1 0x9a>;
 119                         dma-names = "rx", "tx";
 120                 };
 121                 src1: src@1 {
 122                         interrupts = <0 353 IRQ_TYPE_LEVEL_HIGH>;
 123                         dmas = <&audma0 0x87>, <&audma1 0x9c>;
 124                         dma-names = "rx", "tx";
 125                 };
 126                 src2: src@2 {
 127                         interrupts = <0 354 IRQ_TYPE_LEVEL_HIGH>;
 128                         dmas = <&audma0 0x89>, <&audma1 0x9e>;
 129                         dma-names = "rx", "tx";
 130                 };
 131                 src3: src@3 {
 132                         interrupts = <0 355 IRQ_TYPE_LEVEL_HIGH>;
 133                         dmas = <&audma0 0x8b>, <&audma1 0xa0>;
 134                         dma-names = "rx", "tx";
 135                 };
 136                 src4: src@4 {
 137                         interrupts = <0 356 IRQ_TYPE_LEVEL_HIGH>;
 138                         dmas = <&audma0 0x8d>, <&audma1 0xb0>;
 139                         dma-names = "rx", "tx";
 140                 };
 141                 src5: src@5 {
 142                         interrupts = <0 357 IRQ_TYPE_LEVEL_HIGH>;
 143                         dmas = <&audma0 0x8f>, <&audma1 0xb2>;
 144                         dma-names = "rx", "tx";
 145                 };
 146                 src6: src@6 {
 147                         interrupts = <0 358 IRQ_TYPE_LEVEL_HIGH>;
 148                         dmas = <&audma0 0x91>, <&audma1 0xb4>;
 149                         dma-names = "rx", "tx";
 150                 };
 151                 src7: src@7 {
 152                         interrupts = <0 359 IRQ_TYPE_LEVEL_HIGH>;
 153                         dmas = <&audma0 0x93>, <&audma1 0xb6>;
 154                         dma-names = "rx", "tx";
 155                 };
 156                 src8: src@8 {
 157                         interrupts = <0 360 IRQ_TYPE_LEVEL_HIGH>;
 158                         dmas = <&audma0 0x95>, <&audma1 0xb8>;
 159                         dma-names = "rx", "tx";
 160                 };
 161                 src9: src@9 {
 162                         interrupts = <0 361 IRQ_TYPE_LEVEL_HIGH>;
 163                         dmas = <&audma0 0x97>, <&audma1 0xba>;
 164                         dma-names = "rx", "tx";
 165                 };
 166         };
 167
 168         rcar_sound,ssi {
 169                 ssi0: ssi@0 {
 170                         interrupts = <0 370 IRQ_TYPE_LEVEL_HIGH>;
 171                         dmas = <&audma0 0x01>, <&audma1 0x02>, <&audma0 0x15>, <&audma1 0x16>;
 172                         dma-names = "rx", "tx", "rxu", "txu";
 173                 };
 174                 ssi1: ssi@1 {
 175                         interrupts = <0 371 IRQ_TYPE_LEVEL_HIGH>;
 176                         dmas = <&audma0 0x03>, <&audma1 0x04>, <&audma0 0x49>, <&audma1 0x4a>;
 177                         dma-names = "rx", "tx", "rxu", "txu";
 178                 };
 179                 ssi2: ssi@2 {
 180                         interrupts = <0 372 IRQ_TYPE_LEVEL_HIGH>;
 181                         dmas = <&audma0 0x05>, <&audma1 0x06>, <&audma0 0x63>, <&audma1 0x64>;
 182                         dma-names = "rx", "tx", "rxu", "txu";
 183                 };
 184                 ssi3: ssi@3 {
 185                         interrupts = <0 373 IRQ_TYPE_LEVEL_HIGH>;
 186                         dmas = <&audma0 0x07>, <&audma1 0x08>, <&audma0 0x6f>, <&audma1 0x70>;
 187                         dma-names = "rx", "tx", "rxu", "txu";
 188                 };
 189                 ssi4: ssi@4 {
 190                         interrupts = <0 374 IRQ_TYPE_LEVEL_HIGH>;
 191                         dmas = <&audma0 0x09>, <&audma1 0x0a>, <&audma0 0x71>, <&audma1 0x72>;
 192                         dma-names = "rx", "tx", "rxu", "txu";
 193                 };
 194                 ssi5: ssi@5 {
 195                         interrupts = <0 375 IRQ_TYPE_LEVEL_HIGH>;
 196                         dmas = <&audma0 0x0b>, <&audma1 0x0c>, <&audma0 0x73>, <&audma1 0x74>;
 197                         dma-names = "rx", "tx", "rxu", "txu";
 198                 };
 199                 ssi6: ssi@6 {
 200                         interrupts = <0 376 IRQ_TYPE_LEVEL_HIGH>;
 201                         dmas = <&audma0 0x0d>, <&audma1 0x0e>, <&audma0 0x75>, <&audma1 0x76>;
 202                         dma-names = "rx", "tx", "rxu", "txu";
 203                 };
 204                 ssi7: ssi@7 {
 205                         interrupts = <0 377 IRQ_TYPE_LEVEL_HIGH>;
 206                         dmas = <&audma0 0x0f>, <&audma1 0x10>, <&audma0 0x79>, <&audma1 0x7a>;
 207                         dma-names = "rx", "tx", "rxu", "txu";
 208                 };
 209                 ssi8: ssi@8 {
 210                         interrupts = <0 378 IRQ_TYPE_LEVEL_HIGH>;
 211                         dmas = <&audma0 0x11>, <&audma1 0x12>, <&audma0 0x7b>, <&audma1 0x7c>;
 212                         dma-names = "rx", "tx", "rxu", "txu";
 213                 };
 214                 ssi9: ssi@9 {
 215                         interrupts = <0 379 IRQ_TYPE_LEVEL_HIGH>;
 216                         dmas = <&audma0 0x13>, <&audma1 0x14>, <&audma0 0x7d>, <&audma1 0x7e>;
 217                         dma-names = "rx", "tx", "rxu", "txu";
 218                 };
 219         };
 220
 221         rcar_sound,dai {
 222                 dai0 {
 223                         playback = <&ssi5 &src5>;
 224                         capture  = <&ssi6>;
 225                 };
 226                 dai1 {
 227                         playback = <&ssi3>;
 228                 };
 229                 dai2 {
 230                         capture  = <&ssi4>;
 231                 };
 232                 dai3 {
 233                         playback = <&ssi7>;
 234                 };
 235                 dai4 {
 236                         capture  = <&ssi8>;
 237                 };
 238         };
 239 };