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