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