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

   1 Renesas R-Car sound
   2
   3 Required properties:
   4 - compatible                    : "renesas,rcar_sound-gen1" if generation1
   5                                   "renesas,rcar_sound-gen2" if generation2
   6 - reg                           : Should contain the register physical address.
   7                                   required register is
   8                                    SRU/ADG/SSI      if generation1
   9                                    SRU/ADG/SSIU/SSI if generation2
  10 - rcar_sound,ssi                : SSI subnode
  11 - rcar_sound,scu                : SCU subnode
  12 - rcar_sound,dai                : DAI subnode
  13
  14 SSI subnode properties:
  15 - interrupts                    : Should contain SSI interrupt for PIO transfer
  16 - shared-pin                    : if shared clock pin
  17
  18 DAI subnode properties:
  19 - playback                      : list of playback modules
  20 - capture                       : list of capture  modules
  21
  22 Example:
  23
  24 rcar_sound: rcar_sound@0xffd90000 {
  25         #sound-dai-cells = <1>;
  26         compatible = "renesas,rcar_sound-gen2";
  27         reg =   <0 0xec500000 0 0x1000>, /* SCU */
  28                 <0 0xec5a0000 0 0x100>,  /* ADG */
  29                 <0 0xec540000 0 0x1000>, /* SSIU */
  30                 <0 0xec541000 0 0x1280>; /* SSI */
  31
  32         rcar_sound,src {
  33                 src0: src@0 { };
  34                 src1: src@1 { };
  35                 src2: src@2 { };
  36                 src3: src@3 { };
  37                 src4: src@4 { };
  38                 src5: src@5 { };
  39                 src6: src@6 { };
  40                 src7: src@7 { };
  41                 src8: src@8 { };
  42                 src9: src@9 { };
  43         };
  44
  45         rcar_sound,ssi {
  46                 ssi0: ssi@0 {
  47                         interrupts = <0 370 IRQ_TYPE_LEVEL_HIGH>;
  48                 };
  49                 ssi1: ssi@1 {
  50                         interrupts = <0 371 IRQ_TYPE_LEVEL_HIGH>;
  51                 };
  52                 ssi2: ssi@2 {
  53                         interrupts = <0 372 IRQ_TYPE_LEVEL_HIGH>;
  54                 };
  55                 ssi3: ssi@3 {
  56                         interrupts = <0 373 IRQ_TYPE_LEVEL_HIGH>;
  57                 };
  58                 ssi4: ssi@4 {
  59                         interrupts = <0 374 IRQ_TYPE_LEVEL_HIGH>;
  60                 };
  61                 ssi5: ssi@5 {
  62                         interrupts = <0 375 IRQ_TYPE_LEVEL_HIGH>;
  63                 };
  64                 ssi6: ssi@6 {
  65                         interrupts = <0 376 IRQ_TYPE_LEVEL_HIGH>;
  66                 };
  67                 ssi7: ssi@7 {
  68                         interrupts = <0 377 IRQ_TYPE_LEVEL_HIGH>;
  69                 };
  70                 ssi8: ssi@8 {
  71                         interrupts = <0 378 IRQ_TYPE_LEVEL_HIGH>;
  72                 };
  73                 ssi9: ssi@9 {
  74                         interrupts = <0 379 IRQ_TYPE_LEVEL_HIGH>;
  75                 };
  76         };
  77
  78         rcar_sound,dai {
  79                 dai0 {
  80                         playback = <&ssi5 &src5>;
  81                         capture  = <&ssi6>;
  82                 };
  83                 dai1 {
  84                         playback = <&ssi3>;
  85                 };
  86                 dai2 {
  87                         capture  = <&ssi4>;
  88                 };
  89                 dai3 {
  90                         playback = <&ssi7>;
  91                 };
  92                 dai4 {
  93                         capture  = <&ssi8>;
  94                 };
  95         };
  96 };