amlogic,axg-sound-card.txt

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    1 Amlogic AXG sound card:
    2 
    3 Required properties:
    4 
    5 - compatible: "amlogic,axg-sound-card"
    6 - model : User specified audio sound card name, one string
    7 
    8 Optional properties:
    9 
   10 - audio-aux-devs : List of phandles pointing to auxiliary devices
   11 - audio-widgets : Please refer to widgets.txt.
   12 - audio-routing : A list of the connections between audio components.
   13 
   14 Subnodes:
   15 
   16 - dai-link: Container for dai-link level properties and the CODEC
   17             sub-nodes. There should be at least one (and probably more)
   18             subnode of this type.
   19 
   20 Required dai-link properties:
   21 
   22 - sound-dai: phandle and port of the CPU DAI.
   23 
   24 Required TDM Backend dai-link properties:
   25 - dai-format : CPU/CODEC common audio format
   26 
   27 Optional TDM Backend dai-link properties:
   28 - dai-tdm-slot-rx-mask-{0,1,2,3}: Receive direction slot masks
   29 - dai-tdm-slot-tx-mask-{0,1,2,3}: Transmit direction slot masks
   30                                   When omitted, mask is assumed to have to no
   31                                   slots. A valid must have at one slot, so at
   32                                   least one these mask should be provided with
   33                                   an enabled slot.
   34 - dai-tdm-slot-num : Please refer to tdm-slot.txt.
   35                      If omitted, slot number is set to accommodate the largest
   36                      mask provided.
   37 - dai-tdm-slot-width : Please refer to tdm-slot.txt. default to 32 if omitted.
   38 - mclk-fs : Multiplication factor between stream rate and mclk
   39 
   40 Backend dai-link subnodes:
   41 
   42 - codec: dai-link representing backend links should have at least one subnode.
   43          One subnode for each codec of the dai-link.
   44          dai-link representing frontend links have no codec, therefore have no
   45          subnodes
   46 
   47 Required codec subnodes properties:
   48 
   49 - sound-dai: phandle and port of the CODEC DAI.
   50 
   51 Optional codec subnodes properties:
   52 
   53 - dai-tdm-slot-tx-mask : Please refer to tdm-slot.txt.
   54 - dai-tdm-slot-rx-mask : Please refer to tdm-slot.txt.
   55 
   56 Example:
   57 
   58 sound {
   59         compatible = "amlogic,axg-sound-card";
   60         model = "AXG-S420";
   61         audio-aux-devs = <&tdmin_a>, <&tdmout_c>;
   62         audio-widgets = "Line", "Lineout",
   63                         "Line", "Linein",
   64                         "Speaker", "Speaker1 Left",
   65                         "Speaker", "Speaker1 Right";
   66                         "Speaker", "Speaker2 Left",
   67                         "Speaker", "Speaker2 Right";
   68         audio-routing = "TDMOUT_C IN 0", "FRDDR_A OUT 2",
   69                         "SPDIFOUT IN 0", "FRDDR_A OUT 3",
   70                         "TDM_C Playback", "TDMOUT_C OUT",
   71                         "TDMIN_A IN 2", "TDM_C Capture",
   72                         "TDMIN_A IN 5", "TDM_C Loopback",
   73                         "TODDR_A IN 0", "TDMIN_A OUT",
   74                         "Lineout", "Lineout AOUTL",
   75                         "Lineout", "Lineout AOUTR",
   76                         "Speaker1 Left", "SPK1 OUT_A",
   77                         "Speaker2 Left", "SPK2 OUT_A",
   78                         "Speaker1 Right", "SPK1 OUT_B",
   79                         "Speaker2 Right", "SPK2 OUT_B",
   80                         "Linein AINL", "Linein",
   81                         "Linein AINR", "Linein";
   82 
   83         dai-link@0 {
   84                 sound-dai = <&frddr_a>;
   85         };
   86 
   87         dai-link@1 {
   88                 sound-dai = <&toddr_a>;
   89         };
   90 
   91         dai-link@2 {
   92                 sound-dai = <&tdmif_c>;
   93                 dai-format = "i2s";
   94                 dai-tdm-slot-tx-mask-2 = <1 1>;
   95                 dai-tdm-slot-tx-mask-3 = <1 1>;
   96                 dai-tdm-slot-rx-mask-1 = <1 1>;
   97                 mclk-fs = <256>;
   98 
   99                 codec@0 {
  100                         sound-dai = <&lineout>;
  101                 };
  102 
  103                 codec@1 {
  104                         sound-dai = <&speaker_amp1>;
  105                 };
  106 
  107                 codec@2 {
  108                         sound-dai = <&speaker_amp2>;
  109                 };
  110 
  111                 codec@3 {
  112                         sound-dai = <&linein>;
  113                 };
  114 
  115         };
  116 
  117         dai-link@3 {
  118                 sound-dai = <&spdifout>;
  119 
  120                 codec {
  121                         sound-dai = <&spdif_dit>;
  122                 };
  123         };
  124 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/sound/amlogic,axg-sound-card.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/sound/amlogic,axg-sound-card.txt