Documentation/devicetree/bindings/sound/qcom,apq8096.txt

   1 * Qualcomm Technologies APQ8096 ASoC sound card driver
   2
   3 This binding describes the APQ8096 sound card, which uses qdsp for audio.
   4
   5 - compatible:
   6         Usage: required
   7         Value type: <stringlist>
   8         Definition: must be "qcom,apq8096-sndcard"
   9
  10 - qcom,audio-routing:
  11         Usage: Optional
  12         Value type: <stringlist>
  13         Definition:  A list of the connections between audio components.
  14                   Each entry is a pair of strings, the first being the
  15                   connection's sink, the second being the connection's
  16                   source. Valid names could be power supplies, MicBias
  17                   of codec and the jacks on the board:
  18                   Valid names include:
  19
  20                 Board Connectors:
  21                         "Headphone Left"
  22                         "Headphone Right"
  23                         "Earphone"
  24                         "Line Out1"
  25                         "Line Out2"
  26                         "Line Out3"
  27                         "Line Out4"
  28                         "Analog Mic1"
  29                         "Analog Mic2"
  30                         "Analog Mic3"
  31                         "Analog Mic4"
  32                         "Analog Mic5"
  33                         "Analog Mic6"
  34                         "Digital Mic2"
  35                         "Digital Mic3"
  36
  37                 Audio pins and MicBias on WCD9335 Codec:
  38                         "MIC_BIAS1"
  39                         "MIC_BIAS2"
  40                         "MIC_BIAS3"
  41                         "MIC_BIAS4"
  42                         "AMIC1"
  43                         "AMIC2"
  44                         "AMIC3"
  45                         "AMIC4"
  46                         "AMIC5"
  47                         "AMIC6"
  48                         "AMIC6"
  49                         "DMIC1"
  50                         "DMIC2"
  51                         "DMIC3"
  52 = dailinks
  53 Each subnode of sndcard represents either a dailink, and subnodes of each
  54 dailinks would be cpu/codec/platform dais.
  55
  56 - link-name:
  57         Usage: required
  58         Value type: <string>
  59         Definition: User friendly name for dai link
  60
  61 = CPU, PLATFORM, CODEC dais subnodes
  62 - cpu:
  63         Usage: required
  64         Value type: <subnode>
  65         Definition: cpu dai sub-node
  66
  67 - codec:
  68         Usage: Optional
  69         Value type: <subnode>
  70         Definition: codec dai sub-node
  71
  72 - platform:
  73         Usage: Optional
  74         Value type: <subnode>
  75         Definition: platform dai sub-node
  76
  77 - sound-dai:
  78         Usage: required
  79         Value type: <phandle with arguments>
  80         Definition: dai phandle/s and port of CPU/CODEC/PLATFORM node.
  81
  82 Example:
  83
  84 audio {
  85         compatible = "qcom,apq8096-sndcard";
  86         qcom,model = "DB820c";
  87
  88         mm1-dai-link {
  89                 link-name = "MultiMedia1";
  90                 cpu {
  91                         sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA1>;
  92                 };
  93         };
  94
  95         hdmi-dai-link {
  96                 link-name = "HDMI Playback";
  97                 cpu {
  98                         sound-dai = <&q6afe HDMI_RX>;
  99                 };
 100
 101                 platform {
 102                         sound-dai = <&q6adm>;
 103                 };
 104
 105                 codec {
 106                         sound-dai = <&hdmi 0>;
 107                 };
 108         };
 109 };