imx-audio-es8328.txt

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    1 Freescale i.MX audio complex with ES8328 codec
    2 
    3 Required properties:
    4 - compatible       : "fsl,imx-audio-es8328"
    5 - model            : The user-visible name of this sound complex
    6 - ssi-controller   : The phandle of the i.MX SSI controller
    7 - jack-gpio        : Optional GPIO for headphone jack
    8 - audio-amp-supply : Power regulator for speaker amps
    9 - audio-codec      : The phandle of the ES8328 audio codec
   10 - audio-routing    : A list of the connections between audio components.
   11                      Each entry is a pair of strings, the first being the
   12                      connection's sink, the second being the connection's
   13                      source. Valid names could be power supplies, ES8328
   14                      pins, and the jacks on the board:
   15 
   16                         Power supplies:
   17                            * audio-amp
   18 
   19                         ES8328 pins:
   20                            * LOUT1
   21                            * LOUT2
   22                            * ROUT1
   23                            * ROUT2
   24                            * LINPUT1
   25                            * LINPUT2
   26                            * RINPUT1
   27                            * RINPUT2
   28                            * Mic PGA
   29 
   30                         Board connectors:
   31                            * Headphone
   32                            * Speaker
   33                            * Mic Jack
   34 - mux-int-port     : The internal port of the i.MX audio muxer (AUDMUX)
   35 - mux-ext-port     : The external port of the i.MX audio muxer (AUDMIX)
   36 
   37 Note: The AUDMUX port numbering should start at 1, which is consistent with
   38 hardware manual.
   39 
   40 Example:
   41 
   42 sound {
   43         compatible = "fsl,imx-audio-es8328";
   44         model = "imx-audio-es8328";
   45         ssi-controller = <&ssi1>;
   46         audio-codec = <&codec>;
   47         jack-gpio = <&gpio5 15 0>;
   48         audio-amp-supply = <&reg_audio_amp>;
   49         audio-routing =
   50                 "Speaker", "LOUT2",
   51                 "Speaker", "ROUT2",
   52                 "Speaker", "audio-amp",
   53                 "Headphone", "ROUT1",
   54                 "Headphone", "LOUT1",
   55                 "LINPUT1", "Mic Jack",
   56                 "RINPUT1", "Mic Jack",
   57                 "Mic Jack", "Mic Bias";
   58         mux-int-port = <1>;
   59         mux-ext-port = <3>;
   60 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/sound/imx-audio-es8328.txt

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sys/contrib/device-tree/Bindings/sound/imx-audio-es8328.txt