The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/sound/atmel-sam9x5-wm8731-audio.txt

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    1 * Atmel at91sam9x5ek wm8731 audio complex
    2 
    3 Required properties:
    4   - compatible: "atmel,sam9x5-wm8731-audio"
    5   - atmel,model: The user-visible name of this sound complex.
    6   - atmel,ssc-controller: The phandle of the SSC controller
    7   - atmel,audio-codec: The phandle of the WM8731 audio codec
    8   - atmel,audio-routing: A list of the connections between audio components.
    9     Each entry is a pair of strings, the first being the connection's sink,
   10     the second being the connection's source.
   11 
   12 Available audio endpoints for the audio-routing table:
   13 
   14 Board connectors:
   15  * Headphone Jack
   16  * Line In Jack
   17 
   18 wm8731 pins:
   19 cf Documentation/devicetree/bindings/sound/wlf,wm8731.yaml
   20 
   21 Example:
   22 sound {
   23         compatible = "atmel,sam9x5-wm8731-audio";
   24 
   25         atmel,model = "wm8731 @ AT91SAM9X5EK";
   26 
   27         atmel,audio-routing =
   28                 "Headphone Jack", "RHPOUT",
   29                 "Headphone Jack", "LHPOUT",
   30                 "LLINEIN", "Line In Jack",
   31                 "RLINEIN", "Line In Jack";
   32 
   33         atmel,ssc-controller = <&ssc0>;
   34         atmel,audio-codec = <&wm8731>;
   35 };

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