Kernel-4.18.0-80.el8_atmel-sam9x5-wm8731-audio

  • Atmel at91sam9x5ek wm8731 audio complex

Required properties:

  • compatible: “atmel,sam9x5-wm8731-audio”
  • atmel,model: The user-visible name of this sound complex.
  • atmel,ssc-controller: The phandle of the SSC controller
  • atmel,audio-codec: The phandle of the WM8731 audio codec
  • atmel,audio-routing: A list of the connections between audio components.
    Each entry is a pair of strings, the first being the connection’s sink,
    the second being the connection’s source.

Available audio endpoints for the audio-routing table:

Board connectors:

  • Headphone Jack
  • Line In Jack

wm8731 pins:
cf Documentation/devicetree/bindings/sound/wm8731.txt

Example:
sound {
compatible = “atmel,sam9x5-wm8731-audio”;

atmel,model = "wm8731 @ AT91SAM9X5EK";

atmel,audio-routing =
    "Headphone Jack", "RHPOUT",
    "Headphone Jack", "LHPOUT",
    "LLINEIN", "Line In Jack",
    "RLINEIN", "Line In Jack";

atmel,ssc-controller = <&ssc0>;
atmel,audio-codec = <&wm8731>;

};