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/rt274.txt

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    1 RT274 audio CODEC
    2 
    3 This device supports I2C only.
    4 
    5 Required properties:
    6 
    7 - compatible : "realtek,rt274".
    8 
    9 - reg : The I2C address of the device.
   10 
   11 Optional properties:
   12 
   13 - interrupts : The CODEC's interrupt output.
   14 
   15 
   16 Pins on the device (for linking into audio routes) for RT274:
   17 
   18   * DMIC1 Pin
   19   * DMIC2 Pin
   20   * MIC
   21   * LINE1
   22   * LINE2
   23   * HPO Pin
   24   * SPDIF
   25   * LINE3
   26 
   27 Example:
   28 
   29 rt274: codec@1c {
   30         compatible = "realtek,rt274";
   31         reg = <0x1c>;
   32         interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
   33 };

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