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/wm8741.txt

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    1 WM8741 audio CODEC
    2 
    3 This device supports both I2C and SPI (configured with pin strapping
    4 on the board).
    5 
    6 Required properties:
    7 
    8   - compatible : "wlf,wm8741"
    9 
   10   - reg : the I2C address of the device for I2C, the chip select
   11           number for SPI.
   12 
   13 Optional properties:
   14 
   15   - diff-mode: Differential output mode configuration. Default value for field
   16     DIFF in register R8 (MODE_CONTROL_2). If absent, the default is 0, shall be:
   17     0 = stereo
   18     1 = mono left
   19     2 = stereo reversed
   20     3 = mono right
   21 
   22 Example:
   23 
   24 wm8741: codec@1a {
   25         compatible = "wlf,wm8741";
   26         reg = <0x1a>;
   27 
   28         diff-mode = <3>;
   29 };

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