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/max9892x.txt

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    1 Maxim Integrated MAX98925/MAX98926/MAX98927 Speaker Amplifier
    2 
    3 This device supports I2C.
    4 
    5 Required properties:
    6 
    7   - compatible : should be one of the following
    8     - "maxim,max98925"
    9     - "maxim,max98926"
   10     - "maxim,max98927"
   11 
   12   - vmon-slot-no : slot number used to send voltage information
   13                    or in inteleave mode this will be used as
   14                    interleave slot.
   15                    MAX98925/MAX98926 slot range : 0 ~ 30,  Default : 0
   16                    MAX98927 slot range : 0 ~ 15,  Default : 0
   17 
   18   - imon-slot-no : slot number used to send current information
   19                    MAX98925/MAX98926 slot range : 0 ~ 30,  Default : 0
   20                    MAX98927 slot range : 0 ~ 15,  Default : 0
   21 
   22   - interleave-mode : When using two MAX9892X in a system it is
   23                    possible to create ADC data that that will
   24                    overflow the frame size. Digital Audio Interleave
   25                    mode provides a means to output VMON and IMON data
   26                    from two devices on a single DOUT line when running
   27                    smaller frames sizes such as 32 BCLKS per LRCLK or
   28                    48 BCLKS per LRCLK.
   29                    Range : 0 (off), 1 (on),  Default : 0
   30 
   31   - reg : the I2C address of the device for I2C
   32 
   33 Optional properties:
   34   - reset-gpios : GPIO to reset the device
   35 
   36 Example:
   37 
   38 codec: max98927@3a {
   39    compatible = "maxim,max98927";
   40    vmon-slot-no = <0>;
   41    imon-slot-no = <1>;
   42    interleave-mode = <0>;
   43    reg = <0x3a>;
   44 };

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