ics43432.txt

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    1 Invensense ICS-43432-compatible MEMS microphone with I2S output.
    2 
    3 There are no software configuration options for this device, indeed, the only
    4 host connection is the I2S interface. Apart from requirements on clock
    5 frequency (460 kHz to 3.379 MHz according to the data sheet) there must be
    6 64 clock cycles in each stereo output frame; 24 of the 32 available bits
    7 contain audio data. A hardware pin determines if the device outputs data
    8 on the left or right channel of the I2S frame.
    9 
   10 Required properties:
   11   - compatible: should be one of the following.
   12      "invensense,ics43432": For the Invensense ICS43432
   13      "cui,cmm-4030d-261": For the CUI CMM-4030D-261-I2S-TR
   14 
   15 Example:
   16 
   17         ics43432: ics43432 {
   18                 compatible = "invensense,ics43432";
   19         };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/sound/ics43432.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/sound/ics43432.txt