FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/pwm/nxp,pca9685-pwm.txt

     NXP PCA9685 16-channel 12-bit PWM LED controller
     ================================================
     
     Required properties:
       - compatible: "nxp,pca9685-pwm"
       - #pwm-cells: Should be 2. See pwm.yaml in this directory for a description of
         the cells format.
         The index 16 is the ALLCALL channel, that sets all PWM channels at the same
         time.
    
    Optional properties:
      - invert (bool): boolean to enable inverted logic
      - open-drain (bool): boolean to configure outputs with open-drain structure;
                           if omitted use totem-pole structure
    
    Example:
    
    For LEDs that are directly connected to the PCA, the following setting is
    applicable:
    
    pca: pca@41 {
            compatible = "nxp,pca9685-pwm";
            #pwm-cells = <2>;
            reg = <0x41>;
            invert;
            open-drain;
    };

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