0001 NXP PCA9685 16-channel 12-bit PWM LED controller
0002 ================================================
0003
0004 Required properties:
0005 - compatible: "nxp,pca9685-pwm"
0006 - #pwm-cells: Should be 2. See pwm.yaml in this directory for a description of
0007 the cells format.
0008 The index 16 is the ALLCALL channel, that sets all PWM channels at the same
0009 time.
0010
0011 Optional properties:
0012 - invert (bool): boolean to enable inverted logic
0013 - open-drain (bool): boolean to configure outputs with open-drain structure;
0014 if omitted use totem-pole structure
0015
0016 Example:
0017
0018 For LEDs that are directly connected to the PCA, the following setting is
0019 applicable:
0020
0021 pca: pca@41 {
0022 compatible = "nxp,pca9685-pwm";
0023 #pwm-cells = <2>;
0024 reg = <0x41>;
0025 invert;
0026 open-drain;
0027 };
