From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- .../devicetree/bindings/pwm/nxp,pca9685-pwm.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt (limited to 'Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt') diff --git a/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt b/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt new file mode 100644 index 000000000..f21b55c95 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt @@ -0,0 +1,27 @@ +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; +}; -- cgit v1.2.3