From fa4191a609f219262a18dd8b02ab7dc30896b707 Mon Sep 17 00:00:00 2001 From: Phil Reid Date: Tue, 14 Jun 2016 15:36:17 +0800 Subject: leds: pca9532: Add device tree support This patch adds basic device tree support for the pca9532 LEDs. Signed-off-by: Phil Reid Signed-off-by: Jacek Anaszewski --- .../devicetree/bindings/leds/leds-pca9532.txt | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-pca9532.txt (limited to 'Documentation/devicetree/bindings/leds') diff --git a/Documentation/devicetree/bindings/leds/leds-pca9532.txt b/Documentation/devicetree/bindings/leds/leds-pca9532.txt new file mode 100644 index 0000000..198f3ba --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-pca9532.txt @@ -0,0 +1,39 @@ +*NXP - pca9532 PWM LED Driver + +The PCA9532 family is SMBus I/O expander optimized for dimming LEDs. +The PWM support 256 steps. + +Required properties: + - compatible: + "nxp,pca9530" + "nxp,pca9531" + "nxp,pca9532" + "nxp,pca9533" + - reg - I2C slave address + +Each led is represented as a sub-node of the nxp,pca9530. + +Optional sub-node properties: + - label: see Documentation/devicetree/bindings/leds/common.txt + - type: Output configuration, see dt-bindings/leds/leds-pca9532.h (default NONE) + - linux,default-trigger: see Documentation/devicetree/bindings/leds/common.txt + +Example: + #include + + leds: pca9530@60 { + compatible = "nxp,pca9530"; + reg = <0x60>; + + red-power { + label = "pca:red:power"; + type = ; + }; + green-power { + label = "pca:green:power"; + type = ; + }; + }; + +For more product information please see the link below: +http://nxp.com/documents/data_sheet/PCA9532.pdf -- cgit v1.1