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1TI/National Semiconductor LP3943 GPIO controller2 3Required properties:4 - compatible: "ti,lp3943-gpio"5 - gpio-controller: Marks the device node as a GPIO controller.6 - #gpio-cells: Should be 2. See gpio.txt in this directory for a7 description of the cells format.8 9Example:10Simple LED controls with LP3943 GPIO controller11 12&i2c4 {13 lp3943@60 {14 compatible = "ti,lp3943";15 reg = <0x60>;16 17 gpioex: gpio {18 compatible = "ti,lp3943-gpio";19 gpio-controller;20 #gpio-cells = <2>;21 };22 };23};24 25leds {26 compatible = "gpio-leds";27 indicator1 {28 label = "indi1";29 gpios = <&gpioex 9 GPIO_ACTIVE_LOW>;30 };31 32 indicator2 {33 label = "indi2";34 gpios = <&gpioex 10 GPIO_ACTIVE_LOW>;35 default-state = "off";36 };37};38