0001 TI/National Semiconductor LP3943 GPIO controller
0002
0003 Required properties:
0004 - compatible: "ti,lp3943-gpio"
0005 - gpio-controller: Marks the device node as a GPIO controller.
0006 - #gpio-cells: Should be 2. See gpio.txt in this directory for a
0007 description of the cells format.
0008
0009 Example:
0010 Simple LED controls with LP3943 GPIO controller
0011
0012 &i2c4 {
0013 lp3943@60 {
0014 compatible = "ti,lp3943";
0015 reg = <0x60>;
0016
0017 gpioex: gpio {
0018 compatible = "ti,lp3943-gpio";
0019 gpio-controller;
0020 #gpio-cells = <2>;
0021 };
0022 };
0023 };
0024
0025 leds {
0026 compatible = "gpio-leds";
0027 indicator1 {
0028 label = "indi1";
0029 gpios = <&gpioex 9 GPIO_ACTIVE_LOW>;
0030 };
0031
0032 indicator2 {
0033 label = "indi2";
0034 gpios = <&gpioex 10 GPIO_ACTIVE_LOW>;
0035 default-state = "off";
0036 };
0037 };