1 TI/National Semiconductor LP3943 GPIO controller
2
3 Required 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 a
7 description of the cells format.
8
9 Example:
10 Simple LED controls with LP3943 GPIO controller
11
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
25 leds {
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 };
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