Path: blob/main/sys/contrib/device-tree/Bindings/gpio/gpio-lp3943.txt
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TI/National Semiconductor LP3943 GPIO controller12Required properties:3- compatible: "ti,lp3943-gpio"4- gpio-controller: Marks the device node as a GPIO controller.5- #gpio-cells: Should be 2. See gpio.txt in this directory for a6description of the cells format.78Example:9Simple LED controls with LP3943 GPIO controller1011&i2c4 {12lp3943@60 {13compatible = "ti,lp3943";14reg = <0x60>;1516gpioex: gpio {17compatible = "ti,lp3943-gpio";18gpio-controller;19#gpio-cells = <2>;20};21};22};2324leds {25compatible = "gpio-leds";26indicator1 {27label = "indi1";28gpios = <&gpioex 9 GPIO_ACTIVE_LOW>;29};3031indicator2 {32label = "indi2";33gpios = <&gpioex 10 GPIO_ACTIVE_LOW>;34default-state = "off";35};36};373839