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1GPIO driver for MAX77620 Power management IC from Maxim Semiconductor.2 3Device has 8 GPIO pins which can be configured as GPIO as well as the4special IO functions.5 6Required properties:7-------------------8- gpio-controller : Marks the device node as a gpio controller.9- #gpio-cells : Should be two. The first cell is the pin number and10 the second cell is used to specify the gpio polarity:11 0 = active high12 1 = active low13For more details, please refer generic GPIO DT binding document14<devicetree/bindings/gpio/gpio.txt>.15 16Example:17--------18#include <dt-bindings/mfd/max77620.h>19...20max77620@3c {21 compatible = "maxim,max77620";22 23 gpio-controller;24 #gpio-cells = <2>;25};26