1 GPIO driver for MAX77620 Power management IC f 2 3 Device has 8 GPIO pins which can be configured 4 special IO functions. 5 6 Required properties: 7 ------------------- 8 - gpio-controller : Marks the device node 9 - #gpio-cells : Should be two. The fi 10 the second cell is use 11 0 = active hig 12 1 = active low 13 For more details, please refer generic GPIO DT 14 <devicetree/bindings/gpio/gpio.txt>. 15 16 Example: 17 -------- 18 #include <dt-bindings/mfd/max77620.h> 19 ... 20 max77620@3c { 21 compatible = "maxim,max77620"; 22 23 gpio-controller; 24 #gpio-cells = <2>; 25 };
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