1f7267793SLaxman DewanganGPIO driver for MAX77620 Power management IC from Maxim Semiconductor. 2f7267793SLaxman Dewangan 3f7267793SLaxman DewanganDevice has 8 GPIO pins which can be configured as GPIO as well as the 4f7267793SLaxman Dewanganspecial IO functions. 5f7267793SLaxman Dewangan 6f7267793SLaxman DewanganRequired properties: 7f7267793SLaxman Dewangan------------------- 8f7267793SLaxman Dewangan- gpio-controller : Marks the device node as a gpio controller. 9f7267793SLaxman Dewangan- #gpio-cells : Should be two. The first cell is the pin number and 10f7267793SLaxman Dewangan the second cell is used to specify the gpio polarity: 11f7267793SLaxman Dewangan 0 = active high 12f7267793SLaxman Dewangan 1 = active low 13f7267793SLaxman DewanganFor more details, please refer generic GPIO DT binding document 14f7267793SLaxman Dewangan<devicetree/bindings/gpio/gpio.txt>. 15f7267793SLaxman Dewangan 16f7267793SLaxman DewanganExample: 17f7267793SLaxman Dewangan-------- 18f7267793SLaxman Dewangan#include <dt-bindings/mfd/max77620.h> 19f7267793SLaxman Dewangan... 20f7267793SLaxman Dewanganmax77620@3c { 21f7267793SLaxman Dewangan compatible = "maxim,max77620"; 22f7267793SLaxman Dewangan 23f7267793SLaxman Dewangan gpio-controller; 24f7267793SLaxman Dewangan #gpio-cells = <2>; 25f7267793SLaxman Dewangan}; 26