Xilinx Zynq GPIO support

modulename: gpio-zynq.ko

configname: CONFIG_GPIO_ZYNQ

Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>Xilinx Zynq GPIO support
In linux kernel since version 3.17 (release Date: 2014-10-05)  
Say yes here to support Xilinx Zynq GPIO controller.

source code:
drivers/gpio/gpio-zynq.c