Diolan DLN2 GPIO support

modulename: gpio-dln2.ko

configname: CONFIG_GPIO_DLN2

Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>Diolan DLN2 GPIO support
In linux kernel since version 3.19 (release Date: 2015-02-08)  
Select this option to enable GPIO driver for the Diolan DLN2
board.

This driver can also be built as a module. If so, the module
will be called gpio-dln2.

source code:
drivers/gpio/gpio-dln2.c