Lantiq Memory mapped GPIOs

modulename: gpio-mm-lantiq.ko


Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>Memory mapped GPIO drivers
└─>Lantiq Memory mapped GPIOs
In linux kernel since version 3.1 (release Date: 2011-10-24)  
This enables support for memory mapped GPIOs on the External Bus Unit
(EBU) found on Lantiq SoCs. The GPIOs are output only as they are
created by attaching a 16-bit latch to the bus.

source code: