EP93xx Matrix Keypad support

modulename: ep93xx_keypad.ko

configname: CONFIG_KEYBOARD_EP93XX

Linux Kernel Configuration
└─>Device Drivers
└─>Input device support
└─>Keyboards
└─>EP93xx Matrix Keypad support
In linux kernel since version 2.6.31 (release Date: 2009-09-09)  
Say Y here to enable the matrix keypad on the Cirrus EP93XX.

To compile this driver as a module, choose M here: the
module will be called ep93xx_keypad.

source code: