PXA27x keyboard support

modulename: pxa27x_keypad.ko

and/or

pxa27x_keyboard.ko

configname: CONFIG_KEYBOARD_PXA27x

Linux Kernel Configuration
└─>Device Drivers
└─>Input device support
└─>Keyboards
└─>PXA27x keyboard support
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
Enable support for PXA27x matrix keyboard controller

To compile this driver as a module, choose M here: the
module will be called pxa27x_keyboard.

source code:
drivers/input/keyboard/pxa27x_keyboard.c