Broadcom keypad driver

modulename: bcm-keypad.ko

configname: CONFIG_KEYBOARD_BCM

Linux Kernel Configuration
└─>Device Drivers
└─>Input device support
└─>Keyboards
└─>Device Tree and Open Firmware support
└─>Broadcom keypad driver
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y here if you want to use Broadcom keypad.

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

source code: