One Laptop Per Child support

modulename: olpc-ec.ko

and/or

olpc.ko

configname: CONFIG_OLPC

Linux Kernel Configuration for x86
└─>Bus options (PCI etc.)
└─>One Laptop Per Child support
In linux kernel since version 2.6.26 (release Date: 2008-07-13)  
Add support for detecting the unique features of the OLPC
XO hardware.

source code:
arch/x86/kernel/olpc.c
selects

CONFIG_GPIOLIB
CONFIG_OF
CONFIG_OF_PROMTREE
CONFIG_IRQ_DOMAIN

depends
CONFIG_X86_32 |
NOT | CONFIG_X86_PAE