Ricoh xD card reader

modulename: r852.ko

configname: CONFIG_MTD_NAND_RICOH

Linux Kernel Configuration
└─>Device Drivers
└─>Memory Technology Device (MTD) support
└─>NAND Device Support
└─>Ricoh xD card reader
In linux kernel since version 2.6.35 (release Date: 2010-08-01)  
Enable support for Ricoh R5C852 xD card reader
You also need to enable ether
NAND SSFDC (SmartMedia) read only translation layer' or new
expermental, readwrite
'SmartMedia/xD new translation layer'

source code:
drivers/mtd/nand//r852.c