CONFIG_NFC_PN533 (not configurable)

modulename: pn533.ko

configname: CONFIG_NFC_PN533

Linux Kernel Configuration
└─>Networking support
└─>NFC subsystem support
└─>Near Field Communication (NFC) devices
└─>NFC_PN533
In linux kernel since version 3.1 (release Date: 2011-10-24)  
NXP PN533 core driver.
This driver provides core functionality for NXP PN533 NFC devices.

source code:
drivers/nfc/pn533/pn533.c