STMicroelectronics ST21NFCA NFC driver

modulename: st21nfca.ko

and/or

st21nfca_hci.ko

configname: CONFIG_NFC_ST21NFCA

Linux Kernel Configuration
└─>Networking support
└─>NFC subsystem support
└─>Near Field Communication (NFC) devices
└─>STMicroelectronics ST21NFCA NFC driver
In linux kernel since version 3.16 (release Date: 2014-08-03)  
STMicroelectronics ST21NFCA core driver. It implements the chipset
HCI logic and hooks into the NFC kernel APIs. Physical layers will
register against it.

To compile this driver as a module, choose m here. The module will
be called st21nfca.
Say N if unsure.

source code: