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NFC: trf7970a: Add driver with ISO/IEC 14443 Type 2 Tag Support

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Add a driver for the Texas Instruments TRF7970a RFID/NFC/15693
transceiver.  The driver currently supports ISO/IEC 14443 Type 2
tags only (MIFARE Ultralight and Ultralight C but not Classic).

CC: Erick Macias <emacias@ti.com>
CC: Felipe Balbi <balbi@ti.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Mark A. Greer 2014-03-10 11:56:22 -07:00 committed by Samuel Ortiz
parent ceeee42d85
commit 165063f1da
3 changed files with 1237 additions and 0 deletions
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12
drivers/nfc/Kconfig
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@ -26,6 +26,18 @@ config NFC_WILINK
Say Y here to compile support for Texas Instrument's NFC WiLink driver
into the kernel or say M to compile it as module.
config NFC_TRF7970A
tristate "Texas Instruments TRF7970a NFC driver"
depends on SPI && NFC_DIGITAL
help
This option enables the NFC driver for Texas Instruments' TRF7970a
device. Such device supports 5 different protocols: ISO14443A,
ISO14443B, FeLiCa, ISO15693 and ISO18000-3.
Say Y here to compile support for TRF7970a into the kernel or
say M to compile it as a module. The module will be called
trf7970a.ko.
config NFC_MEI_PHY
tristate "MEI bus NFC device support"
depends on INTEL_MEI && NFC_HCI

1
drivers/nfc/Makefile
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@ -10,5 +10,6 @@ obj-$(CONFIG_NFC_MEI_PHY) += mei_phy.o
obj-$(CONFIG_NFC_SIM) += nfcsim.o
obj-$(CONFIG_NFC_PORT100) += port100.o
obj-$(CONFIG_NFC_MRVL) += nfcmrvl/
obj-$(CONFIG_NFC_TRF7970A) += trf7970a.o
ccflags-$(CONFIG_NFC_DEBUG) := -DDEBUG

1224
drivers/nfc/trf7970a.c Normal file
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