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diff --git a/kernel/drivers/nfc/st21nfca/Kconfig b/kernel/drivers/nfc/st21nfca/Kconfig
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+config NFC_ST21NFCA
+ tristate "STMicroelectronics ST21NFCA NFC driver"
+ depends on NFC_HCI
+ select CRC_CCITT
+ default n
+ ---help---
+ 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.
+
+config NFC_ST21NFCA_I2C
+ tristate "NFC ST21NFCA i2c support"
+ depends on NFC_ST21NFCA && I2C && NFC_SHDLC
+ ---help---
+ This module adds support for the STMicroelectronics st21nfca i2c interface.
+ Select this if your platform is using the i2c bus.
+
+ If you choose to build a module, it'll be called st21nfca_i2c.
+ Say N if unsure.