# SPDX-License-Identifier: GPL-2.0-only config NFC_ST21NFCA tristate select CRC_CCITT ---help--- STMicroelectronics ST21NFCA core driver. It implements the chipset HCI logic and hooks into the NFC kernel APIs. Physical layers will register against it. config NFC_ST21NFCA_I2C tristate "STMicroelectronics ST21NFCA NFC driver (I2C)" depends on NFC_HCI && I2C && NFC_SHDLC select NFC_ST21NFCA ---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.