18c2ecf20Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0-only 28c2ecf20Sopenharmony_ciconfig NFC_ST21NFCA 38c2ecf20Sopenharmony_ci tristate 48c2ecf20Sopenharmony_ci select CRC_CCITT 58c2ecf20Sopenharmony_ci help 68c2ecf20Sopenharmony_ci STMicroelectronics ST21NFCA core driver. It implements the chipset 78c2ecf20Sopenharmony_ci HCI logic and hooks into the NFC kernel APIs. Physical layers will 88c2ecf20Sopenharmony_ci register against it. 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ciconfig NFC_ST21NFCA_I2C 118c2ecf20Sopenharmony_ci tristate "STMicroelectronics ST21NFCA NFC driver (I2C)" 128c2ecf20Sopenharmony_ci depends on NFC_HCI && I2C && NFC_SHDLC 138c2ecf20Sopenharmony_ci select NFC_ST21NFCA 148c2ecf20Sopenharmony_ci help 158c2ecf20Sopenharmony_ci This module adds support for the STMicroelectronics st21nfca i2c interface. 168c2ecf20Sopenharmony_ci Select this if your platform is using the i2c bus. 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ci If you choose to build a module, it'll be called st21nfca_i2c. 198c2ecf20Sopenharmony_ci Say N if unsure. 20