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diff --git a/drivers/char/tpm/st33zp24/Kconfig b/drivers/char/tpm/st33zp24/Kconfig
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+# SPDX-License-Identifier: GPL-2.0-only
+config TCG_TIS_ST33ZP24
+ tristate
+ help
+ STMicroelectronics ST33ZP24 core driver. It implements the core
+ TPM1.2 logic and hooks into the TPM kernel APIs. Physical layers will
+ register against it.
+
+ To compile this driver as a module, choose m here. The module will be called
+ tpm_st33zp24.
+
+config TCG_TIS_ST33ZP24_I2C
+ tristate "STMicroelectronics TPM Interface Specification 1.2 Interface (I2C)"
+ depends on I2C
+ select TCG_TIS_ST33ZP24
+ help
+ This module adds support for the STMicroelectronics TPM security chip
+ ST33ZP24 with i2c interface.
+ To compile this driver as a module, choose M here; the module will be
+ called tpm_st33zp24_i2c.
+
+config TCG_TIS_ST33ZP24_SPI
+ tristate "STMicroelectronics TPM Interface Specification 1.2 Interface (SPI)"
+ depends on SPI
+ select TCG_TIS_ST33ZP24
+ help
+ This module adds support for the STMicroelectronics TPM security chip
+ ST33ZP24 with spi interface.
+ To compile this driver as a module, choose M here; the module will be
+ called tpm_st33zp24_spi.