bool "Enable sandbox TPM driver"
depends on TPM_V1 && SANDBOX
help
- This driver emulates a TPM, providing access to base functions
+ This driver emulates a TPMv1.x, providing access to base functions
such as reading and writing TPM private data. This is enough to
support Chrome OS verified boot. Extend functionality is not
implemented.
if TPM_V2 && !TPM_V1
+config TPM2_TIS_SANDBOX
+ bool "Enable sandbox TPMv2.x driver"
+ depends on TPM_V2 && SANDBOX
+ select TPM_DRIVER_SELECTED
+ help
+ This driver emulates a TPMv2.x, providing access to base functions
+ such as basic configuration, PCR extension and PCR read. Extended
+ functionalities are not implemented.
+
+config TPM2_TIS_SPI
+ bool "Enable support for TPMv2.x SPI chips"
+ depends on TPM_V2 && DM_SPI
+ select TPM_DRIVER_SELECTED
+ help
+ This driver supports TPMv2.x devices connected on the SPI bus.
+ The usual TPM operations and the 'tpm' command can be used to talk
+ to the device using the standard TPM Interface Specification (TIS)
+ protocol.
+
endif # TPM_V2
endmenu