diff --git a/drivers/tpm/Kconfig b/drivers/tpm/Kconfig
index 2de9862..93264dd 100644
--- a/drivers/tpm/Kconfig
+++ b/drivers/tpm/Kconfig
@@ -21,7 +21,7 @@
 	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.
@@ -129,6 +129,15 @@
 
 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