dm: tpm: Add a uclass for Trusted Platform Modules

[karo-tx-uboot.git] / drivers / tpm / Kconfig

diff --git a/drivers/tpm/Kconfig b/drivers/tpm/Kconfig
index 9101fc26b9deab906d9c02b804b62cd035ee1561..6bc8fddbd16b7368d2b43e611e0cac01935c2f47 100644 (file)
--- a/drivers/tpm/Kconfig
+++ b/drivers/tpm/Kconfig
@@ -4,6 +4,15 @@
 
 menu "TPM support"
 
+config DM_TPM
+       bool "Enable driver model for Trusted Platform Module drivers"
+       depends on DM && TPM
+       help
+          Enable driver model for TPMs. The TIS interface (tis_open(),
+         tis_sendrecv(), etc.) is then implemented by the TPM uclass. Note
+         that even with driver model only a single TPM is currently
+         supported, since the tpm library assumes this.
+
 config TPM_TIS_SANDBOX
        bool "Enable sandbox TPM driver"
        depends on SANDBOX