[barbican] TPM2.0 backend

Hi, Looking at the Barbican documentation I see that the secrets can be stored on disk (SimpleCrypto backend) or in a HW vendor specific HSM module. Is there a way to use a TPM 2.0 device as the backend of Barbican via something like [1]? Cheers, gibi [1] https://github.com/tpm2-software/tpm2-pkcs11