[PATCH V3 0/2] Add PPI support in tpm driver

["Zhang, Xiaoyan" <xiaoyan.zhang@xxxxxxxxx>]

The series of patches add PPI support in linux kernel.

The Physical Presence Interface enables the OS and the BIOS to cooperate to
provide a simple and straightforward platform user experience for
administering the TPM without sacrificing security.

PATCH 1: drivers: Add PPI support in tpm driver
PATCH 2: Documentation: sysfs for physical presence interface
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