What: /sys/bus/tee/devices/optee-ta-/ Date: May 2020 KernelVersion 5.8 Contact: op-tee@lists.trustedfirmware.org Description: OP-TEE bus provides reference to registered drivers under this directory. The matches Trusted Application (TA) driver and corresponding TA in secure OS. Drivers are free to create needed API under optee-ta- directory.