1What: /sys/bus/tee/devices/optee-ta-<uuid>/ 2Date: May 2020 3KernelVersion 5.8 4Contact: op-tee@lists.trustedfirmware.org 5Description: 6 OP-TEE bus provides reference to registered drivers under this directory. The <uuid> 7 matches Trusted Application (TA) driver and corresponding TA in secure OS. Drivers 8 are free to create needed API under optee-ta-<uuid> directory. 9 10What: /sys/bus/tee/devices/optee-ta-<uuid>/need_supplicant 11Date: November 2023 12KernelVersion: 6.7 13Contact: op-tee@lists.trustedfirmware.org 14Description: 15 Allows to distinguish whether an OP-TEE based TA/device requires user-space 16 tee-supplicant to function properly or not. This attribute will be present for 17 devices which depend on tee-supplicant to be running. 18