162306a36Sopenharmony_ciWhat: /sys/bus/tee/devices/optee-ta-<uuid>/ 262306a36Sopenharmony_ciDate: May 2020 362306a36Sopenharmony_ciKernelVersion 5.8 462306a36Sopenharmony_ciContact: op-tee@lists.trustedfirmware.org 562306a36Sopenharmony_ciDescription: 662306a36Sopenharmony_ci OP-TEE bus provides reference to registered drivers under this directory. The <uuid> 762306a36Sopenharmony_ci matches Trusted Application (TA) driver and corresponding TA in secure OS. Drivers 862306a36Sopenharmony_ci are free to create needed API under optee-ta-<uuid> directory. 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ciWhat: /sys/bus/tee/devices/optee-ta-<uuid>/need_supplicant 1162306a36Sopenharmony_ciDate: November 2023 1262306a36Sopenharmony_ciKernelVersion: 6.7 1362306a36Sopenharmony_ciContact: op-tee@lists.trustedfirmware.org 1462306a36Sopenharmony_ciDescription: 1562306a36Sopenharmony_ci Allows to distinguish whether an OP-TEE based TA/device requires user-space 1662306a36Sopenharmony_ci tee-supplicant to function properly or not. This attribute will be present for 1762306a36Sopenharmony_ci devices which depend on tee-supplicant to be running. 18