18c2ecf20Sopenharmony_ciWhat: /sys/bus/tee/devices/optee-ta-<uuid>/ 28c2ecf20Sopenharmony_ciDate: May 2020 38c2ecf20Sopenharmony_ciKernelVersion 5.8 48c2ecf20Sopenharmony_ciContact: op-tee@lists.trustedfirmware.org 58c2ecf20Sopenharmony_ciDescription: 68c2ecf20Sopenharmony_ci OP-TEE bus provides reference to registered drivers under this directory. The <uuid> 78c2ecf20Sopenharmony_ci matches Trusted Application (TA) driver and corresponding TA in secure OS. Drivers 88c2ecf20Sopenharmony_ci are free to create needed API under optee-ta-<uuid> directory. 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ciWhat: /sys/bus/tee/devices/optee-ta-<uuid>/need_supplicant 118c2ecf20Sopenharmony_ciDate: November 2023 128c2ecf20Sopenharmony_ciKernelVersion: 6.7 138c2ecf20Sopenharmony_ciContact: op-tee@lists.trustedfirmware.org 148c2ecf20Sopenharmony_ciDescription: 158c2ecf20Sopenharmony_ci Allows to distinguish whether an OP-TEE based TA/device requires user-space 168c2ecf20Sopenharmony_ci tee-supplicant to function properly or not. This attribute will be present for 178c2ecf20Sopenharmony_ci devices which depend on tee-supplicant to be running. 18