158df195cSMaxim UvarovWhat: /sys/bus/tee/devices/optee-ta-<uuid>/ 258df195cSMaxim UvarovDate: May 2020 358df195cSMaxim UvarovKernelVersion 5.8 458df195cSMaxim UvarovContact: op-tee@lists.trustedfirmware.org 558df195cSMaxim UvarovDescription: 658df195cSMaxim Uvarov OP-TEE bus provides reference to registered drivers under this directory. The <uuid> 758df195cSMaxim Uvarov matches Trusted Application (TA) driver and corresponding TA in secure OS. Drivers 858df195cSMaxim Uvarov are free to create needed API under optee-ta-<uuid> directory. 9*7269cba5SSumit Garg 10*7269cba5SSumit GargWhat: /sys/bus/tee/devices/optee-ta-<uuid>/need_supplicant 11*7269cba5SSumit GargDate: November 2023 12*7269cba5SSumit GargKernelVersion: 6.7 13*7269cba5SSumit GargContact: op-tee@lists.trustedfirmware.org 14*7269cba5SSumit GargDescription: 15*7269cba5SSumit Garg Allows to distinguish whether an OP-TEE based TA/device requires user-space 16*7269cba5SSumit Garg tee-supplicant to function properly or not. This attribute will be present for 17*7269cba5SSumit Garg devices which depend on tee-supplicant to be running. 18