Explore a 37-minute technical session that delves into the device driver frameworks available in OP-TEE OS, examining how it implements GP TEE APIs and services for trusted applications and non-secure operating systems. Learn about various frameworks designed to streamline the integration of device drivers for platform resources, from system components like clocks and interrupts to cryptographic hardware and peripherals. Discover how these drivers can be configured and managed with or without device-tree dependencies, with special attention given to recent framework additions in OP-TEE releases. Gain insights into the implementation details and participate in discussions about potential future developments in OP-TEE's driver framework ecosystem.