How to learn arm TrustZone develop and use tee to get a goal?

Question

Im a new postgraduate,The teacher assigned content about using arm trustzone to develop secure and private computing and use tee, but I found very few trustzone development teaching videos on the Internet. How should I get started with trustzone development? Thank you for help.

I have:

1. An arm server to meet hardware requirements

expect:

1. Some videos about trustzone development
2. Let me master skills quickly about tee