We are compiling a detailed specification of BCM2711's feature set that is not under NDA (similar in scope to the BCM2835 ARM peripherals document released many years ago for Pi 1) and will publish it when it is ready.
Just to add, that it's a very large document which is why it's taking a while.
Principal Software Engineer at Raspberry Pi (Trading) Ltd.
Contrary to popular belief, humorous signatures are allowed. Here's an example...
"My grief counseller just died, luckily, he was so good, I didn't care."