Questions regarding the use of GPIO in the extension header of the Jetson Orin Nano board based on Jetpack 6.0/6.1/6.2

Okay, you can also use Jetpack 5.1.4 for Orin Nano devkit.

It seems using Jetson.GPIO is the different method than finding the offset to control GPIO through DRA.
You can refer to the following thread to find them in TRM.
Calculating/Getting register adresses of gpio pins - #10 by KevinFFF