Accessing problem to GPIO register of Xavier NX

Hi.
I am not using virtual memory, because i have a project to do via direct register access. But i want to do my job in user space not in kernel space.
I have modified this repository for my own purposes, i am directly accessing all of the gpio pins on nano via DMA from user space.

There is an solved issue for Jetson Nano 2 GB developer kit. So, i need similar solution for Jetson Xavier NX Developer Kit. I can not use this solution for Xavier NX because, i do not have Xavier NX Developer Kit Pinmux Table. I only found Xavier NX Module Pinmux.