Hi HeapCorrupt,
Are you using the devkit or custom board for Orin Nano?
What’s your Jetpack version in use?
Do you mean that you want to condifure the duty cycle for your PWM?
If so, you could refer to the following thread for this use case.
Strange behaviour with Jetson Nano DevKit PWM signal - #5 by WayneWWW
(20000 for period, 2800 for duty_cycle)