Which Khadas SBC do you use?
VIM3
Which system do you use? Android, Ubuntu, OOWOW or others?
Ubuntu
Which version of system do you use? Khadas official images, self built images, or others?
20.04.4 LTS (Focal Fossa)
Please describe your issue below:
Hello, Im looking how can I set default pin state on Khadas VIM3 pro. I dont find anything about this. In official documentation i found how to configure PWM only.
I want set PIN22(475) default state to logical 0. Actually there is some voltage when system is booting.
Can anyone help me with this please? 
Thanks!