VIM3 Device Tree Overlay

Which Khadas SBC do you use?


Which system do you use? Android, Ubuntu, OOWOW or others?


Which version of system do you use? Khadas official images, self built images, or others?

Khadas Official image VIM3_Pie_V230131 (Kernnel 4.9.113)

Please describe your issue below:

Hi, I need to disable uart3 and i2c3 to release some GPIOs to use to trigger relays,I have read this document VIM3/3L Device Tree Overlay [Khadas Docs] but I can’t find DTS folder (‘/boot/dtb/overlays/kvim3’) in VIM3 device (‘/boot’ folder is empty).

Console log:

kvim3:/ # ls -a
.          charger      init                     lost+found sbin       
..         config       init.environ.rc          metadata   sdcard     
acct       d            init.rc                  mnt        storage    
bin        data         init.recovery.amlogic.rc odm        sys        
boot       default.prop init.usb.configfs.rc     oem        system     
bugreports dev          init.usb.rc              proc       ueventd.rc 
cache      etc          init.zygote32.rc         product    vendor   
kvim3:/ # cd boot
kvim3:/boot $ ls -la 
total 8
drwxr-xr-x  2 root root 4096 2008-12-31 16:00 .
drwxr-xr-x 20 root root 4096 2008-12-31 16:00 ..

Hello, this is a Linux documentation, not suitable for Android.