iamdrq Posted September 1, 2022 Share Posted September 1, 2022 root@nanopct4:/boot/overlay-user# armbian-add-overlay lcd-mipi-opi4.dts Armbian is not installed properly. Missing armbian-release or armbianEnv.txt I found 22.08 using extlinux.conf instead of the legacy set of boot.scr + text files. That will miss overlay function when using extlinux ? 0 Quote Link to comment Share on other sites More sharing options...
balbes150 Posted September 1, 2022 Share Posted September 1, 2022 https://forum.armbian.com/topic/22802-how-to-activates-uart4/?do=findComment&comment=145294 0 Quote Link to comment Share on other sites More sharing options...
iamdrq Posted September 1, 2022 Author Share Posted September 1, 2022 Yes, This way very cool that can load overlay on running system. But it reboot loosed and I hope overlay on boot 0 Quote Link to comment Share on other sites More sharing options...
balbes150 Posted September 2, 2022 Share Posted September 2, 2022 IMHO Overlay is a bad practice that can be used only in cases where it is not possible to change the DTB used (for example, the system is written to a medium that operates in read-only mode and it is not possible to replace the DTB with another one). In other cases, the DTS source code is used and the necessary fragment is added/changed to it and a new DTB is assembled, or, if there are no sources, use the DTB to DTS conversion utility, add \ change, and reverse conversion to DTB. 0 Quote Link to comment Share on other sites More sharing options...
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