johmue Posted April 19 Share Posted April 19 (edited) Hi, I've been using the /dev/ttyAML1 UART port on my Odroid N2+ at the GPIO pins 8 and 10 with buster. With the update to bullseye, the /dev/ttyAML1 device disappeared. Also now in bookworm it is no longer present. Now I happen to need the UART at GPIO 8 and 10 again and did some more persistent research and came across this post over in the DietPI forum. It provided an alternative meson-g12b-odroid-n2-plus.dtb which I installed in my system. Since then my /dev/ttyAML1 device is back and I can use the UART at GPIO 8 and 10 as I wished. However, I am a bit nervous, since I just installed some binary dtb file to my system at a path which is owned by the linux-dtb-current-meson64 package. So it is endangered by a system update. Is there an "official" way to get back my /dev/AML1 UART device which is sustainable? Thank you very much Edited April 19 by johmue 0 Quote Link to comment Share on other sites More sharing options...
usual user Posted April 20 Share Posted April 20 20 hours ago, johmue said: Is there an "official" way to get back my /dev/AML1 UART device which is sustainable? meson-g12b-odroid-n2-plus.dtb is a base DTB with a static applied overlay. In your mentioned thread at post 23 is a reference to a parallel thread where the overlay source is provided. So prepare a PR so that the overlay can be included in Armbian. You'll probably reap tons of grateful users who have been waiting for someone to make the effort. 0 Quote Link to comment Share on other sites More sharing options...
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