Someone recently sent me OpenBSD 7.9 dmesg output from a NanoPi Zero2, which is a very compact and barebones arm64 machine based on the Rockchip RK3528 SoC.

Feeling somewhat bored, I decided to try to visualize the hardware relationships in directed graph form. It worked rather less-terribly than I expected with my very limited Graphviz experience.

For example, the below dmesg snippet shows how the first Ethernet interface is attached in my PCengines APU2: