What Works:
- USB2 and USB3
- PCIe2
- GMAC
- eMMC on HS200 mode
- Cpufreq
- User and maskrom buttons
Dmesg Output: https://paste.armbian.com/onelomofit
You can download them from Rolling releases section on https://www.armbian.com/nanopi-r6s/ page. Images include devicetrees for R6S and R6C. If you have R6C, you must change the devicetree from armbianEnv.txt.