Linux is Rock64's edge version from Armbian.
DTB file is from flippy.
Related publishing pages:
https://www.right.com.cn/forum/thread-4076037-1-1.html
current version is extracted from dtb-rockchip-5.19.8-flippy-76+.tar.gz
- Install base-devel:
# pacman -S base-devel pacman-contrib
- Build package:
# su alarm
$ cd <package directory>
$ updpkgsums
$ makepkg -Cf
- Install package:
# pacman -U <package name>.pkg.tar.xz
Run step 1 above again, and you will get lastest packages.