I got my Orange Pi 5 board to boot v6.1.20
I took all the patches from here:
https://gitlab.manjaro.org/manjaro-arm/packages/core/linux-rk3588/-/tree/main/
and built from Armbian's latest trunk source. These patch(es) will need to be modified to support v6.2 & v6.3.
> uname -a
> Linux orangepi5 6.1.20-rockchip-rk3588 #trunk SMP Tue Apr 25 11:47:11 UTC 2023 aarch64 aarch64 aarch64 GNU/Linux