I packaged that driver on the AUR, since I’ve got the same device. I can’t get the binary blob to work (admittedly, I haven’t tried very hard) and it’s not high on my list of priorities so I’m okay using it as a dumb MIDI tool.
Arch package manager here, there is ongoing work behind the scenes to support multiple architectures (aarch64, riscv, etc), but as our volunteers (myself included) are doing this in our free time, progress is up in the air.