Thanks Google: Linux Kernel Finally Nearing Support For The Apple Magic Trackpad 2
Found on Phoronix on Sunday, 30 September 2018
There has been an out-of-tree kernel module providing wired support for this trackpad as well as a separate HID module working on wireless support, but neither mainlined. However, as seen by this bug report there have been plenty of people since 2015 interested in using the Magic Trackpad 2 on Linux.
The 149 lines of code extend the existing Linux HID Magic Mouse driver into supporting the Magic Trackpad 2 both for the USB wired interface as well as the Bluetooth wireless connectivity.
Until Apple finds a way to mess it all up with some update to stop people from using Apple devices with non-Apple devices.