Qualcomm MDM9607 » History » Version 4
There is no dtsi for the MDM9607 upstream but there is a downstream port of Linux which is, at the time of writing, based on Linux 5.11, for the Pinephone modem (EG25G), which uses an MDM907.
The code is here: https://github.com/SoMainline/linux/commits/konrad/pinemodem
- Pine64_Pinephone (which has an EG25-G)
- Find which modem system in package was used in the port