Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFM32GG12B/EFM32GG12B110F1024GM64/LETIMER1/ROUTEPEN#0x0
I/O Routing Pin Enable Register
Output 0 Pin Enable
Output 1 Pin Enable
https://github.com/cmsis-svd/cmsis-svd-data