Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFM32GG11B/EFM32GG11B120F2048IM64/EBI/POLARITY2#0x0
Polarity Register 2
Chip Select Polarity
Read Enable Polarity
Write Enable Polarity
Address Latch Polarity
ARDY Polarity
BL Polarity
https://github.com/cmsis-svd/cmsis-svd-data