Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/EFR32BG22C224F512GM32/MSC_S/PWRCTRL#0x0
No Description
Power down Flash macro when enter EM1
Power down Flash macro when enter EM1P
POWER down flash again in EM1/EM1p
Power down delay
https://github.com/cmsis-svd/cmsis-svd-data