Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/EFR32BG22C224F512GM32/CMU_S/WDOG0CLKCTRL#0x0
No Description
Clock Select
1 (LFRCO): LFRCO is clocking WDOG0CLK
2 (LFXO): LFXO is clocking WDOG0CLK
3 (ULFRCO): ULFRCO is clocking WDOG0CLK
4 (HCLKDIV1024): HCLKDIV1024 is clocking WDOG0CLK
https://github.com/cmsis-svd/cmsis-svd-data