Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/EFR32FG23B010F512IM40/CMU_NS/LCDCLKCTRL#0x0
No Description
Clock Select
1 (LFRCO): LFRCO is clocking LCDCLK
2 (LFXO): LFXO is clocking LCDCLK
3 (ULFRCO): ULFRCO is clocking LCDCLK
https://github.com/cmsis-svd/cmsis-svd-data