Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32u5/STM32U595/SYSCFG/OTGHSPHYCR#0x0
SYSCFG USB OTG_HS PHY register
EN
PDCTRL
CLKSEL
https://github.com/modm-io/cmsis-svd-stm32