Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32H7x5_CM7/OTG1_HS_PWRCLK/OTG_HS_PCGCR#0x0
Power and clock gating control register
Stop PHY clock
Gate HCLK
PHY suspended
https://github.com/cmsis-svd/cmsis-svd-data