Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32f7/STM32F722/OTG_HS_GLOBAL/OTG_HS_GRSTCTL#0x0
OTG_HS reset register
Core soft reset
HCLK soft reset
Host frame counter reset
RxFIFO flush
TxFIFO flush
TxFIFO number
DMA request signal enabled for USB OTG HS
AHB master idle
https://github.com/modm-io/cmsis-svd-stm32