slorquet opened a new pull request, #6287:
URL: https://github.com/apache/incubator-nuttx/pull/6287

   ## Summary
   nucleo-h743zi is the only instanciation of stm32h7, and this board uses the 
HSE oscillator provided by the stlink interface.
   Definitions are missing to use HSI instead. This commit adds the ability to 
choose the HSE divider instead of the default value 4.
   This is useful to match the HSI frequency to the existing HSE config, eg 8 
MHz.
   This allows to use the exact same PLL configuration.
   
   ## Impact
   None expected if projects based on STM32H7 continue to use HSE.
   This is new code that only applies to users of STM32H7 that want to use the 
HSI oscillator. To my knowledge there is none but you never know.
   
   ## Testing
   In theory, all projects using STM32H7 should be retested. No regression is 
expected.
   


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