yezhonghui2024 opened a new pull request, #17719:
URL: https://github.com/apache/nuttx/pull/17719

   *Note: Please adhere to [Contributing 
Guidelines](https://github.com/apache/nuttx/blob/master/CONTRIBUTING.md).*
   
   ## Summary
   
   add gpiochip in sim platform
   
   ## Impact
   
   sim can access host gpiochip hardware via sim gpiochip driver 
   
   ## Testing
   
   prepare:
   1. need a ch341A usb module
   
   2. host driver reference open source driver
   https://github.com/frank-zago/ch341-i2c-spi-gpio
   


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