SDAA138 September   2025 AM2611 , AM2612 , AM2612-Q1

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2USB Host Detection
    1. 2.1 General USB Host Detection Flow
    2. 2.2 AM261x USB Host Detection
  6. 3Hardware Modifications
  7. 4Software Modifications
    1. 4.1 Changes in the USB Synp Driver
    2. 4.2 Changes in the USB Application
    3. 4.3 Steps to Rebuild the USB Driver and Application
      1. 4.3.1 Rebuilding USB Libs
      2. 4.3.2 Rebuilding USB Application
        1. 4.3.2.1 CCS Build
        2. 4.3.2.2 Command Line Build
    4. 4.4 Testing the New Application
  8. 5Summary
  9. 6References

2.2 AM261x USB Host Detection

In case of AM261x, the VBUS line is not used to configure the controller as discussed in the previous sections. Instead the software driver configures the VBUSVALID bit of the controller. To modify this, follow the steps discussed in the following sections.