What I have finished
Created by: mingzhangqun
AI-64 cape dts: https://github.com/mingzhangqun/BeagleBoard-DeviceTrees/blob/v5.10.x-ti-arm64-cape/src/arm64/k3-j721e-beagleboneai64-cape.dts pru-software-support-package: https://github.com/mingzhangqun/pru-software-support-package/tree/j721e PRU firmware(gpio pwm output): https://github.com/mingzhangqun/cloud9-examples/tree/bbai64-cape/BeagleBone/AI-64/pru PRU debug: https://github.com/mingzhangqun/BeagleBoard-exercises/tree/j721e/pru/prudebug Robotic_demo(pwm test): https://github.com/mingzhangqun/robotic_demo