Example minimal driver skeleton (kernel):
Allwinner SoCs without DWC2 for host ports use separate EHCI/OHCI controllers. They appear as standard platform EHCI, but require PHY and clock setup via the PHY driver. The EHCI driver binds to nodes like: allwinner usb driver
(e.g., Figure 2-10), showing how it interacts with the Linux kernel. Controller Support : It covers the SUNXI USB 2.0 Dual Role Controller allwinner usb driver
Enter the . This is not just a simple piece of software; it is the bridge between the low-level boot ROM on your Allwinner chip and the PC software (like PhoenixSuit, LiveSuit, or Sunxi-tools) that you need to flash firmware or debug hardware. allwinner usb driver