Sprd Gadget Serial Driver Direct

1. Overview The SPRD Gadget Serial Driver refers to the implementation of the Linux USB Gadget subsystem on Unisoc (Spreadtrum) system-on-chip (SoC) platforms. It enables the device (e.g., smartphone, IoT module, tablet) to emulate a USB serial device (like /dev/ttyGS0 ) when connected to a host PC.