In the world of Android maintenance and device repair, the Exynos USB Device(4.0.0.0)
What does this mean?
Likely meanings
- Verified driver/module name: A kernel driver or platform-specific module named usb_device4000 that has been tested and marked as verified for Exynos SoCs.
- Device tree node / DT binding: A device node in the kernel device tree (e.g., compatible = "samsung,usb-device4000") indicating a USB peripheral block present on certain Exynos chips and validated in board trees.
- Firmware/hardware IP block: A USB controller IP variant (internal name Device4000) included in an Exynos revision and confirmed working with upstream kernel or vendor BSP.
- Test/validation status: "Verified" commonly means the driver/device has passed functional tests (enumeration, host/device modes, endpoint handling, high/full/low speed transfers) on target hardware.
4. Host-side Setup
Linux
The device will appear as:
