M5Tab5 USB Host: Full-Speed device enumeration fails with "Root port reset failed"

[duckmanek]

Describe the bug

USB Host on M5Tab5 (ESP32-P4) fails to enumerate Full-Speed USB devices (e.g. Garmin GPSMAP 66s in CDC/Spanner mode). The device is detected (VBUS present, device powered) but enumeration fails with repeated E HUB: Root port reset failed errors every ~2.3 seconds.

To reproduce

1. Set M5Tab5 input source to USB Host mode
2. Connect any Full-Speed USB CDC device (tested: Garmin GPSMAP 66s in Spanner/Serial mode)
3. Power on — device receives VBUS (5V) but enumeration never completes
4. Serial monitor shows: E (XXXXX) HUB: Root port reset failed repeated every ~2.3 seconds

Expected behavior

USB Full-Speed CDC device enumerates successfully and data transfer works.

Screenshots

No response

Environment

Board: M5Stack Tab5 (ESP32-P4)
arduino-esp32 (m5stack fork): 3.2.5
IDF version: 5.3.x

Additional context

This is a known ESP-IDF bug fixed in IDF 5.4.2. The espressif arduino-esp32 3.3.8 (IDF 5.5.4) does not fix this for Tab5 either due to missing board variant definitions. High-Speed devices work correctly. Please update the M5Stack arduino-esp32 fork to IDF 5.4+.

Issue checklist

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