BananaPi CM4: Add force USB host mode capability
The BananaPi CM4 doesn't play well with a number of third party base boards in that often, USB does not work on them. Usually, that is because the third party base board designer connected the USB hub IC to an SOC OTG port without connecting a line to switch the OTG port into host mode. The problem was demonstrated at least with the Waveshare CM4 Base Board B and the MCUZone POE baseboard. In the Banana Pi forums, Sinovoip engineer "August" posted a DTBO for Ubuntu 20.04 which solves the issue b
Give it a whirl and let me know.
lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 090c:1000 Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) Flash Drive
Bus 001 Device 003: ID 0bda:a811 Realtek Semiconductor Corp. RTL8811AU 802.11a/b/g/n/ac WLAN Adapter
Bus 001 Device 002: ID 1a40:0101 Terminus Technology Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
meson-g12b-bananapi-cm4-waves