The USB node was accidentally set to host mode in the dtb, preventing OTG from working. Patch origin: https://github.com/radxa-repo/bsp/blob/main/linux/stable/0020-radxa-zero/0005-arm64-dts-radxa-zero-set-dr_mode-of-usb-node-to-otg.patch
The USB node was accidentally set to host mode in the dtb, preventing OTG from working. Patch origin: https://github.com/radxa-repo/bsp/blob/main/linux/stable/0020-radxa-zero/0005-arm64-dts-radxa-zero-set-dr_mode-of-usb-node-to-otg.patch