Terry Hardie

I've spent around 10 hours on this issue. I used the most recent rockpi image for Armbian (Armbian_21.08.1_Rockpi-4b_hirsute_edge_5.13.12_xfce_desktop.img.xz) I managed to finally make it work by adding this dts file: /dts-v1/; /plugin/; / { compatible = "rockchip,rk3399"; fragment@0 { target = <&usbdrd_dwc3_0>; __overlay__ { dr_mode = "peripheral"; compatible = "snps,dwc3"; reg = <0x0 0xfe800000 0x0 0x100000>; phys = <&tcphy0_usb3>; phy-names = "usb3-phy"; phy_type = "utmi_wide"; snps,dis_enblslpm_quirk; snps,dis-u2-freeclk-exists-quirk; snps,dis_u2_susphy_quirk; snps,dis-del-phy-power-chg-quirk; snps,xhci-slow-suspend-quirk; }; }; }; So, write the above to dwc3-0-device.dts and then run: sudo armbian-add-overlay dwc3-0-device.dts After this, loading g_ether or g_mass_storage worked fine.