Hi, On Wed, Oct 18, 2017 at 9:06 PM, Icenowy Zheng <icenowy@xxxxxxx> wrote: > Banana Pi M2 Berry has an on-board USB Hub that provides 4 USB Type-A > ports, and it's connected to the USB1 port of the SoC. > > Enable it. What is the USB hub chip's model? If it's a USB 2.0 hub, then you don't need to enable the OHCI. ChenYu -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html