Hello Dan, On 2019/03/08 16:35, Dan Johansen wrote: > - gpio = <&gpio0 RK_PA2 GPIO_ACTIVE_HIGH>; > + gpio = <&gpio0 RK_PD3 GPIO_ACTIVE_HIGH>; According to Robin's advice by reading the schematic, correct GPIO pin assignment is RK_PA2, but GPIO_ACTIVE_LOW. This fixed the USB problem for me. Please see the following thread: https://lists.infradead.org/pipermail/linux-rockchip/2019-March/023298.html Also please see this patch: https://lists.infradead.org/pipermail/linux-rockchip/2019-March/023300.html Or won't your problem be fixed with this patch? Regards, Tomohiro _______________________________________________ Linux-rockchip mailing list Linux-rockchip@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-rockchip