Hi Li Jun, On Tue, Dec 13, 2022 at 8:17 AM Jun Li <jun.li@xxxxxxx> wrote: > What's the OC polarity config in your SW, active low, or active high? > Basically if the OC condition is active, the host mode cannot work > well. Yes, if I keep the OC pinctrl definition and pass 'over-current-active-low;' the problem does not happen. Thanks a lot, Fabio Estevam