Got it, these Patches require different clock names ref_clk => ref bus_clk => bus_early after renaming usb works on my board will send an follow-up patch for this series regards Frank > Gesendet: Samstag, 09. April 2022 um 09:23 Uhr > Von: "Frank Wunderlich" <frank-w@xxxxxxxxxxxxxxx> > > at least i nailed it down to these 2 commits in drivers/usb/dwc3/core.c, without them it works > > 5114c3ee2487 2022-01-27 usb: dwc3: Calculate REFCLKPER based on reference clock > 33fb697ec7e5 2022-01-27 usb: dwc3: Get clocks individually