On Thu, Dec 17, 2020 at 12:07:28PM +0100, Michael Grzeschik wrote: > The dwc2 controller at least needs one core clock which needs to be > enabled before it is able to address the core registers. This patch adds > the referenced clock in the devicetree to be used. > > Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx> > --- > drivers/usb/dwc2/core.h | 1 + > drivers/usb/dwc2/dwc2.c | 19 +++++++++++++++++-- > 2 files changed, 18 insertions(+), 2 deletions(-) > > diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h > index b9845b5524..780efb262c 100644 > --- a/drivers/usb/dwc2/core.h > +++ b/drivers/usb/dwc2/core.h > @@ -467,6 +467,7 @@ struct dwc2 { > struct dwc2_core_params params; > > struct phy *phy; /* optional */ > + struct clk *clk; > > #ifdef CONFIG_USB_DWC2_HOST > struct usb_host host; > diff --git a/drivers/usb/dwc2/dwc2.c b/drivers/usb/dwc2/dwc2.c > index 82b5ef2813..13455479ef 100644 > --- a/drivers/usb/dwc2/dwc2.c > +++ b/drivers/usb/dwc2/dwc2.c > @@ -50,15 +50,26 @@ static int dwc2_probe(struct device_d *dev) > dwc2->regs = IOMEM(iores->start); > dwc2->dev = dev; > > + dwc2->clk = clk_get(dev, NULL); According to the binding doc the clock should be named "otg", I think this should be changed accordingly. Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox