On Tue, Dec 11, 2018 at 6:19 PM Roger Quadros <rogerq@xxxxxx> wrote: > > Pawel, > > On 10/12/18 14:39, Pawel Laszczak wrote: > > This patch aim at documenting USB related dt-bindings for the > > Cadence USBSS-DRD controller. > > > > Signed-off-by: Pawel Laszczak <pawell@xxxxxxxxxxx> > > --- > > .../devicetree/bindings/usb/cdns3-usb.txt | 31 +++++++++++++++++++ > > 1 file changed, 31 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/usb/cdns3-usb.txt > > > > diff --git a/Documentation/devicetree/bindings/usb/cdns3-usb.txt b/Documentation/devicetree/bindings/usb/cdns3-usb.txt > > new file mode 100644 > > index 000000000000..ae4a255f0b10 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/usb/cdns3-usb.txt > > @@ -0,0 +1,31 @@ > > +Binding for the Cadence USBSS-DRD controller > > + > > +Required properties: > > + - reg: Physical base address and size of the controller's register areas. > > + Controller has 3 different regions: > > + region 1 - HOST registers area > > + region 2 - DEVICE registers area > > + region 3 - OTG/DRD registers area > > + - compatible: Should contain: "cdns,usb3" > > + - interrupts: Interrupt specifier. Refer to interrupt bindings. > > + Driver supports only single interrupt line. > > + This single interrupt is shared between Device, > > + host and OTG/DRD part of driver. > > + > > +Optional propertiesi: > > s/propertiesi/properties > > > + - maximum-speed : valid arguments are "super-speed", "high-speed" and > > + "full-speed"; refer to usb/generic.txt > > + - dr_mode: Should be one of "host", "peripheral" or "otg". > > + - phys: reference to the USB PHY > > + - phy-names: name of the USB PHY, should be "cdns3,usbphy" > > + > > + > > +Example: > > + usb@f3000000 { > > + compatible = "cdns,usb3"; > > + interrupts = <USB_IRQ 7 IRQ_TYPE_LEVEL_HIGH>; > > + reg = <0xf3000000 0x10000 //memory area for HOST registers > > + 0xf3010000 0x10000 //memory area for DEVICE registers > > + 0xf3020000 0x10000>; //memory area for OTG/DRD registers > > Use "/* <comment> */" instead. > > > + }; > > + > > When running git am to apply patch, it has below warning, please fix them. Applying: dt-bindings: add binding for USBSS-DRD controller. .git/rebase-apply/patch:42: new blank line at EOF. + warning: 1 line adds whitespace errors.