Hi Rob, > From: Rob Herring, Sent: Wednesday, October 30, 2019 5:20 AM > > On Mon, Oct 28, 2019 at 11:14 PM Yoshihiro Shimoda > <yoshihiro.shimoda.uh@xxxxxxxxxxx> wrote: <snip> > > > > diff --git a/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml > > > b/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml > > > > new file mode 100644 > > > > index 00000000..0f109c2 > > > > --- /dev/null > > > > +++ b/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml > > > > @@ -0,0 +1,106 @@ > > > > +# SPDX-License-Identifier: GPL-2.0-only > > > > +%YAML 1.2 > > > > +--- > > > > +$id: http://devicetree.org/schemas/phy/renesas,usb2-phy.yaml# > > > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > > > + > > > > +title: Renesas R-Car generation 3 USB 2.0 PHY > > > > + > > > > +maintainers: > > > > + - Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> > > > > + > > > > +properties: > > > > + compatible: > > > > + oneOf: > > > > > > This: > > > > What does the "This:" mean? > > I was referring to the 3 lines below. I was trying to be clear which > lines to replace with just 'const'. Thank you for the reply! I understood it. Best regards, Yoshihiro Shimoda > > If I replaced the "oneOf:" with "This:", > > the following error happens when "make dt_binding_check": > > > > SCHEMA Documentation/devicetree/bindings/processed-schema.yaml > > warning: no schema found in file: Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml > > [snip]/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml: ignoring, error in schema 'compatible' > > Documentation/devicetree/bindings/Makefile:33: recipe for target > 'Documentation/devicetree/bindings/processed-schema.yaml' failed > > make[1]: *** [Documentation/devicetree/bindings/processed-schema.yaml] Error 255 > > Makefile:1263: recipe for target 'dt_binding_check' failed > > make: *** [dt_binding_check] Error 2 > > > > > > + - items: > > > > + - enum: > > > > + - renesas,usb2-phy-r8a77470 # RZ/G1C > > > > > > You can simplify to just: > > > > > > - const: renesas,usb2-phy-r8a77470 # RZ/G1C > > > > I'll fix it.