On Wed, Feb 21, 2024 at 10:58:41PM +0800, Xu Yang wrote: > As more and more NXP i.MX chips come out, it becomes harder to maintain > ci-hdrc-usb2.yaml if more stuffs like property restrictions are added to > this file. This will separate i.MX parts out of ci-hdrc-usb2.yaml and add > a new schema for NXP ChipIdea USB2 Controller. > > Signed-off-by: Xu Yang <xu.yang_2@xxxxxxx> > > --- > Changes in v6: > - new patch > --- > .../bindings/usb/ci-hdrc-usb2-imx.yaml | 75 +++++++++++++++++++ > 1 file changed, 75 insertions(+) > create mode 100644 Documentation/devicetree/bindings/usb/ci-hdrc-usb2-imx.yaml > > diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2-imx.yaml b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2-imx.yaml > new file mode 100644 > index 000000000000..2ec62f564bf5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2-imx.yaml > @@ -0,0 +1,75 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/usb/ci-hdrc-usb2-imx.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: NXP USB2 ChipIdea USB controller > + > +maintainers: > + - Xu Yang <xu.yang_2@xxxxxxx> > + > +properties: > + compatible: > + oneOf: > + - enum: > + - fsl,imx27-usb > + - items: > + - enum: > + - fsl,imx23-usb > + - fsl,imx25-usb > + - fsl,imx28-usb > + - fsl,imx35-usb > + - fsl,imx50-usb > + - fsl,imx51-usb > + - fsl,imx53-usb > + - fsl,imx6q-usb > + - fsl,imx6sl-usb > + - fsl,imx6sx-usb > + - fsl,imx6ul-usb > + - fsl,imx7d-usb > + - fsl,vf610-usb > + - const: fsl,imx27-usb > + - items: > + - enum: > + - fsl,imx8dxl-usb > + - fsl,imx8ulp-usb > + - const: fsl,imx7ulp-usb > + - const: fsl,imx6ul-usb > + - items: > + - enum: > + - fsl,imx8mm-usb > + - fsl,imx8mn-usb > + - const: fsl,imx7d-usb > + - const: fsl,imx27-usb > + - items: > + - enum: > + - fsl,imx6sll-usb > + - fsl,imx7ulp-usb > + - const: fsl,imx6ul-usb > + - const: fsl,imx27-usb Now you just duplicated all the compatibles, and now any new compatibles have to be added in 2 places. For this to work, you have to split ci-hdrc-usb2.yaml into 2 files. One with all the common properties and one with compatibles (minus imx). This is also needed if imx has any extra properties the other don't. Didn't I say this already? Rob