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Message-ID: <CAL_JsqKXwL5sGkSikRO6CVSRwENbW1-b3Bn+oy1Acupt06=dRQ@mail.gmail.com> Date: Fri, 23 Feb 2024 10:53:14 -0700 From: Rob Herring <robh@...nel.org> To: Xu Yang <xu.yang_2@....com> Cc: "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>, "krzysztof.kozlowski+dt@...aro.org" <krzysztof.kozlowski+dt@...aro.org>, "shawnguo@...nel.org" <shawnguo@...nel.org>, "conor+dt@...nel.org" <conor+dt@...nel.org>, "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>, "kernel@...gutronix.de" <kernel@...gutronix.de>, "festevam@...il.com" <festevam@...il.com>, dl-linux-imx <linux-imx@....com>, "peter.chen@...nel.org" <peter.chen@...nel.org>, Jun Li <jun.li@....com>, "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>, "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [EXT] Re: [PATCH v6 4/9] dt-bindings: usb: add NXP ChipIdea USB2 Controller schema On Fri, Feb 23, 2024 at 7:56 AM Xu Yang <xu.yang_2@....com> wrote: > > Hi Rob, > > > > > 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@....com> > > > > > > --- > > > 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 > > > +--- > > > +$id: http://devicetree.org/schemas/usb/ci-hdrc- > > usb2- > > imx.yaml%23&data=05%7C02%7Cxu.yang_2%40nxp.com%7C4ac0c60cd4b4433f0f9f08dc34782572%7C686ea1d3bc2b4c6fa92c > > d99c5c301635%7C0%7C0%7C638442937830606824%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIi > > LCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=7p1DzvYmBsTgN44jypH7lc56z9hVBsFBYXUwsblk9z8%3D&reserv > > ed=0 > > > +$schema: http://devicetree.org/meta- > > schemas%2Fcore.yaml%23&data=05%7C02%7Cxu.yang_2%40nxp.com%7C4ac0c60cd4b4433f0f9f08dc34782572%7C686ea1d3 > > bc2b4c6fa92cd99c5c301635%7C0%7C0%7C638442937830615622%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLC > > JQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=fWWy9enbGK5yeKiovday7go3Gss5L%2F%2Fe%2F > > OZcANny0QA%3D&reserved=0 > > > + > > > +title: NXP USB2 ChipIdea USB controller > > > + > > > +maintainers: > > > + - Xu Yang <xu.yang_2@....com> > > > + > > > +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? > > > > Yes, I know. > > But according to your words, I need to split ci-hdrc-usb2.yaml into 1 common > file and more than 1 vendor specific files (imx, nvidia, qcom, nuvoton and > others). In this patchset, I only focus on imx part and KK said he or someone > will take over other parts, therefore I just duplicated all the imx compatibles. This series is just wasting our time because it can't be applied without that. > If I only create imx specific yaml file and remove all compatilbles from common > file, nvidia, qcom, nuvoton and others compatible info will be lost, is this > feasible? Or should I create mutiple vendor specific files at the same time? You don't have to split each vendor to a separate vendor schema file. Just move everything common to ci-hdrc-usb2-common.yaml and add a reference to it. Then imx can reference the common file. Rob
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