Re: [RFC PATCH v2 2/3] dt-bindings: usb: generic-xhci: add Samsung Exynos compatible

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On Thu, Dec 29, 2022 at 11:19:09AM +0100, Krzysztof Kozlowski wrote:
> On 29/12/2022 10:57, Daehwan Jung wrote:
> > Add compatible for Samsung Exynos SOCs
> 
> Missing full stop. Please explain here in details the hardware.
> Otherwise it looks it is not for any hardware and patch should be dropped.
> 

I got it. This patch may be for new feature of generic xhci not for exynos.
I will add hardware description on next submission.

> Also, missing DTS. I am going to keep NAK-ing this till you provide the
> user.
> 
> NAK.
> 

I've added a example and checked bindings following below guides.

https://docs.kernel.org/devicetree/bindings/submitting-patches.html
https://docs.kernel.org/devicetree/bindings/writing-schema.html

I have no idea that I have to also submit DTS.
I will submit it on next submission.

> > 
> > Signed-off-by: Daehwan Jung <dh10.jung@xxxxxxxxxxx>
> > ---
> >  Documentation/devicetree/bindings/usb/generic-xhci.yaml | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/usb/generic-xhci.yaml b/Documentation/devicetree/bindings/usb/generic-xhci.yaml
> > index db841589fc33..f54aff477637 100644
> > --- a/Documentation/devicetree/bindings/usb/generic-xhci.yaml
> > +++ b/Documentation/devicetree/bindings/usb/generic-xhci.yaml
> > @@ -29,6 +29,8 @@ properties:
> >          enum:
> >            - brcm,xhci-brcm-v2
> >            - brcm,bcm7445-xhci
> > +      - description: Samsung Exynos SoCs with xHCI
> > +        const: samsung,exynos-xhci
> 
> Missing fallback.

Modifying it like below is OK?

decription: Samsung Exynos SoCs with xHCI
        items:
            - const: samsung,exynos-xhci
            - const: generic-xhci

Best Regards,
Jung Daehwan

> 
> >        - description: Generic xHCI device>          const: xhci-platform
> >          deprecated: true
> 
> Best regards,
> Krzysztof
> 
> 





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