Re: [PATCH] dt-bindings: ufs: qcom: Add reg-names property for ICE

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On Fri Dec 9, 2022 at 4:05 PM CET, Krzysztof Kozlowski wrote:
> On 09/12/2022 15:29, Luca Weiss wrote:
> > The code in ufs-qcom-ice.c needs the ICE reg to be named "ice". Add this
> > in the bindings so the existing dts can validate successfully.
> > 
> > Also sm8450 is using ICE since commit 276ee34a40c1 ("arm64: dts: qcom:
> > sm8450: add Inline Crypto Engine registers and clock") so move the
> > compatible to the correct if.
> > 
> > Signed-off-by: Luca Weiss <luca.weiss@xxxxxxxxxxxxx>
> > ---
> > (no cover subject)
> > 
> > The only remaining validation issues I see is the following on sc8280xp-crd.dtb
> > and sa8540p-ride.dtb:
> > 
> >   Unevaluated properties are not allowed ('required-opps', 'dma-coherent' were unexpected)
> > 
> > Maybe someone who knows something about this can handle this?
> > 
> > And the patch adding qcom,sm6115-ufshc hasn't been applied yet.
> > ---
> >  Documentation/devicetree/bindings/ufs/qcom,ufs.yaml | 8 +++++++-
> >  1 file changed, 7 insertions(+), 1 deletion(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
> > index f2d6298d926c..58a2fb2c83c3 100644
> > --- a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
> > +++ b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
> > @@ -102,7 +102,6 @@ allOf:
> >                - qcom,sc8280xp-ufshc
> >                - qcom,sm8250-ufshc
> >                - qcom,sm8350-ufshc
> > -              - qcom,sm8450-ufshc
> >      then:
> >        properties:
> >          clocks:
> > @@ -130,6 +129,7 @@ allOf:
> >                - qcom,sdm845-ufshc
> >                - qcom,sm6350-ufshc
> >                - qcom,sm8150-ufshc
> > +              - qcom,sm8450-ufshc
> >      then:
> >        properties:
> >          clocks:
> > @@ -149,6 +149,12 @@ allOf:
> >          reg:
> >            minItems: 2
> >            maxItems: 2
> > +        reg-names:
>
> There are no reg-names in top-level, so it's surprising to see its
> customized here. It seems no one ever documented that usage...

>From what I can tell, from driver side all devices not using ICE don't
need reg-names, only the "ice" reg is referenced by name in the driver.

I didn't add it top-level because with only one reg I think we're not
supposed to use reg-names, right?

Regards
Luca

>
> > +          items:
> > +            - const: std
> > +            - const: ice
> > +      required:
> > +        - reg-names
> >  
> >    - if:
> >        properties:
> > 
> > ---
> > base-commit: f925116b24c0c42dc6d5ab5111c55fd7f74e8dc7
> > change-id: 20221209-dt-binding-ufs-2d7f64797ff2
> > 
> > Best regards,
>
> Best regards,
> Krzysztof





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