Re: [PATCH] dt-bindings: mfd: cros-ec: Allow interrupts-extended property

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On Thu, Nov 30, 2023 at 4:52 PM Krzysztof Kozlowski
<krzysztof.kozlowski@xxxxxxxxxx> wrote:
>
> On 30/11/2023 09:33, Chen-Yu Tsai wrote:
> > "interrupts-extended" provides a more concise way of describing external
> > GPIO interrupts.
> >
> > Allow using this instead of "interrupts" plus "interrupt-parent" for
> > cros-ec.
> >
> > Signed-off-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>
> > ---
> >  .../devicetree/bindings/mfd/google,cros-ec.yaml          | 9 ++++++++-
> >  1 file changed, 8 insertions(+), 1 deletion(-)
> >
> > diff --git a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
> > index e1ca4f297c6d..e514eac9f4fc 100644
> > --- a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
> > +++ b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
> > @@ -75,6 +75,9 @@ properties:
> >    interrupts:
> >      maxItems: 1
> >
> > +  interrupts-extended:
> > +    maxItems: 1
> > +
>
> I don't understand why you need it. You already have interrupts there,
> so this is redundant. I suggest to drop the patch or provide real
> rationale (which I doubt you can get :) ).

I'm sorry, I should've included this in the commit message.

The other half of the patch gets rid of a DT validation fail when
interrupts-extended is used instead of interrupts:

.../arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dtb: ec@0:
'interrupts' is a required property
    from schema $id: http://devicetree.org/schemas/mfd/google,cros-ec.yaml#


maxItems for interrupts-extended was included for completeness. Maybe it
isn't needed? But then how would the validator know how many items should
there be when interrupts-extended is used


Regards
ChenYu





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