linux-kernel - Re: [PATCH v3 1/4] dt-bindings: interrupt-controller: Add support for Amlogic A4 and A5 SoCsy

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Message-ID: <20250305170723.GA2143418-robh@kernel.org>
Date: Wed, 5 Mar 2025 11:07:23 -0600
From: Rob Herring <robh@...nel.org>
To: Conor Dooley <conor@...nel.org>
Cc: xianwei.zhao@...ogic.com, Thomas Gleixner <tglx@...utronix.de>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Kevin Hilman <khilman@...libre.com>,
	Jerome Brunet <jbrunet@...libre.com>,
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
	Heiner Kallweit <hkallweit1@...il.com>,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-amlogic@...ts.infradead.org
Subject: Re: [PATCH v3 1/4] dt-bindings: interrupt-controller: Add support
 for Amlogic A4 and A5 SoCsy

On Wed, Mar 05, 2025 at 04:28:16PM +0000, Conor Dooley wrote:
> On Wed, Mar 05, 2025 at 06:02:56PM +0800, Xianwei Zhao via B4 Relay wrote:
> > From: Xianwei Zhao <xianwei.zhao@...ogic.com>
> > 
> > Update dt-binding document for GPIO interrupt controller
> > of Amlogic A4 and A5 SoCs
> > 
> > Signed-off-by: Xianwei Zhao <xianwei.zhao@...ogic.com>
> > ---
> >  .../amlogic,meson-gpio-intc.yaml                    | 21 +++++++++++++++++++--
> >  1 file changed, 19 insertions(+), 2 deletions(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/interrupt-controller/amlogic,meson-gpio-intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/amlogic,meson-gpio-intc.yaml
> > index a93744763787..3c5853c71efa 100644
> > --- a/Documentation/devicetree/bindings/interrupt-controller/amlogic,meson-gpio-intc.yaml
> > +++ b/Documentation/devicetree/bindings/interrupt-controller/amlogic,meson-gpio-intc.yaml
> > @@ -35,6 +35,9 @@ properties:
> >                - amlogic,meson-sm1-gpio-intc
> >                - amlogic,meson-a1-gpio-intc
> >                - amlogic,meson-s4-gpio-intc
> > +              - amlogic,a4-gpio-intc
> > +              - amlogic,a4-gpio-ao-intc
> > +              - amlogic,a5-gpio-intc
> >                - amlogic,c3-gpio-intc
> >                - amlogic,t7-gpio-intc
> >            - const: amlogic,meson-gpio-intc
> > @@ -49,8 +52,6 @@ properties:
> >  
> >    amlogic,channel-interrupts:
> >      description: Array with the upstream hwirq numbers
> > -    minItems: 8
> > -    maxItems: 12
> 
> Please leave the widest constraints here, and let the more restricted
> ones in your if/else below.
> 
> >      $ref: /schemas/types.yaml#/definitions/uint32-array
> >  
> >  required:
> > @@ -60,6 +61,22 @@ required:
> >    - "#interrupt-cells"
> >    - amlogic,channel-interrupts
> >  
> > +if:
> > +  properties:
> > +    compatible:
> > +      contains:
> > +        const: amlogic,a4-gpio-ao-intc
> > +then:
> > +  properties:
> > +    amlogic,channel-interrupts:
> > +      minItems: 2
> > +      maxItems: 12

And then you don't need this clause as 2-12 is the full range.

> > +else:
> > +  properties:
> > +    amlogic,channel-interrupts:
> > +      minItems: 8
> > +      maxItems: 12

And 12 is already the max, so you only need 'minItems: 8'.

> > +
> >  additionalProperties: false
> >  
> >  examples:
> > 
> > -- 
> > 2.37.1
> > 
> >