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: <5631fbe4-54a4-447f-ad45-e69d9484919b@amlogic.com>
Date: Thu, 6 Mar 2025 16:51:42 +0800
From: Xianwei Zhao <xianwei.zhao@...ogic.com>
To: Rob Herring <robh@...nel.org>, Conor Dooley <conor@...nel.org>
Cc: 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

Hi Rob,
    Thanks for your advice.

On 2025/3/6 01:07, Rob Herring wrote:
> [ EXTERNAL EMAIL ]
> 
> 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.
> 

Indeed only 2. Will fix it.

>>> +else:
>>> +  properties:
>>> +    amlogic,channel-interrupts:
>>> +      minItems: 8
>>> +      maxItems: 12
> 
> And 12 is already the max, so you only need 'minItems: 8'.
> 

Will do.

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