linux-kernel - Re: [PATCH v2 1/2] dt-bindings: arm: amlogic: add Khadas VIM1S binding

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Message-ID: <b017db65-54c2-473c-8263-4fecfbf9a330@linaro.org>
Date: Wed, 14 Jan 2026 13:07:25 +0100
From: neil.armstrong@...aro.org
To: Nick Xie <xieqinick@...il.com>, Krzysztof Kozlowski <krzk@...nel.org>
Cc: khilman@...libre.com, jbrunet@...libre.com,
 martin.blumenstingl@...glemail.com, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-amlogic@...ts.infradead.org, xianwei.zhao@...ogic.com,
 christianshewitt@...il.com, krzk+dt@...nel.org, robh@...nel.org,
 conor+dt@...nel.org, nick@...das.com
Subject: Re: [PATCH v2 1/2] dt-bindings: arm: amlogic: add Khadas VIM1S
 binding

On 1/14/26 12:25, Nick Xie wrote:
> Krzysztof Kozlowski <krzk@...nel.org> 于2026年1月14日周三 18:33写道：
>>
>> On 14/01/2026 11:07, Nick Xie wrote:
>>> Krzysztof Kozlowski <krzk@...nel.org> 于2026年1月14日周三 16:51写道：
>>>>
>>>> On Wed, Jan 14, 2026 at 02:25:48PM +0800, Nick Xie wrote:
>>>>> Add devicetree binding for Khadas VIM1S board based on
>>>>> Amlogic S4 S905Y4 SoC.
>>>>>
>>>>> Signed-off-by: Nick Xie <nick@...das.com>
>>>>
>>>> You still have the same From/SoB mismatch.
>>>
>>> OK,  I will fix it in next version.
>>>
>>>>
>>>>> ---
>>>>>   Documentation/devicetree/bindings/arm/amlogic.yaml | 6 ++++++
>>>>>   1 file changed, 6 insertions(+)
>>>>>
>>>>> diff --git a/Documentation/devicetree/bindings/arm/amlogic.yaml b/Documentation/devicetree/bindings/arm/amlogic.yaml
>>>>> index 08d9963fe9259..55663e0f7f915 100644
>>>>> --- a/Documentation/devicetree/bindings/arm/amlogic.yaml
>>>>> +++ b/Documentation/devicetree/bindings/arm/amlogic.yaml
>>>>> @@ -247,6 +247,12 @@ properties:
>>>>>                 - amlogic,aq222
>>>>>             - const: amlogic,s4
>>
>> Look here
>>
>>>>>
>>>>> +      - description: Boards with the Amlogic Meson S4 S905Y4 SoC
>>>>> +        items:
>>>>> +          - enum:
>>>>
>>>> Yopu already have exactly such enum with such description, so your
>>>> compatible goes there. Look - it is called "Boards" - plural.
>>>
>>> The exist board aq222 is based on SoC S905X2, but the new board vim1s
>>> is baed on S905Y4,
>>> they are different SoC, so we need to put S905Y4 under S805X2 ?
>>
>> What is the point of having two separate lists with enums ending the
>> same SoC compatible?
> 
> Actually S805X2 and S905Y4 are different SoC. So maybe like this ?
> 
> S805X2:
> - description: Boards with the Amlogic Meson S4 S805X2 SoC
>    items:
>      - enum:
>          - amlogic,aq222
>      - const: amlogic,s805x2
>      - const: amlogic,s4
> 
> S905Y4:
> - description: Boards with the Amlogic Meson S4 S905Y4 SoC
>    items:
>      - enum:
>          - khadas,vim1s
>      - const: amlogic,s905y4
>      - const: amlogic,s4

It's ok for me, but you'll need to update the aq222 DT aswell.

> 
> Same as Amlogic A311D & S922X
> 
> S922X:
> - const: amlogic,s922x
> - const: amlogic,g12b
> 
> A311D:
> - const: amlogic,a311d
> - const: amlogic,g12b
> 
>>
>>>
>>>>
>>>>> +              - khadas,vim1s
>>>>> +          - const: amlogic,s4
>>
>> And here.
>>
>>>>
>>>> Best regards,
>>>> Krzysztof
>>>>
>>
>>
>> Best regards,
>> Krzysztof