linux-kernel - Re: [PATCH v2 2/2] dt-bindings: arm64: mediatek: Add kukui-jacuzzi-cerise board

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Message-ID: <909d4058-e3e9-4b59-b476-8f78e668c73b@collabora.com>
Date: Wed, 31 Jul 2024 10:47:54 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Krzysztof Kozlowski <krzk@...nel.org>,
 Hsin-Te Yuan <yuanhsinte@...omium.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v2 2/2] dt-bindings: arm64: mediatek: Add
 kukui-jacuzzi-cerise board

Il 31/07/24 10:16, Krzysztof Kozlowski ha scritto:
> On 31/07/2024 08:26, Hsin-Te Yuan wrote:
>> Cerise is known as ASUS Chromebook CZ1.
>> Stern is known as ASUS Chromebook Flip CZ1.
>>
>> They are almost identical. The only difference is that Cerise is a
>> clamshell device without touchscreen and Stern is a convertible device.
>>
>> Signed-off-by: Hsin-Te Yuan <yuanhsinte@...omium.org>
>> ---
>>   Documentation/devicetree/bindings/arm/mediatek.yaml | 14 ++++++++++++++
>>   1 file changed, 14 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/arm/mediatek.yaml b/Documentation/devicetree/bindings/arm/mediatek.yaml
>> index 1d4bb50fcd8d..087773a43673 100644
>> --- a/Documentation/devicetree/bindings/arm/mediatek.yaml
>> +++ b/Documentation/devicetree/bindings/arm/mediatek.yaml
>> @@ -146,6 +146,20 @@ properties:
>>           items:
>>             - const: google,burnet
>>             - const: mediatek,mt8183
>> +      - description: Google Cerise (ASUS Chromebook CZ1)
>> +        items:
>> +          - enum:
>> +              - google,cerise-sku0
>> +              - google,cerise-rev3-sku0
>> +          - const: google,cerise
>> +          - const: mediatek,mt8183
>> +      - description: Google Stern (ASUS Chromebook Flip CZ1)
>> +        items:
>> +          - enum:
>> +              - google,cerise-sku1
>> +              - google,cerise-rev3-sku1
>> +          - const: google,cerise
> 
> Why not google,stern? If this is not compatible with cerise and has
> different name, I think logical would be to have different compatible -
> either here or the first one.
> 

They're both compatible, but the commercial names are different because one
is convertible, one is not... and the bootloader still checks for cerise
even on stern - that's how I read it, and it's not the first time...

...but it doesn't hurt to have a "google,stern" compatible added to the mix,
it's just one more const to add... and I don't have any strong opinion about
that, so, Hsin-Te, it's your call. :-)

Cheers,
Angelo