linux-kernel - Re: [PATCH 05/27] dt-bindings: display: mediatek: dsi: Add compatible for MediaTek MT6795

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Message-ID: <8bc72da0-d872-53fb-6753-f826efa3a51b@collabora.com>
Date:   Wed, 12 Apr 2023 15:21:16 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Matthias Brugger <matthias.bgg@...il.com>
Cc:     p.zabel@...gutronix.de, airlied@...il.com, daniel@...ll.ch,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        jassisinghbrar@...il.com, chunfeng.yun@...iatek.com,
        vkoul@...nel.org, kishon@...nel.org, thierry.reding@...il.com,
        u.kleine-koenig@...gutronix.de, chunkuang.hu@...nel.org,
        ck.hu@...iatek.com, jitao.shi@...iatek.com,
        xinlei.lee@...iatek.com, houlong.wei@...iatek.com,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-phy@...ts.infradead.org, linux-pwm@...r.kernel.org,
        kernel@...labora.com, phone-devel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH 05/27] dt-bindings: display: mediatek: dsi: Add compatible
 for MediaTek MT6795

Il 12/04/23 14:36, Matthias Brugger ha scritto:
> 
> 
> On 12/04/2023 13:27, AngeloGioacchino Del Regno wrote:
>> Add a compatible string for MediaTek Helio X10 MT6795, using the same
>> DSI block as MT8173.
>>
>> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
>> ---
>>   .../display/mediatek/mediatek,dsi.yaml        | 19 ++++++++++++-------
>>   1 file changed, 12 insertions(+), 7 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml 
>> b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml
>> index 4707b60238b0..12441b937684 100644
>> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml
>> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml
>> @@ -22,13 +22,18 @@ allOf:
>>   properties:
>>     compatible:
>> -    enum:
>> -      - mediatek,mt2701-dsi
>> -      - mediatek,mt7623-dsi
>> -      - mediatek,mt8167-dsi
>> -      - mediatek,mt8173-dsi
>> -      - mediatek,mt8183-dsi
>> -      - mediatek,mt8186-dsi
>> +    oneOf:
>> +      - enum:
>> +          - mediatek,mt2701-dsi
>> +          - mediatek,mt7623-dsi
>> +          - mediatek,mt8167-dsi
>> +          - mediatek,mt8173-dsi
>> +          - mediatek,mt8183-dsi
>> +          - mediatek,mt8186-dsi
>> +      - items:
>> +          - enum:
>> +              - mediatek,mt6795-dsi
>> +          - const: mediatek,mt8173-dsi
> 
> Same here, why not const?
> 

For both DPI and DSI: many other SoCs can work with the same handling
as MT8173, that's all the ones from the same era, one example is MT6765,
MT6755... as well as MT6752 and 67533 afaik.

...that's why :-)

Cheers,
Angelo

>>     reg:
>>       maxItems: 1