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Date:   Fri, 14 Apr 2023 10:23:51 +0200
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Subject: Re: [PATCH 03/27] dt-bindings: display: mediatek: dpi: Add compatible
 for MediaTek MT6795
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To:     Matthias Brugger <matthias.bgg@gmail.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>
Cc:     p.zabel@pengutronix.de, airlied@gmail.com, daniel@ffwll.ch,
        robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
        jassisinghbrar@gmail.com, chunfeng.yun@mediatek.com,
        vkoul@kernel.org, kishon@kernel.org, thierry.reding@gmail.com,
        u.kleine-koenig@pengutronix.de, chunkuang.hu@kernel.org,
        ck.hu@mediatek.com, jitao.shi@mediatek.com,
        xinlei.lee@mediatek.com, houlong.wei@mediatek.com,
        dri-devel@lists.freedesktop.org,
        linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-phy@lists.infradead.org, linux-pwm@vger.kernel.org,
        kernel@collabora.com, phone-devel@vger.kernel.org,
        ~postmarketos/upstreaming@lists.sr.ht
References: <20230412112739.160376-1-angelogioacchino.delregno@collabora.com>
 <20230412112739.160376-4-angelogioacchino.delregno@collabora.com>
 <0416a00e-b567-1ae4-c49c-ec21e024ab0f@gmail.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <0416a00e-b567-1ae4-c49c-ec21e024ab0f@gmail.com>
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Precedence: bulk

On 12/04/2023 14:35, Matthias Brugger wrote:
> 
> 
> On 12/04/2023 13:27, AngeloGioacchino Del Regno wrote:
>> Add a compatible string for the MediaTek Helio X10 MT6795 SoC, using
>> the same parameters as MT8183.
>>
>> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
>> ---
>>   .../display/mediatek/mediatek,dpi.yaml        | 23 +++++++++++--------
>>   1 file changed, 14 insertions(+), 9 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
>> index d976380801e3..803c00f26206 100644
>> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
>> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
>> @@ -17,15 +17,20 @@ description: |
>>   
>>   properties:
>>     compatible:
>> -    enum:
>> -      - mediatek,mt2701-dpi
>> -      - mediatek,mt7623-dpi
>> -      - mediatek,mt8173-dpi
>> -      - mediatek,mt8183-dpi
>> -      - mediatek,mt8186-dpi
>> -      - mediatek,mt8188-dp-intf
>> -      - mediatek,mt8192-dpi
>> -      - mediatek,mt8195-dp-intf
>> +    oneOf:
>> +      - enum:
>> +          - mediatek,mt2701-dpi
>> +          - mediatek,mt7623-dpi
>> +          - mediatek,mt8173-dpi
>> +          - mediatek,mt8183-dpi
>> +          - mediatek,mt8186-dpi
>> +          - mediatek,mt8188-dp-intf
>> +          - mediatek,mt8192-dpi
>> +          - mediatek,mt8195-dp-intf
>> +      - items:
>> +          - enum:
>> +              - mediatek,mt6795-dpi
>> +          - const: mediatek,mt8183-dpi
> 
> Shouldn't we declare both const: ?

I assume it is likely the enum will grow. If this is reasonably
anticipated, keep enum.

Best regards,
Krzysztof