[PATCH 02/27] dt-bindings: phy: mediatek,dsi-phy: Add compatible for MT6795 Helio X10

Alexandre Mergnat amergnat at baylibre.com
Wed Apr 12 06:12:48 PDT 2023


On 12/04/2023 15:03, AngeloGioacchino Del Regno wrote:
> Il 12/04/23 14:59, Alexandre Mergnat ha scritto:
>> On 12/04/2023 13:27, AngeloGioacchino Del Regno wrote:
>>> Add a compatible string for MediaTek Helio X10 MT6795: this SoC uses
>>> the same DSI PHY as MT8173.
>>>
>>> Signed-off-by: AngeloGioacchino Del Regno 
>>> <angelogioacchino.delregno at collabora.com>
>>> ---
>>>   Documentation/devicetree/bindings/phy/mediatek,dsi-phy.yaml | 4 ++++
>>>   1 file changed, 4 insertions(+)
>>>
>>> diff --git 
>>> a/Documentation/devicetree/bindings/phy/mediatek,dsi-phy.yaml 
>>> b/Documentation/devicetree/bindings/phy/mediatek,dsi-phy.yaml
>>> index 26f2b887cfc1..a9f78344efdb 100644
>>> --- a/Documentation/devicetree/bindings/phy/mediatek,dsi-phy.yaml
>>> +++ b/Documentation/devicetree/bindings/phy/mediatek,dsi-phy.yaml
>>> @@ -24,6 +24,10 @@ properties:
>>>             - enum:
>>>                 - mediatek,mt7623-mipi-tx
>>>             - const: mediatek,mt2701-mipi-tx
>>> +      - items:
>>> +          - enum:
>>> +              - mediatek,mt6795-mipi-tx
>>> +          - const: mediatek,mt8173-mipi-tx
>>
>> AFAIK, it should be:
>>        - items:
>>            - const: mediatek,mt6795-mipi-tx
>>            - const: mediatek,mt8173-mipi-tx
>>
>> Since it isn't respected above for mt7623, it may be tolerated.
>> Please, take this comment as a suggestion, isn't a NAK from me.
>>
> 
> First of all, Thanks!
> I want to explain, though, the reason for that.
> 
> If you check all the commits, on some I did it as you just proposed, while
> on some others I did it with an enum before const: that's simply because I
> *totally expect* some to grow, while others (const - const) I was either
> unsure, or totally *not* expecting them to grow soon!


That's what I thought. IMHO, if someone add another compat later, he 
will be on charge to change the const by enum front of your 
"mediatek,mt6795-mipi-tx". But my opinion is probably not the most popular.

I will not make the same feedback for the other patches in this series.

-- 
Regards,
Alexandre




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