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SubjectRe: [PATCH 1/2] dt-bindings: phy: mediatek: tphy: add a property for force-mode switch
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Il 27/11/23 08:21, Krzysztof Kozlowski ha scritto:
> On 27/11/2023 08:09, Macpaul Lin wrote:
>> On 11/25/23 18:37, Krzysztof Kozlowski and Chunfeng Yun wrote:
>>>
>>>
>>> External email : Please do not click links or open attachments until you
>>> have verified the sender or the content.
>>>
>>> On 25/11/2023 02:23, Chunfeng Yun wrote:
>>>> Due to some old SoCs with shared t-phy only support force-mode switch, and
>>>> can't use compatible to distinguish between shared and non-shared t-phy,
>>>> add a property to supported it.
>>>> But now prefer to use "mediatek,syscon-type" on new SoC as far as possible.

Two questions:
1. Why is it *not* possible to use the compatible string to distinguish between
shared and non-shared T-PHYs?
2. If we really can't use compatibles, what's the reason why we can't use the
"mediatek,syscon-type" property?

Regards,
Angelo

>>>>
>>>> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
>>>> ---
>>>> Documentation/devicetree/bindings/phy/mediatek,tphy.yaml | 6 ++++++
>>>> 1 file changed, 6 insertions(+)
>>>>
>>>> diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
>>>> index 2bb91542e984..eedba5b7025e 100644
>>>> --- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
>>>> +++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
>>>> @@ -235,6 +235,12 @@ patternProperties:
>>>> Specify the flag to enable BC1.2 if support it
>>>> type: boolean
>>>>
>>>> + mediatek,force-mode:
>>>> + description:
>>>> + Use force mode to switch shared phy mode, perfer to use the bellow
>>>

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