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SubjectRe: [PATCH 1/7] dt-bindings: mfd: ds90ux9xx: add description of TI DS90Ux9xx ICs
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On 10/09/2018 10:55 PM, Vladimir Zapolskiy wrote:
> On 10/09/2018 02:11 PM, Vladimir Zapolskiy wrote:
>> Hi Marek,
>>
>> On 10/09/2018 03:13 AM, Marek Vasut wrote:
>>> On 10/08/2018 11:11 PM, Vladimir Zapolskiy wrote:
>>>> From: Sandeep Jain <Sandeep_Jain@mentor.com>
>>>>
>>>> The change adds device tree binding description of TI DS90Ux9xx
>>>> series of serializer and deserializer controllers which support video,
>>>> audio and control data transmission over FPD-III Link connection.
>>>>
>
> [snip]
>
>>>> +Optional properties:
>>>> +- reg : Specifies the I2C slave address of a local de-/serializer.
>>>> +- power-gpios : GPIO line to control supplied power to the device.
>>>
>>> Shouldn't this be regulator phandle ?
>>
>> It could be, right. I'll ponder upon it.
>>
>
> No, it can not.
>
> The property describes PDB "Power-down Mode Input Pin", it is a control
> pin with the predefined voltage, so regulator phandle is not applicable
> here.

Then the DT binding document needs updating, because this is completely
unclear and confusing.

--
Best regards,
Marek Vasut

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