[PATCHv2 1/2] dt-bindings: adi,adv7511.txt: document cec clock

Sergei Shtylyov sergei.shtylyov at cogentembedded.com
Tue Sep 19 12:27:09 UTC 2017


On 09/19/2017 01:59 PM, Hans Verkuil wrote:

>>>>>>>>> From: Hans Verkuil <hans.verkuil at cisco.com>
>>>>>>>>>
>>>>>>>>> Document the cec clock binding.
>>>>>>>>>
>>>>>>>>> Signed-off-by: Hans Verkuil <hans.verkuil at cisco.com>
>>>>>>>>> Acked-by: Rob Herring <robh at kernel.org>
>>>>>>>>> ---
>>>>>>>>>       Documentation/devicetree/bindings/display/bridge/adi,adv7511.txt | 4 ++++
>>>>>>>>>       1 file changed, 4 insertions(+)
>>>>>>>>>
>>>>>>>>> diff --git a/Documentation/devicetree/bindings/display/bridge/adi,adv7511.txt b/Documentation/devicetree/bindings/display/bridge/adi,adv7511.txt
>>>>>>>>> index 06668bca7ffc..4497ae054d49 100644
>>>>>>>>> --- a/Documentation/devicetree/bindings/display/bridge/adi,adv7511.txt
>>>>>>>>> +++ b/Documentation/devicetree/bindings/display/bridge/adi,adv7511.txt
>>>>>>>>> @@ -68,6 +68,8 @@ Optional properties:
>>>>>>>>>       - adi,disable-timing-generator: Only for ADV7533. Disables the internal timing
>>>>>>>>>         generator. The chip will rely on the sync signals in the DSI data lanes,
>>>>>>>>>         rather than generate its own timings for HDMI output.
>>>>>>>>> +- clocks: from common clock binding: handle to CEC clock.
>>>>>>>>
>>>>>>>>         It's called "phandle" in the DT speak. :-)
>>>>>>>>         Are you sure the clock specifier would always be absent?
>>>>>>>
>>>>>>> Sorry? I don't understand the question. Did you mean: "can be absent?"?
>>>>>>
>>>>>>        No, you only say that there'll be the clock phandle only. The clock
>>>>>> specifier may follow the phandle for the clock devices that have
>>>>>> "#clock-cells" prop != 0.
>>>>>
>>>>> I have to say that I just copy-and-pasted this from other bindings.
>>>>
>>>>       :-)
>>>>
>>>>> Would this be better?
>>>>>
>>>>> - clocks: list of clock specifiers, corresponding to entries in
>>>>>      the clock-names property;
>>>>
>>>>       Didn't you say that there'll be only one clock, "cec"? If so, there's
>>>> gonna  be a single clock phandle+specifier pair. They always go in pairs. :-)
>>>>
>>>>> - clock-names: from common clock binding: must be "cec".
>>>
>>> - clocks: cec clock phandle, corresponding to the clock-names entry.
>>
>>      The clock phandle and specifier.
>>
>>> - clock-names: from common clock binding: must be "cec".
>>>
>>> This OK?
>>
>>      Well, you seem to be going in circles, the above was almost the same as
>> the original prop description...
> 
> - clocks: from common clock binding: reference to the CEC clock.
> - clock-names: from common clock binding: must be "cec".
> 
> This avoids the whole issue of having just a phandle or a phandle + specifier.

    OK, let's go with this one. Thank you!

> Regards,
> 
> 	Hans

MBR, Sergei


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