Re: [PATCH 1/2] Documentation: bindings: add DT documentation for Rockchip USB2PHY

Frank Wang
2016-06-02T02:53:02Z

Hi Heiko,

On 06/02/2016 06:17 AM, Heiko Stübner wrote:
> Hi Frank,
>
> Am Mittwoch, 1. Juni 2016, 16:09:41 schrieb Frank Wang:
>>> You might want to add the bvalid and id interrupts for the otg phys as
>>> well
>>> already - would make handling legacy devicetree files easier. [= if they
>>> get specified later, the driver would always need to also handle
>>> devicetrees where they aren't specified].
>>
>> Hmmm! you mean that I can specify these properties into documentation,
>> even if the driver have not handled (implemented) them in current?
>
> The devicetree bindings are supposed to be a generic hardware-description.
> And a driver then simply implements that binding. So if the interrupt is part
> of the hardware it can be part of the binding, independent of the driver.
>
> I guess it really comes down to, will you need those interrupts later in the
> driver, then they should definitly be specified now, as later on you cannot
> require them anymore and always need to also support devicetrees not having
> them.
>

Got it, I have already added them in the new patches which I will hand
out later.

BR.
Frank

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