Re: [PATCH v2 1/8] dt-bindings: watchdog: realtek: Convert RTD119x to schema

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Am 25.10.19 um 23:24 schrieb Andreas Färber:
> Am 25.10.19 um 23:16 schrieb Rob Herring:
>> On Sun, Oct 20, 2019 at 06:08:10AM +0200, Andreas Färber wrote:
>>> +properties:
>>> +  compatible:
>>> +    oneOf:
>>> +      - const: realtek,rtd1295-watchdog
>>
>> You can drop the 'oneOf' here unless you're planning to add another 
>> entry with 2 compatible strings.
> 
> It's a preparation for adding rtd1195-watchdog when needed, to make
> future diffs smaller. There's also RTD1395 and RTD1619 to be tested.
> 
>> With that,
>>
>> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>

Self-NAK.

The example doesn't pass dt_binding_check: It doesn't like the tabs
retained from the original binding. Replacing them with four spaces
makes it pass. Will post a v3.

As for the compatibles, currently in the rtd1195.dtsi patch I'm reusing
"realtek,rtd1295-watchdog", to avoid a dependency on the watchdog tree.

Long-term that's kind of ugly as it uses a later model number.
That leaves us with two alternatives:

a) "realtek,rtd1195-watchdog", "realtek,rtd1295-watchdog" - this
requires oneOf. Allows to distinguish between RTD1195 and RTD1295 while
remaining compatible with the current driver.

b) "realtek,rtd1195-watchdog" - requires the driver change now and
requires the binding to be merged before I can use it in the DT but
doesn't need oneOf here.

Guenter, any preference here?

Thanks,
Andreas

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