Re: [PATCH] dt-bindings: iio: gyroscope: bosch,bmg160: correct number of pins

From: Krzysztof Kozlowski
Date: Fri Aug 05 2022 - 03:11:31 EST


On 31/07/2022 14:30, Jonathan Cameron wrote:
> On Wed, 27 Jul 2022 16:01:48 +0200
> Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote:
>
>> BMG160 has two interrupt pins to which interrupts can be freely mapped.
>> Correct the schema to express such case and fix warnings like:
>>
>> qcom/msm8916-alcatel-idol347.dtb: gyroscope@68: interrupts: [[97, 1], [98, 1]] is too long
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
>
> We may need more than this. What if only INT2 is wired?

Right, thanks for pointing it out.

> I'd expect such
> a device's binding to include interrupt-names to cover that case.
> We'd also need a bunch of driver code to route the resulting interrupts.

Yes, which is a bit out of scope of fixing schema/DTS. The driver
supports only one interrupt and bindings are unspecific, so I think the
author just did not care about making it correct.

>
> I think the snag is that adding such support will break existing bindings using the
> below.

I can prepare more relaxed version of the patch.

Best regards,
Krzysztof