linux-kernel - Re: [PATCH] dt-bindings: input: ariel-pwrbutton: use spi-peripheral-props.yaml

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Message-ID: <YvQ3viBmbzuai+LC@google.com>
Date:   Wed, 10 Aug 2022 15:57:02 -0700
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        linux-kernel@...r.kernel.org, Lubomir Rintel <lkundrak@...sk>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-input@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: input: ariel-pwrbutton: use
 spi-peripheral-props.yaml

On Thu, Jul 28, 2022 at 09:19:42AM -0600, Rob Herring wrote:
> On Wed, 27 Jul 2022 18:42:30 +0200, Krzysztof Kozlowski wrote:
> > Instead of listing directly properties typical for SPI peripherals,
> > reference the spi-peripheral-props.yaml schema.  This allows using all
> > properties typical for SPI-connected devices, even these which device
> > bindings author did not tried yet.
> > 
> > Remove the spi-* properties which now come via spi-peripheral-props.yaml
> > schema, except for the cases when device schema adds some constraints
> > like maximum frequency.
> > 
> > While changing additionalProperties->unevaluatedProperties, put it in
> > typical place, just before example DTS.a
> > 
> > The binding references also input.yaml and lists explicitly allowed
> > properties, thus here reference only spi-peripheral-props.yaml for
> > purpose of documenting the SPI slave device and bringing
> > spi-max-frequency type validation.
> > 
> > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> > 
> > ---
> > 
> > Technically, this depends on [1] merged to SPI tree, if we want to
> > preserve existing behavior of not allowing SPI CPHA and CPOL in each of
> > schemas in this patch.

Could we merge this through SPI tree as well?

> > 
> > If this patch comes independently via different tree, the SPI CPHA and
> > CPOL will be allowed for brief period of time, before [1] is merged.
> > This will not have negative impact, just DT schema checks will be
> > loosened for that period.
> > 
> > [1] https://lore.kernel.org/all/20220722191539.90641-2-krzysztof.kozlowski@linaro.org/
> > ---
> >  Documentation/devicetree/bindings/input/ariel-pwrbutton.yaml | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> 
> Acked-by: Rob Herring <robh@...nel.org>

Acked-by: Dmitry Torokhov <dmitry.torokhov@...il.com>

-- 
Dmitry