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

From: Rob Herring
Date: Thu Jul 28 2022 - 11:19:51 EST


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@xxxxxxxxxx>
>
> ---
>
> 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.
>
> 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@xxxxxxxxxx/
> ---
> Documentation/devicetree/bindings/input/ariel-pwrbutton.yaml | 1 +
> 1 file changed, 1 insertion(+)
>

Acked-by: Rob Herring <robh@xxxxxxxxxx>