Re: [PATCH] dt-bindings: gpio: fairchild,74hc595: use spi-peripheral-props.yaml

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On Wed, Jul 27, 2022 at 6:43 PM Krzysztof Kozlowski
<krzysztof.kozlowski@xxxxxxxxxx> 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.
>
> 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/
> ---
>  .../devicetree/bindings/gpio/fairchild,74hc595.yaml        | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/gpio/fairchild,74hc595.yaml b/Documentation/devicetree/bindings/gpio/fairchild,74hc595.yaml
> index a99e7842ca17..c0ad70e66f76 100644
> --- a/Documentation/devicetree/bindings/gpio/fairchild,74hc595.yaml
> +++ b/Documentation/devicetree/bindings/gpio/fairchild,74hc595.yaml
> @@ -33,8 +33,6 @@ properties:
>      description: GPIO connected to the OE (Output Enable) pin.
>      maxItems: 1
>
> -  spi-max-frequency: true
> -
>  patternProperties:
>    "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$":
>      type: object
> @@ -59,7 +57,10 @@ required:
>    - '#gpio-cells'
>    - registers-number
>
> -additionalProperties: false
> +allOf:
> +  - $ref: /schemas/spi/spi-peripheral-props.yaml#
> +
> +unevaluatedProperties: false
>
>  examples:
>    - |
> --
> 2.34.1
>

Applied, thanks!

Bart



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