linux-kernel - Re: [PATCH] dt-bindings: mtd: microchip,mchp48l640: use spi-peripheral-props.yaml

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Date:   Thu, 28 Jul 2022 05:38:27 +0200
From:   Heiko Schocher <hs@...x.de>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: mtd: microchip,mchp48l640: use
 spi-peripheral-props.yaml

Hello Krzysztof,

On 27.07.22 18:41, 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.
> 
> 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.
> 
> 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/
> ---
>  .../devicetree/bindings/mtd/microchip,mchp48l640.yaml      | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)

Reviewed-by: Heiko Schocher <hs@...x.de>

Thanks!

bye,
Heiko
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