[PATCH v2 2/5] dt-bindings: mtd: spi-nor: Allow external properties

[Rob Herring]

On Fri, Nov 26, 2021 at 05:34:47PM +0100, Miquel Raynal wrote:
> Setting "additionalProperties: false" will refuse any generic SPI
> property while they should be of course authorized. In practice it looks
> like many people used compatibles different than "jedec,spi-nor" in
> order to workaround this limitation because otherwise no SPI property
> could be used in the examples. Use "unevaluatedProperties: false"
> instead to allow defined properties to be used. It is likely that at the
> time of the conversion to yaml of the jedec file, the unevaluated
> keyword was not yet introduced.
> 
> Fixes: 3ff9ee2a8890 ("dt-bindings: mtd: spi-nor: Convert to DT schema format")
> Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
> ---
>  Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
> index ed590d7c6e37..81be0620b264 100644
> --- a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
> +++ b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
> @@ -88,7 +88,7 @@ patternProperties:
>    "^otp(-[0-9]+)?$":
>      type: object
>  
> -additionalProperties: false
> +unevaluatedProperties: false

This has no effect unless you have referenced some other schema here. 
The series I referenced will solve what your trying to solve I think.

Rob