Re: [RFC PATCH v3 2/3] dt-bindings: nand: meson: make ECC properties dependent

[Rob Herring]

On Tue, Jul 11, 2023 at 03:21:28PM +0300, Arseniy Krasnov wrote:
> ECC properties 'nand-ecc-strength' and 'nand-ecc-step-size' depends on
> each other, so they must be both either set or not set. 

Is that true for all drivers or just meson?

> In first case
> ECC core will try to use these values if possible (by checking ECC caps
> provided by driver), in second case ECC core will select most optimal
> values for both properties.
> 
> Signed-off-by: Arseniy Krasnov <AVKrasnov@xxxxxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
> index e81757c9e0ed..4f6e56542a7e 100644
> --- a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
> +++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
> @@ -58,6 +58,10 @@ patternProperties:
>              meson-gxl-nfc 8, 16, 24, 30, 40, 50, 60
>              meson-axg-nfc 8
>  
> +    dependencies:
> +      nand-ecc-strength: ['nand-ecc-step-size']
> +      nand-ecc-step-size: ['nand-ecc-strength']
> +
>  required:
>    - compatible
>    - reg
> -- 
> 2.35.0
>