Meson NAND supports both 512B and 1024B ECC step size, so replace
'const' for only 1024B step size with enum for both sizes.

Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
---
 Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
index 3bec8af91bbb..d42daa285d17 100644
--- a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
+++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
@@ -49,7 +49,7 @@ patternProperties:
         const: hw
 
       nand-ecc-step-size:
-        const: 1024
+        enum: [512, 1024]
 
       nand-ecc-strength:
         enum: [8, 16, 24, 30, 40, 50, 60]
@@ -93,6 +93,7 @@ examples:
       nand@0 {
         reg = <0>;
         nand-rb = <0>;
+        nand-ecc-step-size = <1024>;
       };
     };
 
-- 
2.35.0

On Wed, 28 Jun 2023 12:29:35 +0300, Arseniy Krasnov wrote:
> Meson NAND supports both 512B and 1024B ECC step size, so replace
> 'const' for only 1024B step size with enum for both sizes.
> 
> Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
> ---
>  Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 

Acked-by: Rob Herring <robh@kernel.org>

Hi Arseniy,

AVKrasnov@sberdevices.ru wrote on Wed, 28 Jun 2023 12:29:35 +0300:

> Meson NAND supports both 512B and 1024B ECC step size, so replace
> 'const' for only 1024B step size with enum for both sizes.
> 
> Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
> ---
>  Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
> index 3bec8af91bbb..d42daa285d17 100644
> --- a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
> +++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
> @@ -49,7 +49,7 @@ patternProperties:
>          const: hw
>  
>        nand-ecc-step-size:
> -        const: 1024
> +        enum: [512, 1024]

I believe you should as well mention the default value.

>        nand-ecc-strength:
>          enum: [8, 16, 24, 30, 40, 50, 60]
> @@ -93,6 +93,7 @@ examples:
>        nand@0 {
>          reg = <0>;
>          nand-rb = <0>;
> +        nand-ecc-step-size = <1024>;

And I don't think this line is really required, but I don't mind.

>        };
>      };
>  


Thanks,
Miquèl