[RFC PATCH v2 1/2] dt-bindings: nand: meson: support for 512B ECC step size

[Arseniy Krasnov <AVKrasnov@xxxxxxxxxxxxxx>]

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@xxxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml | 4 +++-
 1 file changed, 3 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..81ca8828731a 100644
--- a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
+++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
@@ -49,7 +49,8 @@ patternProperties:
         const: hw
 
       nand-ecc-step-size:
-        const: 1024
+        enum: [512, 1024]
+        default: 1024
 
       nand-ecc-strength:
         enum: [8, 16, 24, 30, 40, 50, 60]
@@ -93,6 +94,7 @@ examples:
       nand@0 {
         reg = <0>;
         nand-rb = <0>;
+        nand-ecc-step-size = <1024>;
       };
     };
 
-- 
2.35.0