ECC properties 'nand-ecc-strength' and 'nand-ecc-step-size' depends on
each other, so they must be both either set or not set. 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@sberdevices.ru>
Acked-by: Rob Herring <robh@kernel.org>
---
 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 a98b5d61ea5d..1c79815e1f7f 100644
--- a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
+++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
@@ -66,6 +66,10 @@ patternProperties:
 
     unevaluatedProperties: false
 
+    dependencies:
+      nand-ecc-strength: ['nand-ecc-step-size']
+      nand-ecc-step-size: ['nand-ecc-strength']
+
 
 required:
   - compatible
-- 
2.35.0

On Mon, 2023-07-17 at 05:34:00 UTC, 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. 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@sberdevices.ru>
> Acked-by: Rob Herring <robh@kernel.org>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.

Miquel