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

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Message-ID: <20230705065434.297040-2-AVKrasnov@sberdevices.ru>
Date:   Wed, 5 Jul 2023 09:54:33 +0300
From:   Arseniy Krasnov <AVKrasnov@...rdevices.ru>
To:     Liang Yang <liang.yang@...ogic.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
CC:     <oxffffaa@...il.com>, <kernel@...rdevices.ru>,
        Arseniy Krasnov <AVKrasnov@...rdevices.ru>,
        <linux-mtd@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-amlogic@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: [RFC PATCH v2 1/2] dt-bindings: nand: meson: support for 512B ECC step size

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@...rdevices.ru>
---
 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