[PATCH v10 05/20] dt-bindings: mtd: Document nand-ecc-placement

[Miquel Raynal <miquel.raynal@xxxxxxxxxxx>]

This optional property defines where the ECC bytes are expected to be
stored. No value defaults to an unknown location, while these
locations can be explicitly set to OOB or interleaved depending if
the ECC bytes are entirely stored in the OOB area or mixed with
regular data in the main area (also sometimes referred as
"syndrome").

Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
---
 .../devicetree/bindings/mtd/nand-controller.yaml       | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/nand-controller.yaml b/Documentation/devicetree/bindings/mtd/nand-controller.yaml
index d261b7096c69..4a0798247d2d 100644
--- a/Documentation/devicetree/bindings/mtd/nand-controller.yaml
+++ b/Documentation/devicetree/bindings/mtd/nand-controller.yaml
@@ -56,6 +56,16 @@ patternProperties:
           (Linux will handle the calculations). soft_bch is deprecated
           and should be replaced by soft and nand-ecc-algo.
 
+      nand-ecc-placement:
+        allOf:
+          - $ref: /schemas/types.yaml#/definitions/string
+          - enum: [ oob, interleaved ]
+        description:
+          Location of the ECC bytes. This location is unknown by default
+          but can be explicitly set to "oob", if all ECC bytes are
+          known to be stored in the OOB area, or "interleaved" if ECC
+          bytes will be interleaved with regular data in the main area.
+
       nand-ecc-algo:
         allOf:
           - $ref: /schemas/types.yaml#/definitions/string
-- 
2.20.1


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