[PATCH 09/18] dt-bindings: spi: mxic: Document the nand-ecc-engine property

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This SPI controller supports interacting with an external ECC
engine. The nand-ecc-engine property already exist in the NAND world but
also applies to SPI controller nodes which have external correction
capabilities like Macronix's.

Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
---
 .../devicetree/bindings/spi/mxicy,mx25f0a-spi.yaml          | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/mxicy,mx25f0a-spi.yaml b/Documentation/devicetree/bindings/spi/mxicy,mx25f0a-spi.yaml
index 4036c14fc533..01618a77627d 100644
--- a/Documentation/devicetree/bindings/spi/mxicy,mx25f0a-spi.yaml
+++ b/Documentation/devicetree/bindings/spi/mxicy,mx25f0a-spi.yaml
@@ -43,6 +43,12 @@ properties:
   "#size-cells":
     const: 0
 
+  nand-ecc-engine:
+    allOf:
+      - $ref: /schemas/types.yaml#/definitions/phandle
+    description: NAND ECC engine used by the SPI controller in order to perform
+      on-the-fly correction when using a SPI-NAND memory.
+
 required:
   - compatible
   - reg
-- 
2.27.0




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