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

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Date:   Wed, 20 Oct 2021 16:28:00 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Tudor Ambarus <Tudor.Ambarus@...rochip.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     <linux-mtd@...ts.infradead.org>, <linux-spi@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Julien Su <juliensu@...c.com.tw>,
        Jaime Liao <jaimeliao@...c.com.tw>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Xiangsheng Hou <Xiangsheng.Hou@...iatek.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>
Subject: [PATCH 09/18] dt-bindings: spi: mxic: Document the nand-ecc-engine property

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@...tlin.com>
---
 .../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