linux-kernel - [PATCH v4 2/2] dt-bindings: mtd: Document Macronix NAND device bindings

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Message-Id: <1571902807-10388-3-git-send-email-masonccyang@mxic.com.tw>
Date:   Thu, 24 Oct 2019 15:40:07 +0800
From:   Mason Yang <masonccyang@...c.com.tw>
To:     miquel.raynal@...tlin.com, richard@....at, marek.vasut@...il.com,
        dwmw2@...radead.org, bbrezillon@...nel.org,
        computersforpeace@...il.com, vigneshr@...com, robh+dt@...nel.org,
        mark.rutland@....com
Cc:     devicetree@...r.kernel.org, juliensu@...c.com.tw,
        linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org,
        masonccyang@...c.com.tw
Subject: [PATCH v4 2/2] dt-bindings: mtd: Document Macronix NAND device bindings

Document the bindings used by the Macronix NAND device.

Signed-off-by: Mason Yang <masonccyang@...c.com.tw>
---
 .../devicetree/bindings/mtd/nand-macronix.txt        | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mtd/nand-macronix.txt

diff --git a/Documentation/devicetree/bindings/mtd/nand-macronix.txt b/Documentation/devicetree/bindings/mtd/nand-macronix.txt
new file mode 100644
index 0000000..cb60358
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/nand-macronix.txt
@@ -0,0 +1,20 @@
+Macronix NANDs Device Tree Bindings
+-----------------------------------
+
+Macronix NANDs support randomizer operation for user data scrambled,
+which can be enabled with a SET_FEATURE. The penalty of randomizer
+is subpage accesses prohibited. By adding a new specific property
+in children nodes to enable randomizer function.
+
+Required NAND chip properties in children mode:
+- randomizer enable: should be "mxic,enable-randomizer-otp"
+
+Example:
+
+	nand: nand-controller@...t-address {
+
+		nand@0 {
+			reg = <0>;
+			mxic,enable-randomizer-otp;
+		};
+	};
-- 
1.9.1