linux-kernel - [PATCH v3 2/3] dt-bindings: add bindings for mtd-concat devices

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Message-Id: <20180908131345.8145-3-kernel@nospam.obeliks.de>
Date:   Sat,  8 Sep 2018 15:13:44 +0200
From:   Bernhard Frauendienst <kernel@...pam.obeliks.de>
To:     David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Boris Brezillon <boris.brezillon@...tlin.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Bernhard Frauendienst <kernel@...pam.obeliks.de>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 2/3] dt-bindings: add bindings for mtd-concat devices

Document virtual mtd-concat device bindings.

Signed-off-by: Bernhard Frauendienst <kernel@...pam.obeliks.de>
---
 .../devicetree/bindings/mtd/mtd-concat.txt    | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mtd/mtd-concat.txt

diff --git a/Documentation/devicetree/bindings/mtd/mtd-concat.txt b/Documentation/devicetree/bindings/mtd/mtd-concat.txt
new file mode 100644
index 000000000000..2daf3157b163
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/mtd-concat.txt
@@ -0,0 +1,36 @@
+Virtual MTD concat device
+
+Requires properties:
+- devices: list of phandles to mtd nodes that should be concatenated
+
+Example:
+
+&spi {
+	flash0: flash@0 {
+		...
+	};
+	flash1: flash@1 {
+		...
+	};
+};
+
+flash {
+	compatible = "mtd-concat";
+
+	devices = <&flash0 &flash1>;
+
+	partitions {
+		compatible = "fixed-partitions";
+
+		partition@0 {
+			label = "boot";
+			reg = <0x0000000 0x0040000>;
+			read-only;
+		};
+
+		partition@...00 {
+			label = "firmware";
+			reg = <0x0040000 0x1fc0000>;
+		};
+	}
+}
-- 
2.18.0