openwrt/target/linux/generic/pending-5.15/496-dt-bindings-add-bindings-for-mtd-concat-devices.patch

From 5734c6669fba7ddb5ef491ccff7159d15dba0b59 Mon Sep 17 00:00:00 2001
From: Bernhard Frauendienst <kernel@nospam.obeliks.de>
Date: Wed, 5 Sep 2018 01:32:51 +0200
Subject: [PATCH 496/497] dt-bindings: add bindings for mtd-concat devices

Document virtual mtd-concat device bindings.

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

--- /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@40000 {
+			label = "firmware";
+			reg = <0x0040000 0x1fc0000>;
+		};
+	}
+}