linux-kernel - [PATCH 3/4] dt-bindings: mtd: partitions: add linux,ubi compatible

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Message-ID: <faa0ceb4470f7160b05e892932d20b4a540c5955.1683043928.git.daniel@makrotopia.org>
Date:   Tue, 2 May 2023 17:48:39 +0100
From:   Daniel Golle <daniel@...rotopia.org>
To:     linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Zhihao Cheng <chengzhihao1@...wei.com>,
        Rafał Miłecki <zajec5@...il.com>
Subject: [PATCH 3/4] dt-bindings: mtd: partitions: add linux,ubi compatible

Add bindings for MTD partitions to be attached as UBI devices.

Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
 .../bindings/mtd/partitions/ubi.yaml          | 49 +++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mtd/partitions/ubi.yaml

diff --git a/Documentation/devicetree/bindings/mtd/partitions/ubi.yaml b/Documentation/devicetree/bindings/mtd/partitions/ubi.yaml
new file mode 100644
index 0000000000000..aa02fbbd50716
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/partitions/ubi.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/partitions/ubi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Unsorted Block Images (UBI)
+
+description: |
+ Unsorted Block Images (UBI) is a volume management system typically
+ used on NAND flash providing bad block management as well as
+ wear-leveling.
+ Any partition containing the compatible "linux,ubi" will be attached
+ as UBI device.
+
+maintainers:
+  - Daniel Golle <daniel@...rotopia.org>
+
+allOf:
+  - $ref: /schemas/mtd/partitions/partition.yaml#
+
+properties:
+  compatible:
+    const: linux,ubi
+
+required:
+  - compatible
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    partitions {
+        compatible = "fixed-partitions";
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        partition@0 {
+            label = "bootloader";
+            reg = <0x000000 0x100000>;
+            read-only;
+        };
+
+        ubi@...000 {
+            compatible = "linux,ubi";
+            label = "ubi";
+            reg = <0x100000 0x7f00000>;
+        };
+    };
-- 
2.40.1