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

From: Daniel Golle
Date: Tue May 02 2023 - 12:49:10 EST


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

Signed-off-by: Daniel Golle <daniel@xxxxxxxxxxxxxx>
---
.../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@xxxxxxxxxxxxxx>
+
+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@100000 {
+ compatible = "linux,ubi";
+ label = "ubi";
+ reg = <0x100000 0x7f00000>;
+ };
+ };
--
2.40.1