[PATCH v4 2/8] dt-bindings: mtd: nvmem-cells: add support for UBI volumes

[Daniel Golle]

UBI volumes may be used to contain NVMEM bits, typically device MAC
addresses or wireless radio calibration data.

Signed-off-by: Daniel Golle <daniel@xxxxxxxxxxxxxx>
---
 .../devicetree/bindings/mtd/partitions/linux,ubi.yaml        | 3 ++-
 .../devicetree/bindings/mtd/partitions/nvmem-cells.yaml      | 5 ++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml b/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml
index a06c1666d5184..e834441fe5e6a 100644
--- a/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml
+++ b/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml
@@ -56,9 +56,10 @@ examples:
             compatible = "linux,ubi";
 
             volumes {
-                ubi-volume-caldata {
+                wifi_caldata: ubi-volume-caldata {
                     volume-id = <2>;
                     volume-name = "rf";
+                    compatible = "nvmem-cells";
                 };
             };
         };
diff --git a/Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml b/Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
index 5474d63268dc5..b92a0b35df094 100644
--- a/Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
+++ b/Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
@@ -17,9 +17,12 @@ maintainers:
   - Ansuel Smith <ansuelsmth@xxxxxxxxx>
 
 allOf:
-  - $ref: /schemas/mtd/partitions/partition.yaml#
   - $ref: /schemas/nvmem/nvmem.yaml#
 
+oneOf:
+  - $ref: /schemas/mtd/partitions/partition.yaml#
+  - $ref: /schemas/mtd/partitions/ubi-volume.yaml#
+
 properties:
   compatible:
     const: nvmem-cells
-- 
2.41.0