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Subject[PATCH v7 2/7] dt-bindings: mtd: ubi-volume: allow UBI volumes to provide NVMEM
UBI volumes may be used to contain NVMEM bits, typically device MAC
addresses or wireless radio calibration data.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Rob Herring <robh@kernel.org>
---
.../devicetree/bindings/mtd/partitions/linux,ubi.yaml | 10 ++++++++++
.../devicetree/bindings/mtd/partitions/ubi-volume.yaml | 5 +++++
2 files changed, 15 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml b/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml
index 7084a1945b310..27e1ac1f252e4 100644
--- a/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml
+++ b/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml
@@ -59,6 +59,16 @@ examples:
ubi-volume-caldata {
volid = <2>;
volname = "rf";
+
+ nvmem-layout {
+ compatible = "fixed-layout";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ eeprom@0 {
+ reg = <0x0 0x1000>;
+ };
+ };
};
};
};
diff --git a/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml b/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml
index 1e3f04dedc01d..19736b26056b2 100644
--- a/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml
+++ b/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml
@@ -24,6 +24,11 @@ properties:
description:
Match UBI volume ID

+ nvmem-layout:
+ $ref: /schemas/nvmem/layouts/nvmem-layout.yaml#
+ description:
+ This container may reference an NVMEM layout parser.
+
anyOf:
- required:
- volid
--
2.43.0
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