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Subject[PATCH v4 2/3] dt-bindings: mtd: partitions: Extend fixed-partitions binding
Date
Extend fixed-partitions binding for support of Sercomm partition parser
(add "sercomm,sc-partitions" compatible).

Signed-off-by: Mikhail Zhilkin <csharper2005@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
.../mtd/partitions/fixed-partitions.yaml | 55 ++++++++++++++++++-
1 file changed, 53 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml b/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml
index ea4cace6a955..ad3ccd250802 100644
--- a/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml
+++ b/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml
@@ -19,7 +19,11 @@ maintainers:

properties:
compatible:
- const: fixed-partitions
+ oneOf:
+ - const: fixed-partitions
+ - items:
+ - const: sercomm,sc-partitions
+ - const: fixed-partitions

"#address-cells": true

@@ -27,7 +31,24 @@ properties:

patternProperties:
"@[0-9a-f]+$":
- $ref: "partition.yaml#"
+ allOf:
+ - $ref: "partition.yaml#"
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: sercomm,sc-partitions
+ then:
+ properties:
+ sercomm,scpart-id:
+ description: Partition id in Sercomm partition map. Mtd
+ parser uses this id to find a record in the partition map
+ containing offset and size of the current partition. The
+ values from partition map overrides partition offset and
+ size defined in reg property of the dts. Frequently these
+ values are the same, but may differ if device has bad
+ eraseblocks on a flash.
+ $ref: /schemas/types.yaml#/definitions/uint32

required:
- "#address-cells"
@@ -52,6 +73,7 @@ examples:
reg = <0x0100000 0x200000>;
};
};
+
- |
partitions {
compatible = "fixed-partitions";
@@ -64,6 +86,7 @@ examples:
reg = <0x00000000 0x1 0x00000000>;
};
};
+
- |
partitions {
compatible = "fixed-partitions";
@@ -82,6 +105,7 @@ examples:
reg = <0x2 0x00000000 0x1 0x00000000>;
};
};
+
- |
partitions {
compatible = "fixed-partitions";
@@ -119,3 +143,30 @@ examples:
};
};
};
+
+ - |
+ partitions {
+ compatible = "sercomm,sc-partitions", "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "u-boot";
+ reg = <0x0 0x100000>;
+ sercomm,scpart-id = <0>;
+ read-only;
+ };
+
+ partition@100000 {
+ label = "dynamic partition map";
+ reg = <0x100000 0x100000>;
+ sercomm,scpart-id = <1>;
+ };
+
+ partition@200000 {
+ label = "Factory";
+ reg = <0x200000 0x100000>;
+ sercomm,scpart-id = <2>;
+ read-only;
+ };
+ };
--
2.25.1
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