Re: [PATCH v2 1/2] dt-bindings: mtd: partitions: Add binding for Sercomm parser

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Hi, Krzysztof,

On 4/10/2022 11:18 AM, Krzysztof Kozlowski wrote:
> I am sorry, but you changed now a lot in the bindings and it looks
> entirely different. Things previously being correct now are wrong, so
> rather start from your old bindings...


Looks like I'm a bit confused... I use dual "compatible" in my real dts
and I realized that:

1. Therefore I have to use  dual "compatible" in example too:

compatible = "sercomm,sc-partitions", "fixed-partitions";

2. When I'm trying to reuse "fixed-partitions" compatible from
fixed-partitions.yaml in my new .yaml I get "too long" errors.

Real dts:

Link:
https://github.com/openwrt/openwrt/blob/edcc1a9a734bb3fcdc9242025290d3f173e71b78/target/linux/ramips/dts/mt7621_beeline_smartbox-giga.dts#L79

So, I currently found another solution - to extend fixed-partitions.yaml
with "sercomm,sc-partitions". Is It ok from your side? Can I use this
code in v3?

diff --git
a/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml
b/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml
index ea4cace6a955..9eebe39a57fb 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 +31,18 @@ properties:
 
 patternProperties:
   "@[0-9a-f]+$":
-    $ref: "partition.yaml#"
+    allOf:
+      - $ref: "partition.yaml#"
+      - if:
+          properties:
+            compatible:
+              contains:
+                const: sercomm,sc-partitions
+        then:
+          properties:
+            scpart-id:
+              description: Partition id in Sercomm partition map
+              $ref: /schemas/types.yaml#/definitions/uint32
 
 required:
   - "#address-cells"
@@ -119,3 +134,29 @@ examples:
             };
         };
     };
+  - |
+    partitions {
+        compatible = "sercomm,sc-partitions", "fixed-partitions";
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        partition@0 {
+            label = "u-boot";
+            reg = <0x0 0x100000>;
+            scpart-id=<0>;
+            read-only;
+        };
+
+        partition@100000 {
+            label = "dynamic partition map";
+            reg = <0x100000 0x100000>;
+            scpart-id = <1>;
+        };
+
+        partition@200000 {
+            label = "Factory";
+            reg = <0x200000 0x100000>;
+            scpart-id = <2>;
+            read-only;
+        };
+    };
-- 
2.25.1


>> +
>> +additionalProperties: true
> This is wrong, why it became true?

You're right. Got it


> Best regards,
> Krzysztof

-- 
Best regards,
Mikhail




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