[PATCH v3 15/17] dt-bindings: mtd: Argue in favor of keeping additionalProperties set to true

[Miquel Raynal]

In most cases we try to avoid it but in some cases this is
needed. Clarify why by adding a small comment.

Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/mtd/mtd.yaml                  | 1 +
 Documentation/devicetree/bindings/mtd/nand-chip.yaml            | 1 +
 Documentation/devicetree/bindings/mtd/nand-controller.yaml      | 1 +
 Documentation/devicetree/bindings/mtd/partitions/partition.yaml | 1 +
 4 files changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/mtd.yaml b/Documentation/devicetree/bindings/mtd/mtd.yaml
index 2494ec2d80e3..9ee285b7d162 100644
--- a/Documentation/devicetree/bindings/mtd/mtd.yaml
+++ b/Documentation/devicetree/bindings/mtd/mtd.yaml
@@ -60,6 +60,7 @@ patternProperties:
     required:
       - compatible
 
+# This is a generic file other binding inherit from
 additionalProperties: true
 
 examples:
diff --git a/Documentation/devicetree/bindings/mtd/nand-chip.yaml b/Documentation/devicetree/bindings/mtd/nand-chip.yaml
index 8d5d2d3ef56b..6e2dc025d694 100644
--- a/Documentation/devicetree/bindings/mtd/nand-chip.yaml
+++ b/Documentation/devicetree/bindings/mtd/nand-chip.yaml
@@ -70,4 +70,5 @@ properties:
 required:
   - reg
 
+# This file can be referenced by more specific devices (like spi-nands)
 additionalProperties: true
diff --git a/Documentation/devicetree/bindings/mtd/nand-controller.yaml b/Documentation/devicetree/bindings/mtd/nand-controller.yaml
index 3f2a1480e1eb..220aa2c8c0b5 100644
--- a/Documentation/devicetree/bindings/mtd/nand-controller.yaml
+++ b/Documentation/devicetree/bindings/mtd/nand-controller.yaml
@@ -129,6 +129,7 @@ required:
   - "#address-cells"
   - "#size-cells"
 
+# This is a generic file other binding inherit from and extend
 additionalProperties: true
 
 examples:
diff --git a/Documentation/devicetree/bindings/mtd/partitions/partition.yaml b/Documentation/devicetree/bindings/mtd/partitions/partition.yaml
index f1a02d840b12..8bdec706ba9b 100644
--- a/Documentation/devicetree/bindings/mtd/partitions/partition.yaml
+++ b/Documentation/devicetree/bindings/mtd/partitions/partition.yaml
@@ -60,4 +60,5 @@ then:
     $nodename:
       pattern: '^partition-.*$'
 
+# This is a generic file other binding inherit from and extend
 additionalProperties: true
-- 
2.34.1