dt-bindings: reserved-memory: Add restricted-dma-pool constraints

The "restricted-dma-pool" definition prohibits combination with either of the "no-map" and "reusable" properties, but this is only stated in the description text. Add those constraints to the schema so we can properly validate them. Signed-off-by: Robin Murphy <[email protected]> Acked-by: Florian Fainelli <[email protected]> Signed-off-by: Rob Herring <[email protected]> Link: https://lore.kernel.org/r/a4f3d4e2feef008d1236ebc3f5f0c46360f20c60.1645119806.git.robin.murphy@arm.com
LoveHeat · Feb 24, 2022 · 10d7e31 · 10d7e31
1 parent 418adab
commit 10d7e31
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/Documentation/devicetree/bindings/reserved-memory/shared-dma-pool.yaml b/Documentation/devicetree/bindings/reserved-memory/shared-dma-pool.yaml
@@ -56,6 +56,16 @@ properties:
       If this property is present, then Linux will use the region for
       the default pool of the consistent DMA allocator.
 
+if:
+  properties:
+    compatible:
+      contains:
+        const: restricted-dma-pool
+then:
+  properties:
+    no-map: false
+    reusable: false
+
 unevaluatedProperties: false
 
 examples: