dt-bindings: mali-bifrost: add dma-coherent

Add optional dma-coherent property to binding doc.

Found by 'make dtbs_check' on arm64/amlogic DT files.

Signed-off-by: Kevin Hilman <khilman@baylibre.com>

diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
index 184492162e7eb9148c6457155362d100dc67765c..894ba217ab329b8d6f2a4098a7ec04843e5392da 100644 (file)
--- a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
@@ -69,6 +69,8 @@ properties:
 
       where voltage is in V, frequency is in MHz.
 
+  dma-coherent: true
+
 required:
   - compatible
   - reg