[PATCH v3 2/9] dt-bindings: mailbox: Add mboxes property for CMDQ secure driver

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Add mboxes to define a GCE loopping thread as a secure irq handler.
This property is only required if CMDQ secure driver is supported.

Signed-off-by: Jason-JH.Lin <jason-jh.lin@xxxxxxxxxxxx>
---
 .../devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml      | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml b/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
index e4da0a58c943..0c17e1be99c2 100644
--- a/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
+++ b/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
@@ -56,6 +56,9 @@ properties:
       include/dt-bindings/gce/<chip>-gce.h of each chips.
     $ref: /schemas/types.yaml#/definitions/uint32-array
 
+  mboxes:
+    maxItems: 1
+
 required:
   - compatible
   - "#mbox-cells"
-- 
2.18.0





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