[PATCH v4 2/9] dt-bindings: mailbox: Add mboxes property for CMDQ secure driver

[Shawn Sung]

From: "Jason-JH.Lin" <jason-jh.lin at mediatek.com>

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 at mediatek.com>
Signed-off-by: Hsiao Chien Sung <shawn.sung at mediatek.com>
---
 .../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 cef9d76013985..cf39e70747de6 100644
--- a/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
+++ b/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
@@ -49,6 +49,9 @@ properties:
     items:
       - const: gce
 
+  mboxes:
+    maxItems: 1
+
 required:
   - compatible
   - "#mbox-cells"
-- 
2.18.0