Add an interrupt specification to the bindings to support the wait-queue
feature.

Signed-off-by: Guru Das Srinagesh <quic_gurus@quicinc.com>
---
 Documentation/devicetree/bindings/firmware/qcom,scm.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/firmware/qcom,scm.yaml b/Documentation/devicetree/bindings/firmware/qcom,scm.yaml
index e279fd2..4d6c89f 100644
--- a/Documentation/devicetree/bindings/firmware/qcom,scm.yaml
+++ b/Documentation/devicetree/bindings/firmware/qcom,scm.yaml
@@ -75,6 +75,11 @@ properties:
       Specify this flag to remove SCM call serialization. Need to ensure that
       the firmware being used supports this feature first.
 
+  interrupts:
+    description:
+      The wait-queue interrupt that firmware raises as part of handshake
+      protocol to handle sleeping SCM calls.
+
   qcom,dload-mode:
     $ref: /schemas/types.yaml#/definitions/phandle-array
     items:
-- 
2.7.4