diff --git a/Documentation/devicetree/bindings/rtc/rtc.yaml b/Documentation/devicetree/bindings/rtc/rtc.yaml
index 8acd2de3de3adb7b8325a6bb6e68147d8bfbb082..d30dc045aac6489ba18e4b2c246b77d3d636088b 100644
--- a/Documentation/devicetree/bindings/rtc/rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/rtc.yaml
@@ -63,6 +63,11 @@ properties:
     description:
       Enables wake up of host system on alarm.
 
+  reset-source:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      The RTC is able to reset the machine.
+
 additionalProperties: true
 
 ...