diff --git a/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml b/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml
index 8e3760a3822b..b8e4118945a0 100644
--- a/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml
@@ -18,6 +18,7 @@ properties:
       - qcom,apss-wdt-qcs404
       - qcom,apss-wdt-sc7180
       - qcom,apss-wdt-sdm845
+      - qcom,apss-wdt-sdx55
       - qcom,apss-wdt-sm8150
       - qcom,kpss-timer
       - qcom,kpss-wdt