diff --git a/bindings/devfreq/devfreq-simple-dev.txt b/bindings/devfreq/devfreq-simple-dev.txt
index 4072053f1e2f..d00ebd84a520 100644
--- a/bindings/devfreq/devfreq-simple-dev.txt
+++ b/bindings/devfreq/devfreq-simple-dev.txt
@@ -14,6 +14,7 @@ Required properties:
 Optional properties:
 - polling-ms:	Polling interval for the device in milliseconds. Default: 50
 - governor:	Initial governor to user for the device. Default: "performance"
+- qcom,prepare-clk:	Prepare the device clock during initialization.
 
 Example: