diff --git a/arch/arm/boot/dts/rv1126.dtsi b/arch/arm/boot/dts/rv1126.dtsi
index 71a456e86b02..cbee3e275210 100644
--- a/arch/arm/boot/dts/rv1126.dtsi
+++ b/arch/arm/boot/dts/rv1126.dtsi
@@ -2161,6 +2161,8 @@
 			100000	396000
 		>;
 
+		rockchip,evb-irdrop = <25000>;
+
 		/* The source clock is CLK_VENC_CORE */
 		opp-297000000 {
 			opp-hz = /bits/ 64 <297000000>;