diff --git a/arch/arm/boot/dts/qcom/msm8998.dtsi b/arch/arm/boot/dts/qcom/msm8998.dtsi
index c265eafcdd30..777efe36f507 100644
--- a/arch/arm/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm/boot/dts/qcom/msm8998.dtsi
@@ -2250,6 +2250,7 @@
 		qcom,support-fde;
 		qcom,no-clock-support;
 		qcom,appsbl-qseecom-support;
+		qcom,fde-key-size;
 		qcom,commonlib64-loaded-by-uefi;
 		qcom,msm-bus,name = "qseecom-noc";
 		qcom,msm-bus,num-cases = <4>;