diff --git a/arch/arm/boot/dts/qcom/sdm660.dtsi b/arch/arm/boot/dts/qcom/sdm660.dtsi
index c14449289594..417df33047f6 100644
--- a/arch/arm/boot/dts/qcom/sdm660.dtsi
+++ b/arch/arm/boot/dts/qcom/sdm660.dtsi
@@ -345,7 +345,7 @@
 			alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>;
 			reusable;
 			alignment = <0x0 0x400000>;
-			size = <0x0 0xa00000>;
+			size = <0x0 0x800000>;
 		};
 
 		qseecom_mem: qseecom_region {