diff --git a/arch/arm/boot/dts/rv1106.dtsi b/arch/arm/boot/dts/rv1106.dtsi
index d77792880c37..e8556c075f8b 100644
--- a/arch/arm/boot/dts/rv1106.dtsi
+++ b/arch/arm/boot/dts/rv1106.dtsi
@@ -984,9 +984,11 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0 0xff6c0000 0x40000>;
-
 		rkisp_sram: rkisp-sram@0 {
-			reg = <0 0x40000>;
+			reg = <0x0 0x3f000>;
+		};
+		hpmcu_sram: hpmcu-sram@3f000 {
+			reg = <0x3f000 0x1000>;
 		};
 	};