diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 11ae2c53234a1d4c3e09953b1c529560bf4af838..0d72ea9d8a5eb76a640d441a9cc12cf95b51e16e 100755
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -196,14 +196,10 @@ dsp_reserved: dsp@92400000 {
 			reg = <0 0x92400000 0 0x2000000>;
 		};
 
-		isp0_reserved: isp0@B0000000 {
+		/* used only by tuning tool, can be removed for normal case */
+		isp0_reserved: isp0@94400000 {
 			no-map;
-			reg = <0 0xB0000000 0 0x10000000>;
-		};
-
-		isp1_reserved: isp1@B0000000 {
-			no-map;
-			reg = <0 0xB0000000 0 0x10000000>;
+			reg = <0 0x94400000 0 0x10000000>;
 		};
 	};
 
@@ -1535,7 +1531,6 @@ isp_1: isp@32e20000 {
 					power-domains = <&ispdwp_pd>;
 					id = <1>;
 					gpr = <&media_blk_ctrl>;
-					memory-region = <&isp1_reserved>;
 					status = "disabled";
 				};