diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 0e564f88d179..455ee21458e5 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -473,7 +473,7 @@ tsens1: thermal-sensor@4ad000 {
 
 		tcsr_mutex_regs: syscon@740000 {
 			compatible = "syscon";
-			reg = <0x00740000 0x20000>;
+			reg = <0x00740000 0x40000>;
 		};
 
 		tcsr: syscon@7a0000 {