diff --git a/arch/arm/dts/stm32mp15-u-boot.dtsi b/arch/arm/dts/stm32mp15-u-boot.dtsi
index 7ec90fe..d0aa5ea 100644
--- a/arch/arm/dts/stm32mp15-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp15-u-boot.dtsi
@@ -159,6 +159,13 @@
 	u-boot,dm-pre-proper;
 };
 
+/* temp = waiting kernel update */
+&m4_rproc {
+	resets = <&rcc MCU_R>,
+		 <&rcc MCU_HOLD_BOOT_R>;
+	reset-names = "mcu_rst", "hold_boot";
+};
+
 &pinctrl {
 	u-boot,dm-pre-reloc;
 };