diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-mcu-wakeup-common.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-mcu-wakeup-common.dtsi
index 46bc2a3e4aea..9638130caece 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-mcu-wakeup-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-mcu-wakeup-common.dtsi
@@ -57,6 +57,8 @@ secure_proxy_sa3: mailbox@43600000 {
 		reg = <0x00 0x43600000 0x00 0x10000>,
 		      <0x00 0x44880000 0x00 0x20000>,
 		      <0x00 0x44860000 0x00 0x20000>;
+		bootph-pre-ram;
+
 		/*
 		 * Marked Disabled:
 		 * Node is incomplete as it is meant for bootloaders and
@@ -512,6 +514,8 @@ secure_proxy_mcu: mailbox@2a480000 {
 		reg = <0x00 0x2a480000 0x00 0x80000>,
 		      <0x00 0x2a380000 0x00 0x80000>,
 		      <0x00 0x2a400000 0x00 0x80000>;
+		bootph-pre-ram;
+
 		/*
 		 * Marked Disabled:
 		 * Node is incomplete as it is meant for bootloaders and
@@ -629,6 +633,7 @@ wkup_vtm0: temperature-sensor@42040000 {
 		      <0x00 0x42050000 0x00 0x350>;
 		power-domains = <&k3_pds 243 TI_SCI_PD_SHARED>;
 		#thermal-sensor-cells = <1>;
+		bootph-pre-ram;
 	};
 
 	tscadc0: tscadc@40200000 {