diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
index fd01437726ab..32ee8031cfcb 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
@@ -766,4 +766,21 @@ mcu_watchdog1: watchdog@40610000 {
 		/* reserved for MCU_R5F0_1 */
 		status = "reserved";
 	};
+
+	hsm: remoteproc@43c00000 {
+		compatible = "ti,hsm-m4fss";
+		/* contiguous regions but instantiated separately in HW */
+		reg = <0x00 0x43c00000 0x00 0x20000>,
+		      <0x00 0x43c20000 0x00 0x10000>,
+		      <0x00 0x43c30000 0x00 0x10000>;
+		reg-names = "sram0_0", "sram0_1", "sram1";
+		resets = <&k3_reset 304 1>;
+		firmware-name = "j721s2-hsm-m4f-fw";
+		bootph-pre-ram;
+		ti,sci = <&sms>;
+		ti,sci-dev-id = <304>;
+		ti,sci-proc-ids = <0x80 0xff>;
+		/* reserved for early-stage bootloader */
+		status = "reserved";
+	};
 };
diff --git a/arch/arm64/boot/dts/ti/k3-j742s2-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j742s2-mcu-wakeup.dtsi
index 61db2348d6a4..2f40afcfa67c 100644
--- a/arch/arm64/boot/dts/ti/k3-j742s2-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j742s2-mcu-wakeup.dtsi
@@ -15,3 +15,7 @@ &mcu_r5fss0_core0 {
 &mcu_r5fss0_core1 {
 	firmware-name = "j742s2-mcu-r5f0_1-fw";
 };
+
+&hsm {
+	firmware-name = "j742s2-hsm-m4f-fw";
+};
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 cc22bfb5f599..df37902c963f 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
@@ -762,4 +762,21 @@ mcu_watchdog1: watchdog@40610000 {
 		/* reserved for MCU_R5F0_1 */
 		status = "reserved";
 	};
+
+	hsm: remoteproc@43c00000 {
+		compatible = "ti,hsm-m4fss";
+		/* contiguous regions but instantiated separately in HW */
+		reg = <0x00 0x43c00000 0x00 0x20000>,
+		      <0x00 0x43c20000 0x00 0x10000>,
+		      <0x00 0x43c30000 0x00 0x10000>;
+		reg-names = "sram0_0", "sram0_1", "sram1";
+		resets = <&k3_reset 371 1>;
+		firmware-name = "j784s4-hsm-m4f-fw";
+		bootph-pre-ram;
+		ti,sci = <&sms>;
+		ti,sci-dev-id = <371>;
+		ti,sci-proc-ids = <0x80 0xff>;
+		/* reserved for early-stage bootloader */
+		status = "reserved";
+	};
 };