diff --git a/plat/ti/k3/board/generic/include/board_def.h b/plat/ti/k3/board/generic/include/board_def.h
index 4ff687c..e118cc3 100644
--- a/plat/ti/k3/board/generic/include/board_def.h
+++ b/plat/ti/k3/board/generic/include/board_def.h
@@ -39,5 +39,6 @@
 #define PLAT_PROC_START_ID		U(32)
 #define PLAT_PROC_DEVICE_START_ID	U(202)
 #define PLAT_CLUSTER_DEVICE_START_ID	U(198)
+#define PLAT_BOARD_DEVICE_ID		U(157)
 
 #endif /* BOARD_DEF_H */
diff --git a/plat/ti/k3/board/j784s4/include/board_def.h b/plat/ti/k3/board/j784s4/include/board_def.h
index c2debc7..5683fc0 100644
--- a/plat/ti/k3/board/j784s4/include/board_def.h
+++ b/plat/ti/k3/board/j784s4/include/board_def.h
@@ -39,5 +39,6 @@
 
 #define PLAT_PROC_DEVICE_START_ID	U(202)
 #define PLAT_CLUSTER_DEVICE_START_ID	U(198)
+#define PLAT_BOARD_DEVICE_ID		U(157)
 
 #endif /* BOARD_DEF_H */
diff --git a/plat/ti/k3/board/lite/include/board_def.h b/plat/ti/k3/board/lite/include/board_def.h
index fd4e5b1..b300c08 100644
--- a/plat/ti/k3/board/lite/include/board_def.h
+++ b/plat/ti/k3/board/lite/include/board_def.h
@@ -41,5 +41,6 @@
 #define PLAT_PROC_START_ID		U(32)
 #define PLAT_PROC_DEVICE_START_ID	U(135)
 #define PLAT_CLUSTER_DEVICE_START_ID	U(134)
+#define PLAT_BOARD_DEVICE_ID		U(157)
 
 #endif /* BOARD_DEF_H */
diff --git a/plat/ti/k3/common/k3_bl31_setup.c b/plat/ti/k3/common/k3_bl31_setup.c
index 457c95d..6436e7a 100644
--- a/plat/ti/k3/common/k3_bl31_setup.c
+++ b/plat/ti/k3/common/k3_bl31_setup.c
@@ -120,6 +120,10 @@
 	k3_gic_init();
 
 	ti_sci_init();
+
+	if (ti_sci_device_get(PLAT_BOARD_DEVICE_ID)) {
+		WARN("Unable to take system power reference\n");
+	}
 }
 
 void platform_mem_init(void)
diff --git a/plat/ti/k3/common/k3_psci.c b/plat/ti/k3/common/k3_psci.c
index 6febbc6..4eb3ab5 100644
--- a/plat/ti/k3/common/k3_psci.c
+++ b/plat/ti/k3/common/k3_psci.c
@@ -205,7 +205,14 @@
 
 static void __dead2 k3_system_off(void)
 {
-	ERROR("System Off: operation not handled.\n");
+	int ret;
+
+	/* Queue up the system shutdown request */
+	ret = ti_sci_device_put_no_wait(PLAT_BOARD_DEVICE_ID);
+	if (ret != 0) {
+		ERROR("Sending system shutdown message failed (%d)\n", ret);
+	}
+
 	while (true)
 		wfi();
 }