diff --git a/plat/socionext/synquacer/sq_psci.c b/plat/socionext/synquacer/sq_psci.c
index 4168df9..3062f63 100644
--- a/plat/socionext/synquacer/sq_psci.c
+++ b/plat/socionext/synquacer/sq_psci.c
@@ -113,6 +113,9 @@
 
 void __dead2 sq_system_off(void)
 {
+#if SQ_USE_SCMI_DRIVER
+	sq_scmi_sys_shutdown();
+#else
 	volatile uint32_t *gpio = (uint32_t *)PLAT_SQ_GPIO_BASE;
 
 	/* set PD[9] high to power off the system */
@@ -139,6 +142,7 @@
 	wfi();
 	ERROR("SQ System Off: operation not handled.\n");
 	panic();
+#endif
 }
 
 void __dead2 sq_system_reset(void)