diff --git a/plat/mediatek/mt8186/drivers/mcdi/mt_cpu_pm.h b/plat/mediatek/mt8186/drivers/mcdi/mt_cpu_pm.h
new file mode 100644
index 0000000..83a7a53
--- /dev/null
+++ b/plat/mediatek/mt8186/drivers/mcdi/mt_cpu_pm.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2021, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __MT_CPU_PM_H__
+#define __MT_CPU_PM_H__
+
+#define MCUSYS_STATUS_PDN		(1 << 0UL)
+#define MCUSYS_STATUS_CPUSYS_PROTECT	(1 << 8UL)
+#define MCUSYS_STATUS_MCUSYS_PROTECT	(1 << 9UL)
+
+/* cpu_pm function ID*/
+enum mt_cpu_pm_user_id {
+	MCUSYS_STATUS,
+	CPC_COMMAND,
+	IRQ_REMAIN_LIST_ALLOC,
+	IRQ_REMAIN_IRQ_ADD,
+	IRQ_REMAIN_IRQ_SUBMIT,
+	MBOX_INFO,
+};
+
+/* cpu_pm lp function ID */
+enum mt_cpu_pm_lp_smc_id {
+	LP_CPC_COMMAND,
+	IRQS_REMAIN_ALLOC,
+	IRQS_REMAIN_CTRL,
+	IRQS_REMAIN_IRQ,
+	IRQS_REMAIN_WAKEUP_CAT,
+	IRQS_REMAIN_WAKEUP_SRC,
+};
+
+#endif