diff --git a/plat/mediatek/mt8192/drivers/mcdi/mt_lp_irqremain.h b/plat/mediatek/mt8192/drivers/mcdi/mt_lp_irqremain.h
new file mode 100644
index 0000000..cbed967
--- /dev/null
+++ b/plat/mediatek/mt8192/drivers/mcdi/mt_lp_irqremain.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2020, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MT_LP_IRQREMAIN_H
+#define MT_LP_IRQREMAIN_H
+
+extern int mt_lp_irqremain_submit(void);
+extern int mt_lp_irqremain_aquire(void);
+extern int mt_lp_irqremain_release(void);
+extern void mt_lp_irqremain_init(void);
+#endif /* MT_LP_IRQREMAIN_H */