diff --git a/plat/mediatek/mt8195/drivers/spm/notifier/mt_spm_sspm_intc.h b/plat/mediatek/mt8195/drivers/spm/notifier/mt_spm_sspm_intc.h
new file mode 100644
index 0000000..6847e77
--- /dev/null
+++ b/plat/mediatek/mt8195/drivers/spm/notifier/mt_spm_sspm_intc.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2021, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MT_SPM_SSPM_INTC_H
+#define MT_SPM_SSPM_INTC_H
+
+#include <mt_spm_reg.h>
+
+#define MT_SPM_SSPM_INTC_SEL_0		0x10
+#define MT_SPM_SSPM_INTC_SEL_1		0x20
+#define MT_SPM_SSPM_INTC_SEL_2		0x40
+#define MT_SPM_SSPM_INTC_SEL_3		0x80
+
+#define MT_SPM_SSPM_INTC_TRIGGER(id, sg) \
+	(((0x10 << id) | (sg << id)) & 0xff)
+
+#define MT_SPM_SSPM_INTC0_HIGH	MT_SPM_SSPM_INTC_TRIGGER(0, 1)
+#define MT_SPM_SSPM_INTC0_LOW	MT_SPM_SSPM_INTC_TRIGGER(0, 0)
+#define MT_SPM_SSPM_INTC1_HIGH	MT_SPM_SSPM_INTC_TRIGGER(1, 1)
+#define MT_SPM_SSPM_INTC1_LOW	MT_SPM_SSPM_INTC_TRIGGER(1, 0)
+#define MT_SPM_SSPM_INTC2_HIGH	MT_SPM_SSPM_INTC_TRIGGER(2, 1)
+#define MT_SPM_SSPM_INTC2_LOW	MT_SPM_SSPM_INTC_TRIGGER(2, 0)
+#define MT_SPM_SSPM_INTC3_HIGH	MT_SPM_SSPM_INTC_TRIGGER(3, 1)
+#define MT_SPM_SSPM_INTC3_LOW	MT_SPM_SSPM_INTC_TRIGGER(3, 0)
+
+#define DO_SPM_SSPM_LP_SUSPEND()	\
+	mmio_write_32(SPM_MD32_IRQ, MT_SPM_SSPM_INTC0_HIGH)
+#define DO_SPM_SSPM_LP_RESUME()		\
+	mmio_write_32(SPM_MD32_IRQ, MT_SPM_SSPM_INTC0_LOW)
+#endif /* MT_SPM_SSPM_INTC_H */