diff --git a/include/dt-bindings/power/r8a77980-sysc.h b/include/dt-bindings/power/r8a77980-sysc.h
new file mode 100644
index 000000000000..2c90c1237725
--- /dev/null
+++ b/include/dt-bindings/power/r8a77980-sysc.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ * Copyright (C) 2018 Cogent Embedded, Inc.
+ */
+#ifndef __DT_BINDINGS_POWER_R8A77980_SYSC_H__
+#define __DT_BINDINGS_POWER_R8A77980_SYSC_H__
+
+/*
+ * These power domain indices match the numbers of the interrupt bits
+ * representing the power areas in the various Interrupt Registers
+ * (e.g. SYSCISR, Interrupt Status Register)
+ */
+
+#define R8A77980_PD_A2SC2		0
+#define R8A77980_PD_A2SC3		1
+#define R8A77980_PD_A2SC4		2
+#define R8A77980_PD_A2PD0		3
+#define R8A77980_PD_A2PD1		4
+#define R8A77980_PD_CA53_CPU0		5
+#define R8A77980_PD_CA53_CPU1		6
+#define R8A77980_PD_CA53_CPU2		7
+#define R8A77980_PD_CA53_CPU3		8
+#define R8A77980_PD_A2CN		10
+#define R8A77980_PD_A3VIP		11
+#define R8A77980_PD_A2IR5		12
+#define R8A77980_PD_CR7			13
+#define R8A77980_PD_A2IR4		15
+#define R8A77980_PD_CA53_SCU		21
+#define R8A77980_PD_A2IR0		23
+#define R8A77980_PD_A3IR		24
+#define R8A77980_PD_A3VIP1		25
+#define R8A77980_PD_A3VIP2		26
+#define R8A77980_PD_A2IR1		27
+#define R8A77980_PD_A2IR2		28
+#define R8A77980_PD_A2IR3		29
+#define R8A77980_PD_A2SC0		30
+#define R8A77980_PD_A2SC1		31
+
+/* Always-on power area */
+#define R8A77980_PD_ALWAYS_ON		32
+
+#endif /* __DT_BINDINGS_POWER_R8A77980_SYSC_H__ */