diff --git a/include/dt-bindings/power/r8a779a0-sysc.h b/include/dt-bindings/power/r8a779a0-sysc.h
new file mode 100644
index 000000000000..57929e459a67
--- /dev/null
+++ b/include/dt-bindings/power/r8a779a0-sysc.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+#ifndef __DT_BINDINGS_POWER_R8A779A0_SYSC_H__
+#define __DT_BINDINGS_POWER_R8A779A0_SYSC_H__
+
+/*
+ * These power domain indices match the Power Domain Register Numbers (PDR)
+ */
+
+#define R8A779A0_PD_A1E0D0C0		0
+#define R8A779A0_PD_A1E0D0C1		1
+#define R8A779A0_PD_A1E0D1C0		2
+#define R8A779A0_PD_A1E0D1C1		3
+#define R8A779A0_PD_A1E1D0C0		4
+#define R8A779A0_PD_A1E1D0C1		5
+#define R8A779A0_PD_A1E1D1C0		6
+#define R8A779A0_PD_A1E1D1C1		7
+#define R8A779A0_PD_A2E0D0		16
+#define R8A779A0_PD_A2E0D1		17
+#define R8A779A0_PD_A2E1D0		18
+#define R8A779A0_PD_A2E1D1		19
+#define R8A779A0_PD_A3E0		20
+#define R8A779A0_PD_A3E1		21
+#define R8A779A0_PD_3DG_A		24
+#define R8A779A0_PD_3DG_B		25
+#define R8A779A0_PD_A1CNN2		32
+#define R8A779A0_PD_A1DSP0		33
+#define R8A779A0_PD_A2IMP01		34
+#define R8A779A0_PD_A2DP0		35
+#define R8A779A0_PD_A2CV0		36
+#define R8A779A0_PD_A2CV1		37
+#define R8A779A0_PD_A2CV4		38
+#define R8A779A0_PD_A2CV6		39
+#define R8A779A0_PD_A2CN2		40
+#define R8A779A0_PD_A1CNN0		41
+#define R8A779A0_PD_A2CN0		42
+#define R8A779A0_PD_A3IR		43
+#define R8A779A0_PD_A1CNN1		44
+#define R8A779A0_PD_A1DSP1		45
+#define R8A779A0_PD_A2IMP23		46
+#define R8A779A0_PD_A2DP1		47
+#define R8A779A0_PD_A2CV2		48
+#define R8A779A0_PD_A2CV3		49
+#define R8A779A0_PD_A2CV5		50
+#define R8A779A0_PD_A2CV7		51
+#define R8A779A0_PD_A2CN1		52
+#define R8A779A0_PD_A3VIP0		56
+#define R8A779A0_PD_A3VIP1		57
+#define R8A779A0_PD_A3VIP2		58
+#define R8A779A0_PD_A3VIP3		59
+#define R8A779A0_PD_A3ISP01		60
+#define R8A779A0_PD_A3ISP23		61
+
+/* Always-on power area */
+#define R8A779A0_PD_ALWAYS_ON		64
+
+#endif /* __DT_BINDINGS_POWER_R8A779A0_SYSC_H__ */