dt-bindings: power: Add R8A779F0 S4 SYSC power domain definitions

Add power domain indices for R-Car S4 (R8A779F0) from Linux next
commit 058f4df42121 ("Add linux-next specific files for 20230228")

Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Signed-off-by: Tho Vu <tho.vu.wh@renesas.com>
Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
[Marek: Update to linux next 20230228 state]
diff --git a/include/dt-bindings/power/r8a779f0-sysc.h b/include/dt-bindings/power/r8a779f0-sysc.h
new file mode 100644
index 0000000..0ec8ad7
--- /dev/null
+++ b/include/dt-bindings/power/r8a779f0-sysc.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: (GPL-2.0 or MIT) */
+/*
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+#ifndef __DT_BINDINGS_POWER_R8A779F0_SYSC_H__
+#define __DT_BINDINGS_POWER_R8A779F0_SYSC_H__
+
+/*
+ * These power domain indices match the Power Domain Register Numbers (PDR)
+ */
+
+#define R8A779F0_PD_A1E0D0C0		0
+#define R8A779F0_PD_A1E0D0C1		1
+#define R8A779F0_PD_A1E0D1C0		2
+#define R8A779F0_PD_A1E0D1C1		3
+#define R8A779F0_PD_A1E1D0C0		4
+#define R8A779F0_PD_A1E1D0C1		5
+#define R8A779F0_PD_A1E1D1C0		6
+#define R8A779F0_PD_A1E1D1C1		7
+#define R8A779F0_PD_A2E0D0		16
+#define R8A779F0_PD_A2E0D1		17
+#define R8A779F0_PD_A2E1D0		18
+#define R8A779F0_PD_A2E1D1		19
+#define R8A779F0_PD_A3E0		20
+#define R8A779F0_PD_A3E1		21
+
+/* Always-on power area */
+#define R8A779F0_PD_ALWAYS_ON		64
+
+#endif /* __DT_BINDINGS_POWER_R8A779A0_SYSC_H__*/