soc: renesas: Add r8a77990 SYSC PM Domain Binding Definitions

This patch adds power domain indices for R-Car E3.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[shimoda: add commit log and SPDX-License-Identifier]
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

include/dt-bindings/power/r8a77990-sysc.h

@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ */
+#ifndef __DT_BINDINGS_POWER_R8A77990_SYSC_H__
+#define __DT_BINDINGS_POWER_R8A77990_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 R8A77990_PD_CA53_CPU0		5
+#define R8A77990_PD_CA53_CPU1		6
+#define R8A77990_PD_CR7			13
+#define R8A77990_PD_A3VC		14
+#define R8A77990_PD_3DG_A		17
+#define R8A77990_PD_3DG_B		18
+#define R8A77990_PD_CA53_SCU		21
+#define R8A77990_PD_A2VC1		26
+
+/* Always-on power area */
+#define R8A77990_PD_ALWAYS_ON		32
+
+#endif /* __DT_BINDINGS_POWER_R8A77990_SYSC_H__ */