dt-bindings: power: rcar-sysc: Add r8a7742 power domain index macros

Add power domain indices for RZ/G1H (R8A7742) SoC.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Link: https://lore.kernel.org/r/1587678050-23468-3-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

include/dt-bindings/power/r8a7742-sysc.h

+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+#ifndef __DT_BINDINGS_POWER_R8A7742_SYSC_H__
+#define __DT_BINDINGS_POWER_R8A7742_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 R8A7742_PD_CA15_CPU0		 0
+#define R8A7742_PD_CA15_CPU1		 1
+#define R8A7742_PD_CA15_CPU2		 2
+#define R8A7742_PD_CA15_CPU3		 3
+#define R8A7742_PD_CA7_CPU0		 5
+#define R8A7742_PD_CA7_CPU1		 6
+#define R8A7742_PD_CA7_CPU2		 7
+#define R8A7742_PD_CA7_CPU3		 8
+#define R8A7742_PD_CA15_SCU		12
+#define R8A7742_PD_RGX			20
+#define R8A7742_PD_CA7_SCU		21
+
+/* Always-on power area */
+#define R8A7742_PD_ALWAYS_ON		32
+
+#endif /* __DT_BINDINGS_POWER_R8A7742_SYSC_H__ */