arm64: dts: renesas: Add HiHope RZ/G2H main board support

Basic support for the HiHope RZ/G2H main board:
  - Memory,
  - Main crystal,
  - Serial console
  - eMMC
Signed-off-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/1594230511-24790-8-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/boot/dts/renesas/Makefile

@@ -18,6 +18,8 @@ dtb-$(CONFIG_ARCH_R8A774C0) += r8a774c0-ek874.dtb
 dtb-$(CONFIG_ARCH_R8A774C0) += r8a774c0-ek874-idk-2121wr.dtb
 dtb-$(CONFIG_ARCH_R8A774C0) += r8a774c0-ek874-mipi-2.1.dtb
 
+dtb-$(CONFIG_ARCH_R8A774E1) += r8a774e1-hihope-rzg2h.dtb
+
 dtb-$(CONFIG_ARCH_R8A77950) += r8a77950-salvator-x.dtb
 dtb-$(CONFIG_ARCH_R8A77950) += r8a77950-ulcb.dtb
 dtb-$(CONFIG_ARCH_R8A77950) += r8a77950-ulcb-kf.dtb

arch/arm64/boot/dts/renesas/hihope-common.dtsi

 // SPDX-License-Identifier: GPL-2.0
 /*
- * Device Tree Source for the HiHope RZ/G2[MN] main board
- * Rev.[2.0/3.0/4.0] common parts
+ * Device Tree Source for the HiHope RZ/G2H Rev.4.0 and
+ * HiHope RZ/G2[MN] Rev.[2.0/3.0/4.0] main board common parts
  *
  * Copyright (C) 2019 Renesas Electronics Corp.
  */

arch/arm64/boot/dts/renesas/hihope-rev4.dtsi

 // SPDX-License-Identifier: GPL-2.0
 /*
- * Device Tree Source for the HiHope RZ/G2[MN] Rev.3.0/4.0 main board
- * common parts
+ * Device Tree Source for the HiHope RZ/G2H Rev.4.0 and
+ * HiHope RZ/G2[MN] Rev.3.0/4.0 main board common parts
  *
  * Copyright (C) 2020 Renesas Electronics Corp.
  */

arch/arm64/boot/dts/renesas/r8a774e1-hihope-rzg2h.dts

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the HiHope RZ/G2H main board
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+
+/dts-v1/;
+#include "r8a774e1.dtsi"
+#include "hihope-rev4.dtsi"
+
+/ {
+	model = "HopeRun HiHope RZ/G2H main board based on r8a774e1";
+	compatible = "hoperun,hihope-rzg2h", "renesas,r8a774e1";
+
+	memory@48000000 {
+		device_type = "memory";
+		/* first 128MB is reserved for secure area. */
+		reg = <0x0 0x48000000 0x0 0x78000000>;
+	};
+
+	memory@500000000 {
+		device_type = "memory";
+		reg = <0x5 0x00000000 0x0 0x80000000>;
+	};
+};