From: Biju Das <biju....@bp.renesas.com>

Basic support for the HiHope RZ/G2M main board:
  - Memory,
  - Main crystal,
  - Serial console

This patch also includes a dtsi common to both HiHope RZ/G2M
and RZ/G2N main boards.

Signed-off-by: Biju Das <biju....@bp.renesas.com>
Reviewed-by: Chris Paterson <chris.paters...@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+rene...@glider.be>
Signed-off-by: Simon Horman <horms+rene...@verge.net.au>
---
 arch/arm64/boot/dts/renesas/Makefile               |  1 +
 arch/arm64/boot/dts/renesas/hihope-common.dtsi     | 33 ++++++++++++++++++++++
 .../boot/dts/renesas/r8a774a1-hihope-rzg2m.dts     | 26 +++++++++++++++++
 3 files changed, 60 insertions(+)
 create mode 100644 arch/arm64/boot/dts/renesas/hihope-common.dtsi
 create mode 100644 arch/arm64/boot/dts/renesas/r8a774a1-hihope-rzg2m.dts

diff --git a/arch/arm64/boot/dts/renesas/Makefile 
b/arch/arm64/boot/dts/renesas/Makefile
index 6cde526547e4..aa33074b7360 100644
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_R8A774A1) += r8a774a1-hihope-rzg2m.dtb
 dtb-$(CONFIG_ARCH_R8A774C0) += r8a774c0-cat874.dtb r8a774c0-ek874.dtb
 dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-salvator-x.dtb r8a7795-h3ulcb.dtb
 dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-h3ulcb-kf.dtb
diff --git a/arch/arm64/boot/dts/renesas/hihope-common.dtsi 
b/arch/arm64/boot/dts/renesas/hihope-common.dtsi
new file mode 100644
index 000000000000..5baf5328124a
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/hihope-common.dtsi
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the HiHope RZ/G2[MN] main board common parts
+ *
+ * Copyright (C) 2019 Renesas Electronics Corp.
+ */
+
+/ {
+       aliases {
+               serial0 = &scif2;
+       };
+
+       chosen {
+               bootargs = "ignore_loglevel";
+               stdout-path = "serial0:115200n8";
+       };
+};
+
+&extal_clk {
+       clock-frequency = <16666666>;
+};
+
+&extalr_clk {
+       clock-frequency = <32768>;
+};
+
+&scif2 {
+       status = "okay";
+};
+
+&scif_clk {
+       clock-frequency = <14745600>;
+};
diff --git a/arch/arm64/boot/dts/renesas/r8a774a1-hihope-rzg2m.dts 
b/arch/arm64/boot/dts/renesas/r8a774a1-hihope-rzg2m.dts
new file mode 100644
index 000000000000..93ca973c856c
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r8a774a1-hihope-rzg2m.dts
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the HiHope RZ/G2M main board
+ *
+ * Copyright (C) 2019 Renesas Electronics Corp.
+ */
+
+/dts-v1/;
+#include "r8a774a1.dtsi"
+#include "hihope-common.dtsi"
+
+/ {
+       model = "HopeRun HiHope RZ/G2M main board based on r8a774a1";
+       compatible = "hoperun,hihope-rzg2m", "renesas,r8a774a1";
+
+       memory@48000000 {
+               device_type = "memory";
+               /* first 128MB is reserved for secure area. */
+               reg = <0x0 0x48000000 0x0 0x78000000>;
+       };
+
+       memory@600000000 {
+               device_type = "memory";
+               reg = <0x6 0x00000000 0x0 0x80000000>;
+       };
+};
-- 
2.11.0

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