Add the initial device  tree for  the R8A77980 SoC based Condor board.
The board has 1 debug serial port (SCIF0); include support for it, so
that the serial console can work.

Based on the original (and large) patch by Vladimir Barinov.

Signed-off-by: Vladimir Barinov <vladimir.bari...@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtyl...@cogentembedded.com>

---
 arch/arm64/boot/dts/renesas/Makefile            |    1 
 arch/arm64/boot/dts/renesas/r8a77980-condor.dts |   46 ++++++++++++++++++++++++
 2 files changed, 47 insertions(+)

Index: renesas/arch/arm64/boot/dts/renesas/Makefile
===================================================================
--- renesas.orig/arch/arm64/boot/dts/renesas/Makefile
+++ renesas/arch/arm64/boot/dts/renesas/Makefile
@@ -8,4 +8,5 @@ dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-sa
 dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-m3ulcb-kf.dtb
 dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-xs.dtb
 dtb-$(CONFIG_ARCH_R8A77970) += r8a77970-eagle.dtb r8a77970-v3msk.dtb
+dtb-$(CONFIG_ARCH_R8A77980) += r8a77980-condor.dtb
 dtb-$(CONFIG_ARCH_R8A77995) += r8a77995-draak.dtb
Index: renesas/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
===================================================================
--- /dev/null
+++ renesas/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the Condor board
+ *
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ * Copyright (C) 2018 Cogent Embedded, Inc.
+ */
+
+/dts-v1/;
+#include "r8a77980.dtsi"
+
+/ {
+       model = "Renesas Condor board based on r8a77980";
+       compatible = "renesas,condor", "renesas,r8a77980";
+
+       aliases {
+               serial0 = &scif0;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       memory@48000000 {
+               device_type = "memory";
+               /* first 128MB is reserved for secure area. */
+               reg = <0x0 0x48000000 0x0 0x38000000>;
+       };
+};
+
+&extal_clk {
+       clock-frequency = <16666666>;
+};
+
+&extalr_clk {
+       clock-frequency = <32768>;
+};
+
+&scif0 {
+       status = "okay";
+};
+
+&scif_clk {
+       clock-frequency = <14745600>;
+       status = "okay";
+};

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