ARM: rmobile: Add R8A77970 V3M Eagle board

Add bits to support yet another board, the R8A77970 V3M Eagle.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/arch/arm/dts/r8a77970-eagle.dts b/arch/arm/dts/r8a77970-eagle.dts
new file mode 100644
index 0000000..71a379f
--- /dev/null
+++ b/arch/arm/dts/r8a77970-eagle.dts
@@ -0,0 +1,87 @@
+/*
+ * Device Tree Source for the Eagle board
+ *
+ * Copyright (C) 2016-2017 Renesas Electronics Corp.
+ * Copyright (C) 2017 Cogent Embedded, Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+/dts-v1/;
+#include "r8a77970.dtsi"
+
+/ {
+	model = "Renesas Eagle board based on r8a77970";
+	compatible = "renesas,eagle", "renesas,r8a77970";
+
+	aliases {
+		serial0 = &scif0;
+		ethernet0 = &avb;
+	};
+
+	chosen {
+		bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
+		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>;
+};
+
+&pfc {
+	pinctrl-0 = <&scif_clk_pins>;
+	pinctrl-names = "default";
+
+	scif0_pins: scif0 {
+		groups = "scif0_data";
+		function = "scif0";
+	};
+
+	scif_clk_pins: scif_clk {
+		groups = "scif_clk_b";
+		function = "scif_clk";
+	};
+
+	avb_pins: avb {
+		groups = "avb0_mdc";
+		function = "avb0";
+	};
+};
+
+&scif0 {
+	pinctrl-0 = <&scif0_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
+&scif_clk {
+	clock-frequency = <14745600>;
+	status = "okay";
+};
+
+&avb {
+	pinctrl-0 = <&avb_pins>;
+	pinctrl-names = "default";
+	renesas,no-ether-link;
+	phy-handle = <&phy0>;
+	status = "okay";
+
+	phy0: ethernet-phy@0 {
+		rxc-skew-ps = <1500>;
+		reg = <0>;
+	};
+};