ARM: shmobile: koelsch: add Ether DT support

Define the Koelsch board dependent part of the Ether device node.
Signed-off-by: NSergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7791-koelsch.dts

@@ -2,7 +2,8 @@
  * Device Tree Source for the Koelsch board
  *
  * Copyright (C) 2013 Renesas Electronics Corporation
- * Copyright (C) 2013 Renesas Solutions Corp.
+ * Copyright (C) 2013-2014 Renesas Solutions Corp.
+ * Copyright (C) 2014 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
@@ -146,12 +147,37 @@
 		renesas,function = "scif1";
 	};
 
+	ether_pins: ether {
+		renesas,groups = "eth_link", "eth_mdio", "eth_rmii";
+		renesas,function = "eth";
+	};
+
+	phy1_pins: phy1 {
+		renesas,groups = "intc_irq0";
+		renesas,function = "intc";
+	};
+
 	qspi_pins: spi {
 		renesas,groups = "qspi_ctrl", "qspi_data4";
 		renesas,function = "qspi";
 	};
 };
 
+&ether {
+	pinctrl-0 = <&ether_pins &phy1_pins>;
+	pinctrl-names = "default";
+
+	phy-handle = <&phy1>;
+	renesas,ether-link-active-low;
+	status = "ok";
+
+	phy1: ethernet-phy@1 {
+		reg = <1>;
+		interrupt-parent = <&irqc0>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
 &sata0 {
 	status = "okay";
 };