ramips: Add support for Netgear EX2700

This patch adds support for the Netgear EX2700 and builds an approriate
sysupgrade image.

What's missing is the option to build a factory image flashable via the
router's stock web interface, but this approach is hindered by the fact
that u-boot operforms an additional integrity check, which expects a
uImage header in the last 64 bytes of the "kernel" partition, which
the bootloader expects to be 960k, a size exceeded by the standard
OpenWrt kernel.

Signed-off-by: Joseph C. Lehner <joseph.c.lehner@gmail.com>

SVN-Revision: 48698

1 files changed, 148 insertions, 0 deletions

diff --git a/target/linux/ramips/dts/EX2700.dts b/target/linux/ramips/dts/EX2700.dts
new file mode 100644
index 0000000000..4b5a01a94e
--- /dev/null
+++ b/target/linux/ramips/dts/EX2700.dts
@@ -0,0 +1,148 @@
+/*
+ * Device Tree file for the Netgear EX2700
+ *
+ * Copyright (C) 2016 Joseph C. Lehner <joseph.c.lehner@gmail.com>
+ *
+ * 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/ "mt7620a.dtsi"
+
+/ {
+	compatible = "ralink,mt7620a-soc";
+	model = "Netgear EX2700";
+
+	chosen {
+		bootargs = "console=ttyS0,57600";
+	};
+
+	palmbus@10000000 {
+
+		gpio0: gpio@600 {
+			status = "okay";
+		};
+
+		gpio1: gpio@638 {
+			status = "okay";
+		};
+
+		spi@b00 {
+			status = "okay";
+
+			m25p80@0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				compatible = "jedec,spi-nor";
+				reg = <0 0>;
+				linux,modalias = "m25p80", "mx25l3205d";
+				spi-max-frequency = <10000000>;
+
+				partition@0 {
+					label = "u-boot";
+					reg = <0x0 0x30000>;
+					read-only;
+				};
+
+				partition@30000 {
+					label = "u-boot-env";
+					reg = <0x30000 0x10000>;
+					read-only;
+				};
+
+				partition@40000 {
+					label = "firmware";
+					reg = <0x40000 0x3b0000>;
+				};
+
+				art: partition@3f0000 {
+					label = "art";
+					reg = <0x3f0000 0x10000>;
+					read-only;
+				};
+			};
+		};
+	};
+
+	ethernet@10100000 {
+		mtd-mac-address = <&art 0x0>;
+	};
+
+	wmac@10180000 {
+		ralink,mtd-eeprom = <&art 0x1000>;
+	};
+
+	pinctrl {
+		state_default: pinctrl0 {
+			default {
+				//  spi refclk: pins 37, 38, 39
+				//       uartf: pins 8, 9, 10, 11, 12, 13, 14
+				//         i2c: pins 1, 2
+				ralink,group = "i2c", "uartf", "spi refclk";
+				ralink,function = "gpio";
+			};
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		power_g {
+			label = "ex2700:green:power";
+			gpios = <&gpio0 9 1>;
+			default-state = "on";
+		};
+
+		power_r {
+			label = "ex2700:red:power";
+			gpios = <&gpio0 11 1>;
+		};
+
+		device_g {
+			label = "ex2700:green:device";
+			gpios = <&gpio0 13 1>;
+		};
+
+		device_r {
+			label = "ex2700:red:device";
+			gpios = <&gpio0 10 1>;
+		};
+
+		router_g {
+			label = "ex2700:green:router";
+			gpios = <&gpio0 12 1>;
+		};
+
+		router_r {
+			label = "ex2700:red:router";
+			gpios = <&gpio0 14 1>;
+		};
+
+		wps {
+			label = "ex2700:green:wps";
+			gpios = <&gpio1 15 1>;
+		};
+	};
+
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <20>;
+
+		reset {
+			label = "reset";
+			gpios = <&gpio0 1 1>;
+			linux,code = <0x198>;
+		};
+
+		wps {
+			label = "wps";
+			gpios = <&gpio0 2 1>;
+			linux,code = <0x211>;
+		};
+	};
+};