ramips: add support for Comfast CF-WR800N

This patch adds support for Comfast CF-WR800N, a wall-plug wireless router
based on the MT7620N SoC with one Ethernet port and a 802.11n 2.4 GHz radio.

Signed-off-by: Roger Pueyo Centelles <roger.pueyo@guifi.net>

SVN-Revision: 45722

target/linux/ramips/dts/CF-WR800N.dts

@@ -0,0 +1,114 @@
+/dts-v1/;
+
+/include/ "mt7620n.dtsi"
+
+/ {
+	compatible = "cf-wr800n", "ralink,mt7620n-soc";
+	model = "Comfast CF-WR800N";
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+        };
+
+	palmbus@10000000 {
+		gpio0: gpio@600 {
+			status = "okay";
+		};
+
+		gpio1: gpio@638 {
+			status = "okay";
+		};
+
+		gpio2: gpio@660 {
+			status = "okay";
+		};
+
+		gpio3: gpio@688 {
+			status = "okay";
+		};
+
+		spi@b00 {
+			status = "okay";
+
+			m25p80@0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				compatible = "mx25l6405d";
+				reg = <0 0>;
+				linux,modalias = "m25p80", "w25q64";
+				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;
+				};
+
+				factory: partition@40000 {
+					label = "factory";
+					reg = <0x40000 0x10000>;
+					read-only;
+				};
+
+				partition@50000 {
+					label = "firmware";
+					reg = <0x50000 0x7b0000>;
+				};
+			};
+		};
+	};
+
+	ethernet@10100000 {
+		mtd-mac-address = <&factory 0x4>;
+	};
+
+	wmac@10180000 {
+		ralink,mtd-eeprom = <&factory 0>;
+	};
+
+	pinctrl {
+		state_default: pinctrl0 {
+			default {
+				ralink,group = "ephy", "wled", "spi refclk", "i2c";
+				ralink,function = "gpio";
+			};
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		ethernet {
+			label = "comfast:white:ethernet";
+			gpios = <&gpio2 4 1>;
+		};
+
+		wifi {
+			label = "comfast:white:wifi";
+			gpios = <&gpio3 0 1>;
+		};
+
+		wps {
+			label = "comfast:white: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 2 1>;
+                        linux,code = <0x198>;
+                };
+        };
+};