ramips: Add support for GL-MT300A

This patches adds support for GL-MT300A.
GL-MT300A is powered by MT7620A. It has 16MB flash, 128MB RAM,
Two LANs, USB, UART and MMC daughter board.

SVN-Revision: 48992

target/linux/ramips/dts/GL-MT300A.dts

@@ -0,0 +1,164 @@
+/dts-v1/;
+
+/include/ "mt7620a.dtsi"
+
+/ {
+	compatible = "GL-MT300A", "ralink,mt7620a-soc";
+	model = "GL-MT300A";
+
+	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 = "w25q128";
+				reg = <0 0>;
+				linux,modalias = "m25p80", "w25q128";
+				spi-max-frequency = <10000000>;
+
+				partition@0 {
+					label = "u-boot";
+					reg = <0x0 0x30000>;
+				};
+
+				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 0xf80000>;
+				};
+
+				partition@ff0000 {
+					label = "art";
+					reg = <0xff0000 0x10000>;
+				};
+			};
+		};
+	};
+
+	sdhci@10130000 {
+		status = "okay";
+	};
+
+	ehci@101c0000 {
+		status = "okay";
+	};
+
+	ohci@101c1000 {
+		status = "okay";
+	};
+
+	ethernet@10100000 {
+		pinctrl-names = "default";
+		pinctrl-0 = <&ephy_pins>;
+		mtd-mac-address = <&factory 0x4000>;
+		ralink,port-map = "wllll";
+	};
+
+	wmac@10180000 {
+		ralink,mtd-eeprom = <&factory 0>;
+	};
+
+	pcie@10140000 {
+		status = "okay";
+
+		pcie-bridge {
+			mt76@0,0 {
+				reg = <0x0000 0 0 0 0>;
+				device_type = "pci";
+				mediatek,mtd-eeprom = <&factory 0x8000>;
+				mediatek,2ghz = <0>;
+			};
+		};
+	};
+
+	pinctrl {
+		state_default: pinctrl0 {
+			gpio {
+				ralink,group = "wled","ephy","uartf","i2c";
+				ralink,function = "gpio";
+			};
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		wan {
+			label = "gl-mt300a:wan";
+			gpios = <&gpio2 0 1>;
+		};
+
+		lan {
+			label = "gl-mt300a:lan";
+			gpios = <&gpio2 1 1>;
+		};
+
+		wlan {
+			label = "gl-mt300a:wlan";
+			gpios = <&gpio3 0 1>;
+		};
+
+		usb {
+			label = "gl-mt300a:usb";
+			gpios = <&gpio0 7 1>;
+		};
+
+	};
+
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <20>;
+		reset {
+			label = "reset";
+			gpios = <&gpio0 13 1>;
+			linux,code = <0x198>;
+		};
+
+		BTN_0 {
+			label = "BTN_0";
+			gpios = <&gpio0 1 1>;
+			linux,code = <0x100>;
+		};
+
+  	    BTN_1 {
+			label = "BTN_1";
+			gpios = <&gpio0 2 1>;
+			linux,code = <0x101>;
+		};
+ 	};
+};