ralink: add support for netis WF-2881

netis WF-2881 is an MT7621AT based router with MT7602EN, MT7612EN.
It has 128MB DDR3, 128MB SLC NAND FLASH, 5-port Gbps switch and 1x USB 3.0.
The following patch adds support for this device.

this device only works on top of UBI.

Tested and working:
* ethernet
* both WiFi radios
* USB 3.0
* buttons (reset button)
* ethernet switch and USB diag LEDs
* UART
* GPIOs
* sysupgrade

Tested and not working
* failsafe

Signed-off-by: YounJae Rho <luxflow@live.com>

SVN-Revision: 47619

1 files changed, 133 insertions, 0 deletions

diff --git a/target/linux/ramips/dts/WF-2881.dts b/target/linux/ramips/dts/WF-2881.dts
new file mode 100644
index 0000000000..7228dc527f
--- /dev/null
+++ b/target/linux/ramips/dts/WF-2881.dts
@@ -0,0 +1,133 @@
+/dts-v1/;
+
+/include/ "mt7621.dtsi"
+
+/ {
+	compatible = "mediatek,mt7621-eval-board", "mediatek,mt7621-soc";
+	model = "NETIS WF-2881";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x8000000>;
+	};
+
+	palmbus@1E000000 {
+		spi@b00 {
+			status="disabled";
+		};
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,57600";
+	};
+
+	nand@1e003000 {
+		compatible = "mtk,mt7621-nand";
+		bank-width = <2>;
+		reg = <0x1e003000 0x800
+				0x1e003800 0x800>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		partition@0 {
+			label = "u-boot";
+			reg = <0x0 0x30000>;
+			read-only;
+		};
+
+		partition@30000 {
+			label = "u-boot-env";
+			reg = <0x30000 0x1000>;
+			read-only;
+		};
+
+		partition@80000 {
+			label = "config";
+			reg = <0x80000 0x80000>;
+			read-only;
+		};
+
+		factory: partition@100000 {
+			label = "factory";
+			reg = <0x100000 0x40000>;
+			read-only;
+		};
+
+		firmware {
+			label = "firmware";
+			reg = <0x140000 0x6EC0000>;
+		};
+
+		partition@140000 {
+			label = "kernel";
+			reg = <0x140000 0x200000>;
+		};
+
+		partition@340000 {
+			label = "ubi";
+			reg = <0x340000 0x6CC0000>;
+		};
+	};
+
+	pcie@1e140000 {
+		status = "okay";
+
+		pcie0 {
+			mt76@0,0 {
+				reg = <0x0000 0 0 0 0>;
+				device_type = "pci";
+				mediatek,mtd-eeprom = <&factory 0x8000>;
+				mediatek,2ghz = <0>;
+			};
+		};
+
+		pcie1 {
+			mt76@1,0 {
+				reg = <0x0000 0 0 0 0>;
+				device_type = "pci";
+				mediatek,mtd-eeprom = <&factory 0x0000>;
+				mediatek,5ghz = <0>;
+			};
+		};
+	};
+
+	ethernet@1e100000 {
+		mtd-mac-address = <&factory 0xe006>;
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		usb {
+			label = "wf-2881:green:usb";
+			gpios = <&gpio0 6 1>;
+		};
+
+		wps {
+			label = "wf-2881:green:wps";
+			gpios = <&gpio0 0 1>;
+		};
+	};
+
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <20>;
+
+		reset {
+			label = "reset";
+			gpios = <&gpio0 12 1>;
+			linux,code = <0x198>;
+		};
+	};
+
+	pinctrl {
+		state_default: pinctrl0 {
+			gpio {
+				ralink,group = "uart3", "jtag";
+				ralink,function = "gpio";
+			};
+		};
+	};
+};