ramips: add support for RT-N14U (mt7620n based) board

added dts file and userspace scripts modified to support Asus RT-N14U board

current support status:
usb        works
ethernet   works
buttons    reset, wps
leds       asus:blue:[usb|lan|wan|air|power]
i2c        not tested
uart       not tested
wifi       not yet

Signed-off-by: Pavel Löbl <lobl.pavel@gmail.com>

SVN-Revision: 39163

target/linux/ramips/base-files/etc/uci-defaults/01_leds

@@ -141,6 +141,13 @@ case $board in
 	wnce2001)
 		set_wifi_led "netgear:green:wlan"
 		;;
+	rt-n14u)
+		ucidef_set_led_default "power" "power" "asus:blue:power" "1"
+		ucidef_set_led_netdev "lan" "lan" "asus:blue:lan" "eth0.1"
+		ucidef_set_led_netdev "wan" "wan" "asus:blue:wan" "eth0.2"
+		set_wifi_led "asus:blue:air"
+		set_usb_led "asus:blue:usb"
+		;;
 	rp-n53)
 		ucidef_set_led_netdev "eth" "Network" "asus:white:back" "eth0"
 		set_wifi_led "asus:blue:wifi"

target/linux/ramips/base-files/etc/uci-defaults/02_network

@@ -87,6 +87,7 @@ ramips_setup_interfaces()
 	f5d8235-v1 | \
 	f5d8235-v2 | \
 	hg255d | \
+	rt-n14u | \
 	ur-326n4g)
 		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch0" "1" "1"

target/linux/ramips/base-files/lib/ramips.sh

@@ -127,6 +127,9 @@ ramips_board_detect() {
 	*"La Fonera 2.0N")
 		name="fonera20n"
 		;;
+	*"Asus RT-N14U")
+		name="rt-n14u"
+		;;
 	*"Asus RT-N13U")
 		name="rt-n13u"
 		;;

target/linux/ramips/base-files/lib/upgrade/platform.sh

@@ -63,6 +63,7 @@ platform_check_image() {
 	rp-n53 | \
 	rt-g32-b1 | \
 	rt-n10-plus | \
+	rt-n14u | \
 	rt-n15 | \
 	rt-n56u | \
 	sl-r7205 | \

target/linux/ramips/dts/RT-N14U.dts

@@ -0,0 +1,118 @@
+/dts-v1/;
+
+/include/ "mt7620n.dtsi"
+
+/ {
+	compatible = "asus,rt-n14u", "ralink,mt7620n-soc";
+	model = "Asus RT-N14U";
+
+	palmbus@10000000 {
+		gpio2: gpio@660 {
+			status = "okay";
+		};
+
+		gpio3: gpio@688 {
+			status = "okay";
+		};
+
+		spi@b00 {
+			status = "okay";
+
+			m25p80@0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				#compatible = "mx25l6405d";
+				compatible = "w25q128";
+				reg = <0 0>;
+				linux,modalias = "m25p80", "w25q128";
+				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 0xfb0000>;
+				};
+			};
+		};
+	};
+
+	ehci@101c0000 {
+		status = "okay";
+	};
+
+	ohci@101c1000 {
+		status = "okay";
+	};
+
+	ethernet@10100000 {
+		mtd-mac-address = <&factory 0x4>;
+		ralink,port-map = "wllll";
+	};
+
+	pinctrl {
+		state_default: pinctrl0 {
+			default {
+				ralink,group = "ephy", "wled";
+				ralink,function = "gpio";
+			};
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+		wan {
+			label = "asus:blue:wan";
+			gpios = <&gpio2 0 1>;
+		};
+		lan {
+			label = "asus:blue:lan";
+			gpios = <&gpio2 1 1>;
+		};
+		usb {
+			label = "asus:blue:usb";
+			gpios = <&gpio2 2 1>;
+		};
+		power {
+			label = "asus:blue:power";
+			gpios = <&gpio2 3 1>;
+		};
+		air {
+			label = "asus:blue:air";
+			gpios = <&gpio3 0 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>;
+		};
+	};
+};

target/linux/ramips/image/Makefile

@@ -646,10 +646,12 @@ endif
 #
 
 Image/Build/Profile/WMR300=$(call BuildFirmware/Default8M/$(1),$(1),wmr-300,WMR300)
+Image/Build/Profile/RT-N14U=$(call BuildFirmware/Default8M/$(1),$(1),rt-n14u,RT-N14U)
 
 ifeq ($(SUBTARGET),mt7620n)
 define Image/Build/Profile/Default
 	$(call Image/Build/Profile/WMR300,$(1))
+	$(call Image/Build/Profile/RT-N14U,$(1))
 endef
 endif