ramips: Add support for the NixCore X1 Module

The NixCore X1 is a Ralink/MediaTek rt5350 WiFi Module.

http://nixcores.com/

Signed-off-by: L. D. Pinney <ldpinney@gmail.com>
Acked-by: Drew Gaylo <drew@nixcores.com>

target/linux/ramips/dts/NIXCORE-16M.dts

@@ -0,0 +1,39 @@
+/dts-v1/;
+
+#include "NIXCORE.dtsi"
+
+&spi0 {
+	status = "okay";
+
+	m25p80@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		linux,modalias = "m25p80";
+		spi-max-frequency = <10000000>;
+
+		partition@0 {
+			label = "uboot";
+			reg = <0x0 0x30000>;
+			read-only;
+		};
+
+		partition@30000 {
+			label = "uboot-env";
+			reg = <0x30000 0x10000>;
+			read-only;
+		};
+
+		factory: partition@40000 {
+			label = "factory";
+			reg = <0x40000 0x10000>;
+			read-only;
+		};
+
+		partition@50000 {
+			label = "firmware";
+			reg = <0x50000 0xfb0000>;
+		};
+	};
+};

target/linux/ramips/dts/NIXCORE-8M.dts

@@ -0,0 +1,39 @@
+/dts-v1/;
+
+#include "NIXCORE.dtsi"
+
+&spi0 {
+	status = "okay";
+
+	m25p80@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		linux,modalias = "m25p80";
+		spi-max-frequency = <10000000>;
+
+		partition@0 {
+			label = "uboot";
+			reg = <0x0 0x30000>;
+			read-only;
+		};
+
+		partition@30000 {
+			label = "uboot-env";
+			reg = <0x30000 0x10000>;
+			read-only;
+		};
+
+		factory: partition@40000 {
+			label = "factory";
+			reg = <0x40000 0x10000>;
+			read-only;
+		};
+
+		partition@50000 {
+			label = "firmware";
+			reg = <0x50000 0x7b0000>;
+		};
+	};
+};

target/linux/ramips/dts/NIXCORE.dtsi

@@ -0,0 +1,154 @@
+#include "rt5350.dtsi"
+
+/ {
+	compatible = "Nixcore", "ralink,rt5350-soc";
+	model = "Nixcore";
+
+	chosen {
+		bootargs = "console=ttyS1,57600";
+	};
+
+	gpio-export {
+		compatible = "gpio-export";
+		#size-cells = <0>;
+
+		gpio0 {
+			gpio-export,name = "gpio0";
+			gpio-export,direction_may_change = <1>;
+			gpios = <&gpio0 0 0>;
+		};
+
+		gpio1 {
+			gpio-export,name = "gpio1";
+			gpio-export,direction_may_change = <1>;
+			gpios = <&gpio1 0 0>;
+		};
+
+		/* GPIOs 1-6 are I2C,SPI */
+		/* GPIO 7-14 are uart1 */
+		/* GPIOs 15 & 16 are uart2 */
+		/* JTAG */
+
+		gpio17 {
+			/* JTAG_TDO */
+			gpio-export,name = "gpio17";
+			gpio-export,direction_may_change = <1>;
+			gpios = <&gpio0 17 0>;
+		};
+
+		gpio18 {
+			/* JTAG_TDI */
+			gpio-export,name = "gpio18";
+			gpio-export,direction_may_change = <1>;
+			gpios = <&gpio0 18 0>;
+		};
+
+		gpio19 {
+			/* JTAG_TMS */
+			gpio-export,name = "gpio19";
+			gpio-export,direction_may_change = <1>;
+			gpios = <&gpio0 19 0>;
+		};
+
+		gpio20 {
+			/* JTAG_TCLK */
+			gpio-export,name = "gpio20";
+			gpio-export,direction_may_change = <1>;
+			gpios = <&gpio0 20 0>;
+		};
+
+		gpio21 {
+			/* JTAG_TRST_N */
+			gpio-export,name = "gpio21";
+			gpio-export,direction_may_change = <1>;
+			gpios = <&gpio0 21 0>;
+		};
+
+		/* ETH LEDs */
+		/*
+		gpio22 {
+			gpio-export,name = "gpio22";
+			gpio-export,direction_may_change = <1>;
+			gpios = <&gpio1 0 0>;
+		};
+
+		gpio23 {
+			gpio-export,name = "gpio23";
+			gpio-export,direction_may_change = <1>;
+			gpios = <&gpio1 1 0>;
+		};
+
+		gpio24 {
+			gpio-export,name = "gpio24";
+			gpio-export,direction_may_change = <1>;
+			gpios = <&gpio1 2 0>;
+		};
+
+		gpio25 {
+			gpio-export,name = "gpio25";
+			gpio-export,direction_may_change = <1>;
+			gpios = <&gpio1 3 0>;
+		};
+
+		*/
+		gpio26 {
+			/* ETH4_LED */
+			gpio-export,name = "gpio26";
+			gpio-export,direction_may_change = <1>;
+			gpios = <&gpio1 4 0>;
+		};
+
+		gpio27 {
+			/* spi_cs1 */
+			gpio-export,name = "gpio27";
+			gpio-export,direction_may_change = <1>;
+			gpios = <&gpio1 5 0>;
+		};
+	};
+};
+
+&gpio0 {
+    status = "okay";
+};
+
+&gpio1 {
+    status = "okay";
+};
+
+&i2c {
+    status = "okay";
+};
+
+&uart {
+    status = "okay";
+    reset-names = "gpio uartf";
+};
+
+&pinctrl {
+	state_default: pinctrl0 {
+		gpio {
+			ralink,group = "jtag", "led", "spi_cs1";
+			ralink,function = "gpio";
+		};
+	};
+};
+
+&ethernet {
+	mtd-mac-address = <&factory 0x4>;
+};
+
+&esw {
+	mediatek,portmap = <0x17>;
+};
+
+&wmac {
+	ralink,mtd-eeprom = <&factory 0>;
+};
+
+&ehci {
+	status = "okay";
+};
+
+&ohci {
+	status = "okay";
+};