[mips] [rt2880] Add oldest Ralink MIPS SOC RT2880 support code.

* Target module have ic plus etherswitch ip175c.
* Also add etherswitch support code on rt driver.

Reviewed by:	mizhka
Differential Revision:	https://reviews.freebsd.org/D10336

2 files changed, 104 insertions, 7 deletions

diff --git a/sys/gnu/dts/mips/MZK-W04N-XX.dts b/sys/gnu/dts/mips/MZK-W04N-XX.dts
new file mode 100644
index 000000000000..5c198c9c779e
--- /dev/null
+++ b/sys/gnu/dts/mips/MZK-W04N-XX.dts
@@ -0,0 +1,94 @@
+/dts-v1/;
+
+#include "rt2880.dtsi"
+
+/ {
+	compatible = "MZK-WNH", "ralink,rt2880-soc";
+	model = "Planex MZK-WNH";
+
+/*
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x2000000>;
+	};
+*/
+
+	cfi@1f000000 {
+		compatible = "cfi-flash";
+		reg = <0x1f000000 0x800000>;
+		bank-width = <2>;
+		device-width = <2>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		partition@0 {
+			label = "Bootloader";
+			reg = <0x0 0x30000>;
+			read-only;
+		};
+
+		devdata: partition@30000 {
+			label = "Config";
+			reg = <0x00030000 0x00010000>;
+			read-only;
+		};
+
+		factory: partition@40000 {
+			label = "Factory";
+			reg = <0x00040000 0x00010000>;
+			read-only;
+		};
+		kernel: partition@50000 {
+			label = "kernel";
+			reg = <0x00050000 0x000f0000>;
+			read-only;
+		};
+		rootfs: partition@160000 {
+			label = "rootfs";
+			reg = <0x00140000 0x002c0000>;
+			read-only;
+		};
+		upgrade: partition@400000 {
+			label = "upgrade";
+			reg = <0x00050000 0x003b0000>;
+			read-only;
+		};
+
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		status {
+			label = "status";
+			gpios = <&gpio0 12 0>;
+		};
+
+	};
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <20>;
+
+		reset {
+			label = "reset";
+			gpios = <&gpio0 10 1>;
+			linux,code = <0x198>;
+		};
+
+	};
+
+	ip17x@0 {
+		compatible = "icplus,ip17x";
+	};
+
+};
+
+&ethernet {
+	mtd-mac-address = <&factory 0x28>;
+};
+
+&wmac {
+	ralink,mtd-eeprom = <&factory 0>;
+};
diff --git a/sys/gnu/dts/mips/rt2880.dtsi b/sys/gnu/dts/mips/rt2880.dtsi
index ad882547f794..284a7e9b2c7d 100644
--- a/sys/gnu/dts/mips/rt2880.dtsi
+++ b/sys/gnu/dts/mips/rt2880.dtsi
@@ -5,7 +5,7 @@
 
 	cpus {
 		cpu@0 {
-			compatible = "mips,mips24KEc";
+			compatible = "mips,mips4KEc";
 		};
 	};
 
@@ -80,6 +80,9 @@
 			ralink,register-map = [ 00 04 08 0c
 						20 24 28 2c
 						30 34 ];
+
+			interrupt-parent = <&intc>;
+			interrupts = <7>;
 		};
 
 		gpio1: gpio@638 {
@@ -182,13 +185,13 @@
 			compatible = "ralink,rt2880-port", "mediatek,eth-port";
 			reg = <0>;
 		};
+	};
 
-		mdio-bus {
-			#address-cells = <1>;
-			#size-cells = <0>;
-
-			status = "disabled";
-		};
+	mdio-bus {
+		compatible = "ralink,rt2880-mdio";
+		reg = <0x00400000 0x10000>;
+		#address-cells = <1>;
+		#size-cells = <0>;
 	};
 
 	wmac: wmac@480000 {