ramips: create DTSI for ASUS RT-AC51U and RT-AC54U

This creates a DTSI for the ASUS RT-AC51U and the upcoming RT-AC54U,
as they are quite similar.

White at it, drop the unneeded "status = okay" for ethernet.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

target/linux/ramips/dts/mt7620a_asus_rt-ac51u.dts

@@ -1,9 +1,6 @@
 /dts-v1/;
 
-#include "mt7620a.dtsi"
+#include "mt7620a_asus_rt-ac5x.dtsi"
-
-#include <dt-bindings/gpio/gpio.h>
-#include <dt-bindings/input/input.h>
 
 / {
 	compatible = "asus,rt-ac51u", "ralink,mt7620a-soc";
@@ -36,93 +33,10 @@
 			gpios = <&gpio3 0 GPIO_ACTIVE_LOW>;
 		};
 	};
-
-	keys {
-		compatible = "gpio-keys";
-
-		reset {
-			label = "reset";
-			gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
-			linux,code = <KEY_RESTART>;
-		};
-
-		wps {
-			label = "wps";
-			gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
-			linux,code = <KEY_WPS_BUTTON>;
-		};
-	};
-};
-
-&spi0 {
-	status = "okay";
-
-	flash@0 {
-		compatible = "jedec,spi-nor";
-		reg = <0>;
-		spi-max-frequency = <10000000>;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			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 {
-				compatible = "denx,uimage";
-				label = "firmware";
-				reg = <0x50000 0xfb0000>;
-			};
-		};
-	};
-};
-
-&ehci {
-	status = "okay";
-};
-
-&ohci {
-	status = "okay";
-};
-
-&gpio0 {
-	enable-leds {
-		gpio-hog;
-		line-name = "enable-leds";
-		output-low;
-		gpios = <10 GPIO_ACTIVE_HIGH>;
-	};
-};
-
-&gpio3 {
-	status = "okay";
 };
 
 &ethernet {
-	status = "okay";
 	mtd-mac-address = <&factory 0x4>;
-	mediatek,portmap = "wllll";
-};
-
-&wmac {
-	ralink,mtd-eeprom = <&factory 0x0>;
 };
 
 &state_default {
@@ -132,10 +46,6 @@
 	};
 };
 
-&pcie {
-	status = "okay";
-};
-
 &pcie0 {
 	wifi@0,0 {
 		reg = <0x0000 0 0 0 0>;

target/linux/ramips/dts/mt7620a_asus_rt-ac5x.dtsi

@@ -0,0 +1,95 @@
+#include "mt7620a.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	keys {
+		compatible = "gpio-keys";
+
+		reset {
+			label = "reset";
+			gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+
+		wps {
+			label = "wps";
+			gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_WPS_BUTTON>;
+		};
+	};
+};
+
+&spi0 {
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <10000000>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			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 {
+				compatible = "denx,uimage";
+				label = "firmware";
+				reg = <0x50000 0xfb0000>;
+			};
+		};
+	};
+};
+
+&ehci {
+	status = "okay";
+};
+
+&ohci {
+	status = "okay";
+};
+
+&gpio0 {
+	enable-leds {
+		gpio-hog;
+		line-name = "enable-leds";
+		output-low;
+		gpios = <10 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&gpio3 {
+	status = "okay";
+};
+
+&ethernet {
+	mediatek,portmap = "wllll";
+};
+
+&wmac {
+	ralink,mtd-eeprom = <&factory 0x0>;
+};
+
+&pcie {
+	status = "okay";
+};