ARM: dts: BCM5301X: define RTL8365MB switch on Asus RT-AC88U

Define the Realtek RTL8365MB switch without interrupt support on the device
tree of Asus RT-AC88U.
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Acked-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts

@@ -93,6 +93,83 @@ led {
 			gpios = <&chipcommon 4 GPIO_ACTIVE_LOW>;
 		};
 	};
+
+	switch {
+		compatible = "realtek,rtl8365mb";
+		/* 7 = MDIO (has input reads), 6 = MDC (clock, output only) */
+		mdc-gpios = <&chipcommon 6 GPIO_ACTIVE_HIGH>;
+		mdio-gpios = <&chipcommon 7 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&chipcommon 10 GPIO_ACTIVE_LOW>;
+		realtek,disable-leds;
+		dsa,member = <1 0>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+
+			port@0 {
+				reg = <0>;
+				label = "lan5";
+				phy-handle = <&ethphy0>;
+			};
+
+			port@1 {
+				reg = <1>;
+				label = "lan6";
+				phy-handle = <&ethphy1>;
+			};
+
+			port@2 {
+				reg = <2>;
+				label = "lan7";
+				phy-handle = <&ethphy2>;
+			};
+
+			port@3 {
+				reg = <3>;
+				label = "lan8";
+				phy-handle = <&ethphy3>;
+			};
+
+			port@6 {
+				reg = <6>;
+				label = "cpu";
+				ethernet = <&sw0_p5>;
+				phy-mode = "rgmii";
+				tx-internal-delay-ps = <2000>;
+				rx-internal-delay-ps = <2000>;
+
+				fixed-link {
+					speed = <1000>;
+					full-duplex;
+					pause;
+				};
+			};
+		};
+
+		mdio {
+			compatible = "realtek,smi-mdio";
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			ethphy0: ethernet-phy@0 {
+				reg = <0>;
+			};
+
+			ethphy1: ethernet-phy@1 {
+				reg = <1>;
+			};
+
+			ethphy2: ethernet-phy@2 {
+				reg = <2>;
+			};
+
+			ethphy3: ethernet-phy@3 {
+				reg = <3>;
+			};
+		};
+	};
 };
 
 &srab {