Re: [PATCH v3] arm64: dts: rockchip: support Ethernet Switch adapter for RK3588 Jaguar

+&gmac1 {
+	clock_in_out = "output";
+	phy-mode = "rgmii-id";
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac1_rx_bus2
+		     &gmac1_tx_bus2
+		     &gmac1_rgmii_clk
+		     &gmac1_rgmii_bus
+		     &eth1_pins>;
+	rx_delay = <0x0>;
+	tx_delay = <0x0>;
+	status = "okay";
+
+	fixed-link {
+		speed = <1000>;
+		full-duplex;
+	};

+	switch@5f {
+		compatible = "microchip,ksz9896";
+		reg = <0x5f>;
+		interrupt-parent = <&gpio3>;
+		interrupts = <RK_PB7 IRQ_TYPE_EDGE_FALLING>; /* ETH_INTRP_N */
+		pinctrl-0 = <&eth_reset_n &eth_intrp_n>;
+		pinctrl-names = "default";
+		reset-gpios = <&gpio3 RK_PB6 GPIO_ACTIVE_LOW>; /* ETH_RESET */
+		microchip,synclko-disable; /* CLKO_25_125 only routed to TP1 */
+
+		ethernet-ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			lan1: port@0 {
+				reg = <0>;
+				label = "ETH1";
+			};
+
+			lan2: port@1 {
+				reg = <1>;
+				label = "ETH2";
+			};
+
+			lan3: port@2 {
+				reg = <2>;
+				label = "ETH3";
+			};
+
+			lan4: port@3 {
+				reg = <3>;
+				label = "ETH4";
+			};
+
+			port@5 {
+				reg = <5>;
+				ethernet = <&gmac1>;
+				label = "CPU";
+				phy-mode = "rgmii-id";
+				rx-internal-delay-ps = <2000>;
+				tx-internal-delay-ps = <2000>;
+
+				fixed-link {
+					speed = <1000>;
+					full-duplex;
+				};

For these bits only:

Reviewed-by: Andrew Lunn <andrew@lunn.ch>

    Andrew