ARM: dts: r9a06g032-rzn1d400-db: add switch description

Add description for the switch, GMAC2 and MII converter. With these
definitions, the switch port 0 and 1 (MII port 5 and 4) are working on
RZ/N1D-DB board.
Signed-off-by: Clément Léger <clement.leger@bootlin.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/arm/boot/dts/r9a06g032-rzn1d400-db.dts

@@ -8,6 +8,8 @@
 
 /dts-v1/;
 
+#include <dt-bindings/pinctrl/rzn1-pinctrl.h>
+#include <dt-bindings/net/pcs-rzn1-miic.h>
 #include "r9a06g032.dtsi"
 
 / {
@@ -31,3 +33,118 @@ &wdt0 {
 	timeout-sec = <60>;
 	status = "okay";
 };
+
+&gmac2 {
+	status = "okay";
+	phy-mode = "gmii";
+	fixed-link {
+		speed = <1000>;
+		full-duplex;
+	};
+};
+
+&switch {
+	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pins_mdio1>, <&pins_eth3>, <&pins_eth4>;
+
+	dsa,member = <0 0>;
+
+	mdio {
+		clock-frequency = <2500000>;
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		switch0phy4: ethernet-phy@4 {
+			reg = <4>;
+			micrel,led-mode = <1>;
+		};
+
+		switch0phy5: ethernet-phy@5 {
+			reg = <5>;
+			micrel,led-mode = <1>;
+		};
+	};
+};
+
+&switch_port0 {
+	label = "lan0";
+	phy-mode = "mii";
+	phy-handle = <&switch0phy5>;
+	status = "okay";
+};
+
+&switch_port1 {
+	label = "lan1";
+	phy-mode = "mii";
+	phy-handle = <&switch0phy4>;
+	status = "okay";
+};
+
+&switch_port4 {
+	status = "okay";
+};
+
+&eth_miic {
+	status = "okay";
+	renesas,miic-switch-portin = <MIIC_GMAC2_PORT>;
+};
+
+&mii_conv4 {
+	renesas,miic-input = <MIIC_SWITCH_PORTB>;
+	status = "okay";
+};
+
+&mii_conv5 {
+	renesas,miic-input = <MIIC_SWITCH_PORTA>;
+	status = "okay";
+};
+
+&pinctrl{
+	pins_mdio1: pins_mdio1 {
+		pinmux = <
+			RZN1_PINMUX(152, RZN1_FUNC_MDIO1_SWITCH)
+			RZN1_PINMUX(153, RZN1_FUNC_MDIO1_SWITCH)
+		>;
+	};
+	pins_eth3: pins_eth3 {
+		pinmux = <
+			RZN1_PINMUX(36, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(37, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(38, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(39, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(40, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(41, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(42, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(43, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(44, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(45, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(46, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(47, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+		>;
+		drive-strength = <6>;
+		bias-disable;
+	};
+	pins_eth4: pins_eth4 {
+		pinmux = <
+			RZN1_PINMUX(48, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(49, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(50, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(51, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(52, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(53, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(54, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(55, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(56, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(57, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(58, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+			RZN1_PINMUX(59, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)
+		>;
+		drive-strength = <6>;
+		bias-disable;
+	};
+};