net: mscc: serval: Add ethernet nodes for Serval

Add ethernet nodes for Serval SoCs family. There are 2 pcb in this
family: pcb105 and pcb106.

Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>

arch/mips/dts/mscc,serval.dtsi

@@ -145,5 +145,63 @@
 			#gpio-cells = <2>;
 			gpio-ranges = <&sgpio 0 0 64>;
 		};
+
+		switch: switch@011e0000 {
+			compatible = "mscc,vsc7418-switch";
+			reg = <0x011e0000 0x0100>,   // VTSS_TO_DEV0
+			      <0x011f0000 0x0100>,   // VTSS_TO_DEV1
+			      <0x01200000 0x0100>,   // VTSS_TO_DEV2
+			      <0x01210000 0x0100>,   // VTSS_TO_DEV3
+			      <0x01220000 0x0100>,   // VTSS_TO_DEV4
+			      <0x01230000 0x0100>,   // VTSS_TO_DEV5
+			      <0x01240000 0x0100>,   // VTSS_TO_DEV6
+			      <0x01250000 0x0100>,   // VTSS_TO_DEV7
+			      <0x01260000 0x0100>,   // VTSS_TO_DEV8
+			      <0x01270000 0x0100>,   // VTSS_TO_DEV9
+			      <0x01280000 0x0100>,   // VTSS_TO_DEV10
+			      <0x01900000 0x100000>, // ANA
+			      <0x01080000 0x20000>,  // QS
+			      <0x01800000 0x100000>, // QSYS
+			      <0x01030000 0x10000>,  // REW
+			      <0x01010000 0x20000>,  // SYS
+			      <0x010a0000 0x10000>;  // HSIO
+			reg-names = "port0", "port1", "port2", "port3",
+				    "port4", "port5", "port6", "port7",
+				    "port8", "port9", "port10",
+				    "ana", "qs", "qsys", "rew", "sys",
+				    "hsio";
+			status = "okay";
+
+			ethernet-ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+		};
+
+		mdio0: mdio@0107005c {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "mscc,serval-miim";
+			reg = <0x0107005c 0x24>;
+			status = "disabled";
+		};
+
+		mdio1: mdio@01070080 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "mscc,serval-miim";
+			reg = <0x01070080 0x24>;
+			status = "disabled";
+		};
+
+		hsio: syscon@10d0000 {
+			compatible = "mscc,serval-hsio", "syscon", "simple-mfd";
+			reg = <0x10a0000 0x10000>;
+
+			serdes_hsio: serdes_hsio {
+				compatible = "mscc,vsc7418-serdes";
+				#phy-cells = <3>;
+			};
+		};
 	};
 };

arch/mips/dts/serval_pcb105.dts

@@ -5,6 +5,7 @@
 
 /dts-v1/;
 #include "mscc,serval.dtsi"
+#include <dt-bindings/mscc/serval_data.h>
 
 / {
 	model = "Serval PCB105 Reference Board";
@@ -54,3 +55,46 @@
 	status = "okay";
 	sgpio-ports = <0x00FFFFFF>;
 };
+
+&mdio1 {
+	status = "okay";
+
+	phy16: ethernet-phy@16 {
+		reg = <16>;
+	};
+	phy17: ethernet-phy@17 {
+		reg = <17>;
+	};
+	phy18: ethernet-phy@18 {
+		reg = <18>;
+	};
+	phy19: ethernet-phy@19 {
+		reg = <19>;
+	};
+};
+
+&switch {
+	ethernet-ports {
+
+		port0: port@0 {
+			reg = <7>;
+			phy-handle = <&phy16>;
+			phys = <&serdes_hsio 7 SERDES1G(7) PHY_MODE_SGMII>;
+		};
+		port1: port@1 {
+			reg = <6>;
+			phy-handle = <&phy17>;
+			phys = <&serdes_hsio 6 SERDES1G(6) PHY_MODE_SGMII>;
+		};
+		port2: port@2 {
+			reg = <5>;
+			phy-handle = <&phy18>;
+			phys = <&serdes_hsio 5 SERDES1G(5) PHY_MODE_SGMII>;
+		};
+		port3: port@3 {
+			reg = <4>;
+			phy-handle = <&phy19>;
+			phys = <&serdes_hsio 4 SERDES1G(4) PHY_MODE_SGMII>;
+		};
+	};
+};

arch/mips/dts/serval_pcb106.dts

@@ -5,6 +5,7 @@
 
 /dts-v1/;
 #include "mscc,serval.dtsi"
+#include <dt-bindings/mscc/serval_data.h>
 
 / {
 	model = "Serval PCB106 Reference Board";
@@ -54,3 +55,46 @@
 	status = "okay";
 	sgpio-ports = <0x00FFFFFF>;
 };
+
+&mdio1 {
+	status = "okay";
+
+	phy16: ethernet-phy@16 {
+		reg = <16>;
+	};
+	phy17: ethernet-phy@17 {
+		reg = <17>;
+	};
+	phy18: ethernet-phy@18 {
+		reg = <18>;
+	};
+	phy19: ethernet-phy@19 {
+		reg = <19>;
+	};
+};
+
+&switch {
+	ethernet-ports {
+
+		port0: port@0 {
+			reg = <7>;
+			phy-handle = <&phy16>;
+			phys = <&serdes_hsio 7 SERDES1G(7) PHY_MODE_SGMII>;
+		};
+		port1: port@1 {
+			reg = <6>;
+			phy-handle = <&phy17>;
+			phys = <&serdes_hsio 6 SERDES1G(6) PHY_MODE_SGMII>;
+		};
+		port2: port@2 {
+			reg = <5>;
+			phy-handle = <&phy18>;
+			phys = <&serdes_hsio 5 SERDES1G(5) PHY_MODE_SGMII>;
+		};
+		port3: port@3 {
+			reg = <4>;
+			phy-handle = <&phy19>;
+			phys = <&serdes_hsio 4 SERDES1G(4) PHY_MODE_SGMII>;
+		};
+	};
+};

include/dt-bindings/mscc/serval_data.h

+/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+#ifndef _SERVAL_DATA_H_
+#define _SERVAL_DATA_H_
+
+#define SERDES1G(x)     (x)
+#define SERDES1G_MAX    SERDES1G(9)
+#define SERDES6G(x)     (SERDES1G_MAX + 1 + (x))
+#define SERDES6G_MAX    SERDES6G(11)
+#define SERDES_MAX      (SERDES6G_MAX + 1)
+
+/* similar with phy_interface_t */
+#define PHY_MODE_SGMII  2
+#define PHY_MODE_QSGMII 4
+
+#endif