From 8fa0e979969ba6abc1bc1664810c73758ffae983 Mon Sep 17 00:00:00 2001
From: Vladimir Oltean <vladimir.oltean@nxp.com>
Date: Wed, 29 Sep 2021 18:04:43 +0300
Subject: [PATCH] arm: dts: ls1021a-tsn: add sja1105 and eth2 bindings

The eth aliases are for correct probing order, so that each Ethernet
port will get a predictable MAC address from the environment.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
---
 arch/arm/dts/ls1021a-tsn.dts | 103 +++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)

diff --git a/arch/arm/dts/ls1021a-tsn.dts b/arch/arm/dts/ls1021a-tsn.dts
index 8e0f4eaf68..68f5543644 100644
--- a/arch/arm/dts/ls1021a-tsn.dts
+++ b/arch/arm/dts/ls1021a-tsn.dts
@@ -14,6 +14,81 @@
 		enet1-sgmii-phy = &sgmii_phy1;
 		spi0 = &qspi;
 		spi1 = &dspi1;
+		ethernet0 = &enet0;
+		ethernet1 = &enet1;
+		ethernet2 = &enet2;
+		ethernet3 = &swp2;
+		ethernet4 = &swp3;
+		ethernet5 = &swp4;
+		ethernet6 = &swp5;
+	};
+};
+
+&dspi0 {
+	bus-num = <0>;
+	status = "okay";
+
+	sja1105: ethernet-switch@1 {
+		reg = <0x1>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "nxp,sja1105t";
+		/* 12 MHz */
+		spi-max-frequency = <12000000>;
+		/* Sample data on trailing clock edge */
+		spi-cpha;
+		/* SPI controller settings for SJA1105 timing requirements */
+		fsl,spi-cs-sck-delay = <1000>;
+		fsl,spi-sck-cs-delay = <1000>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			swp5: port@0 {
+				/* ETH5 written on chassis */
+				label = "swp5";
+				phy-handle = <&rgmii_phy6>;
+				phy-mode = "rgmii-id";
+				reg = <0>;
+			};
+
+			swp2: port@1 {
+				/* ETH2 written on chassis */
+				label = "swp2";
+				phy-handle = <&rgmii_phy3>;
+				phy-mode = "rgmii-id";
+				reg = <1>;
+			};
+
+			swp3: port@2 {
+				/* ETH3 written on chassis */
+				label = "swp3";
+				phy-handle = <&rgmii_phy4>;
+				phy-mode = "rgmii-id";
+				reg = <2>;
+			};
+
+			swp4: port@3 {
+				/* ETH4 written on chassis */
+				label = "swp4";
+				phy-handle = <&rgmii_phy5>;
+				phy-mode = "rgmii-id";
+				reg = <3>;
+			};
+
+			port@4 {
+				/* Internal port connected to eth2 */
+				ethernet = <&enet2>;
+				phy-mode = "rgmii";
+				reg = <4>;
+
+				fixed-link {
+					speed = <1000>;
+					full-duplex;
+				};
+			};
+		};
 	};
 };
 
@@ -31,6 +106,17 @@
 	status = "okay";
 };
 
+/* RGMII delays added via PCB traces */
+&enet2 {
+	phy-mode = "rgmii";
+	status = "okay";
+
+	fixed-link {
+		speed = <1000>;
+		full-duplex;
+	};
+};
+
 &i2c0 {
 	status = "okay";
 };
@@ -46,6 +132,23 @@
 		reg = <0x2>;
 	};
 
+	/* BCM5464 quad PHY */
+	rgmii_phy3: ethernet-phy@3 {
+		reg = <0x3>;
+	};
+
+	rgmii_phy4: ethernet-phy@4 {
+		reg = <0x4>;
+	};
+
+	rgmii_phy5: ethernet-phy@5 {
+		reg = <0x5>;
+	};
+
+	rgmii_phy6: ethernet-phy@6 {
+		reg = <0x6>;
+	};
+
 	/* SGMII PCS for enet0 */
 	tbi0: tbi-phy@1f {
 		reg = <0x1f>;
-- 
2.39.5