linux-kernel - [PATCH v3 2/2] arm/arm64: dts: Add MV88E6393X to CN9130-CRB device tree

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Message-Id: <20211205225618.1565909-3-chris.packham@alliedtelesis.co.nz>
Date:   Mon,  6 Dec 2021 11:56:18 +1300
From:   Chris Packham <chris.packham@...iedtelesis.co.nz>
To:     andrew@...n.ch, gregory.clement@...tlin.com,
        sebastian.hesselbarth@...il.com, robh+dt@...nel.org,
        kabel@...nel.org, linux@...linux.org.uk
Cc:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Chris Packham <chris.packham@...iedtelesis.co.nz>
Subject: [PATCH v3 2/2] arm/arm64: dts: Add MV88E6393X to CN9130-CRB device tree

The CN9130-CRB boards have a MV88E6393X switch connected to eth0. Add
the necessary dts nodes and properties for this.

Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
Reviewed-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
This is based on the Marvell SDK. I've re-ordered the port entries to
be in ascending order renamed the wan ports and connected the SFP+.

Change in v3:
- Add review from Russell
- Change port@10 to port@a
- Add maximum-power-milliwatt property to SFP

Changes in v2:
- Remove unused port0
- Label all ports "pN"
- Add interrupt connections
- Add SFP

 arch/arm64/boot/dts/marvell/cn9130-crb.dtsi | 130 ++++++++++++++++++++
 1 file changed, 130 insertions(+)

diff --git a/arch/arm64/boot/dts/marvell/cn9130-crb.dtsi b/arch/arm64/boot/dts/marvell/cn9130-crb.dtsi
index 0885c6339d1b..87cec0944e23 100644
--- a/arch/arm64/boot/dts/marvell/cn9130-crb.dtsi
+++ b/arch/arm64/boot/dts/marvell/cn9130-crb.dtsi
@@ -73,6 +73,17 @@ cp0_reg_sd_vcc: cp0_sd_vcc@0 {
 		enable-active-high;
 		regulator-always-on;
 	};
+
+	sfp: sfp {
+		compatible = "sff,sfp";
+		i2c-bus = <&cp0_i2c1>;
+		mod-def0-gpios = <&expander0 3 GPIO_ACTIVE_LOW>;
+		los-gpio = <&expander0 15 GPIO_ACTIVE_HIGH>;
+		tx-disable-gpio = <&expander0 2 GPIO_ACTIVE_HIGH>;
+		tx-fault-gpio = <&cp0_gpio1 24 GPIO_ACTIVE_HIGH>;
+		maximum-power-milliwatt = <3000>;
+		status = "okay";
+	};
 };
 
 &uart0 {
@@ -195,6 +206,125 @@ &cp0_mdio {
 	phy0: ethernet-phy@0 {
 		reg = <0>;
 	};
+
+	switch6: switch0@6 {
+		/* Actual device is MV88E6393X */
+		compatible = "marvell,mv88e6190";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <6>;
+		interrupt-parent = <&cp0_gpio1>;
+		interrupts = <28 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+
+		dsa,member = <0 0>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@1 {
+				reg = <1>;
+				label = "p1";
+				phy-handle = <&switch0phy1>;
+			};
+
+			port@2 {
+				reg = <2>;
+				label = "p2";
+				phy-handle = <&switch0phy2>;
+			};
+
+			port@3 {
+				reg = <3>;
+				label = "p3";
+				phy-handle = <&switch0phy3>;
+			};
+
+			port@4 {
+				reg = <4>;
+				label = "p4";
+				phy-handle = <&switch0phy4>;
+			};
+
+			port@5 {
+				reg = <5>;
+				label = "p5";
+				phy-handle = <&switch0phy5>;
+			};
+
+			port@6 {
+				reg = <6>;
+				label = "p6";
+				phy-handle = <&switch0phy6>;
+			};
+
+			port@7 {
+				reg = <7>;
+				label = "p7";
+				phy-handle = <&switch0phy7>;
+			};
+
+			port@8 {
+				reg = <8>;
+				label = "p8";
+				phy-handle = <&switch0phy8>;
+			};
+
+			port@9 {
+				reg = <9>;
+				label = "p9";
+				phy-mode = "10gbase-r";
+				sfp = <&sfp>;
+				managed = "in-band-status";
+			};
+
+			port@a {
+				reg = <10>;
+				label = "cpu";
+				ethernet = <&cp0_eth0>;
+			};
+
+		};
+
+		mdio {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			switch0phy1: switch0phy1@1 {
+				reg = <0x1>;
+			};
+
+			switch0phy2: switch0phy2@2 {
+				reg = <0x2>;
+			};
+
+			switch0phy3: switch0phy3@3 {
+				reg = <0x3>;
+			};
+
+			switch0phy4: switch0phy4@4 {
+				reg = <0x4>;
+			};
+
+			switch0phy5: switch0phy5@5 {
+				reg = <0x5>;
+			};
+
+			switch0phy6: switch0phy6@6 {
+				reg = <0x6>;
+			};
+
+			switch0phy7: switch0phy7@7 {
+				reg = <0x7>;
+			};
+
+			switch0phy8: switch0phy8@8 {
+				reg = <0x8>;
+			};
+		};
+	};
 };
 
 &cp0_xmdio {
-- 
2.34.1