linux-kernel - [PATCHv1 5/6] ARM: dts: imx6q-b650v3: Add switch port configuration

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Message-Id: <20180103122609.5482-6-sebastian.reichel@collabora.co.uk>
Date:   Wed,  3 Jan 2018 13:26:08 +0100
From:   Sebastian Reichel <sebastian.reichel@...labora.co.uk>
To:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>
Cc:     Ian Ray <ian.ray@...com>, Nandor Han <nandor.han@...com>,
        Rob Herring <robh+dt@...nel.org>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Sebastian Reichel <sebastian.reichel@...labora.co.uk>
Subject: [PATCHv1 5/6] ARM: dts: imx6q-b650v3: Add switch port configuration

This adds support for the Marvell switch and names the network
ports according to the labels, that can be found next to the
connectors. The switch is connected to the host system using a
PCI based network card.

The PCI bus configuration has been written using the following
information:

root@...0v3# lspci -tv
-[0000:00]---00.0-[01]----00.0  Intel Corporation I210 Gigabit Network Connection
root@...0v3# lspci -nn
00:00.0 PCI bridge [0604]: Synopsys, Inc. Device [16c3:abcd] (rev 01)
01:00.0 Ethernet controller [0200]: Intel Corporation I210 Gigabit Network Connection [8086:1533] (rev 03)

Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.co.uk>
---
 arch/arm/boot/dts/imx6q-b650v3.dts | 47 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/arch/arm/boot/dts/imx6q-b650v3.dts b/arch/arm/boot/dts/imx6q-b650v3.dts
index 7f9f176901d4..928f6cd8d5ae 100644
--- a/arch/arm/boot/dts/imx6q-b650v3.dts
+++ b/arch/arm/boot/dts/imx6q-b650v3.dts
@@ -111,3 +111,50 @@
 	fsl,tx-cal-45-dp-ohms = <55>;
 	fsl,tx-d-cal = <100>;
 };
+
+&pci_root {
+	/* Intel Corporation I210 Gigabit Network Connection */
+	switch_nic: ethernet@3,0 {
+		compatible = "pci8086,1533";
+		reg = <0x00010000 0 0 0 0>;
+	};
+};
+
+&switch_ports {
+	port@0 {
+		reg = <0>;
+		label = "enacq";
+	};
+
+	port@1 {
+		reg = <1>;
+		label = "eneport1";
+	};
+
+	port@2 {
+		reg = <2>;
+		label = "enix";
+	};
+
+	port@3 {
+		reg = <3>;
+		label = "enid";
+	};
+
+	port@4 {
+		reg = <4>;
+		label = "cpu";
+		ethernet = <&switch_nic>;
+	};
+
+	port@5 {
+		reg = <5>;
+		label = "enembc";
+
+		/* connected to Ethernet MAC of AT91RM9200 in MII mode */
+		fixed-link {
+			speed = <100>;
+			full-duplex;
+		};
+	};
+};
-- 
2.15.1