netdev - [PATCH V3 net-next 7/7] ARM: dts: bcm2711-rpi-4: Enable GENET support

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Message-Id: <1573326009-2275-8-git-send-email-wahrenst@gmx.net>
Date:   Sat,  9 Nov 2019 20:00:09 +0100
From:   Stefan Wahren <wahrenst@....net>
To:     Matthias Brugger <matthias.bgg@...nel.org>,
        Matthias Brugger <mbrugger@...e.com>,
        "David S . Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>
Cc:     Eric Anholt <eric@...olt.net>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Doug Berger <opendmb@...il.com>, netdev@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com,
        linux-arm-kernel@...ts.infradead.org,
        Stefan Wahren <wahrenst@....net>
Subject: [PATCH V3 net-next 7/7] ARM: dts: bcm2711-rpi-4: Enable GENET support

This enables the Gigabit Ethernet support on the Raspberry Pi 4.
The defined PHY mode is equivalent to the default register settings
in the downstream tree.

Signed-off-by: Matthias Brugger <mbrugger@...e.com>
Signed-off-by: Stefan Wahren <wahrenst@....net>
Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
---
 arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 17 +++++++++++++++++
 arch/arm/boot/dts/bcm2711.dtsi        | 26 ++++++++++++++++++++++++++
 2 files changed, 43 insertions(+)

diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
index cccc1cc..1b5a835 100644
--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
@@ -19,6 +19,10 @@
 		reg = <0 0 0>;
 	};

+	aliases {
+		ethernet0 = &genet;
+	};
+
 	leds {
 		act {
 			gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
@@ -97,6 +101,19 @@
 	status = "okay";
 };

+&genet {
+	phy-handle = <&phy1>;
+	phy-mode = "rgmii-rxid";
+	status = "okay";
+};
+
+&genet_mdio {
+	phy1: ethernet-phy@1 {
+		/* No PHY interrupt */
+		reg = <0x1>;
+	};
+};
+
 /* uart0 communicates with the BT module */
 &uart0 {
 	pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/bcm2711.dtsi b/arch/arm/boot/dts/bcm2711.dtsi
index ac83dac..a571223 100644
--- a/arch/arm/boot/dts/bcm2711.dtsi
+++ b/arch/arm/boot/dts/bcm2711.dtsi
@@ -305,6 +305,32 @@
 			cpu-release-addr = <0x0 0x000000f0>;
 		};
 	};
+
+	scb {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <1>;
+
+		ranges = <0x0 0x7c000000  0x0 0xfc000000  0x03800000>;
+
+		genet: ethernet@...80000 {
+			compatible = "brcm,bcm2711-genet-v5";
+			reg = <0x0 0x7d580000 0x10000>;
+			#address-cells = <0x1>;
+			#size-cells = <0x1>;
+			interrupts = <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 158 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+
+			genet_mdio: mdio@e14 {
+				compatible = "brcm,genet-mdio-v5";
+				reg = <0xe14 0x8>;
+				reg-names = "mdio";
+				#address-cells = <0x0>;
+				#size-cells = <0x1>;
+			};
+		};
+	};
 };

 &clk_osc {
--
2.7.4