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From 32847947e1d1e1ac2a73c7ea8ad47cca49aef5d4 Mon Sep 17 00:00:00 2001
From: Stefan Wahren <wahrenst@gmx.net>
Date: Mon, 11 Nov 2019 20:49:26 +0100
Subject: [PATCH] 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@suse.com>
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 17 +++++++++++++++++
arch/arm/boot/dts/bcm2711.dtsi | 26 ++++++++++++++++++++++++++
2 files changed, 43 insertions(+)
--- 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";
--- a/arch/arm/boot/dts/bcm2711.dtsi
+++ b/arch/arm/boot/dts/bcm2711.dtsi
@@ -325,6 +325,32 @@
cpu-release-addr = <0x0 0x000000f0>;
};
};
+
+ scb {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <1>;
+
+ ranges = <0x0 0x7c000000 0x0 0xfc000000 0x03800000>;
+
+ genet: ethernet@7d580000 {
+ 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 {
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