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87 lines
2.0 KiB
Diff
87 lines
2.0 KiB
Diff
From 32847947e1d1e1ac2a73c7ea8ad47cca49aef5d4 Mon Sep 17 00:00:00 2001
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From: Stefan Wahren <wahrenst@gmx.net>
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Date: Mon, 11 Nov 2019 20:49:26 +0100
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Subject: [PATCH] ARM: dts: bcm2711-rpi-4: Enable GENET support
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This enables the Gigabit Ethernet support on the Raspberry Pi 4.
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The defined PHY mode is equivalent to the default register settings
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in the downstream tree.
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Signed-off-by: Matthias Brugger <mbrugger@suse.com>
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Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
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Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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---
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arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 17 +++++++++++++++++
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arch/arm/boot/dts/bcm2711.dtsi | 26 ++++++++++++++++++++++++++
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2 files changed, 43 insertions(+)
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--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
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+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
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@@ -19,6 +19,10 @@
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reg = <0 0 0>;
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};
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+ aliases {
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+ ethernet0 = &genet;
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+ };
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+
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leds {
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act {
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gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
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@@ -97,6 +101,19 @@
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status = "okay";
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};
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+&genet {
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+ phy-handle = <&phy1>;
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+ phy-mode = "rgmii-rxid";
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+ status = "okay";
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+};
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+
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+&genet_mdio {
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+ phy1: ethernet-phy@1 {
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+ /* No PHY interrupt */
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+ reg = <0x1>;
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+ };
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+};
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+
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/* uart0 communicates with the BT module */
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&uart0 {
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pinctrl-names = "default";
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--- a/arch/arm/boot/dts/bcm2711.dtsi
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+++ b/arch/arm/boot/dts/bcm2711.dtsi
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@@ -325,6 +325,32 @@
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cpu-release-addr = <0x0 0x000000f0>;
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};
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};
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+
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+ scb {
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+ compatible = "simple-bus";
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+ #address-cells = <2>;
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+ #size-cells = <1>;
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+
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+ ranges = <0x0 0x7c000000 0x0 0xfc000000 0x03800000>;
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+
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+ genet: ethernet@7d580000 {
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+ compatible = "brcm,bcm2711-genet-v5";
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+ reg = <0x0 0x7d580000 0x10000>;
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+ #address-cells = <0x1>;
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+ #size-cells = <0x1>;
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+ interrupts = <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>,
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+ <GIC_SPI 158 IRQ_TYPE_LEVEL_HIGH>;
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+ status = "disabled";
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+
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+ genet_mdio: mdio@e14 {
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+ compatible = "brcm,genet-mdio-v5";
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+ reg = <0xe14 0x8>;
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+ reg-names = "mdio";
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+ #address-cells = <0x0>;
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+ #size-cells = <0x1>;
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+ };
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+ };
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+ };
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};
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&clk_osc {
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