From: Matthias Brugger <mbrugger@xxxxxxxx>
Enable Gigabit Ethernet support on the Raspberry Pi 4
Model B.
Signed-off-by: Matthias Brugger <mbrugger@xxxxxxxx>
---
arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 22 ++++++++++++++++++++++
arch/arm/boot/dts/bcm2711.dtsi | 18 ++++++++++++++++++
2 files changed, 40 insertions(+)
diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
index cccc1ccd19be..958553d62670 100644
--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
@@ -97,6 +97,28 @@
status = "okay";
};
+&genet {
+ phy-handle = <&phy1>;
+ phy-mode = "rgmii";
+ status = "okay";
+ dma-burst-sz = <0x08>;
+
+ mdio@e14 {
+ compatible = "brcm,genet-mdio-v5";
+ reg = <0xe14 0x8>;
+ reg-names = "mdio";
+ #address-cells = <0x0>;
+ #size-cells = <0x1>;
+
+ phy1: ethernet-phy@1 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ /* No PHY interrupt */
+ max-speed = <1000>;
+ 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 ac83dac2e6ba..e2e837fcad59 100644
--- a/arch/arm/boot/dts/bcm2711.dtsi
+++ b/arch/arm/boot/dts/bcm2711.dtsi
@@ -305,6 +305,24 @@
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,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";
+ };
+ };
};
&clk_osc {
--
2.23.0
