[PATCH v1 3/3] ARM: dts: bcm2711: Enable GENET support for the RPi4

[matthias . bgg]

From: Matthias Brugger <mbrug...@suse.com>

Enable Gigabit Ethernet support on the Raspberry Pi 4
Model B.

Signed-off-by: Matthias Brugger <mbrug...@suse.com>

---

 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