arm: mvebu: enable Ethernet controllers on OpenBlocks AX3-4 platform

The PlatHome OpenBlocks AX3-4 platform has 4 Ethernet ports, connected
to a single quad-port PHY through SGMII.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

1 files changed, 43 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
index cb86853fef95..bb8d83cfbb50 100644
--- a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
+++ b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
@@ -65,5 +65,48 @@
                                 linux,default-trigger = "heartbeat";
                         };
                 };
+
+                mdio {
+                        phy0: ethernet-phy@0 {
+                                reg = <0>;
+                        };
+
+                        phy1: ethernet-phy@1 {
+                                reg = <1>;
+                        };
+
+                        phy2: ethernet-phy@2 {
+                                reg = <2>;
+                        };
+
+                        phy3: ethernet-phy@3 {
+                                reg = <3>;
+                        };
+                };
+
+                ethernet@d0070000 {
+                        clock-frequency = <250000000>;
+                        status = "okay";
+                        phy = <&phy0>;
+                        phy-mode = "sgmii";
+                };
+                ethernet@d0074000 {
+                        clock-frequency = <250000000>;
+                        status = "okay";
+                        phy = <&phy1>;
+                        phy-mode = "sgmii";
+                };
+                ethernet@d0030000 {
+                        clock-frequency = <250000000>;
+                        status = "okay";
+                        phy = <&phy2>;
+                        phy-mode = "sgmii";
+                };
+                ethernet@d0034000 {
+                        clock-frequency = <250000000>;
+                        status = "okay";
+                        phy = <&phy3>;
+                        phy-mode = "sgmii";
+                };
         };
 };