arm64: dts: marvell: eDPU: add support for version with external switch
authorRobert Marko <robert.marko@sartura.hr>
Thu, 14 Sep 2023 09:45:01 +0000 (11:45 +0200)
committerGregory CLEMENT <gregory.clement@bootlin.com>
Wed, 20 Sep 2023 09:57:00 +0000 (11:57 +0200)
New revision of eDPU uses an Marvell MV88E6361 switch to connect the SFP
cage and G.hn IC instead of connecting them directly to the ethernet
controllers.

U-Boot will enable the switch node and disable the unused ethernet
controller.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
arch/arm64/boot/dts/marvell/armada-3720-eDPU.dts

index 57fc698e55d0c3125b36dad9a6e946c107bc69d6..d6d37a1f6f3800fefe071a092aa2dd598894245d 100644 (file)
 &eth0 {
        phy-mode = "2500base-x";
 };
+
+/*
+ * External MV88E6361 switch is only available on v2 of the board.
+ * U-Boot will enable the MDIO bus and switch nodes.
+ */
+&mdio {
+       status = "disabled";
+       pinctrl-names = "default";
+       pinctrl-0 = <&smi_pins>;
+
+       /* Actual device is MV88E6361 */
+       switch: switch@0 {
+               compatible = "marvell,mv88e6190";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               reg = <0>;
+               status = "disabled";
+
+               ports {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       port@0 {
+                               reg = <0>;
+                               label = "cpu";
+                               phy-mode = "2500base-x";
+                               managed = "in-band-status";
+                               ethernet = <&eth0>;
+                       };
+
+                       port@9 {
+                               reg = <9>;
+                               label = "downlink";
+                               phy-mode = "2500base-x";
+                               managed = "in-band-status";
+                       };
+
+                       port@a {
+                               reg = <10>;
+                               label = "uplink";
+                               phy-mode = "2500base-x";
+                               managed = "in-band-status";
+                               sfp = <&sfp_eth1>;
+                       };
+               };
+       };
+};