ARM: dts: imx6: RDU2: Add DSA support for the Marvell 88E6352

The RDU2 has a Marvell 88E6352 switch. Both the FEC and the i210
Ethernet interfaces are connected to the switch. Make the FEC the DSA
"CPU" port, and the i210 as a regular port on the switch.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Chris Healy <cphealy@gmail.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
index d7328e9..add5327 100644 (file)
--- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
@@ -624,6 +624,56 @@
        phy-reset-duration = <100>;
        phy-supply = <&reg_3p3v>;
        status = "okay";
+
+       mdio {
+               #address-cells = <1>;
+               #size-cells = <0>;
+               status = "okay";
+
+               switch@0 {
+                       compatible = "marvell,mv88e6085";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0>;
+                       dsa,member = <0 0>;
+
+                       ports {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               port@0 {
+                                       reg = <0>;
+                                       label = "gigabit_proc";
+                               };
+
+                               port@1 {
+                                       reg = <1>;
+                                       label = "netaux";
+                               };
+
+                               port@2 {
+                                       reg = <2>;
+                                       label = "cpu";
+                                       ethernet = <&fec>;
+
+                                       fixed-link {
+                                               speed = <100>;
+                                               full-duplex;
+                                       };
+                               };
+
+                               port@3 {
+                                       reg = <3>;
+                                       label = "netright";
+                               };
+
+                               port@4 {
+                                       reg = <4>;
+                                       label = "netleft";
+                               };
+                       };
+               };
+       };
 };
 
 &usbh1 {