Now that we have a proper binding for Ethernet switches hanging off
different buses, and a driver for the BCM53125 switch, add its Device
Tree as a child MDIO node, at MDIO address 30 (Broadcom pseudo-PHY
address) and describe the ports layout of the Lamobo R1 board.

This switch is hanging off the GMAC MDIO controller, not the
allwinner,sun4i-a10-mdio MDIO controller which is labeled "mdio"

Signed-off-by: Florian Fainelli <f.faine...@gmail.com>
---
Changes in v2:

- change the unit specifier to use hexadecimal
- name the GMAC MDIO controller label "mdio-gmac"
- specify board name in subject

Maxime,

You can find the B53 driver and its binding here:

https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git/commit/?id=23c731e830009a51a39a7a558179007235c84eb7

 arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts | 60 +++++++++++++++++++++++++++++--
 1 file changed, 57 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts 
b/arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts
index 5ee43d8bf174..99e71cca1da1 100644
--- a/arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts
+++ b/arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts
@@ -110,13 +110,67 @@
 &gmac {
        pinctrl-names = "default";
        pinctrl-0 = <&gmac_pins_rgmii_a>;
-       phy = <&phy1>;
        phy-mode = "rgmii";
        phy-supply = <&reg_gmac_3v3>;
        status = "okay";
 
-       phy1: ethernet-phy@1 {
-               reg = <1>;
+       fixed-link {
+               speed = <1000>;
+               full-duplex;
+       };
+
+       mdio-gmac {
+               compatible = "snps,dwmac-mdio";
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               switch: ethernet-switch@1e {
+                       compatible = "brcm,bcm53125";
+                       reg = <30>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       ports {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               port0: port@0 {
+                                       reg = <0>;
+                                       label = "lan2";
+                               };
+
+                               port1: port@1 {
+                                       reg = <1>;
+                                       label = "lan3";
+                               };
+
+                               port2: port@2 {
+                                       reg = <2>;
+                                       label = "lan4";
+                               };
+
+                               port3: port@3 {
+                                       reg = <3>;
+                                       label = "wan";
+                               };
+
+                               port4: port@4 {
+                                       reg = <4>;
+                                       label = "lan1";
+                               };
+
+                               port8: port@8 {
+                                       reg = <8>;
+                                       label = "cpu";
+                                       ethernet = <&gmac>;
+                                       phy-mode = "rgmii";
+                                       fixed-link {
+                                               speed = <1000>;
+                                               full-duplex;
+                                       };
+                               };
+                       };
+               };
        };
 };
 
-- 
2.7.4

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