[PATCH] ARM: dts: imx: add Gateworks Ventana GW5904 support

[Andrew Lunn]

> >> &fec {
> >>         pinctrl-names = "default";
> >>         pinctrl-0 = <&pinctrl_enet>;
> >>         phy-mode = "rgmii-id";
> >>         status = "okay";
> >
> > You most likely need to declare a fixed PHY for the FEC to be setting up
> > the link, speed and duplex?
> 
> Florian,
> 
> Thanks - this appears to be the issue. I declared the fixed-phy down
> in the cpu port but I guess it needs to be done in the net device.

Hi Tim

There are two different MACs here. The switch CPU port MAC, and the
FEC MAC. You need to force the FEC MAC to 1Gbps, hence the fixed-phy
needs to be in the FEC node.

DSA will configure the CPU switch port to its fastest mode. You only
need a fixed-phy if you need it to run slower, e.g. it is connected to
a 100Mbps port of the vf610, or you need to set a phy-mode in order to
set RGMII delays, etc.

    Andrew