[PATCH v2] ARM: sunxi: dt: add EMAC aliases

Maxime Ripard maxime.ripard at free-electrons.com
Mon Nov 18 08:14:44 EST 2013


On Mon, Nov 18, 2013 at 02:07:07PM +0100, Michal Suchanek wrote:
> >> That was my first thought, and partly why I did it per-board on v1
> >> (the other part being that some boards do not have a phy, so having
> >> an ethernet0 alias felt "wrong"). But after some quick testing, it
> >> appears that aliases are overridable, so we could just add ethernet0
> >> = &gmac; on qualifying boards when the gmac support is ready.
> >
> > Or we will just add it as ethernet1. U-boot is able to put the
> > mac-address in the DT for every ethernet* nodes for as much ethernet
> > nodes as you need.
> 
> I guess that would be fine for CT and CB2 which can have only one
> physical ethernet (unless there are pins for adding another PHY) but
> if there is ever board with two ethernets you want only one of them to
>  get the mac address from u-boot.

I'm not sure to get why. ethernet0 would get ethaddr, ethernet1 would
get eth1addr. How is that an issue?

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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