orion/kirkwood and device tree

[Simon Guinot]

Hi Michael,

On Thu, Nov 03, 2011 at 10:50:59PM +0100, Michael Walle wrote:
> Am Donnerstag 03 November 2011, 19:47:45 schrieb Jason:
> > Michael,
> > 
> > On Wed, Nov 02, 2011 at 11:03:04PM +0100, Michael Walle wrote:
> > > Am Mittwoch 02 November 2011, 17:50:57 schrieb Jason:
> > > > Michael,
> > > > 
> > > > On Mon, Oct 31, 2011 at 11:50:28PM +0100, Michael Walle wrote:
> > > > > i've already ported some marvell devices to DT. spi-orion, orion-wdt,
> > > > > rtc-mv and mv_cesa. Atm i'm struggling with how to pass
> > > > > kirkwood_mbus_dram_info to the device drivers (the old method is to
> > > > > pass it through platform_data)
> > > > 
> > > > Do you have a public git tree I could pull from, by chance?  I don't
> > > > care about the state, I'd like to learn by example and start pitching
> > > > in.
> > > 
> > > yeah i pushed it to github:
> > > https://github.com/mwalle/linux/tree/kirkwood-devtree
> > 
> > This is great!  I was having trouble figuring out how to do the
> > interrupt controller, and you have that.  I'll look more closely this
> > evening.
> > 
> > My only comment so far is that I think a lot of what you have in
> > lschlv2.dts can be in kirkwood.dtsi.  That way other boards don't have
> > to copy it (serial, spi, ehci, wdt, rtc, crypto).
> yeah i had it there and it should be definitely put back to kirkwood.dtsi. the 
> reason i've put it into lschv2.dts atm is that there is the clock property for 
> every device, which may be different for different platforms.
> 
> > Oh, also, I think the board-dt.c should be pulling the phys addresses
> > from the dt, it looks like you're still relying on the #defines...
> i haven't looked at ethernet/mdio yet ;)

It is good to see some work to add DT support for Kirkwood SoCs.

What are your plans concerning the MPPs configuration ? Is it possible
to embed this configuration into a DT ? What kind of node could hold
a such information ?

Regards,

Simon
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