Subject: [PATCH v8 5/5] ARM: OMAP: gpmc: add DT bindings for GPMC timings and NAND

From: [email-masked] (Tony Lindgren)
Date: Tue, 15 Jan 2013 10:03:24 -0800

* Daniel Mack <[email-masked]> [130114 15:30]:
> On Jan 15, 2013 2:06 AM, "Tony Lindgren" <[email-masked]> wrote:
> >
> > * Ezequiel Garcia <[email-masked]> [121223 13:49]:
> > > On Fri, Dec 14, 2012 at 7:36 AM, Daniel Mack <[email-masked]> wrote:
> > > > +
> > > > +Example for an AM33xx board:
> > > > +
> > > > +       gpmc: gpmc at 50000000 {
> > > > +               compatible = "ti,am3352-gpmc";
> > > > +               ti,hwmods = "gpmc";
> > > > +               reg = <0x50000000 0x1000000>;
> > > > +               interrupts = <100>;
> > > > +               gpmc,num-cs = <8>;
> > > > +               gpmc,num-waitpins = <2>;
> > > > +               #address-cells = <2>;
> > > > +               #size-cells = <1>;
> > > > +               ranges = <0 0 0x08000000 0x2000>;       /* CS0: NAND
> */
> > > > +
> > > > +               nand at 0,0 {
> > > > +                       reg = <0 0 0>; /* CS0, offset 0 */
> > >
> > > I'm a bit confused by this: what are the other two values in "reg"?
> > > I see you've only added a binding for CS.
> > >
> > > I've extended a bit on your work and added a binding to enable OneNAND
> > > device on my IGEP board.
> > >
> > > I might send some patches in case anyone wants to give it a try.
> >
> > Daniel, should this be updated to just pass the CS?
> 
> No, as Rob pointed out earlier in a thread about this topic, the 'ranges'
> feature will help doing the math for the offset calculation eventually, so
> we need to pass all three values.

OK thanks. Applying this set into omap-for-v3.9/gpmc.

Also sounds like Ezequiel needs to update his follow up patches accordingly.

Regards,

Tony