Messages in this thread | | | Date | Fri, 4 Apr 2014 13:46:37 +0100 | From | Mark Brown <> | Subject | Re: [PATCH v2 2/2] devicetree: Add devicetree bindings documentation for Cadence SPI |
| |
On Fri, Apr 04, 2014 at 05:44:23PM +0530, Harini Katakam wrote: > On Fri, Apr 4, 2014 at 3:39 PM, Mark Brown <broonie@kernel.org> wrote: > > On Fri, Apr 04, 2014 at 08:30:38AM +0530, Harini Katakam wrote:
> >> This IP can drive 4 slaves. > >> The CS line to be driven is selected in spi device structure and > >> that is driven by the software.
> > So why specify this in the binding at all? If the device always has the > > same number of chip selects it's redundant.
> I'm sorry, I should have explained that better. > The IP can support upto 4 chip selects. > The num-cs value here is the number of chip selects actually used on the board.
Why does that need to be configured? Surely the presence of slaves is enough information. [unhandled content-type:application/pgp-signature] | |