[PATCH 1/2] arm/mx5: parse iomuxc pad configuratoin from device tree

Shawn Guo shawn.guo at freescale.com
Tue Jul 26 12:34:07 EDT 2011


On Tue, Jul 26, 2011 at 08:29:32AM +0200, Sascha Hauer wrote:
> On Tue, Jul 26, 2011 at 10:43:55AM +0800, Shawn Guo wrote:
> > On Mon, Jul 25, 2011 at 02:46:30PM -0600, Grant Likely wrote:
> > > On Mon, Jul 25, 2011 at 11:07:46PM +0800, Shawn Guo wrote:
> > > > It adds function mxc_iomuxc_dt_init() to parse iomuxc pad configuration
> > > 
> > Specifying string in dts, and then parsing the string, mapping it to
> > one of the huge MX53_PAD_ definition in kernel init code?
> > 
> > One thing I'm trying to do is to replace those huge iomux-mx*.h headers
> > with dts binding, and then get rid of those headers from Linux tree.
> 
> I don't like these files either, so getting rid of them looks promising.
> OTOH don't forget that we need some of the pins during runtime for
> gpio/function switching.
> 
Do we have plan to use Linus.W's pinmux subsystem, which will perfectly
work for runtime configuration?

-- 
Regards,
Shawn




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