[PATCH 3/3] gpio-vx855: Add device tree binding

Grant Likely grant.likely at secretlab.ca
Thu Sep 22 02:29:06 EST 2011


On Wed, Sep 21, 2011 at 01:50:52PM +0100, Mark Brown wrote:
> On Wed, Sep 21, 2011 at 01:02:14PM +0100, Daniel Drake wrote:
> 
> > +- #gpio-cells : Should be two. The first cell is the pin number and the
> > +  second cell is used to specify optional parameters:
> > +  - bit 0 specifies polarity (0 for normal, 1 for inverted)
> 
> Shouldn't we just have a property for the polarity?

A flags cell in gpio specifiers (and irq specifiers for that matter) is
well established practice.

g.


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