On Mon, Feb 10, 2014 at 03:25:15PM +0000, Stefan Sørensen wrote:
> On Mon, 2014-02-10 at 13:42 +0000, Mark Rutland wrote:
>
> > Binding document please.
>
> Dang, I somehow managed to drop that from the patch. I will fix for the
> next version.
Cheers.
>
> > > + if (of_find_property(node, "dp83640,slave", NULL))
> > > + dp83640->slave = true;
> >
> > Use of_property_read_bool.
>
> Fixed.
>
> > > + prop = of_find_property(node, "dp83640,perout-gpios", &proplen);
> > > + if (prop) {
> > > + if (dp83640->slave) {
> > > + pr_err("dp83640,perout-gpios property can not be set
> > > together with dp83640,slave");
> > > + return -EINVAL;
> > > + }
> > > +
> > > + clock->caps.n_per_out = proplen / sizeof(u32);
> > > + if (clock->caps.n_per_out > N_EXT) {
> > > + pr_err("dp83640,perout-gpios may not have more than %d
> > > entries",
> > > + N_EXT);
> > > + return -EINVAL;
> > > + }
> > > + err = of_property_read_u32_array(node, "dp83640,perout-gpios",
> > > + clock->perout_gpios,
> > > + clock->caps.n_per_out);
> > > + if (err < 0)
> > > + return err;
> > > + }
> >
> > This looks nothing like the standard gpio bindings. What _exactly_ is
> > this property describing?
>
> The dp83640 has a number of pins of which 8 of them can be used for
> either timestamping events or triggering changes at programmed
> intervals. These properties are used to configure which pins get
> assigned to what function.
Ok.
>
> > If this is not using the standard gpio bindings then this should be
> > renamed.
>
> Maybe a gpio->pin renaming?
That sounds good to me.
Thanks,
Mark.
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