On Mon, 2014-12-22 at 03:37 -0600, Emil Medve wrote: > Hello Scott, > > > On 12/22/2014 02:32 AM, Scott Wood wrote: > > On Mon, 2014-12-22 at 02:20 -0600, Emil Medve wrote: > >> For the purpose of an example in the binding document, I suggest we just > >> stick with the IEEE standard frequency. > > > > The whole reason for this property existing in the device tree is > > non-standard frequencies. > > While the standard claims 2.5 MHz, most MDIO controllers and PHY devices > support frequencies well beyond the standard. Specifying a lower then > the standard frequency for the benefit of some errata is just one side > of this property The erratum was (until now) the only claimed reason for it. If there are other reasons why one would specify a different frequency (in particular, that relate to hardware description), please elaborate. > >> We can continue this conversation about errata handling when we submit > >> the code relevant to this binding (and the FMan v3 support) > > > > It affects the binding, so let's discuss it now please. > > I think this specific (unpublished yet) errata has less bearing on the > binding then you might believe. This is mostly about providing a > common/default frequency supported by all the devices on some board What reason other than an erratum would there be for the standard frequency not being supported? -Scott -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html