On Thu, Jan 28, 2016 at 10:49:27AM -0600, dinguyen@xxxxxxxxxxxxxxxxxxxxx wrote: > From: Dinh Nguyen <dinguyen@xxxxxxxxxxxxxxxxxxxxx> > > Update the Micrel phy documentation for the KSZ9031 PHY to represent how > the actual values are calculated from the code. > > Signed-off-by: Dinh Nguyen <dinguyen@xxxxxxxxxxxxxxxxxxxxx> > --- > .../devicetree/bindings/net/micrel-ksz90x1.txt | 73 ++++++++++++++++++++++ > 1 file changed, 73 insertions(+) > > diff --git a/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt b/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt > index f9c32ad..9535b2b 100644 > --- a/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt > +++ b/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt > @@ -36,6 +36,71 @@ KSZ9031: > value is 0, and the maximum is property-dependent. The increment > step is 60ps. > > + The KSZ9031 hardware supports a range of skew values from negative to > + positive, where the specific range is property dependent. All values > + specified in the devicetree are offset by the minimum value so they > + can be represented as positive integers in the devicetree since it's > + difficult to represent a negative number in the devictree. I don't think that is true anymore. dtc should allow negative numbers AIUI. That would be much better here. Rob -- 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
