Hi, On Wed, Jun 08, 2016 at 02:18:42PM -0500, Rob Herring wrote: > On Sun, Jun 05, 2016 at 01:24:02AM +0300, Aaro Koskinen wrote: > > Document cavium-pip rx-delay/tx-delay properties. Currently the board > > specific values need to be hardcoded in the platform code, which we > > want to avoid when moving to DT-only booting. > > > > Signed-off-by: Aaro Koskinen <aaro.koski...@iki.fi> > > --- > > Documentation/devicetree/bindings/net/cavium-pip.txt | 4 ++++ > > 1 file changed, 4 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/net/cavium-pip.txt > > b/Documentation/devicetree/bindings/net/cavium-pip.txt > > index 7dbd158..edbf411 100644 > > --- a/Documentation/devicetree/bindings/net/cavium-pip.txt > > +++ b/Documentation/devicetree/bindings/net/cavium-pip.txt > > @@ -37,6 +37,10 @@ Properties for PIP port which is a child the PIP > > interface: > > > > - phy-handle: Optional, see ethernet.txt file in the same directory. > > > > +- rx-delay: Delay value for RGMII receive clock. Optional. Disabled if 0. > > + > > +- tx-delay: Delay value for RGMII transmit clock. Optional. Disabled if 0. > > What are the units? Use standard unit suffix if in ns, us, etc.
This is a raw register value, and the mapping to actual delay varies depending on HW, AFAIK. A.
