On Wed, Jun 8, 2016 at 2:51 PM, Aaro Koskinen <aaro.koski...@iki.fi> wrote: > 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.
Then state that in the description. Rob
