On Mon, Oct 24, 2022 at 11:57:23AM -0500, Rob Herring wrote: > On Thu, Oct 20, 2022 at 11:41:10PM -0600, Sarath Babu Naidu Gaddam wrote: > > There is currently no standard property to pass PTP device index > > information to ethernet driver when they are independent. > > > > ptp-hardware-clock property will contain phandle to PTP clock node. > > > > Freescale driver currently has this implementation but it will be > > good to agree on a generic (optional) property name to link to PTP > > phandle to Ethernet node. In future or any current ethernet driver > > wants to use this method of reading the PHC index,they can simply use > > this generic name and point their own PTP clock node, instead of > > creating separate property names in each ethernet driver DT node. > > Seems like this does the same thing as > Documentation/devicetree/bindings/ptp/timestamper.txt. > > Or perhaps what we have in bindings/timestamp/ which unfortunately does > about the same thing. > > The latter one is more flexible and follows standard provider/consumer > patterns. So timestamper.txt should probably be deprecated. I don't see how you can do that. The provider/consumer semantics are completely opposite. The three (including present patch) bindings specify three different relationships. Thanks, Richard
