On Thu, Jan 22, 2015 at 9:57 PM, Wolfram Sang <wsa@xxxxxxxxxxxxx> wrote: > My suggestion is: > > 1) if there is a clk node: > - we get the clock rate via clock framework > - "clock-frequency" is describing the bus speed as usual (Note > that parsing here can be as simple as checking for 100kHz only. > Although a seperate patch could probably easily add support for > other bus speeds to) > > 2?) a new binding is present to specify the IP clock speed: > - is this needed? is somebody using the driver without CCF? > - if so, the new binding is parsed and evaluated > - I couldn't find an existing binding to specify a clock speed. > Please have a look, too. Otherwise we need to introduce sth > like "opencores,ip-clock-khz" probably. > - "clock-frequency" is describing the bus speed as usual > > 3) only "clock-frequency" is present: > - we keep the current behaviour to be backwards compatible. > - driver should emit a warning to convert to new style > - must be marked deprecated everywhere > > The documentation should be updated accordingly. > > Thoughts? I can update my patch to do (1) and (3), leaving (2) to whoever may need that. -- Thanks. -- Max -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
