Hi, > Michael Turquette <mturquette@xxxxxxxxxx> hat am 26. April 2015 um 21:07 > geschrieben: > > > Quoting Stefan Wahren (2015-04-26 07:31:30) > > Hi, > > > > i'm current working on a regulator driver which should be able to change > > DC-DC > > clock frequency. > > > > Now here is my question. What is the prefered way to implement the clock > > handling? > > Fun question. I have a question for you: who are the consumers of this > DC-DC? Do the downstream, consuming devices care about "clock rate" of > your regulator? > > I'll hazard a guess that they do not care. DC-DC switching frequency is > an important aspect of power supply design, but switching frequency of a > power supply is not controlled by the clock framework in any example > that I am aware of. yes the consumers don't care. My intension for changing the switching frequency is to avoid interferences on HF band. > > > > > Option A): > > > > The regulator driver handles all internally (select clock source, set > > frequency). > > Mark should weigh in on this, but I think option A is correct. Maybe > something like regulator_set_mode could program your switching > frequency? A runtime configuration isn't necessary. In a earlier discussion we decided to use a devicetree property. Thanks Stefan _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
