On Wed, 10 Sep 2014 18:28:39 +0200 Arnd Bergmann <arnd@xxxxxxxx> wrote: > On Wednesday 10 September 2014 17:59:41 Alban Bedel wrote: > > On Wed, 10 Sep 2014 17:51:36 +0200 > > Arnd Bergmann <arnd@xxxxxxxx> wrote: > > > > > On Wednesday 10 September 2014 17:43:42 Alban Bedel wrote: > > > > +- #pwm-cells: should be 3. See pwm.txt in this directory for a description of > > > > + the cells format. The only third cell flag supported by this binding is > > > > + PWM_POLARITY_INVERTED. > > > > > > If you don't have multiple pwm outputs or programmable period, I would say it > > > should use #pwm-cells=<1> and only pass the polarity. > > > > There is 3 channel, so 3 PWM from the API POV, and the period is > > independently programmable for each one. > > Then you should put the channel number into the first cell and the period > length into the second cell, as the pwm.txt document says. That's what is implemented in this patch, by using of_pwm_xlate_with_flags() for the .of_xlate callback. Alban
Attachment:
signature.asc
Description: PGP signature
