Quoting Thierry Reding (2014-09-23 01:51:31) > On Wed, Sep 10, 2014 at 10:05:17PM +0200, Janusz Użycki wrote: > > Hi, > > > > http://patchwork.ozlabs.org/patch/359069/ > > https://lkml.org/lkml/2014/6/12/186 > > > > Will the patch ever included to linux-next? > > I've never seen this patch before. From a quick look it doesn't seem > like it would work as is, but the idea is certainly interesting. If > somebody decides to continue work on it, please Cc me and the linux-pwm > mailing list. I just merged a gpio-controlled clock gate and I'm fine with a PWM clock output. Janusz, how are you testing the clock driver? Regards, Mike > > > pwm_config() API could be extended to support > > not only period [ns] and duty [ns] time > > but also frequency [Hz] and duty cycle fraction [1/1000?] > > (instead of time in ns) as parameters. > > Then ns (rounded by pwm) to freq. conversion problem > > inclk_pwm_recalc_rate() usingpwm_get_period() > > could be avoided. > > To extend the API pwm_config() can support > > new flags forduty_ns and period_ns, > > eg. PWM_DUTY_PERCENT and PWM_PERIOD_HZ. > > Is that rounding really a problem? Also the PWM chips will most likely > use the concept of period and duty-cycle internally anyway, so it will > convert back from Hz/percentage to nanoseconds and fall victim to > similar rounding effects. > > Thierry -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
