On Fri, Jun 29, 2018 at 10:19 AM Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx> wrote: > Add support for the drive strength configuration. Usually, this value is > expressed in mA. Since the numeric value depends on VDDIOP voltage, a > value we can't retrieve at runtime, the controller uses low, medium and > high to define the drive strength. > > The PIO controller accepts two values for the low drive configuration: 0 > and 1. Most of the time, we don't care about the drive strength. So we > keep the default value which is 0. The drive strength is advertised > through the sysfs only when it has been explicitly set in the device > tree i.e. if its value is different from 0. > > Signed-off-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx> > --- > > Changes: > - v2: use atmel,drive-strength property instead of drive-strengh one > since it is not expressend in mA and there is no way to retrieve this > value at runtime. Patch applied with Rob's ACK! Yours, Linus Walleij -- 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
