Hi Jacopo, On Thu, Apr 6, 2017 at 4:20 PM, Jacopo Mondi <jacopo+renesas@xxxxxxxxxx> wrote: > Add documentation for max9611 driver. > Document attributes describing value of shunt resistor installed between > RS+ and RS- voltage sense inputs. > > Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx> > --- > Documentation/ABI/testing/sysfs-bus-iio-adc-max9611 | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-adc-max9611 > > diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-max9611 b/Documentation/ABI/testing/sysfs-bus-iio-adc-max9611 > new file mode 100644 > index 0000000..6d2d2b0 > --- /dev/null > +++ b/Documentation/ABI/testing/sysfs-bus-iio-adc-max9611 > @@ -0,0 +1,17 @@ > +What: /sys/bus/iio/devices/iio:deviceX/in_power_shunt_resistor > +Date: March 2017 > +KernelVersion: 4.12 > +Contact: linux-iio@xxxxxxxxxxxxxxx > +Description: The value of the shunt resistor used to compute power drain on > + common input voltage pin (RS+). In Ohms. > + > +What: /sys/bus/iio/devices/iio:deviceX/in_current_shunt_resistor > +Date: March 2017 > +KernelVersion: 4.12 > +Contact: linux-iio@xxxxxxxxxxxxxxx > +Description: The value of the shunt resistor used to compute current flowing > + between RS+ and RS- voltage sense inputs. In Ohms. > + > +These attributes describe a single physical component, exposed as two distinct > +attributes as it is used to calculate two different values: power load and > +current flowing between RS+ and RS- inputs. On my Salvator-X, the value is "5.000", which matches milli-Ohms? DT says: "shunt-resistor-micro-ohms = <5000>;" Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- 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