Hi Markus, On Tue, Apr 18, 2017 at 01:17:02PM -0700, Markus Mayer wrote: > From: Markus Mayer <mmayer@xxxxxxxxxxxx> > > This driver allows access to DRAM properties, such as the refresh rate, > via the Broadcom STB DDR PHY Front End (DPFE). The refresh rate can be > used as indirect indicator of the DRAM temperature. > > The driver also allows setting of the sampling interval. > > Signed-off-by: Markus Mayer <mmayer@xxxxxxxxxxxx> > --- [ ... ] > + > +static SENSOR_DEVICE_ATTR(dpfe_info, 0444, show_info, NULL, 1000); > +static SENSOR_DEVICE_ATTR(dpfe_refresh, 0644, show_refresh, store_refresh, > + 1000); > +static SENSOR_DEVICE_ATTR(dpfe_vendor, 0444, show_vendor, NULL, 1000); > +static struct attribute *dpfe_attrs[] = { > + &sensor_dev_attr_dpfe_info.dev_attr.attr, > + &sensor_dev_attr_dpfe_refresh.dev_attr.attr, > + &sensor_dev_attr_dpfe_vendor.dev_attr.attr, > + NULL > +}; > +ATTRIBUTE_GROUPS(dpfe); > + There is not a single standard hwmon attribute. I don't know how to classify this driver, and where it should reside, but it is not a hwmon driver. Thanks, Guenter -- 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