On 5/30/19, 12:45 PM, "Guenter Roeck" <groeck7@xxxxxxxxx on behalf of linux@xxxxxxxxxxxx> wrote: On Thu, May 30, 2019 at 06:51:52PM +0000, Vijay Khemka wrote: > > > On 5/29/19, 6:05 PM, "Guenter Roeck" <groeck7@xxxxxxxxx on behalf of linux@xxxxxxxxxxxx> wrote: > > On 5/29/19 3:35 PM, Vijay Khemka wrote: > > Added support for Infenion PXE1610 driver > > > > Signed-off-by: Vijay Khemka <vijaykhemka@xxxxxx> > > --- > > Documentation/hwmon/pxe1610 | 84 +++++++++++++++++++++++++++++++++++++ > > 1 file changed, 84 insertions(+) > > create mode 100644 Documentation/hwmon/pxe1610 > > > > diff --git a/Documentation/hwmon/pxe1610 b/Documentation/hwmon/pxe1610 > > new file mode 100644 > > index 000000000000..b5c83edf027a > > --- /dev/null > > +++ b/Documentation/hwmon/pxe1610 > > @@ -0,0 +1,84 @@ > > +Kernel driver pxe1610 > > +===================== > > + > > +Supported chips: > > + * Infinion PXE1610 > > + Prefix: 'pxe1610' > > + Addresses scanned: - > > + Datasheet: Datasheet is not publicly available. > > + > > + * Infinion PXE1110 > > + Prefix: 'pxe1110' > > + Addresses scanned: - > > + Datasheet: Datasheet is not publicly available. > > + > > + * Infinion PXM1310 > > + Prefix: 'pxm1310' > > + Addresses scanned: - > > + Datasheet: Datasheet is not publicly available. > > + > > +Author: Vijay Khemka <vijaykhemka@xxxxxx> > > + > > + > > +Description > > +----------- > > + > > +PXE1610 is a Multi-rail/Multiphase Digital Controllers and > > +it is compliant to Intel VR13 DC-DC converter specifications. > > + > > And the others ? > This supports VR12 as well and I don't see this controller supports any other VR versions. > The point here is that there is no description of the other controllers. Ok, I get it, mainly all 3 controllers are from same family of Infineon controller but I will add details here. > > + > > +Usage Notes > > +----------- > > + > > +This driver can be enabled with kernel config CONFIG_SENSORS_PXE1610 > > +set to 'y' or 'm'(for module). > > + > The above does not really add value. > Ok, I will remove it. > > > +This driver does not probe for PMBus devices. You will have > > +to instantiate devices explicitly. > > + > > +Example: the following commands will load the driver for an PXE1610 > > +at address 0x70 on I2C bus #4: > > + > > +# modprobe pxe1610 > > +# echo pxe1610 0x70 > /sys/bus/i2c/devices/i2c-4/new_device > > + > > +It can also be instantiated by declaring in device tree if it is > > +built as a kernel not as a module. > > + > > I assume you mean "built into the kernel". > Why would devicetree based instantiation not work if the driver is built > as module ? > Will correct statement here. > > > + > > +Sysfs attributes > > +---------------- > > + > > +curr1_label "iin" > > +curr1_input Measured input current > > +curr1_alarm Current high alarm > > + > > +curr[2-4]_label "iout[1-3]" > > +curr[2-4]_input Measured output current > > +curr[2-4]_crit Critical maximum current > > +curr[2-4]_crit_alarm Current critical high alarm > > + > > +in1_label "vin" > > +in1_input Measured input voltage > > +in1_crit Critical maximum input voltage > > +in1_crit_alarm Input voltage critical high alarm > > + > > +in[2-4]_label "vout[1-3]" > > +in[2-4]_input Measured output voltage > > +in[2-4]_lcrit Critical minimum output voltage > > +in[2-4]_lcrit_alarm Output voltage critical low alarm > > +in[2-4]_crit Critical maximum output voltage > > +in[2-4]_crit_alarm Output voltage critical high alarm > > + > > +power1_label "pin" > > +power1_input Measured input power > > +power1_alarm Input power high alarm > > + > > +power[2-4]_label "pout[1-3]" > > +power[2-4]_input Measured output power > > + > > +temp[1-3]_input Measured temperature > > +temp[1-3]_crit Critical high temperature > > +temp[1-3]_crit_alarm Chip temperature critical high alarm > > +temp[1-3]_max Maximum temperature > > +temp[1-3]_max_alarm Chip temperature high alarm > > > > >