On Thu, May 30, 2019 at 04:11:57PM -0700, Vijay Khemka wrote: > Added support for Infenion PXE1610 driver > Applied, after fixing s/Infenion/Infineon/ s/Infinion/Infineon/ Guenter > Signed-off-by: Vijay Khemka <vijaykhemka@xxxxxx> > --- > Changes in v2: > incorporated all the feedback from Guenter Roeck <linux@xxxxxxxxxxxx> > > Documentation/hwmon/pxe1610 | 90 +++++++++++++++++++++++++++++++++++++ > 1 file changed, 90 insertions(+) > create mode 100644 Documentation/hwmon/pxe1610 > > diff --git a/Documentation/hwmon/pxe1610 b/Documentation/hwmon/pxe1610 > new file mode 100644 > index 000000000000..24825db8736f > --- /dev/null > +++ b/Documentation/hwmon/pxe1610 > @@ -0,0 +1,90 @@ > +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/PXE1110 are Multi-rail/Multiphase Digital Controllers > +and compliant to > + -- Intel VR13 DC-DC converter specifications. > + -- Intel SVID protocol. > +Used for Vcore power regulation for Intel VR13 based microprocessors > + -- Servers, Workstations, and High-end desktops > + > +PXM1310 is a Multi-rail Controllers and it is compliant to > + -- Intel VR13 DC-DC converter specifications. > + -- Intel SVID protocol. > +Used for DDR3/DDR4 Memory power regulation for Intel VR13 and > +IMVP8 based systems > + > + > +Usage Notes > +----------- > + > +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 > + > + > +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
