On Mon, Jan 13, 2020 at 03:08:41PM +0000, Vadim Pasternak wrote: > Add documentation for 'xdpe122' devices. > > Signed-off-by: Vadim Pasternak <vadimp@xxxxxxxxxxxx> Applied to hwmon-next (and added to index.rst). Thanks, Guenter > --- > Documentation/hwmon/xdpe12284.rst | 101 ++++++++++++++++++++++++++++++++++++++ > 1 file changed, 101 insertions(+) > create mode 100644 Documentation/hwmon/xdpe12284.rst > > diff --git a/Documentation/hwmon/xdpe12284.rst b/Documentation/hwmon/xdpe12284.rst > new file mode 100644 > index 000000000000..6b7ae98cc536 > --- /dev/null > +++ b/Documentation/hwmon/xdpe12284.rst > @@ -0,0 +1,101 @@ > +.. SPDX-License-Identifier: GPL-2.0 > + > +Kernel driver xdpe122 > +===================== > + > +Supported chips: > + > + * Infineon XDPE12254 > + > + Prefix: 'xdpe12254' > + > + * Infineon XDPE12284 > + > + Prefix: 'xdpe12284' > + > +Authors: > + > + Vadim Pasternak <vadimp@xxxxxxxxxxxx> > + > +Description > +----------- > + > +This driver implements support for Infineon Multi-phase XDPE122 family > +dual loop voltage regulators. > +The family includes XDPE12284 and XDPE12254 devices. > +The devices from this family complaint with: > +- Intel VR13 and VR13HC rev 1.3, IMVP8 rev 1.2 and IMPVP9 rev 1.3 DC-DC > + converter specification. > +- Intel SVID rev 1.9. protocol. > +- PMBus rev 1.3 interface. > + > +Devices support linear format for reading input voltage, input and output current, > +input and output power and temperature. > +Device supports VID format for reading output voltage. The below modes are > +supported: > +- VR12.0 mode, 5-mV DAC - 0x01. > +- VR12.5 mode, 10-mV DAC - 0x02. > +- IMVP9 mode, 5-mV DAC - 0x03. > +- AMD mode 6.25mV - 0x10. > + > +Devices support two pages for telemetry. > + > +The driver provides for current: input, maximum and critical thresholds > +and maximum and critical alarms. Critical thresholds and critical alarm are > +supported only for current output. > +The driver exports the following attributes for via the sysfs files, where > +indexes 1, 2 are for "iin" and 3, 4 for "iout": > + > +**curr[3-4]_crit** > + > +**curr[3-4]_crit_alarm** > + > +**curr[1-4]_input** > + > +**curr[1-4]_label** > + > +**curr[1-4]_max** > + > +**curr[1-4]_max_alarm** > + > +The driver provides for voltage: input, critical and low critical thresholds > +and critical and low critical alarms. > +The driver exports the following attributes for via the sysfs files, where > +indexes 1, 2 are for "vin" and 3, 4 for "vout": > + > +**in[1-4]_crit** > + > +**in[1-4_crit_alarm** > + > +**in[1-4]_input** > + > +**in[1-4_label** > + > +**in[1-4]_lcrit** > + > +**in[1-41_lcrit_alarm** > + > +The driver provides for power: input and alarms. Power alarm is supported only > +for power input. > +The driver exports the following attributes for via the sysfs files, where > +indexes 1, 2 are for "pin" and 3, 4 for "pout": > + > +**power[1-2]_alarm** > + > +**power[1-4]_input** > + > +**power[1-4]_label** > + > +The driver provides for temperature: input, maximum and critical thresholds > +and maximum and critical alarms. > +The driver exports the following attributes for via the sysfs files: > + > +**temp[1-2]_crit** > + > +**temp[1-2]_crit_alarm** > + > +**temp[1-2]_input** > + > +**temp[1-2]_max** > + > +**temp[1-2]_max_alarm**
