Message ID | 20200113150841.17670-7-vadimp@mellanox.com (mailing list archive) |
---|---|
State | Accepted |
Headers | show |
Series | hwmon: (pmbus) Add support for vid mode calculation per page bases | expand |
On Mon, Jan 13, 2020 at 03:08:41PM +0000, Vadim Pasternak wrote: > Add documentation for 'xdpe122' devices. > > Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> 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@mellanox.com> > + > +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**
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@mellanox.com> + +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**
Add documentation for 'xdpe122' devices. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> --- Documentation/hwmon/xdpe12284.rst | 101 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 Documentation/hwmon/xdpe12284.rst