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diff --git a/Documentation/hwmon/corsair-psu.rst b/Documentation/hwmon/corsair-psu.rst new file mode 100644 index 000000000..6a03edb55 --- /dev/null +++ b/Documentation/hwmon/corsair-psu.rst @@ -0,0 +1,96 @@ +.. SPDX-License-Identifier: GPL-2.0-or-later + +Kernel driver corsair-psu +========================= + +Supported devices: + +* Corsair Power Supplies + + Corsair HX550i + + Corsair HX650i + + Corsair HX750i + + Corsair HX850i + + Corsair HX1000i (revision 1 and 2) + + Corsair HX1200i + + Corsair HX1500i + + Corsair RM550i + + Corsair RM650i + + Corsair RM750i + + Corsair RM850i + + Corsair RM1000i + +Author: Wilken Gottwalt + +Description +----------- + +This driver implements the sysfs interface for the Corsair PSUs with a HID protocol +interface of the HXi and RMi series. +These power supplies provide access to a micro-controller with 2 attached +temperature sensors, 1 fan rpm sensor, 4 sensors for volt levels, 4 sensors for +power usage and 4 sensors for current levels and addtional non-sensor information +like uptimes. + +Sysfs entries +------------- + +======================= ======================================================== +curr1_input Total current usage +curr2_input Current on the 12v psu rail +curr2_crit Current max critical value on the 12v psu rail +curr3_input Current on the 5v psu rail +curr3_crit Current max critical value on the 5v psu rail +curr4_input Current on the 3.3v psu rail +curr4_crit Current max critical value on the 3.3v psu rail +fan1_input RPM of psu fan +in0_input Voltage of the psu ac input +in1_input Voltage of the 12v psu rail +in1_crit Voltage max critical value on the 12v psu rail +in1_lcrit Voltage min critical value on the 12v psu rail +in2_input Voltage of the 5v psu rail +in2_crit Voltage max critical value on the 5v psu rail +in2_lcrit Voltage min critical value on the 5v psu rail +in3_input Voltage of the 3.3v psu rail +in3_crit Voltage max critical value on the 3.3v psu rail +in3_lcrit Voltage min critical value on the 3.3v psu rail +power1_input Total power usage +power2_input Power usage of the 12v psu rail +power3_input Power usage of the 5v psu rail +power4_input Power usage of the 3.3v psu rail +temp1_input Temperature of the psu vrm component +temp1_crit Temperature max cirtical value of the psu vrm component +temp2_input Temperature of the psu case +temp2_crit Temperature max critical value of psu case +======================= ======================================================== + +Usage Notes +----------- + +It is an USB HID device, so it is auto-detected and supports hot-swapping. + +Flickering values in the rail voltage levels can be an indicator for a failing +PSU. The driver also provides some additional useful values via debugfs, which +do not fit into the hwmon class. + +Debugfs entries +--------------- + +======================= ======================================================== +ocpmode Single or multi rail mode of the PCIe power connectors +product Product name of the psu +uptime Session uptime of the psu +uptime_total Total uptime of the psu +vendor Vendor name of the psu +======================= ======================================================== |