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Diffstat (limited to 'Documentation/hwmon/ibm-cffps.rst')
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diff --git a/Documentation/hwmon/ibm-cffps.rst b/Documentation/hwmon/ibm-cffps.rst new file mode 100644 index 000000000..ef8f3f806 --- /dev/null +++ b/Documentation/hwmon/ibm-cffps.rst @@ -0,0 +1,57 @@ +Kernel driver ibm-cffps +======================= + +Supported chips: + + * IBM Common Form Factor power supply + +Author: Eddie James <eajames@us.ibm.com> + +Description +----------- + +This driver supports IBM Common Form Factor (CFF) power supplies. This driver +is a client to the core PMBus driver. + +Usage Notes +----------- + +This driver does not auto-detect devices. You will have to instantiate the +devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for +details. + +Sysfs entries +------------- + +The following attributes are supported: + +======================= ====================================================== +curr1_alarm Output current over-current alarm. +curr1_input Measured output current in mA. +curr1_label "iout1" + +fan1_alarm Fan 1 warning. +fan1_fault Fan 1 fault. +fan1_input Fan 1 speed in RPM. +fan2_alarm Fan 2 warning. +fan2_fault Fan 2 fault. +fan2_input Fan 2 speed in RPM. + +in1_alarm Input voltage under-voltage alarm. +in1_input Measured input voltage in mV. +in1_label "vin" +in2_alarm Output voltage over-voltage alarm. +in2_input Measured output voltage in mV. +in2_label "vout1" + +power1_alarm Input fault or alarm. +power1_input Measured input power in uW. +power1_label "pin" + +temp1_alarm PSU inlet ambient temperature over-temperature alarm. +temp1_input Measured PSU inlet ambient temp in millidegrees C. +temp2_alarm Secondary rectifier temp over-temperature alarm. +temp2_input Measured secondary rectifier temp in millidegrees C. +temp3_alarm ORing FET temperature over-temperature alarm. +temp3_input Measured ORing FET temperature in millidegrees C. +======================= ====================================================== |