xref: /linux/Documentation/hwmon/ibm-cffps.rst (revision eceb995e04b74204c73f9dd0ccb19061d5082063)
1Kernel driver ibm-cffps
2=======================
3
4Supported chips:
5
6  * IBM Common Form Factor power supply
7
8Author: Eddie James <eajames@us.ibm.com>
9
10Description
11-----------
12
13This driver supports IBM Common Form Factor (CFF) power supplies. This driver
14is a client to the core PMBus driver.
15
16Usage Notes
17-----------
18
19This driver does not auto-detect devices. You will have to instantiate the
20devices explicitly. Please see Documentation/i2c/instantiating-devices for
21details.
22
23Sysfs entries
24-------------
25
26The following attributes are supported:
27
28======================= ======================================================
29curr1_alarm		Output current over-current alarm.
30curr1_input		Measured output current in mA.
31curr1_label		"iout1"
32
33fan1_alarm		Fan 1 warning.
34fan1_fault		Fan 1 fault.
35fan1_input		Fan 1 speed in RPM.
36fan2_alarm		Fan 2 warning.
37fan2_fault		Fan 2 fault.
38fan2_input		Fan 2 speed in RPM.
39
40in1_alarm		Input voltage under-voltage alarm.
41in1_input		Measured input voltage in mV.
42in1_label		"vin"
43in2_alarm		Output voltage over-voltage alarm.
44in2_input		Measured output voltage in mV.
45in2_label		"vout1"
46
47power1_alarm		Input fault or alarm.
48power1_input		Measured input power in uW.
49power1_label		"pin"
50
51temp1_alarm		PSU inlet ambient temperature over-temperature alarm.
52temp1_input		Measured PSU inlet ambient temp in millidegrees C.
53temp2_alarm		Secondary rectifier temp over-temperature alarm.
54temp2_input		Measured secondary rectifier temp in millidegrees C.
55temp3_alarm		ORing FET temperature over-temperature alarm.
56temp3_input		Measured ORing FET temperature in millidegrees C.
57======================= ======================================================
58