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