1 Kernel driver menf21bmc_hwmon 1 Kernel driver menf21bmc_hwmon
2 ============================= 2 =============================
3 3
4 Supported chips: 4 Supported chips:
5 5
6 * MEN 14F021P00 6 * MEN 14F021P00
7 7
8 Prefix: 'menf21bmc_hwmon' 8 Prefix: 'menf21bmc_hwmon'
9 9
10 Addresses scanned: - !! 10 Adresses scanned: -
11 11
12 Author: Andreas Werner <andreas.werner@men.de> 12 Author: Andreas Werner <andreas.werner@men.de>
13 13
14 Description 14 Description
15 ----------- 15 -----------
16 16
17 The menf21bmc is a Board Management Controller 17 The menf21bmc is a Board Management Controller (BMC) which provides an I2C
18 interface to the host to access the features i 18 interface to the host to access the features implemented in the BMC.
19 19
20 This driver gives access to the voltage monito 20 This driver gives access to the voltage monitoring feature of the main
21 voltages of the board. 21 voltages of the board.
22 The voltage sensors are connected to the ADC i 22 The voltage sensors are connected to the ADC inputs of the BMC which is
23 a PIC16F917 Mikrocontroller. 23 a PIC16F917 Mikrocontroller.
24 24
25 Usage Notes 25 Usage Notes
26 ----------- 26 -----------
27 27
28 This driver is part of the MFD driver named "m 28 This driver is part of the MFD driver named "menf21bmc" and does
29 not auto-detect devices. 29 not auto-detect devices.
30 You will have to instantiate the MFD driver ex 30 You will have to instantiate the MFD driver explicitly.
31 Please see Documentation/i2c/instantiating-dev 31 Please see Documentation/i2c/instantiating-devices.rst for
32 details. 32 details.
33 33
34 Sysfs entries 34 Sysfs entries
35 ------------- 35 -------------
36 36
37 The following attributes are supported. All at 37 The following attributes are supported. All attributes are read only
38 The Limits are read once by the driver. 38 The Limits are read once by the driver.
39 39
40 =============== ========================== 40 =============== ==========================
41 in0_input +3.3V input voltage 41 in0_input +3.3V input voltage
42 in1_input +5.0V input voltage 42 in1_input +5.0V input voltage
43 in2_input +12.0V input voltage 43 in2_input +12.0V input voltage
44 in3_input +5V Standby input voltage 44 in3_input +5V Standby input voltage
45 in4_input VBAT (on board battery) 45 in4_input VBAT (on board battery)
46 46
47 in[0-4]_min Minimum voltage limit 47 in[0-4]_min Minimum voltage limit
48 in[0-4]_max Maximum voltage limit 48 in[0-4]_max Maximum voltage limit
49 49
50 in0_label "MON_3_3V" 50 in0_label "MON_3_3V"
51 in1_label "MON_5V" 51 in1_label "MON_5V"
52 in2_label "MON_12V" 52 in2_label "MON_12V"
53 in3_label "5V_STANDBY" 53 in3_label "5V_STANDBY"
54 in4_label "VBAT" 54 in4_label "VBAT"
55 =============== ========================== 55 =============== ==========================
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