projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 96435693 AW |
1 | Kernel driver menf21bmc_hwmon |
| 2 | ============================= | |
| 3 | ||
| 4 | Supported chips: | |
| 5 | * MEN 14F021P00 | |
| 6 | Prefix: 'menf21bmc_hwmon' | |
| 7 | Adresses scanned: - | |
| 8 | ||
| 9 | Author: Andreas Werner <andreas.werner@men.de> | |
| 10 | ||
| 11 | Description | |
| 12 | ----------- | |
| 13 | ||
| 14 | The menf21bmc is a Board Management Controller (BMC) which provides an I2C | |
| 15 | interface to the host to access the features implemented in the BMC. | |
| 16 | ||
| 17 | This driver gives access to the voltage monitoring feature of the main | |
| 18 | voltages of the board. | |
| 19 | The voltage sensors are connected to the ADC inputs of the BMC which is | |
| 20 | a PIC16F917 Mikrocontroller. | |
| 21 | ||
| 22 | Usage Notes | |
| 23 | ----------- | |
| 24 | ||
| 25 | This driver is part of the MFD driver named "menf21bmc" and does | |
| 26 | not auto-detect devices. | |
| 27 | You will have to instantiate the MFD driver explicitly. | |
| 28 | Please see Documentation/i2c/instantiating-devices for | |
| 29 | details. | |
| 30 | ||
| 31 | Sysfs entries | |
| 32 | ------------- | |
| 33 | ||
| 34 | The following attributes are supported. All attributes are read only | |
| 35 | The Limits are read once by the driver. | |
| 36 | ||
| 37 | in0_input +3.3V input voltage | |
| 38 | in1_input +5.0V input voltage | |
| 39 | in2_input +12.0V input voltage | |
| 40 | in3_input +5V Standby input voltage | |
| 41 | in4_input VBAT (on board battery) | |
| 42 | ||
| 43 | in[0-4]_min Minimum voltage limit | |
| 44 | in[0-4]_max Maximum voltage limit | |
| 45 | ||
| 46 | in0_label "MON_3_3V" | |
| 47 | in1_label "MON_5V" | |
| 48 | in2_label "MON_12V" | |
| 49 | in3_label "5V_STANDBY" | |
| 50 | in4_label "VBAT" |