| Andreas Werner | 9643569 | 2014-08-27 19:53:06 +0200 | [diff] [blame] | 1 | Kernel driver menf21bmc_hwmon |
| 2 | ============================= |
| 3 | |
| 4 | Supported chips: |
| Mauro Carvalho Chehab | de6f291 | 2019-04-17 06:46:11 -0300 | [diff] [blame] | 5 | |
| Andreas Werner | 9643569 | 2014-08-27 19:53:06 +0200 | [diff] [blame] | 6 | * MEN 14F021P00 |
| Mauro Carvalho Chehab | de6f291 | 2019-04-17 06:46:11 -0300 | [diff] [blame] | 7 | |
| Andreas Werner | 9643569 | 2014-08-27 19:53:06 +0200 | [diff] [blame] | 8 | Prefix: 'menf21bmc_hwmon' |
| Mauro Carvalho Chehab | de6f291 | 2019-04-17 06:46:11 -0300 | [diff] [blame] | 9 | |
| Andreas Werner | 9643569 | 2014-08-27 19:53:06 +0200 | [diff] [blame] | 10 | Adresses scanned: - |
| 11 | |
| 12 | Author: Andreas Werner <andreas.werner@men.de> |
| 13 | |
| 14 | Description |
| 15 | ----------- |
| 16 | |
| 17 | The menf21bmc is a Board Management Controller (BMC) which provides an I2C |
| 18 | interface to the host to access the features implemented in the BMC. |
| 19 | |
| 20 | This driver gives access to the voltage monitoring feature of the main |
| 21 | voltages of the board. |
| 22 | The voltage sensors are connected to the ADC inputs of the BMC which is |
| 23 | a PIC16F917 Mikrocontroller. |
| 24 | |
| 25 | Usage Notes |
| 26 | ----------- |
| 27 | |
| 28 | This driver is part of the MFD driver named "menf21bmc" and does |
| 29 | not auto-detect devices. |
| 30 | You will have to instantiate the MFD driver explicitly. |
| Mauro Carvalho Chehab | ccf988b | 2019-07-26 09:51:16 -0300 | [diff] [blame] | 31 | Please see Documentation/i2c/instantiating-devices.rst for |
| Andreas Werner | 9643569 | 2014-08-27 19:53:06 +0200 | [diff] [blame] | 32 | details. |
| 33 | |
| 34 | Sysfs entries |
| 35 | ------------- |
| 36 | |
| 37 | The following attributes are supported. All attributes are read only |
| 38 | The Limits are read once by the driver. |
| 39 | |
| Mauro Carvalho Chehab | de6f291 | 2019-04-17 06:46:11 -0300 | [diff] [blame] | 40 | =============== ========================== |
| Andreas Werner | 9643569 | 2014-08-27 19:53:06 +0200 | [diff] [blame] | 41 | in0_input +3.3V input voltage |
| 42 | in1_input +5.0V input voltage |
| 43 | in2_input +12.0V input voltage |
| 44 | in3_input +5V Standby input voltage |
| 45 | in4_input VBAT (on board battery) |
| 46 | |
| 47 | in[0-4]_min Minimum voltage limit |
| 48 | in[0-4]_max Maximum voltage limit |
| 49 | |
| 50 | in0_label "MON_3_3V" |
| 51 | in1_label "MON_5V" |
| 52 | in2_label "MON_12V" |
| 53 | in3_label "5V_STANDBY" |
| 54 | in4_label "VBAT" |
| Mauro Carvalho Chehab | de6f291 | 2019-04-17 06:46:11 -0300 | [diff] [blame] | 55 | =============== ========================== |