1Kernel driver max8688
2=====================
3
4Supported chips:
5  * Maxim MAX8688
6    Prefix: 'max8688'
7    Addresses scanned: -
8    Datasheet: http://datasheets.maxim-ic.com/en/ds/MAX8688.pdf
9
10Author: Guenter Roeck <guenter.roeck@ericsson.com>
11
12
13Description
14-----------
15
16This driver supports hardware montoring for Maxim MAX8688 Digital Power-Supply
17Controller/Monitor with PMBus Interface.
18
19The driver is a client driver to the core PMBus driver. Please see
20Documentation/hwmon/pmbus for details on PMBus client drivers.
21
22
23Usage Notes
24-----------
25
26This driver does not auto-detect devices. You will have to instantiate the
27devices explicitly. Please see Documentation/i2c/instantiating-devices for
28details.
29
30
31Platform data support
32---------------------
33
34The driver supports standard PMBus driver platform data.
35
36
37Sysfs entries
38-------------
39
40The following attributes are supported. Limits are read-write; all other
41attributes are read-only.
42
43in1_label		"vout1"
44in1_input		Measured voltage. From READ_VOUT register.
45in1_min			Minimum Voltage. From VOUT_UV_WARN_LIMIT register.
46in1_max			Maximum voltage. From VOUT_OV_WARN_LIMIT register.
47in1_lcrit		Critical minimum Voltage. VOUT_UV_FAULT_LIMIT register.
48in1_crit		Critical maximum voltage. From VOUT_OV_FAULT_LIMIT register.
49in1_min_alarm		Voltage low alarm. From VOLTAGE_UV_WARNING status.
50in1_max_alarm		Voltage high alarm. From VOLTAGE_OV_WARNING status.
51in1_lcrit_alarm		Voltage critical low alarm. From VOLTAGE_UV_FAULT status.
52in1_crit_alarm		Voltage critical high alarm. From VOLTAGE_OV_FAULT status.
53in1_highest		Historical maximum voltage.
54in1_reset_history	Write any value to reset history.
55
56curr1_label		"iout1"
57curr1_input		Measured current. From READ_IOUT register.
58curr1_max		Maximum current. From IOUT_OC_WARN_LIMIT register.
59curr1_crit		Critical maximum current. From IOUT_OC_FAULT_LIMIT register.
60curr1_max_alarm		Current high alarm. From IOUT_OC_WARN_LIMIT register.
61curr1_crit_alarm	Current critical high alarm. From IOUT_OC_FAULT status.
62curr1_highest		Historical maximum current.
63curr1_reset_history	Write any value to reset history.
64
65temp1_input		Measured temperature. From READ_TEMPERATURE_1 register.
66temp1_max		Maximum temperature. From OT_WARN_LIMIT register.
67temp1_crit		Critical high temperature. From OT_FAULT_LIMIT register.
68temp1_max_alarm		Chip temperature high alarm. Set by comparing
69			READ_TEMPERATURE_1 with OT_WARN_LIMIT if TEMP_OT_WARNING
70			status is set.
71temp1_crit_alarm	Chip temperature critical high alarm. Set by comparing
72			READ_TEMPERATURE_1 with OT_FAULT_LIMIT if TEMP_OT_FAULT
73			status is set.
74temp1_highest		Historical maximum temperature.
75temp1_reset_history	Write any value to reset history.
76