40e47125e6
Signed-off-by: Masanari Iida <standby24x7@gmail.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2.6 KiB
Kernel driver max8688
Supported chips:
- Maxim MAX8688 Prefix: 'max8688' Addresses scanned: - Datasheet: http://datasheets.maxim-ic.com/en/ds/MAX8688.pdf
Author: Guenter Roeck guenter.roeck@ericsson.com
Description
This driver supports hardware montoring for Maxim MAX8688 Digital Power-Supply Controller/Monitor with PMBus Interface.
The driver is a client driver to the core PMBus driver. Please see Documentation/hwmon/pmbus for details on PMBus client drivers.
Usage Notes
This driver does not auto-detect devices. You will have to instantiate the devices explicitly. Please see Documentation/i2c/instantiating-devices for details.
Platform data support
The driver supports standard PMBus driver platform data.
Sysfs entries
The following attributes are supported. Limits are read-write; all other attributes are read-only.
in1_label "vout1" in1_input Measured voltage. From READ_VOUT register. in1_min Minimum Voltage. From VOUT_UV_WARN_LIMIT register. in1_max Maximum voltage. From VOUT_OV_WARN_LIMIT register. in1_lcrit Critical minimum Voltage. VOUT_UV_FAULT_LIMIT register. in1_crit Critical maximum voltage. From VOUT_OV_FAULT_LIMIT register. in1_min_alarm Voltage low alarm. From VOLTAGE_UV_WARNING status. in1_max_alarm Voltage high alarm. From VOLTAGE_OV_WARNING status. in1_lcrit_alarm Voltage critical low alarm. From VOLTAGE_UV_FAULT status. in1_crit_alarm Voltage critical high alarm. From VOLTAGE_OV_FAULT status. in1_highest Historical maximum voltage. in1_reset_history Write any value to reset history.
curr1_label "iout1" curr1_input Measured current. From READ_IOUT register. curr1_max Maximum current. From IOUT_OC_WARN_LIMIT register. curr1_crit Critical maximum current. From IOUT_OC_FAULT_LIMIT register. curr1_max_alarm Current high alarm. From IOUT_OC_WARN_LIMIT register. curr1_crit_alarm Current critical high alarm. From IOUT_OC_FAULT status. curr1_highest Historical maximum current. curr1_reset_history Write any value to reset history.
temp1_input Measured temperature. From READ_TEMPERATURE_1 register. temp1_max Maximum temperature. From OT_WARN_LIMIT register. temp1_crit Critical high temperature. From OT_FAULT_LIMIT register. temp1_max_alarm Chip temperature high alarm. Set by comparing READ_TEMPERATURE_1 with OT_WARN_LIMIT if TEMP_OT_WARNING status is set. temp1_crit_alarm Chip temperature critical high alarm. Set by comparing READ_TEMPERATURE_1 with OT_FAULT_LIMIT if TEMP_OT_FAULT status is set. temp1_highest Historical maximum temperature. temp1_reset_history Write any value to reset history.