65 lines
2.0 KiB
Plaintext
65 lines
2.0 KiB
Plaintext
|
Kernel driver tps40422
|
||
|
|
======================
|
||
|
|
|
||
|
|
Supported chips:
|
||
|
|
* TI TPS40422
|
||
|
|
Prefix: 'tps40422'
|
||
|
|
Addresses scanned: -
|
||
|
|
Datasheet: http://www.ti.com/lit/gpn/tps40422
|
||
|
|
|
||
|
|
Author: Zhu Laiwen <richard.zhu@nsn.com>
|
||
|
|
|
||
|
|
|
||
|
|
Description
|
||
|
|
-----------
|
||
|
|
|
||
|
|
This driver supports TI TPS40422 Dual-Output or Two-Phase Synchronous Buck
|
||
|
|
Controller with PMBus
|
||
|
|
|
||
|
|
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.
|
||
|
|
|
||
|
|
in[1-2]_label "vout[1-2]"
|
||
|
|
in[1-2]_input Measured voltage. From READ_VOUT register.
|
||
|
|
in[1-2]_alarm voltage alarm.
|
||
|
|
|
||
|
|
curr[1-2]_input Measured current. From READ_IOUT register.
|
||
|
|
curr[1-2]_label "iout[1-2]"
|
||
|
|
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 status.
|
||
|
|
curr1_crit_alarm Current critical high alarm. From IOUT_OC_FAULT status.
|
||
|
|
curr2_alarm Current high alarm. From IOUT_OC_WARNING status.
|
||
|
|
|
||
|
|
temp1_input Measured temperature. From READ_TEMPERATURE_2 register on page 0.
|
||
|
|
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_2 on page 0 with OT_WARN_LIMIT if TEMP_OT_WARNING
|
||
|
|
status is set.
|
||
|
|
temp1_crit_alarm Chip temperature critical high alarm. Set by comparing
|
||
|
|
READ_TEMPERATURE_2 on page 0 with OT_FAULT_LIMIT if TEMP_OT_FAULT
|
||
|
|
status is set.
|
||
|
|
temp2_input Measured temperature. From READ_TEMPERATURE_2 register on page 1.
|
||
|
|
temp2_alarm Chip temperature alarm on page 1.
|