mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-24 19:10:52 +07:00
ccf988b66d
Convert each file at I2C subsystem, renaming them to .rst and adding to the driver-api book. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
74 lines
2.2 KiB
ReStructuredText
74 lines
2.2 KiB
ReStructuredText
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.rst 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.rst 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.
|
|
======================= =======================================================
|