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.. SPDX-License-Identifier: GPL-2.0
Kernel driver max16601
======================
Supported chips:
* Maxim MAX16508
Prefix: 'max16508'
Addresses scanned: -
Datasheet: Not published
* Maxim MAX16600
Prefix: 'max16600'
Addresses scanned: -
Datasheet: Not published
* Maxim MAX16601
Prefix: 'max16601'
Addresses scanned: -
Datasheet: Not published
* Maxim MAX16602
Prefix: 'max16602'
Addresses scanned: -
Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX16602.pdf
Author: Guenter Roeck <linux@roeck-us.net>
Description
-----------
This driver supports the MAX16508 VR13 Dual-Output Voltage Regulator
as well as the MAX16600, MAX16601, and MAX16602 VR13.HC Dual-Output
Voltage Regulator chipsets.
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.
=============================== ===============================================
in1_label "vin1"
in1_input VCORE input voltage.
in1_alarm Input voltage alarm.
in2_label "vout1"
in2_input VCORE output voltage.
in2_alarm Output voltage alarm.
curr1_label "iin1"
curr1_input VCORE input current, derived from duty cycle
and output current.
curr1_max Maximum input current.
curr1_max_alarm Current high alarm.
curr[P+2]_label "iin1.P"
curr[P+2]_input VCORE phase P input current.
curr[N+2]_label "iin2"
curr[N+2]_input VCORE input current, derived from sensor
element.
'N' is the number of enabled/populated phases.
curr[N+3]_label "iin3"
curr[N+3]_input VSA input current.
curr[N+4]_label "iout1"
curr[N+4]_input VCORE output current.
curr[N+4]_crit Critical output current.
curr[N+4]_crit_alarm Output current critical alarm.
curr[N+4]_max Maximum output current.
curr[N+4]_max_alarm Output current high alarm.
curr[N+P+5]_label "iout1.P"
curr[N+P+5]_input VCORE phase P output current.
curr[2*N+5]_label "iout3"
curr[2*N+5]_input VSA output current.
curr[2*N+5]_highest Historical maximum VSA output current.
curr[2*N+5]_reset_history Write any value to reset curr21_highest.
curr[2*N+5]_crit Critical output current.
curr[2*N+5]_crit_alarm Output current critical alarm.
curr[2*N+5]_max Maximum output current.
curr[2*N+5]_max_alarm Output current high alarm.
power1_label "pin1"
power1_input Input power, derived from duty cycle and output
current.
power1_alarm Input power alarm.
power2_label "pin2"
power2_input Input power, derived from input current sensor.
power3_label "pout"
power3_input Output power.
temp1_input VCORE temperature.
temp1_crit Critical high temperature.
temp1_crit_alarm Chip temperature critical high alarm.
temp1_max Maximum temperature.
temp1_max_alarm Chip temperature high alarm.
temp2_input TSENSE_0 temperature
temp3_input TSENSE_1 temperature
temp4_input TSENSE_2 temperature
temp5_input TSENSE_3 temperature
temp6_input VSA temperature.
temp6_crit Critical high temperature.
temp6_crit_alarm Chip temperature critical high alarm.
temp6_max Maximum temperature.
temp6_max_alarm Chip temperature high alarm.
=============================== ===============================================
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