xref: /linux/Documentation/hwmon/d1u74t.rst (revision 0eaed89c18aeedf0898baf2dbf5ff027c6795152)
1*ef68b3dbSAbdurrahman Hussain.. SPDX-License-Identifier: GPL-2.0-or-later
2*ef68b3dbSAbdurrahman Hussain
3*ef68b3dbSAbdurrahman HussainKernel driver d1u74t
4*ef68b3dbSAbdurrahman Hussain====================
5*ef68b3dbSAbdurrahman Hussain
6*ef68b3dbSAbdurrahman HussainSupported chips:
7*ef68b3dbSAbdurrahman Hussain
8*ef68b3dbSAbdurrahman Hussain  * Murata D1U74T
9*ef68b3dbSAbdurrahman Hussain
10*ef68b3dbSAbdurrahman Hussain    Prefix: 'd1u74t'
11*ef68b3dbSAbdurrahman Hussain
12*ef68b3dbSAbdurrahman Hussain    Addresses scanned: -
13*ef68b3dbSAbdurrahman Hussain
14*ef68b3dbSAbdurrahman Hussain    Datasheet: Publicly available at the Murata website
15*ef68b3dbSAbdurrahman Hussain
16*ef68b3dbSAbdurrahman HussainAuthors:
17*ef68b3dbSAbdurrahman Hussain    Abdurrahman Hussain <abdurrahman@nexthop.ai>
18*ef68b3dbSAbdurrahman Hussain
19*ef68b3dbSAbdurrahman Hussain
20*ef68b3dbSAbdurrahman HussainDescription
21*ef68b3dbSAbdurrahman Hussain-----------
22*ef68b3dbSAbdurrahman Hussain
23*ef68b3dbSAbdurrahman HussainThis driver implements support for Murata D1U74T Power Supply with
24*ef68b3dbSAbdurrahman HussainPMBus support.
25*ef68b3dbSAbdurrahman Hussain
26*ef68b3dbSAbdurrahman HussainThe driver is a client driver to the core PMBus driver.
27*ef68b3dbSAbdurrahman HussainPlease see Documentation/hwmon/pmbus.rst for details on PMBus client drivers.
28*ef68b3dbSAbdurrahman Hussain
29*ef68b3dbSAbdurrahman Hussain
30*ef68b3dbSAbdurrahman HussainUsage Notes
31*ef68b3dbSAbdurrahman Hussain-----------
32*ef68b3dbSAbdurrahman Hussain
33*ef68b3dbSAbdurrahman HussainThis driver does not auto-detect devices. You will have to instantiate the
34*ef68b3dbSAbdurrahman Hussaindevices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
35*ef68b3dbSAbdurrahman Hussaindetails.
36*ef68b3dbSAbdurrahman Hussain
37*ef68b3dbSAbdurrahman Hussain
38*ef68b3dbSAbdurrahman HussainSysfs entries
39*ef68b3dbSAbdurrahman Hussain-------------
40*ef68b3dbSAbdurrahman Hussain
41*ef68b3dbSAbdurrahman Hussain======================= ======================================================
42*ef68b3dbSAbdurrahman Hussaincurr1_label		"iin"
43*ef68b3dbSAbdurrahman Hussaincurr1_input		Measured input current
44*ef68b3dbSAbdurrahman Hussaincurr1_alarm		Input current alarm
45*ef68b3dbSAbdurrahman Hussaincurr1_rated_max		Maximum rated input current
46*ef68b3dbSAbdurrahman Hussain
47*ef68b3dbSAbdurrahman Hussaincurr2_label		"iout1"
48*ef68b3dbSAbdurrahman Hussaincurr2_input		Measured output current
49*ef68b3dbSAbdurrahman Hussaincurr2_max		Maximum output current
50*ef68b3dbSAbdurrahman Hussaincurr2_max_alarm		Output current high alarm
51*ef68b3dbSAbdurrahman Hussaincurr2_crit		Critical high output current
52*ef68b3dbSAbdurrahman Hussaincurr2_crit_alarm	Output current critical high alarm
53*ef68b3dbSAbdurrahman Hussaincurr2_rated_max		Maximum rated output current
54*ef68b3dbSAbdurrahman Hussain
55*ef68b3dbSAbdurrahman Hussainin1_label		"vin"
56*ef68b3dbSAbdurrahman Hussainin1_input		Measured input voltage
57*ef68b3dbSAbdurrahman Hussainin1_alarm		Input voltage alarm
58*ef68b3dbSAbdurrahman Hussainin1_rated_min		Minimum rated input voltage
59*ef68b3dbSAbdurrahman Hussainin1_rated_max		Maximum rated input voltage
60*ef68b3dbSAbdurrahman Hussain
61*ef68b3dbSAbdurrahman Hussainin2_label		"vout1"
62*ef68b3dbSAbdurrahman Hussainin2_input		Measured output voltage
63*ef68b3dbSAbdurrahman Hussainin2_alarm		Output voltage alarm
64*ef68b3dbSAbdurrahman Hussainin2_rated_min		Minimum rated output voltage
65*ef68b3dbSAbdurrahman Hussainin2_rated_max		Maximum rated output voltage
66*ef68b3dbSAbdurrahman Hussain
67*ef68b3dbSAbdurrahman Hussainpower1_label		"pin"
68*ef68b3dbSAbdurrahman Hussainpower1_input		Measured input power
69*ef68b3dbSAbdurrahman Hussainpower1_alarm		Input power alarm
70*ef68b3dbSAbdurrahman Hussainpower1_rated_max	Maximum rated input power
71*ef68b3dbSAbdurrahman Hussain
72*ef68b3dbSAbdurrahman Hussaintemp[1-3]_input		Measured temperature
73*ef68b3dbSAbdurrahman Hussaintemp[1-3]_max		Maximum temperature
74*ef68b3dbSAbdurrahman Hussaintemp[1-3]_max_alarm	Maximum temperature alarm
75*ef68b3dbSAbdurrahman Hussaintemp[1-3]_rated_max	Maximum rated temperature
76*ef68b3dbSAbdurrahman Hussain
77*ef68b3dbSAbdurrahman Hussainfan1_alarm		Fan 1 warning
78*ef68b3dbSAbdurrahman Hussainfan1_fault		Fan 1 fault
79*ef68b3dbSAbdurrahman Hussainfan1_input		Fan 1 speed in RPM
80*ef68b3dbSAbdurrahman Hussainfan1_target		Fan 1 target
81*ef68b3dbSAbdurrahman Hussain======================= ======================================================
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