1 .. SPDX-License-Identifier: GPL-2.0-or-later
2
3 Kernel driver ltc4286
4 =====================
5
6 Supported chips:
7
8 * Analog Devices LTC4286
9
10 Prefix: 'ltc4286'
11
12 Addresses scanned: -
13
14 Datasheet: https://www.analog.com/media/en
15
16 * Analog Devices LTC4287
17
18 Prefix: 'ltc4287'
19
20 Addresses scanned: -
21
22 Datasheet: https://www.analog.com/media/en
23
24 Author: Delphine CC Chiu <Delphine_CC_Chiu@Wiwy
25
26
27 Description
28 -----------
29
30 This driver supports hardware monitoring for A
31 and LTC4287 Hot-Swap Controller and Digital Po
32
33 LTC4286 and LTC4287 are hot-swap controllers t
34 to be removed from or inserted into a live bac
35 current and voltage readback via an integrated
36 converter (ADC), accessed using a PMBus interf
37
38 The driver is a client driver to the core PMBu
39 Documentation/hwmon/pmbus.rst for details on P
40
41
42 Usage Notes
43 -----------
44
45 This driver does not auto-detect devices. You
46 devices explicitly. Please see Documentation/i
47 details.
48
49 The shunt value in micro-ohms can be set via d
50 refer to the Documentation/devicetree/bindings
51 if the device tree is used.
52
53
54 Platform data support
55 ---------------------
56
57 The driver supports standard PMBus driver plat
58 Documentation/hwmon/pmbus.rst for details.
59
60
61 Sysfs entries
62 -------------
63
64 The following attributes are supported. Limits
65 attributes are write-only, all other attribute
66
67 ======================= ======================
68 in1_label "vin"
69 in1_input Measured voltage.
70 in1_alarm Input voltage alarm.
71 in1_min Minimum input voltage.
72 in1_max Maximum input voltage.
73
74 in2_label "vout1"
75 in2_input Measured voltage.
76 in2_alarm Output voltage alarm.
77 in2_min Minimum output voltage
78 in2_max Maximum output voltage
79
80 curr1_label "iout1"
81 curr1_input Measured current.
82 curr1_alarm Output current alarm.
83 curr1_max Maximum current.
84
85 power1_label "pin"
86 power1_input Input power.
87 power1_alarm Input power alarm.
88 power1_max Maximum poewr.
89
90 temp1_input Chip temperature.
91 temp1_min Minimum chip temperatu
92 temp1_max Maximum chip temperatu
93 temp1_crit Critical chip temperat
94 temp1_alarm Chip temperature alarm
95 ======================= ======================
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