1 .. SPDX-License-Identifier: GPL-2.0
2
3 Kernel driver lt7182s
4 =====================
5
6 Supported chips:
7
8 * ADI LT7182S
9
10 Prefix: 'lt7182s'
11
12 Addresses scanned: -
13
14 Datasheet: https://www.analog.com/en/produ
15
16 Author: Guenter Roeck <linux@roeck-us.net>
17
18
19 Description
20 -----------
21
22 LT7182S is a Dual Channel 6A, 20V PolyPhase St
23 Digital Power System Management support.
24
25
26 Usage Notes
27 -----------
28
29 This driver does not probe for PMBus devices.
30 devices explicitly.
31
32 Example: the following commands will load the
33 at address 0x4f on I2C bus #4::
34
35 # modprobe lt7182s
36 # echo lt7182s 0x4f > /sys/bus/i2c/devices
37
38 It can also be instantiated by declaring an en
39
40
41 Sysfs attributes
42 ----------------
43
44 ======================= ======================
45 curr[1-2]_label "iin[12]"
46 curr[1-2]_input Measured input current
47 curr[1-2]_max Maximum input current
48 curr[1-2]_max_alarm Current high alarm
49
50 curr[3-4]_label "iout[1-2]"
51 curr[3-4]_input Measured output curren
52 curr[3-4]_highest Highest measured outpu
53 curr[3-4]_max Maximum output current
54 curr[3-4]_max_alarm Output current high al
55
56 in[1-2]_label "vin[12]"
57 in[1-2]_input Measured input voltage
58 in[1-2]_highest Highest measured input
59 in[1-2]_crit Critical maximum input
60 in[1-2]_crit_alarm Input voltage critical
61 in[1-2]_min Minimum input voltage
62 in[1-2]_min_alarm Input voltage low alar
63 in[1-2]_rated_min Rated minimum input vo
64 in[1-2]_rated_max Rated maximum input vo
65 in1_reset_history Write to reset history
66
67 in[3-5]_label "vmon[1-3]"
68 in[3-5]_input Measured voltage on IT
69 Only available if enab
70 command.
71
72 in[3-4|6-7]_label "vout[1-2]"
73 in[3-4|6-7]_input Measured output voltag
74 in[3-4|6-7]_highest Highest measured outpu
75 in[3-4|6-7]_lcrit Critical minimum outpu
76 in[3-4|6-7]_lcrit_alarm Output voltage critica
77 in[3-4|6-7]_min Minimum output voltage
78 in[3-4|6-7]_max_alarm Output voltage low ala
79 in[3-4|6-7]_max Maximum output voltage
80 in[3-4|6-7]_max_alarm Output voltage high al
81 in[3-4|6-7]_crit Critical maximum outpu
82 in[3-4|6-7]_crit_alarm Output voltage critica
83
84 power[1-2]_label "pout[1-2]"
85 power[1-2]_input Measured output power
86
87 temp1_input Measured temperature
88 temp1_crit Critical high temperat
89 temp1_crit_alarm Chip temperature criti
90 temp1_max Maximum temperature
91 temp1_max_alarm Chip temperature high
92 ======================= ======================
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