Commit | Line | Data |
---|---|---|
8991ebd9 SMJ |
1 | Kernel driver ir35221 |
2 | ===================== | |
3 | ||
4 | Supported chips: | |
5 | * Infinion IR35221 | |
6 | Prefix: 'ir35221' | |
7 | Addresses scanned: - | |
8 | Datasheet: Datasheet is not publicly available. | |
9 | ||
10 | Author: Samuel Mendoza-Jonas <sam@mendozajonas.com> | |
11 | ||
12 | ||
13 | Description | |
14 | ----------- | |
15 | ||
16 | IR35221 is a Digital DC-DC Multiphase Converter | |
17 | ||
18 | ||
19 | Usage Notes | |
20 | ----------- | |
21 | ||
22 | This driver does not probe for PMBus devices. You will have to instantiate | |
23 | devices explicitly. | |
24 | ||
25 | Example: the following commands will load the driver for an IR35221 | |
26 | at address 0x70 on I2C bus #4: | |
27 | ||
28 | # modprobe ir35221 | |
29 | # echo ir35221 0x70 > /sys/bus/i2c/devices/i2c-4/new_device | |
30 | ||
31 | ||
32 | Sysfs attributes | |
33 | ---------------- | |
34 | ||
35 | curr1_label "iin" | |
36 | curr1_input Measured input current | |
37 | curr1_max Maximum current | |
38 | curr1_max_alarm Current high alarm | |
39 | ||
40 | curr[2-3]_label "iout[1-2]" | |
41 | curr[2-3]_input Measured output current | |
42 | curr[2-3]_crit Critical maximum current | |
43 | curr[2-3]_crit_alarm Current critical high alarm | |
44 | curr[2-3]_highest Highest output current | |
45 | curr[2-3]_lowest Lowest output current | |
46 | curr[2-3]_max Maximum current | |
47 | curr[2-3]_max_alarm Current high alarm | |
48 | ||
49 | in1_label "vin" | |
50 | in1_input Measured input voltage | |
51 | in1_crit Critical maximum input voltage | |
52 | in1_crit_alarm Input voltage critical high alarm | |
53 | in1_highest Highest input voltage | |
54 | in1_lowest Lowest input voltage | |
55 | in1_min Minimum input voltage | |
56 | in1_min_alarm Input voltage low alarm | |
57 | ||
58 | in[2-3]_label "vout[1-2]" | |
59 | in[2-3]_input Measured output voltage | |
60 | in[2-3]_lcrit Critical minimum output voltage | |
61 | in[2-3]_lcrit_alarm Output voltage critical low alarm | |
62 | in[2-3]_crit Critical maximum output voltage | |
63 | in[2-3]_crit_alarm Output voltage critical high alarm | |
64 | in[2-3]_highest Highest output voltage | |
65 | in[2-3]_lowest Lowest output voltage | |
66 | in[2-3]_max Maximum output voltage | |
67 | in[2-3]_max_alarm Output voltage high alarm | |
68 | in[2-3]_min Minimum output voltage | |
69 | in[2-3]_min_alarm Output voltage low alarm | |
70 | ||
71 | power1_label "pin" | |
72 | power1_input Measured input power | |
73 | power1_alarm Input power high alarm | |
74 | power1_max Input power limit | |
75 | ||
76 | power[2-3]_label "pout[1-2]" | |
77 | power[2-3]_input Measured output power | |
78 | power[2-3]_max Output power limit | |
79 | power[2-3]_max_alarm Output power high alarm | |
80 | ||
81 | temp[1-2]_input Measured temperature | |
82 | temp[1-2]_crit Critical high temperature | |
83 | temp[1-2]_crit_alarm Chip temperature critical high alarm | |
84 | temp[1-2]_highest Highest temperature | |
85 | temp[1-2]_lowest Lowest temperature | |
86 | temp[1-2]_max Maximum temperature | |
87 | temp[1-2]_max_alarm Chip temperature high alarm |