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Commit | Line | Data |
---|---|---|
8991ebd9 SMJ |
1 | Kernel driver ir35221 |
2 | ===================== | |
3 | ||
4 | Supported chips: | |
c49b7b39 | 5 | * Infineon IR35221 |
1f234ff1 | 6 | |
8991ebd9 | 7 | Prefix: 'ir35221' |
1f234ff1 | 8 | |
8991ebd9 | 9 | Addresses scanned: - |
1f234ff1 | 10 | |
8991ebd9 SMJ |
11 | Datasheet: Datasheet is not publicly available. |
12 | ||
13 | Author: Samuel Mendoza-Jonas <[email protected]> | |
14 | ||
15 | ||
16 | Description | |
17 | ----------- | |
18 | ||
19 | IR35221 is a Digital DC-DC Multiphase Converter | |
20 | ||
21 | ||
22 | Usage Notes | |
23 | ----------- | |
24 | ||
25 | This driver does not probe for PMBus devices. You will have to instantiate | |
26 | devices explicitly. | |
27 | ||
28 | Example: the following commands will load the driver for an IR35221 | |
1f234ff1 | 29 | at address 0x70 on I2C bus #4:: |
8991ebd9 | 30 | |
1f234ff1 MCC |
31 | # modprobe ir35221 |
32 | # echo ir35221 0x70 > /sys/bus/i2c/devices/i2c-4/new_device | |
8991ebd9 SMJ |
33 | |
34 | ||
35 | Sysfs attributes | |
36 | ---------------- | |
37 | ||
1f234ff1 | 38 | ======================= ======================================================= |
8991ebd9 SMJ |
39 | curr1_label "iin" |
40 | curr1_input Measured input current | |
41 | curr1_max Maximum current | |
42 | curr1_max_alarm Current high alarm | |
43 | ||
44 | curr[2-3]_label "iout[1-2]" | |
45 | curr[2-3]_input Measured output current | |
46 | curr[2-3]_crit Critical maximum current | |
47 | curr[2-3]_crit_alarm Current critical high alarm | |
48 | curr[2-3]_highest Highest output current | |
49 | curr[2-3]_lowest Lowest output current | |
50 | curr[2-3]_max Maximum current | |
51 | curr[2-3]_max_alarm Current high alarm | |
52 | ||
53 | in1_label "vin" | |
54 | in1_input Measured input voltage | |
55 | in1_crit Critical maximum input voltage | |
56 | in1_crit_alarm Input voltage critical high alarm | |
57 | in1_highest Highest input voltage | |
58 | in1_lowest Lowest input voltage | |
59 | in1_min Minimum input voltage | |
60 | in1_min_alarm Input voltage low alarm | |
61 | ||
62 | in[2-3]_label "vout[1-2]" | |
63 | in[2-3]_input Measured output voltage | |
64 | in[2-3]_lcrit Critical minimum output voltage | |
65 | in[2-3]_lcrit_alarm Output voltage critical low alarm | |
66 | in[2-3]_crit Critical maximum output voltage | |
67 | in[2-3]_crit_alarm Output voltage critical high alarm | |
68 | in[2-3]_highest Highest output voltage | |
69 | in[2-3]_lowest Lowest output voltage | |
70 | in[2-3]_max Maximum output voltage | |
71 | in[2-3]_max_alarm Output voltage high alarm | |
72 | in[2-3]_min Minimum output voltage | |
73 | in[2-3]_min_alarm Output voltage low alarm | |
74 | ||
75 | power1_label "pin" | |
76 | power1_input Measured input power | |
77 | power1_alarm Input power high alarm | |
78 | power1_max Input power limit | |
79 | ||
80 | power[2-3]_label "pout[1-2]" | |
81 | power[2-3]_input Measured output power | |
82 | power[2-3]_max Output power limit | |
83 | power[2-3]_max_alarm Output power high alarm | |
84 | ||
85 | temp[1-2]_input Measured temperature | |
86 | temp[1-2]_crit Critical high temperature | |
87 | temp[1-2]_crit_alarm Chip temperature critical high alarm | |
88 | temp[1-2]_highest Highest temperature | |
89 | temp[1-2]_lowest Lowest temperature | |
90 | temp[1-2]_max Maximum temperature | |
91 | temp[1-2]_max_alarm Chip temperature high alarm | |
1f234ff1 | 92 | ======================= ======================================================= |