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