1 Kernel driver lm25066 1 Kernel driver lm25066
2 ===================== 2 =====================
3 3
4 Supported chips: 4 Supported chips:
5 5
6 * TI LM25056 6 * TI LM25056
7 7
8 Prefix: 'lm25056' 8 Prefix: 'lm25056'
9 9
10 Addresses scanned: - 10 Addresses scanned: -
11 11
12 Datasheets: 12 Datasheets:
13 13
14 https://www.ti.com/lit/gpn/lm25056 14 https://www.ti.com/lit/gpn/lm25056
15 15
16 https://www.ti.com/lit/gpn/lm25056a 16 https://www.ti.com/lit/gpn/lm25056a
17 17
18 * National Semiconductor LM25066 18 * National Semiconductor LM25066
19 19
20 Prefix: 'lm25066' 20 Prefix: 'lm25066'
21 21
22 Addresses scanned: - 22 Addresses scanned: -
23 23
24 Datasheets: 24 Datasheets:
25 25
26 http://www.national.com/pf/LM/LM25066. 26 http://www.national.com/pf/LM/LM25066.html
27 27
28 http://www.national.com/pf/LM/LM25066A 28 http://www.national.com/pf/LM/LM25066A.html
29 29
30 * National Semiconductor LM5064 30 * National Semiconductor LM5064
31 31
32 Prefix: 'lm5064' 32 Prefix: 'lm5064'
33 33
34 Addresses scanned: - 34 Addresses scanned: -
35 35
36 Datasheet: 36 Datasheet:
37 37
38 http://www.national.com/pf/LM/LM5064.h 38 http://www.national.com/pf/LM/LM5064.html
39 39
40 * National Semiconductor LM5066 40 * National Semiconductor LM5066
41 41
42 Prefix: 'lm5066' 42 Prefix: 'lm5066'
43 43
44 Addresses scanned: - 44 Addresses scanned: -
45 45
46 Datasheet: 46 Datasheet:
47 47
48 http://www.national.com/pf/LM/LM5066.h 48 http://www.national.com/pf/LM/LM5066.html
49 49
50 * Texas Instruments LM5066I 50 * Texas Instruments LM5066I
51 51
52 Prefix: 'lm5066i' 52 Prefix: 'lm5066i'
53 53
54 Addresses scanned: - 54 Addresses scanned: -
55 55
56 Datasheet: 56 Datasheet:
57 57
58 https://www.ti.com/product/LM5066I 58 https://www.ti.com/product/LM5066I
59 59
60 60
61 Author: Guenter Roeck <linux@roeck-us.net> 61 Author: Guenter Roeck <linux@roeck-us.net>
62 62
63 63
64 Description 64 Description
65 ----------- 65 -----------
66 66
67 This driver supports hardware monitoring for N 67 This driver supports hardware monitoring for National Semiconductor / TI LM25056,
68 LM25066, LM5064, and LM5066/LM5066I Power Mana 68 LM25066, LM5064, and LM5066/LM5066I Power Management, Monitoring,
69 Control, and Protection ICs. 69 Control, and Protection ICs.
70 70
71 The driver is a client driver to the core PMBu 71 The driver is a client driver to the core PMBus driver. Please see
72 Documentation/hwmon/pmbus.rst for details on P 72 Documentation/hwmon/pmbus.rst for details on PMBus client drivers.
73 73
74 74
75 Usage Notes 75 Usage Notes
76 ----------- 76 -----------
77 77
78 This driver does not auto-detect devices. You 78 This driver does not auto-detect devices. You will have to instantiate the
79 devices explicitly. Please see Documentation/i 79 devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
80 details. 80 details.
81 81
82 The shunt (sense) resistor value can be config 82 The shunt (sense) resistor value can be configured by a device tree property;
83 see Documentation/devicetree/bindings/hwmon/pm 83 see Documentation/devicetree/bindings/hwmon/pmbus/ti,lm25066.yaml for details.
84 84
85 Platform data support 85 Platform data support
86 --------------------- 86 ---------------------
87 87
88 The driver supports standard PMBus driver plat 88 The driver supports standard PMBus driver platform data.
89 89
90 90
91 Sysfs entries 91 Sysfs entries
92 ------------- 92 -------------
93 93
94 The following attributes are supported. Limits 94 The following attributes are supported. Limits are read-write; all other
95 attributes are read-only. 95 attributes are read-only.
96 96
97 ======================= ====================== 97 ======================= =======================================================
98 in1_label "vin" 98 in1_label "vin"
99 in1_input Measured input voltage 99 in1_input Measured input voltage.
100 in1_average Average measured input 100 in1_average Average measured input voltage.
101 in1_min Minimum input voltage. 101 in1_min Minimum input voltage.
102 in1_max Maximum input voltage. 102 in1_max Maximum input voltage.
103 in1_min_alarm Input voltage low alar 103 in1_min_alarm Input voltage low alarm.
104 in1_max_alarm Input voltage high ala 104 in1_max_alarm Input voltage high alarm.
105 105
106 in2_label "vmon" 106 in2_label "vmon"
107 in2_input Measured voltage on VA 107 in2_input Measured voltage on VAUX pin
108 in2_min Minimum VAUX voltage ( 108 in2_min Minimum VAUX voltage (LM25056 only).
109 in2_max Maximum VAUX voltage ( 109 in2_max Maximum VAUX voltage (LM25056 only).
110 in2_min_alarm VAUX voltage low alarm 110 in2_min_alarm VAUX voltage low alarm (LM25056 only).
111 in2_max_alarm VAUX voltage high alar 111 in2_max_alarm VAUX voltage high alarm (LM25056 only).
112 112
113 in3_label "vout1" 113 in3_label "vout1"
114 Not supported on LM250 114 Not supported on LM25056.
115 in3_input Measured output voltag 115 in3_input Measured output voltage.
116 in3_average Average measured outpu 116 in3_average Average measured output voltage.
117 in3_min Minimum output voltage 117 in3_min Minimum output voltage.
118 in3_min_alarm Output voltage low ala 118 in3_min_alarm Output voltage low alarm.
119 119
120 curr1_label "iin" 120 curr1_label "iin"
121 curr1_input Measured input current 121 curr1_input Measured input current.
122 curr1_average Average measured input 122 curr1_average Average measured input current.
123 curr1_max Maximum input current. 123 curr1_max Maximum input current.
124 curr1_max_alarm Input current high ala 124 curr1_max_alarm Input current high alarm.
125 125
126 power1_label "pin" 126 power1_label "pin"
127 power1_input Measured input power. 127 power1_input Measured input power.
128 power1_average Average measured input 128 power1_average Average measured input power.
129 power1_max Maximum input power li 129 power1_max Maximum input power limit.
130 power1_alarm Input power alarm 130 power1_alarm Input power alarm
131 power1_input_highest Historical maximum pow 131 power1_input_highest Historical maximum power.
132 power1_reset_history Write any value to res 132 power1_reset_history Write any value to reset maximum power history.
133 133
134 temp1_input Measured temperature. 134 temp1_input Measured temperature.
135 temp1_max Maximum temperature. 135 temp1_max Maximum temperature.
136 temp1_crit Critical high temperat 136 temp1_crit Critical high temperature.
137 temp1_max_alarm Chip temperature high 137 temp1_max_alarm Chip temperature high alarm.
138 temp1_crit_alarm Chip temperature criti 138 temp1_crit_alarm Chip temperature critical high alarm.
139 ======================= ====================== 139 ======================= =======================================================
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