1 Kernel driver max20751 1 Kernel driver max20751
2 ====================== 2 ======================
3 3
4 Supported chips: 4 Supported chips:
5 5
6 * maxim MAX20751 6 * maxim MAX20751
7 7
8 Prefix: 'max20751' 8 Prefix: 'max20751'
9 9
10 Addresses scanned: - 10 Addresses scanned: -
11 11
12 Datasheet: https://datasheets.maximintegra 12 Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20751.pdf
13 13
14 Application note: https://pdfserv.maximint 14 Application note: https://pdfserv.maximintegrated.com/en/an/AN5941.pdf
15 15
16 Author: Guenter Roeck <linux@roeck-us.net> 16 Author: Guenter Roeck <linux@roeck-us.net>
17 17
18 18
19 Description 19 Description
20 ----------- 20 -----------
21 21
22 This driver supports MAX20751 Multiphase Maste 22 This driver supports MAX20751 Multiphase Master with PMBus Interface
23 and Internal Buck Converter. 23 and Internal Buck Converter.
24 24
25 The driver is a client driver to the core PMBu 25 The driver is a client driver to the core PMBus driver.
26 Please see Documentation/hwmon/pmbus.rst for d 26 Please see Documentation/hwmon/pmbus.rst for details on PMBus client drivers.
27 27
28 28
29 Usage Notes 29 Usage Notes
30 ----------- 30 -----------
31 31
32 This driver does not auto-detect devices. You 32 This driver does not auto-detect devices. You will have to instantiate the
33 devices explicitly. Please see Documentation/i 33 devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
34 details. 34 details.
35 35
36 36
37 Platform data support 37 Platform data support
38 --------------------- 38 ---------------------
39 39
40 The driver supports standard PMBus driver plat 40 The driver supports standard PMBus driver platform data.
41 41
42 42
43 Sysfs entries 43 Sysfs entries
44 ------------- 44 -------------
45 45
46 The following attributes are supported. 46 The following attributes are supported.
47 47
48 ======================= ====================== 48 ======================= =======================================================
49 in1_label "vin1" 49 in1_label "vin1"
50 in1_input Measured voltage. 50 in1_input Measured voltage.
51 in1_min Minimum input voltage. 51 in1_min Minimum input voltage.
52 in1_max Maximum input voltage. 52 in1_max Maximum input voltage.
53 in1_lcrit Critical minimum input 53 in1_lcrit Critical minimum input voltage.
54 in1_crit Critical maximum input 54 in1_crit Critical maximum input voltage.
55 in1_min_alarm Input voltage low alar 55 in1_min_alarm Input voltage low alarm.
56 in1_lcrit_alarm Input voltage critical 56 in1_lcrit_alarm Input voltage critical low alarm.
57 in1_min_alarm Input voltage low alar 57 in1_min_alarm Input voltage low alarm.
58 in1_max_alarm Input voltage high ala 58 in1_max_alarm Input voltage high alarm.
59 59
60 in2_label "vout1" 60 in2_label "vout1"
61 in2_input Measured voltage. 61 in2_input Measured voltage.
62 in2_min Minimum output voltage 62 in2_min Minimum output voltage.
63 in2_max Maximum output voltage 63 in2_max Maximum output voltage.
64 in2_lcrit Critical minimum outpu 64 in2_lcrit Critical minimum output voltage.
65 in2_crit Critical maximum outpu 65 in2_crit Critical maximum output voltage.
66 in2_min_alarm Output voltage low ala 66 in2_min_alarm Output voltage low alarm.
67 in2_lcrit_alarm Output voltage critica 67 in2_lcrit_alarm Output voltage critical low alarm.
68 in2_min_alarm Output voltage low ala 68 in2_min_alarm Output voltage low alarm.
69 in2_max_alarm Output voltage high al 69 in2_max_alarm Output voltage high alarm.
70 70
71 curr1_input Measured output curren 71 curr1_input Measured output current.
72 curr1_label "iout1" 72 curr1_label "iout1"
73 curr1_max Maximum output current 73 curr1_max Maximum output current.
74 curr1_alarm Current high alarm. 74 curr1_alarm Current high alarm.
75 75
76 temp1_input Measured temperature. 76 temp1_input Measured temperature.
77 temp1_max Maximum temperature. 77 temp1_max Maximum temperature.
78 temp1_crit Critical high temperat 78 temp1_crit Critical high temperature.
79 temp1_max_alarm Chip temperature high 79 temp1_max_alarm Chip temperature high alarm.
80 temp1_crit_alarm Chip temperature criti 80 temp1_crit_alarm Chip temperature critical high alarm.
81 81
82 power1_input Output power. 82 power1_input Output power.
83 power1_label "pout1" 83 power1_label "pout1"
84 ======================= ====================== 84 ======================= =======================================================
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