1 Kernel driver max16064 1 Kernel driver max16064
2 ====================== 2 ======================
3 3
4 Supported chips: 4 Supported chips:
5 5
6 * Maxim MAX16064 6 * Maxim MAX16064
7 7
8 Prefix: 'max16064' 8 Prefix: 'max16064'
9 9
10 Addresses scanned: - 10 Addresses scanned: -
11 11
12 Datasheet: http://datasheets.maxim-ic.com/ 12 Datasheet: http://datasheets.maxim-ic.com/en/ds/MAX16064.pdf
13 13
14 Author: Guenter Roeck <linux@roeck-us.net> 14 Author: Guenter Roeck <linux@roeck-us.net>
15 15
16 16
17 Description 17 Description
18 ----------- 18 -----------
19 19
20 This driver supports hardware monitoring for M 20 This driver supports hardware monitoring for Maxim MAX16064 Quad Power-Supply
21 Controller with Active-Voltage Output Control 21 Controller with Active-Voltage Output Control and PMBus Interface.
22 22
23 The driver is a client driver to the core PMBu 23 The driver is a client driver to the core PMBus driver.
24 Please see Documentation/hwmon/pmbus.rst for d 24 Please see Documentation/hwmon/pmbus.rst for details on PMBus client drivers.
25 25
26 26
27 Usage Notes 27 Usage Notes
28 ----------- 28 -----------
29 29
30 This driver does not auto-detect devices. You 30 This driver does not auto-detect devices. You will have to instantiate the
31 devices explicitly. Please see Documentation/i 31 devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
32 details. 32 details.
33 33
34 34
35 Platform data support 35 Platform data support
36 --------------------- 36 ---------------------
37 37
38 The driver supports standard PMBus driver plat 38 The driver supports standard PMBus driver platform data.
39 39
40 40
41 Sysfs entries 41 Sysfs entries
42 ------------- 42 -------------
43 43
44 The following attributes are supported. Limits 44 The following attributes are supported. Limits are read-write; all other
45 attributes are read-only. 45 attributes are read-only.
46 46
47 ======================= ====================== 47 ======================= ========================================================
48 in[1-4]_label "vout[1-4]" 48 in[1-4]_label "vout[1-4]"
49 in[1-4]_input Measured voltage. From 49 in[1-4]_input Measured voltage. From READ_VOUT register.
50 in[1-4]_min Minimum Voltage. From 50 in[1-4]_min Minimum Voltage. From VOUT_UV_WARN_LIMIT register.
51 in[1-4]_max Maximum voltage. From 51 in[1-4]_max Maximum voltage. From VOUT_OV_WARN_LIMIT register.
52 in[1-4]_lcrit Critical minimum Volta 52 in[1-4]_lcrit Critical minimum Voltage. VOUT_UV_FAULT_LIMIT register.
53 in[1-4]_crit Critical maximum volta 53 in[1-4]_crit Critical maximum voltage. From VOUT_OV_FAULT_LIMIT
54 register. 54 register.
55 in[1-4]_min_alarm Voltage low alarm. Fro 55 in[1-4]_min_alarm Voltage low alarm. From VOLTAGE_UV_WARNING status.
56 in[1-4]_max_alarm Voltage high alarm. Fr 56 in[1-4]_max_alarm Voltage high alarm. From VOLTAGE_OV_WARNING status.
57 in[1-4]_lcrit_alarm Voltage critical low a 57 in[1-4]_lcrit_alarm Voltage critical low alarm. From VOLTAGE_UV_FAULT
58 status. 58 status.
59 in[1-4]_crit_alarm Voltage critical high 59 in[1-4]_crit_alarm Voltage critical high alarm. From VOLTAGE_OV_FAULT
60 status. 60 status.
61 in[1-4]_highest Historical maximum vol 61 in[1-4]_highest Historical maximum voltage.
62 in[1-4]_reset_history Write any value to res 62 in[1-4]_reset_history Write any value to reset history.
63 63
64 temp1_input Measured temperature. 64 temp1_input Measured temperature. From READ_TEMPERATURE_1 register.
65 temp1_max Maximum temperature. F 65 temp1_max Maximum temperature. From OT_WARN_LIMIT register.
66 temp1_crit Critical high temperat 66 temp1_crit Critical high temperature. From OT_FAULT_LIMIT register.
67 temp1_max_alarm Chip temperature high 67 temp1_max_alarm Chip temperature high alarm. Set by comparing
68 READ_TEMPERATURE_1 wit 68 READ_TEMPERATURE_1 with OT_WARN_LIMIT if TEMP_OT_WARNING
69 status is set. 69 status is set.
70 temp1_crit_alarm Chip temperature criti 70 temp1_crit_alarm Chip temperature critical high alarm. Set by comparing
71 READ_TEMPERATURE_1 wit 71 READ_TEMPERATURE_1 with OT_FAULT_LIMIT if TEMP_OT_FAULT
72 status is set. 72 status is set.
73 temp1_highest Historical maximum tem 73 temp1_highest Historical maximum temperature.
74 temp1_reset_history Write any value to res 74 temp1_reset_history Write any value to reset history.
75 ======================= ====================== 75 ======================= ========================================================
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