1 .. SPDX-License-Identifier: GPL-2.0 1 .. SPDX-License-Identifier: GPL-2.0
2 2
3 Kernel driver max16601 3 Kernel driver max16601
4 ====================== 4 ======================
5 5
6 Supported chips: 6 Supported chips:
7 7
8 * Maxim MAX16508 8 * Maxim MAX16508
9 9
10 Prefix: 'max16508' 10 Prefix: 'max16508'
11 11
12 Addresses scanned: - 12 Addresses scanned: -
13 13
14 Datasheet: Not published 14 Datasheet: Not published
15 15
16 * Maxim MAX16600 <<
17 <<
18 Prefix: 'max16600' <<
19 <<
20 Addresses scanned: - <<
21 <<
22 Datasheet: Not published <<
23 <<
24 * Maxim MAX16601 16 * Maxim MAX16601
25 17
26 Prefix: 'max16601' 18 Prefix: 'max16601'
27 19
28 Addresses scanned: - 20 Addresses scanned: -
29 21
30 Datasheet: Not published 22 Datasheet: Not published
31 23
32 * Maxim MAX16602 24 * Maxim MAX16602
33 25
34 Prefix: 'max16602' 26 Prefix: 'max16602'
35 27
36 Addresses scanned: - 28 Addresses scanned: -
37 29
38 Datasheet: https://datasheets.maximintegra 30 Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX16602.pdf
39 31
40 Author: Guenter Roeck <linux@roeck-us.net> 32 Author: Guenter Roeck <linux@roeck-us.net>
41 33
42 34
43 Description 35 Description
44 ----------- 36 -----------
45 37
46 This driver supports the MAX16508 VR13 Dual-Ou 38 This driver supports the MAX16508 VR13 Dual-Output Voltage Regulator
47 as well as the MAX16600, MAX16601, and MAX1660 !! 39 as well as the MAX16601 VR13.HC Dual-Output Voltage Regulator chipsets.
48 Voltage Regulator chipsets. <<
49 40
50 The driver is a client driver to the core PMBu 41 The driver is a client driver to the core PMBus driver.
51 Please see Documentation/hwmon/pmbus.rst for d 42 Please see Documentation/hwmon/pmbus.rst for details on PMBus client drivers.
52 43
53 44
54 Usage Notes 45 Usage Notes
55 ----------- 46 -----------
56 47
57 This driver does not auto-detect devices. You 48 This driver does not auto-detect devices. You will have to instantiate the
58 devices explicitly. Please see Documentation/i 49 devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
59 details. 50 details.
60 51
61 52
62 Platform data support 53 Platform data support
63 --------------------- 54 ---------------------
64 55
65 The driver supports standard PMBus driver plat 56 The driver supports standard PMBus driver platform data.
66 57
67 58
68 Sysfs entries 59 Sysfs entries
69 ------------- 60 -------------
70 61
71 The following attributes are supported. 62 The following attributes are supported.
72 63
73 =============================== ============== 64 =============================== ===============================================
74 in1_label "vin1" 65 in1_label "vin1"
75 in1_input VCORE input vo 66 in1_input VCORE input voltage.
76 in1_alarm Input voltage 67 in1_alarm Input voltage alarm.
77 68
78 in2_label "vout1" 69 in2_label "vout1"
79 in2_input VCORE output v 70 in2_input VCORE output voltage.
80 in2_alarm Output voltage 71 in2_alarm Output voltage alarm.
81 72
82 curr1_label "iin1" 73 curr1_label "iin1"
83 curr1_input VCORE input cu 74 curr1_input VCORE input current, derived from duty cycle
84 and output cur 75 and output current.
85 curr1_max Maximum input 76 curr1_max Maximum input current.
86 curr1_max_alarm Current high a 77 curr1_max_alarm Current high alarm.
87 78
88 curr[P+2]_label "iin1.P" 79 curr[P+2]_label "iin1.P"
89 curr[P+2]_input VCORE phase P 80 curr[P+2]_input VCORE phase P input current.
90 81
91 curr[N+2]_label "iin2" 82 curr[N+2]_label "iin2"
92 curr[N+2]_input VCORE input cu 83 curr[N+2]_input VCORE input current, derived from sensor
93 element. 84 element.
94 'N' is the num 85 'N' is the number of enabled/populated phases.
95 86
96 curr[N+3]_label "iin3" 87 curr[N+3]_label "iin3"
97 curr[N+3]_input VSA input curr 88 curr[N+3]_input VSA input current.
98 89
99 curr[N+4]_label "iout1" 90 curr[N+4]_label "iout1"
100 curr[N+4]_input VCORE output c 91 curr[N+4]_input VCORE output current.
101 curr[N+4]_crit Critical outpu 92 curr[N+4]_crit Critical output current.
102 curr[N+4]_crit_alarm Output current 93 curr[N+4]_crit_alarm Output current critical alarm.
103 curr[N+4]_max Maximum output 94 curr[N+4]_max Maximum output current.
104 curr[N+4]_max_alarm Output current 95 curr[N+4]_max_alarm Output current high alarm.
105 96
106 curr[N+P+5]_label "iout1.P" 97 curr[N+P+5]_label "iout1.P"
107 curr[N+P+5]_input VCORE phase P 98 curr[N+P+5]_input VCORE phase P output current.
108 99
109 curr[2*N+5]_label "iout3" 100 curr[2*N+5]_label "iout3"
110 curr[2*N+5]_input VSA output cur 101 curr[2*N+5]_input VSA output current.
111 curr[2*N+5]_highest Historical max 102 curr[2*N+5]_highest Historical maximum VSA output current.
112 curr[2*N+5]_reset_history Write any valu 103 curr[2*N+5]_reset_history Write any value to reset curr21_highest.
113 curr[2*N+5]_crit Critical outpu 104 curr[2*N+5]_crit Critical output current.
114 curr[2*N+5]_crit_alarm Output current 105 curr[2*N+5]_crit_alarm Output current critical alarm.
115 curr[2*N+5]_max Maximum output 106 curr[2*N+5]_max Maximum output current.
116 curr[2*N+5]_max_alarm Output current 107 curr[2*N+5]_max_alarm Output current high alarm.
117 108
118 power1_label "pin1" 109 power1_label "pin1"
119 power1_input Input power, d 110 power1_input Input power, derived from duty cycle and output
120 current. 111 current.
121 power1_alarm Input power al 112 power1_alarm Input power alarm.
122 113
123 power2_label "pin2" 114 power2_label "pin2"
124 power2_input Input power, d 115 power2_input Input power, derived from input current sensor.
125 116
126 power3_label "pout" 117 power3_label "pout"
127 power3_input Output power. 118 power3_input Output power.
128 119
129 temp1_input VCORE temperat 120 temp1_input VCORE temperature.
130 temp1_crit Critical high 121 temp1_crit Critical high temperature.
131 temp1_crit_alarm Chip temperatu 122 temp1_crit_alarm Chip temperature critical high alarm.
132 temp1_max Maximum temper 123 temp1_max Maximum temperature.
133 temp1_max_alarm Chip temperatu 124 temp1_max_alarm Chip temperature high alarm.
134 125
135 temp2_input TSENSE_0 tempe 126 temp2_input TSENSE_0 temperature
136 temp3_input TSENSE_1 tempe 127 temp3_input TSENSE_1 temperature
137 temp4_input TSENSE_2 tempe 128 temp4_input TSENSE_2 temperature
138 temp5_input TSENSE_3 tempe 129 temp5_input TSENSE_3 temperature
139 130
140 temp6_input VSA temperatur 131 temp6_input VSA temperature.
141 temp6_crit Critical high 132 temp6_crit Critical high temperature.
142 temp6_crit_alarm Chip temperatu 133 temp6_crit_alarm Chip temperature critical high alarm.
143 temp6_max Maximum temper 134 temp6_max Maximum temperature.
144 temp6_max_alarm Chip temperatu 135 temp6_max_alarm Chip temperature high alarm.
145 =============================== ============== 136 =============================== ===============================================
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