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