1.. SPDX-License-Identifier: GPL-2.0 2 3Kernel driver max16601 4====================== 5 6Supported 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 40Author: Guenter Roeck <linux@roeck-us.net> 41 42 43Description 44----------- 45 46This driver supports the MAX16508 VR13 Dual-Output Voltage Regulator 47as well as the MAX16600, MAX16601, and MAX16602 VR13.HC Dual-Output 48Voltage Regulator chipsets. 49 50The driver is a client driver to the core PMBus driver. 51Please see Documentation/hwmon/pmbus.rst for details on PMBus client drivers. 52 53 54Usage Notes 55----------- 56 57This driver does not auto-detect devices. You will have to instantiate the 58devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for 59details. 60 61 62Platform data support 63--------------------- 64 65The driver supports standard PMBus driver platform data. 66 67 68Sysfs entries 69------------- 70 71The following attributes are supported. 72 73=============================== =============================================== 74in1_label "vin1" 75in1_input VCORE input voltage. 76in1_alarm Input voltage alarm. 77 78in2_label "vout1" 79in2_input VCORE output voltage. 80in2_alarm Output voltage alarm. 81 82curr1_label "iin1" 83curr1_input VCORE input current, derived from duty cycle 84 and output current. 85curr1_max Maximum input current. 86curr1_max_alarm Current high alarm. 87 88curr[P+2]_label "iin1.P" 89curr[P+2]_input VCORE phase P input current. 90 91curr[N+2]_label "iin2" 92curr[N+2]_input VCORE input current, derived from sensor 93 element. 94 'N' is the number of enabled/populated phases. 95 96curr[N+3]_label "iin3" 97curr[N+3]_input VSA input current. 98 99curr[N+4]_label "iout1" 100curr[N+4]_input VCORE output current. 101curr[N+4]_crit Critical output current. 102curr[N+4]_crit_alarm Output current critical alarm. 103curr[N+4]_max Maximum output current. 104curr[N+4]_max_alarm Output current high alarm. 105 106curr[N+P+5]_label "iout1.P" 107curr[N+P+5]_input VCORE phase P output current. 108 109curr[2*N+5]_label "iout3" 110curr[2*N+5]_input VSA output current. 111curr[2*N+5]_highest Historical maximum VSA output current. 112curr[2*N+5]_reset_history Write any value to reset curr21_highest. 113curr[2*N+5]_crit Critical output current. 114curr[2*N+5]_crit_alarm Output current critical alarm. 115curr[2*N+5]_max Maximum output current. 116curr[2*N+5]_max_alarm Output current high alarm. 117 118power1_label "pin1" 119power1_input Input power, derived from duty cycle and output 120 current. 121power1_alarm Input power alarm. 122 123power2_label "pin2" 124power2_input Input power, derived from input current sensor. 125 126power3_label "pout" 127power3_input Output power. 128 129temp1_input VCORE temperature. 130temp1_crit Critical high temperature. 131temp1_crit_alarm Chip temperature critical high alarm. 132temp1_max Maximum temperature. 133temp1_max_alarm Chip temperature high alarm. 134 135temp2_input TSENSE_0 temperature 136temp3_input TSENSE_1 temperature 137temp4_input TSENSE_2 temperature 138temp5_input TSENSE_3 temperature 139 140temp6_input VSA temperature. 141temp6_crit Critical high temperature. 142temp6_crit_alarm Chip temperature critical high alarm. 143temp6_max Maximum temperature. 144temp6_max_alarm Chip temperature high alarm. 145=============================== =============================================== 146