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