Documentation/hwmon/max20751.rst

   1 Kernel driver max20751
   2 ======================
   3
   4 Supported chips:
   5
   6   * maxim MAX20751
   7
   8     Prefix: 'max20751'
   9
  10     Addresses scanned: -
  11
  12     Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX20751.pdf
  13
  14     Application note: http://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 ======================= =======================================================