Documentation/hwmon/lm25066

   1 Kernel driver lm25066
   2 =====================
   3
   4 Supported chips:
   5   * TI LM25056
   6     Prefix: 'lm25056'
   7     Addresses scanned: -
   8     Datasheets:
   9         http://www.ti.com/lit/gpn/lm25056
  10         http://www.ti.com/lit/gpn/lm25056a
  11   * National Semiconductor LM25066
  12     Prefix: 'lm25066'
  13     Addresses scanned: -
  14     Datasheets:
  15         http://www.national.com/pf/LM/LM25066.html
  16         http://www.national.com/pf/LM/LM25066A.html
  17   * National Semiconductor LM5064
  18     Prefix: 'lm5064'
  19     Addresses scanned: -
  20     Datasheet:
  21         http://www.national.com/pf/LM/LM5064.html
  22   * National Semiconductor LM5066
  23     Prefix: 'lm5066'
  24     Addresses scanned: -
  25     Datasheet:
  26         http://www.national.com/pf/LM/LM5066.html
  27
  28 Author: Guenter Roeck <linux@roeck-us.net>
  29
  30
  31 Description
  32 -----------
  33
  34 This driver supports hardware montoring for National Semiconductor / TI LM25056,
  35 LM25066, LM5064, and LM5064 Power Management, Monitoring, Control, and
  36 Protection ICs.
  37
  38 The driver is a client driver to the core PMBus driver. Please see
  39 Documentation/hwmon/pmbus for details on PMBus client drivers.
  40
  41
  42 Usage Notes
  43 -----------
  44
  45 This driver does not auto-detect devices. You will have to instantiate the
  46 devices explicitly. Please see Documentation/i2c/instantiating-devices for
  47 details.
  48
  49
  50 Platform data support
  51 ---------------------
  52
  53 The driver supports standard PMBus driver platform data.
  54
  55
  56 Sysfs entries
  57 -------------
  58
  59 The following attributes are supported. Limits are read-write; all other
  60 attributes are read-only.
  61
  62 in1_label               "vin"
  63 in1_input               Measured input voltage.
  64 in1_average             Average measured input voltage.
  65 in1_min                 Minimum input voltage.
  66 in1_max                 Maximum input voltage.
  67 in1_min_alarm           Input voltage low alarm.
  68 in1_max_alarm           Input voltage high alarm.
  69
  70 in2_label               "vmon"
  71 in2_input               Measured voltage on VAUX pin
  72 in2_min                 Minimum VAUX voltage (LM25056 only).
  73 in2_max                 Maximum VAUX voltage (LM25056 only).
  74 in2_min_alarm           VAUX voltage low alarm (LM25056 only).
  75 in2_max_alarm           VAUX voltage high alarm (LM25056 only).
  76
  77 in3_label               "vout1"
  78                         Not supported on LM25056.
  79 in3_input               Measured output voltage.
  80 in3_average             Average measured output voltage.
  81 in3_min                 Minimum output voltage.
  82 in3_min_alarm           Output voltage low alarm.
  83
  84 curr1_label             "iin"
  85 curr1_input             Measured input current.
  86 curr1_average           Average measured input current.
  87 curr1_max               Maximum input current.
  88 curr1_max_alarm         Input current high alarm.
  89
  90 power1_label            "pin"
  91 power1_input            Measured input power.
  92 power1_average          Average measured input power.
  93 power1_max              Maximum input power limit.
  94 power1_alarm            Input power alarm
  95 power1_input_highest    Historical maximum power.
  96 power1_reset_history    Write any value to reset maximum power history.
  97
  98 temp1_input             Measured temperature.
  99 temp1_max               Maximum temperature.
 100 temp1_crit              Critical high temperature.
 101 temp1_max_alarm         Chip temperature high alarm.
 102 temp1_crit_alarm        Chip temperature critical high alarm.