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   * TI LM25063
  12     Prefix: 'lm25063'
  13     Addresses scanned: -
  14     Datasheet:
  15         To be announced
  16   * National Semiconductor LM25066
  17     Prefix: 'lm25066'
  18     Addresses scanned: -
  19     Datasheets:
  20         http://www.national.com/pf/LM/LM25066.html
  21         http://www.national.com/pf/LM/LM25066A.html
  22   * National Semiconductor LM5064
  23     Prefix: 'lm5064'
  24     Addresses scanned: -
  25     Datasheet:
  26         http://www.national.com/pf/LM/LM5064.html
  27   * National Semiconductor LM5066
  28     Prefix: 'lm5066'
  29     Addresses scanned: -
  30     Datasheet:
  31         http://www.national.com/pf/LM/LM5066.html
  32
  33 Author: Guenter Roeck <linux@roeck-us.net>
  34
  35
  36 Description
  37 -----------
  38
  39 This driver supports hardware montoring for National Semiconductor / TI LM25056,
  40 LM25063, LM25066, LM5064, and LM5066 Power Management, Monitoring, Control, and
  41 Protection ICs.
  42
  43 The driver is a client driver to the core PMBus driver. Please see
  44 Documentation/hwmon/pmbus for details on PMBus client drivers.
  45
  46
  47 Usage Notes
  48 -----------
  49
  50 This driver does not auto-detect devices. You will have to instantiate the
  51 devices explicitly. Please see Documentation/i2c/instantiating-devices for
  52 details.
  53
  54
  55 Platform data support
  56 ---------------------
  57
  58 The driver supports standard PMBus driver platform data.
  59
  60
  61 Sysfs entries
  62 -------------
  63
  64 The following attributes are supported. Limits are read-write; all other
  65 attributes are read-only.
  66
  67 in1_label               "vin"
  68 in1_input               Measured input voltage.
  69 in1_average             Average measured input voltage.
  70 in1_min                 Minimum input voltage.
  71 in1_max                 Maximum input voltage.
  72 in1_crit                Critical high input voltage (LM25063 only).
  73 in1_lcrit               Critical low input voltage (LM25063 only).
  74 in1_min_alarm           Input voltage low alarm.
  75 in1_max_alarm           Input voltage high alarm.
  76 in1_lcrit_alarm         Input voltage critical low alarm (LM25063 only).
  77 in1_crit_alarm          Input voltage critical high alarm. (LM25063 only).
  78
  79 in2_label               "vmon"
  80 in2_input               Measured voltage on VAUX pin
  81 in2_min                 Minimum VAUX voltage (LM25056 only).
  82 in2_max                 Maximum VAUX voltage (LM25056 only).
  83 in2_min_alarm           VAUX voltage low alarm (LM25056 only).
  84 in2_max_alarm           VAUX voltage high alarm (LM25056 only).
  85
  86 in3_label               "vout1"
  87                         Not supported on LM25056.
  88 in3_input               Measured output voltage.
  89 in3_average             Average measured output voltage.
  90 in3_min                 Minimum output voltage.
  91 in3_min_alarm           Output voltage low alarm.
  92 in3_highest             Historical minimum output voltage (LM25063 only).
  93 in3_lowest              Historical maximum output voltage (LM25063 only).
  94
  95 curr1_label             "iin"
  96 curr1_input             Measured input current.
  97 curr1_average           Average measured input current.
  98 curr1_max               Maximum input current.
  99 curr1_crit              Critical input current (LM25063 only).
 100 curr1_max_alarm         Input current high alarm.
 101 curr1_crit_alarm        Input current critical high alarm (LM25063 only).
 102
 103 power1_label            "pin"
 104 power1_input            Measured input power.
 105 power1_average          Average measured input power.
 106 power1_max              Maximum input power limit.
 107 power1_alarm            Input power alarm
 108 power1_input_highest    Historical maximum power.
 109 power1_reset_history    Write any value to reset maximum power history.
 110
 111 power2_label            "pout". LM25063 only.
 112 power2_input            Measured output power.
 113 power2_max              Maximum output power limit.
 114 power2_crit             Critical output power limit.
 115
 116 temp1_input             Measured temperature.
 117 temp1_max               Maximum temperature.
 118 temp1_crit              Critical high temperature.
 119 temp1_max_alarm         Chip temperature high alarm.
 120 temp1_crit_alarm        Chip temperature critical high alarm.