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   * Texas Instruments LM5066I
  33     Prefix: 'lm5066i'
  34     Addresses scanned: -
  35         Datasheet:
  36     http://www.ti.com/product/LM5066I
  37
  38 Author: Guenter Roeck <linux@roeck-us.net>
  39
  40
  41 Description
  42 -----------
  43
  44 This driver supports hardware monitoring for National Semiconductor / TI LM25056,
  45 LM25063, LM25066, LM5064, and LM5066/LM5066I Power Management, Monitoring,
  46 Control, and Protection ICs.
  47
  48 The driver is a client driver to the core PMBus driver. Please see
  49 Documentation/hwmon/pmbus for details on PMBus client drivers.
  50
  51
  52 Usage Notes
  53 -----------
  54
  55 This driver does not auto-detect devices. You will have to instantiate the
  56 devices explicitly. Please see Documentation/i2c/instantiating-devices for
  57 details.
  58
  59
  60 Platform data support
  61 ---------------------
  62
  63 The driver supports standard PMBus driver platform data.
  64
  65
  66 Sysfs entries
  67 -------------
  68
  69 The following attributes are supported. Limits are read-write; all other
  70 attributes are read-only.
  71
  72 in1_label               "vin"
  73 in1_input               Measured input voltage.
  74 in1_average             Average measured input voltage.
  75 in1_min                 Minimum input voltage.
  76 in1_max                 Maximum input voltage.
  77 in1_crit                Critical high input voltage (LM25063 only).
  78 in1_lcrit               Critical low input voltage (LM25063 only).
  79 in1_min_alarm           Input voltage low alarm.
  80 in1_max_alarm           Input voltage high alarm.
  81 in1_lcrit_alarm         Input voltage critical low alarm (LM25063 only).
  82 in1_crit_alarm          Input voltage critical high alarm. (LM25063 only).
  83
  84 in2_label               "vmon"
  85 in2_input               Measured voltage on VAUX pin
  86 in2_min                 Minimum VAUX voltage (LM25056 only).
  87 in2_max                 Maximum VAUX voltage (LM25056 only).
  88 in2_min_alarm           VAUX voltage low alarm (LM25056 only).
  89 in2_max_alarm           VAUX voltage high alarm (LM25056 only).
  90
  91 in3_label               "vout1"
  92                         Not supported on LM25056.
  93 in3_input               Measured output voltage.
  94 in3_average             Average measured output voltage.
  95 in3_min                 Minimum output voltage.
  96 in3_min_alarm           Output voltage low alarm.
  97 in3_highest             Historical minimum output voltage (LM25063 only).
  98 in3_lowest              Historical maximum output voltage (LM25063 only).
  99
 100 curr1_label             "iin"
 101 curr1_input             Measured input current.
 102 curr1_average           Average measured input current.
 103 curr1_max               Maximum input current.
 104 curr1_crit              Critical input current (LM25063 only).
 105 curr1_max_alarm         Input current high alarm.
 106 curr1_crit_alarm        Input current critical high alarm (LM25063 only).
 107
 108 power1_label            "pin"
 109 power1_input            Measured input power.
 110 power1_average          Average measured input power.
 111 power1_max              Maximum input power limit.
 112 power1_alarm            Input power alarm
 113 power1_input_highest    Historical maximum power.
 114 power1_reset_history    Write any value to reset maximum power history.
 115
 116 power2_label            "pout". LM25063 only.
 117 power2_input            Measured output power.
 118 power2_max              Maximum output power limit.
 119 power2_crit             Critical output power limit.
 120
 121 temp1_input             Measured temperature.
 122 temp1_max               Maximum temperature.
 123 temp1_crit              Critical high temperature.
 124 temp1_max_alarm         Chip temperature high alarm.
 125 temp1_crit_alarm        Chip temperature critical high alarm.