Documentation/hwmon/tps53679.rst

   1 Kernel driver tps53679
   2 ======================
   3
   4 Supported chips:
   5
   6   * Texas Instruments TPS53647
   7
   8     Prefix: 'tps53647'
   9
  10     Addresses scanned: -
  11
  12     Datasheet: https://www.ti.com/lit/gpn/tps53647
  13
  14   * Texas Instruments TPS53667
  15
  16     Prefix: 'tps53667'
  17
  18     Addresses scanned: -
  19
  20     Datasheet: https://www.ti.com/lit/gpn/TPS53667
  21
  22   * Texas Instruments TPS53679
  23
  24     Prefix: 'tps53679'
  25
  26     Addresses scanned: -
  27
  28     Datasheet: https://www.ti.com/lit/gpn/TPS53679 (short version)
  29
  30   * Texas Instruments TPS53681
  31
  32     Prefix: 'tps53681'
  33
  34     Addresses scanned: -
  35
  36     Datasheet: https://www.ti.com/lit/gpn/TPS53681
  37
  38   * Texas Instruments TPS53688
  39
  40     Prefix: 'tps53688'
  41
  42     Addresses scanned: -
  43
  44     Datasheet: Available under NDA
  45
  46
  47 Authors:
  48         Vadim Pasternak <vadimp@mellanox.com>
  49         Guenter Roeck <linux@roeck-us.net>
  50
  51
  52 Description
  53 -----------
  54
  55 Chips in this series are multi-phase step-down converters with one or two
  56 output channels and up to 8 phases per channel.
  57
  58
  59 Usage Notes
  60 -----------
  61
  62 This driver does not probe for PMBus devices. You will have to instantiate
  63 devices explicitly.
  64
  65 Example: the following commands will load the driver for an TPS53681 at address
  66 0x60 on I2C bus #1::
  67
  68         # modprobe tps53679
  69         # echo tps53681 0x60 > /sys/bus/i2c/devices/i2c-1/new_device
  70
  71
  72 Sysfs attributes
  73 ----------------
  74
  75 ======================= ========================================================
  76 in1_label               "vin"
  77
  78 in1_input               Measured input voltage.
  79
  80 in1_lcrit               Critical minimum input voltage
  81
  82                         TPS53679, TPS53681, TPS53688 only.
  83
  84 in1_lcrit_alarm         Input voltage critical low alarm.
  85
  86                         TPS53679, TPS53681, TPS53688 only.
  87
  88 in1_crit                Critical maximum input voltage.
  89
  90 in1_crit_alarm          Input voltage critical high alarm.
  91
  92 in[N]_label             "vout[1-2]"
  93
  94                         - TPS53647, TPS53667: N=2
  95                         - TPS53679, TPS53588: N=2,3
  96
  97 in[N]_input             Measured output voltage.
  98
  99 in[N]_lcrit             Critical minimum input voltage.
 100
 101                         TPS53679, TPS53681, TPS53688 only.
 102
 103 in[N]_lcrit_alarm       Critical minimum voltage alarm.
 104
 105                         TPS53679, TPS53681, TPS53688 only.
 106
 107 in[N]_alarm             Output voltage alarm.
 108
 109                         TPS53647, TPS53667 only.
 110
 111 in[N]_crit              Critical maximum output voltage.
 112
 113                         TPS53679, TPS53681, TPS53688 only.
 114
 115 in[N]_crit_alarm        Output voltage critical high alarm.
 116
 117                         TPS53679, TPS53681, TPS53688 only.
 118
 119 temp[N]_input           Measured temperature.
 120
 121                         - TPS53647, TPS53667: N=1
 122                         - TPS53679, TPS53681, TPS53588: N=1,2
 123
 124 temp[N]_max             Maximum temperature.
 125
 126 temp[N]_crit            Critical high temperature.
 127
 128 temp[N]_max_alarm       Temperature high alarm.
 129
 130 temp[N]_crit_alarm      Temperature critical high alarm.
 131
 132 power1_label            "pin".
 133
 134 power1_input            Measured input power.
 135
 136 power[N]_label          "pout[1-2]".
 137
 138                         - TPS53647, TPS53667: N=2
 139                         - TPS53679, TPS53681, TPS53588: N=2,3
 140
 141 power[N]_input          Measured output power.
 142
 143 curr1_label             "iin".
 144
 145 curr1_input             Measured input current.
 146
 147 curr1_max               Maximum input current.
 148
 149 curr1_max_alarm         Input current high alarm.
 150
 151 curr1_crit              Critical input current.
 152
 153 curr1_crit_alarm        Input current critical alarm.
 154
 155 curr[N]_label           "iout[1-2]" or "iout1.[0-5]".
 156
 157                         The first digit is the output channel, the second
 158                         digit is the phase within the channel. Per-phase
 159                         telemetry supported on TPS53681 only.
 160
 161                         - TPS53647, TPS53667: N=2
 162                         - TPS53679, TPS53588: N=2,3
 163                         - TPS53681: N=2-9
 164
 165 curr[N]_input           Measured output current.
 166
 167 curr[N]_max             Maximum output current.
 168
 169 curr[N]_crit            Critical high output current.
 170
 171 curr[N]_max_alarm       Output current high alarm.
 172
 173 curr[N]_crit_alarm      Output current critical high alarm.
 174
 175                         Limit and alarm attributes are only available for
 176                         non-phase telemetry (iout1, iout2).
 177
 178 ======================= ========================================================