Documentation/ABI/testing/sysfs-bus-fsi

   1 What:           /sys/bus/platform/devices/../fsi-master/fsi0/rescan
   2 Date:           May 2017
   3 KernelVersion:  4.12
   4 Contact:        linux-fsi@lists.ozlabs.org
   5 Description:
   6                 Initiates a FSI master scan for all connected slave devices
   7                 on its links.
   8
   9 What:           /sys/bus/platform/devices/../fsi-master/fsi0/break
  10 Date:           May 2017
  11 KernelVersion:  4.12
  12 Contact:        linux-fsi@lists.ozlabs.org
  13 Description:
  14                 Sends an FSI BREAK command on a master's communication
  15                 link to any connnected slaves.  A BREAK resets connected
  16                 device's logic and preps it to receive further commands
  17                 from the master.
  18
  19 What:           /sys/bus/platform/devices/../fsi-master/fsi0/slave@00:00/term
  20 Date:           May 2017
  21 KernelVersion:  4.12
  22 Contact:        linux-fsi@lists.ozlabs.org
  23 Description:
  24                 Sends an FSI terminate command from the master to its
  25                 connected slave. A terminate resets the slave's state machines
  26                 that control access to the internally connected engines.  In
  27                 addition the slave freezes its internal error register for
  28                 debugging purposes.  This command is also needed to abort any
  29                 ongoing operation in case of an expired 'Master Time Out'
  30                 timer.
  31
  32 What:           /sys/bus/platform/devices/../fsi-master/fsi0/slave@00:00/raw
  33 Date:           May 2017
  34 KernelVersion:  4.12
  35 Contact:        linux-fsi@lists.ozlabs.org
  36 Description:
  37                 Provides a means of reading/writing a 32 bit value from/to a
  38                 specified FSI bus address.
  39
  40 What:           /sys/bus/platform/devices/../cfam_reset
  41 Date:           Sept 2020
  42 KernelVersion:  5.10
  43 Contact:        linux-fsi@lists.ozlabs.org
  44 Description:
  45                 Provides a means of resetting the cfam that is attached to the
  46                 FSI device.