Documentation/ABI/testing/sysfs-driver-aspeed-uart-routing

   1 What:           /sys/bus/platform/drivers/aspeed-uart-routing/\*/uart\*
   2 Date:           September 2021
   3 Contact:        Oskar Senft <osk@google.com>
   4                 Chia-Wei Wang <chiawei_wang@aspeedtech.com>
   5 Description:    Selects the RX source of the UARTx device.
   6
   7                 When read, each file shows the list of available options with currently
   8                 selected option marked by brackets "[]". The list of available options
   9                 depends on the selected file.
  10
  11                 e.g.
  12                 cat /sys/bus/platform/drivers/aspeed-uart-routing/\*.uart_routing/uart1
  13                 [io1] io2 io3 io4 uart2 uart3 uart4 io6
  14
  15                 In this case, UART1 gets its input from IO1 (physical serial port 1).
  16
  17 Users:          OpenBMC.  Proposed changes should be mailed to
  18                 openbmc@lists.ozlabs.org
  19
  20 What:           /sys/bus/platform/drivers/aspeed-uart-routing/\*/io\*
  21 Date:           September 2021
  22 Contact:        Oskar Senft <osk@google.com>
  23                 Chia-Wei Wang <chiawei_wang@aspeedtech.com>
  24 Description:    Selects the RX source of IOx serial port. The current selection
  25                 will be marked by brackets "[]".
  26 Users:          OpenBMC.  Proposed changes should be mailed to
  27                 openbmc@lists.ozlabs.org