0001 What: /sys/bus/platform/drivers/aspeed-uart-routing/\*/uart\*
0002 Date: September 2021
0003 Contact: Oskar Senft <osk@google.com>
0004 Chia-Wei Wang <chiawei_wang@aspeedtech.com>
0005 Description: Selects the RX source of the UARTx device.
0006
0007 When read, each file shows the list of available options with currently
0008 selected option marked by brackets "[]". The list of available options
0009 depends on the selected file.
0010
0011 e.g.
0012 cat /sys/bus/platform/drivers/aspeed-uart-routing/\*.uart_routing/uart1
0013 [io1] io2 io3 io4 uart2 uart3 uart4 io6
0014
0015 In this case, UART1 gets its input from IO1 (physical serial port 1).
0016
0017 Users: OpenBMC. Proposed changes should be mailed to
0018 openbmc@lists.ozlabs.org
0019
0020 What: /sys/bus/platform/drivers/aspeed-uart-routing/\*/io\*
0021 Date: September 2021
0022 Contact: Oskar Senft <osk@google.com>
0023 Chia-Wei Wang <chiawei_wang@aspeedtech.com>
0024 Description: Selects the RX source of IOx serial port. The current selection
0025 will be marked by brackets "[]".
0026 Users: OpenBMC. Proposed changes should be mailed to
0027 openbmc@lists.ozlabs.org