1*08840052SChia-Wei WangWhat: /sys/bus/platform/drivers/aspeed-uart-routing/\*/uart\* 2c6807970SChia-Wei WangDate: September 2021 3c6807970SChia-Wei WangContact: Oskar Senft <osk@google.com> 4c6807970SChia-Wei Wang Chia-Wei Wang <chiawei_wang@aspeedtech.com> 5c6807970SChia-Wei WangDescription: Selects the RX source of the UARTx device. 6c6807970SChia-Wei Wang 7c6807970SChia-Wei Wang When read, each file shows the list of available options with currently 8c6807970SChia-Wei Wang selected option marked by brackets "[]". The list of available options 9c6807970SChia-Wei Wang depends on the selected file. 10c6807970SChia-Wei Wang 11c6807970SChia-Wei Wang e.g. 12*08840052SChia-Wei Wang cat /sys/bus/platform/drivers/aspeed-uart-routing/\*.uart_routing/uart1 13c6807970SChia-Wei Wang [io1] io2 io3 io4 uart2 uart3 uart4 io6 14c6807970SChia-Wei Wang 15c6807970SChia-Wei Wang In this case, UART1 gets its input from IO1 (physical serial port 1). 16c6807970SChia-Wei Wang 17c6807970SChia-Wei WangUsers: OpenBMC. Proposed changes should be mailed to 18c6807970SChia-Wei Wang openbmc@lists.ozlabs.org 19c6807970SChia-Wei Wang 20*08840052SChia-Wei WangWhat: /sys/bus/platform/drivers/aspeed-uart-routing/\*/io\* 21c6807970SChia-Wei WangDate: September 2021 22c6807970SChia-Wei WangContact: Oskar Senft <osk@google.com> 23c6807970SChia-Wei Wang Chia-Wei Wang <chiawei_wang@aspeedtech.com> 24c6807970SChia-Wei WangDescription: Selects the RX source of IOx serial port. The current selection 25c6807970SChia-Wei Wang will be marked by brackets "[]". 26c6807970SChia-Wei WangUsers: OpenBMC. Proposed changes should be mailed to 27c6807970SChia-Wei Wang openbmc@lists.ozlabs.org 28