diff options
| author | Filip Kokosinski <fkokosinski@antmicro.com> | 2020-10-13 16:46:21 +0200 |
|---|---|---|
| committer | Stafford Horne <shorne@gmail.com> | 2020-11-09 21:07:01 +0900 |
| commit | 1da81e5562fac8286567422cc56a7fbd0dc646d4 (patch) | |
| tree | 0f2f408697dda60afeddae532ea06ac80b8d185b /drivers/tty/serial/Kconfig | |
| parent | 79c5ef07d91eee6832bebd98f775a06ed7dd2151 (diff) | |
drivers/tty/serial: add LiteUART driver
This commit adds driver for the FPGA-based LiteUART serial controller
from LiteX SoC builder.
The current implementation supports LiteUART configured
for 32 bit data width and 8 bit CSR bus width.
It does not support IRQ.
Signed-off-by: Filip Kokosinski <fkokosinski@antmicro.com>
Signed-off-by: Mateusz Holenko <mholenko@antmicro.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stafford Horne <shorne@gmail.com>
Diffstat (limited to 'drivers/tty/serial/Kconfig')
| -rw-r--r-- | drivers/tty/serial/Kconfig | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index 1044fc387691..c3c683968ab3 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -1582,6 +1582,38 @@ config SERIAL_MILBEAUT_USIO_CONSOLE receives all kernel messages and warnings and which allows logins in single user mode). +config SERIAL_LITEUART + tristate "LiteUART serial port support" + depends on HAS_IOMEM + depends on OF || COMPILE_TEST + depends on LITEX + select SERIAL_CORE + help + This driver is for the FPGA-based LiteUART serial controller from LiteX + SoC builder. + + Say 'Y' or 'M' here if you wish to use the LiteUART serial controller. + Otherwise, say 'N'. + +config SERIAL_LITEUART_MAX_PORTS + int "Maximum number of LiteUART ports" + depends on SERIAL_LITEUART + default "1" + help + Set this to the maximum number of serial ports you want the driver + to support. + +config SERIAL_LITEUART_CONSOLE + bool "LiteUART serial port console support" + depends on SERIAL_LITEUART=y + select SERIAL_CORE_CONSOLE + help + Say 'Y' or 'M' here if you wish to use the FPGA-based LiteUART serial + controller from LiteX SoC builder as the system console + (the system console is the device which receives all kernel messages + and warnings and which allows logins in single user mode). + Otherwise, say 'N'. + endmenu config SERIAL_MCTRL_GPIO |