diff options
Diffstat (limited to 'drivers/tty/serial/Kconfig')
| -rw-r--r-- | drivers/tty/serial/Kconfig | 54 |
1 files changed, 51 insertions, 3 deletions
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index 72966bc0ac76..0d31251e04cc 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Serial device configuration # @@ -369,7 +370,6 @@ config SERIAL_MAX310X depends on SPI_MASTER select SERIAL_CORE select REGMAP_SPI if SPI_MASTER - default n help This selects support for an advanced UART from Maxim (Dallas). Supported ICs are MAX3107, MAX3108, MAX3109, MAX14830. @@ -652,7 +652,6 @@ config SERIAL_MUX_CONSOLE config PDC_CONSOLE bool "PDC software console support" depends on PARISC && !SERIAL_MUX && VT - default n help Saying Y here will enable the software based PDC console to be used as the system console. This is useful for machines in @@ -1095,6 +1094,30 @@ config SERIAL_OMAP_CONSOLE your boot loader about how to pass options to the kernel at boot time.) +config SERIAL_SIFIVE + tristate "SiFive UART support" + depends on OF + select SERIAL_CORE + help + Select this option if you are building a kernel for a device that + contains a SiFive UART IP block. This type of UART is present on + SiFive FU540 SoCs, among others. + +config SERIAL_SIFIVE_CONSOLE + bool "Console on SiFive UART" + depends on SERIAL_SIFIVE=y + select SERIAL_CORE_CONSOLE + help + Select this option if you would like to use a SiFive UART as the + system console. + + Even if you say Y here, the currently visible virtual console + (/dev/tty0) will still be used as the system console by default, but + you can alter that using a kernel command line option such as + "console=ttySIFx". (Try "man bootparam" or see the documentation of + your boot loader about how to pass options to the kernel at + boot time.) + config SERIAL_LANTIQ bool "Lantiq serial driver" depends on LANTIQ @@ -1109,7 +1132,6 @@ config SERIAL_QE depends on QUICC_ENGINE select SERIAL_CORE select FW_LOADER - default n help This driver supports the QE serial ports on Freescale embedded PowerPC that contain a QUICC Engine. @@ -1582,6 +1604,32 @@ config SERIAL_RDA_CONSOLE Say 'Y' here if you wish to use the RDA8810PL UART as the system console. Only earlycon is implemented currently. +config SERIAL_MILBEAUT_USIO + tristate "Milbeaut USIO/UART serial port support" + depends on ARCH_MILBEAUT || (COMPILE_TEST && OF) + default ARCH_MILBEAUT + select SERIAL_CORE + help + This selects the USIO/UART IP found in Socionext Milbeaut SoCs. + +config SERIAL_MILBEAUT_USIO_PORTS + int "Maximum number of CSIO/UART ports (1-8)" + range 1 8 + depends on SERIAL_MILBEAUT_USIO + default "4" + +config SERIAL_MILBEAUT_USIO_CONSOLE + bool "Support for console on MILBEAUT USIO/UART serial port" + depends on SERIAL_MILBEAUT_USIO=y + default y + select SERIAL_CORE_CONSOLE + select SERIAL_EARLYCON + help + Say 'Y' here if you wish to use a USIO/UART of Socionext Milbeaut + SoCs 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). + endmenu config SERIAL_MCTRL_GPIO |