diff options
Diffstat (limited to 'drivers/tty/serial/Kconfig')
| -rw-r--r-- | drivers/tty/serial/Kconfig | 657 |
1 files changed, 357 insertions, 300 deletions
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index 089a6f285d5e..59221cce0028 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -1,14 +1,14 @@ +# SPDX-License-Identifier: GPL-2.0 # # Serial device configuration # -if TTY - menu "Serial drivers" depends on HAS_IOMEM config SERIAL_EARLYCON bool + depends on SERIAL_CORE help Support for early consoles with the earlycon parameter. This enables the console before standard serial driver is probed. The console is @@ -20,7 +20,7 @@ comment "Non-8250 serial port support" config SERIAL_AMBA_PL010 tristate "ARM AMBA PL010 serial port support" - depends on ARM_AMBA + depends on ARM_AMBA || COMPILE_TEST select SERIAL_CORE help This selects the ARM(R) AMBA(R) PrimeCell PL010 UART. If you have @@ -33,7 +33,7 @@ config SERIAL_AMBA_PL010_CONSOLE bool "Support for console on AMBA serial port" depends on SERIAL_AMBA_PL010=y select SERIAL_CORE_CONSOLE - ---help--- + help Say Y here if you wish to use an AMBA PrimeCell UART 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). @@ -61,7 +61,7 @@ config SERIAL_AMBA_PL011_CONSOLE depends on SERIAL_AMBA_PL011=y select SERIAL_CORE_CONSOLE select SERIAL_EARLYCON - ---help--- + help Say Y here if you wish to use an AMBA PrimeCell UART 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). @@ -73,21 +73,21 @@ config SERIAL_AMBA_PL011_CONSOLE your boot loader (lilo or loadlin) about how to pass options to the kernel at boot time.) -config SERIAL_EARLYCON_ARM_SEMIHOST - bool "Early console using ARM semihosting" - depends on ARM64 || ARM +config SERIAL_EARLYCON_SEMIHOST + bool "Early console using Arm compatible semihosting" + depends on ARM64 || ARM || RISCV select SERIAL_CORE select SERIAL_CORE_CONSOLE select SERIAL_EARLYCON help - Support for early debug console using ARM semihosting. This enables - the console before standard serial driver is probed. This is enabled - with "earlycon=smh" on the kernel command line. The console is - enabled when early_param is processed. + Support for early debug console using Arm compatible semihosting. + This enables the console before standard serial driver is probed. + This is enabled with "earlycon=smh" on the kernel command line. + The console is enabled when early_param is processed. config SERIAL_EARLYCON_RISCV_SBI bool "Early console using RISC-V SBI" - depends on RISCV + depends on RISCV_SBI select SERIAL_CORE select SERIAL_CORE_CONSOLE select SERIAL_EARLYCON @@ -102,7 +102,7 @@ config SERIAL_SB1250_DUART depends on SIBYTE_SB1xxx_SOC=y select SERIAL_CORE default y - ---help--- + help Support for the asynchronous serial interface (DUART) included in the BCM1250 and derived System-On-a-Chip (SOC) devices. Note that the letter D in DUART stands for "dual", which is how the device @@ -117,7 +117,7 @@ config SERIAL_SB1250_DUART_CONSOLE depends on SERIAL_SB1250_DUART=y select SERIAL_CORE_CONSOLE default y - ---help--- + help If you say Y here, it will be possible to use a serial port as the system console (the system console is the device which receives all kernel messages and warnings and which allows logins in single user @@ -127,7 +127,8 @@ config SERIAL_SB1250_DUART_CONSOLE config SERIAL_ATMEL bool "AT91 on-chip serial port support" - depends on ARCH_AT91 || COMPILE_TEST + depends on COMMON_CLK + depends on ARCH_MICROCHIP || COMPILE_TEST select SERIAL_CORE select SERIAL_MCTRL_GPIO if GPIOLIB select MFD_AT91_USART @@ -139,6 +140,7 @@ config SERIAL_ATMEL_CONSOLE bool "Support for console on AT91 serial port" depends on SERIAL_ATMEL=y select SERIAL_CORE_CONSOLE + select SERIAL_EARLYCON help Say Y here if you wish to use an on-chip UART on a Atmel AT91 processor as the system console (the system @@ -177,45 +179,9 @@ config SERIAL_ATMEL_TTYAT Say Y if you have an external 8250/16C550 UART. If unsure, say N. -config SERIAL_KGDB_NMI - bool "Serial console over KGDB NMI debugger port" - depends on KGDB_SERIAL_CONSOLE - help - This special driver allows you to temporary use NMI debugger port - as a normal console (assuming that the port is attached to KGDB). - - Unlike KDB's disable_nmi command, with this driver you are always - able to go back to the debugger using KGDB escape sequence ($3#33). - This is because this console driver processes the input in NMI - context, and thus is able to intercept the magic sequence. - - Note that since the console interprets input and uses polling - communication methods, for things like PPP you still must fully - detach debugger port from the KGDB NMI (i.e. disable_nmi), and - use raw console. - - If unsure, say N. - -config SERIAL_KS8695 - bool "Micrel KS8695 (Centaur) serial port support" - depends on ARCH_KS8695 - select SERIAL_CORE - help - This selects the Micrel Centaur KS8695 UART. Say Y here. - -config SERIAL_KS8695_CONSOLE - bool "Support for console on KS8695 (Centaur) serial port" - depends on SERIAL_KS8695=y - select SERIAL_CORE_CONSOLE - help - Say Y here if you wish to use a KS8695 (Centaur) UART 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). - config SERIAL_MESON tristate "Meson serial port support" - depends on ARCH_MESON + depends on ARCH_MESON || COMPILE_TEST select SERIAL_CORE help This enables the driver for the on-chip UARTs of the Amlogic @@ -223,7 +189,7 @@ config SERIAL_MESON config SERIAL_MESON_CONSOLE bool "Support for console on meson" - depends on SERIAL_MESON=y + depends on SERIAL_MESON select SERIAL_CORE_CONSOLE select SERIAL_EARLYCON help @@ -253,42 +219,27 @@ config SERIAL_CLPS711X_CONSOLE config SERIAL_SAMSUNG tristate "Samsung SoC serial support" - depends on PLAT_SAMSUNG || ARCH_EXYNOS + depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS || ARCH_APPLE || ARCH_ARTPEC || COMPILE_TEST select SERIAL_CORE help - Support for the on-chip UARTs on the Samsung S3C24XX series CPUs, - providing /dev/ttySAC0, 1 and 2 (note, some machines may not - provide all of these ports, depending on how the serial port - pins are configured. + Support for the on-chip UARTs on the Samsung + S3C64xx/S5Pv210/Exynos and Apple M1 SoCs, providing + /dev/ttySAC0, 1 and 2 (note, some machines may not provide all of + these ports, depending on how the serial port pins are configured. -config SERIAL_SAMSUNG_UARTS_4 - bool - depends on SERIAL_SAMSUNG - default y if !(CPU_S3C2410 || CPU_S3C2412 || CPU_S3C2440 || CPU_S3C2442) - help - Internal node for the common case of 4 Samsung compatible UARTs + Choose Y/M here only if you build for such SoC. config SERIAL_SAMSUNG_UARTS int depends on SERIAL_SAMSUNG - default 4 if SERIAL_SAMSUNG_UARTS_4 || CPU_S3C2416 - default 3 + default 4 help Select the number of available UART ports for the Samsung S3C serial driver - -config SERIAL_SAMSUNG_DEBUG - bool "Samsung SoC serial debug" - depends on SERIAL_SAMSUNG && DEBUG_LL - help - Add support for debugging the serial driver. Since this is - generally being used as a console, we use our own output - routines that go via the low-level debug printascii() - function. config SERIAL_SAMSUNG_CONSOLE bool "Support for console on Samsung SoC serial port" - depends on SERIAL_SAMSUNG=y + depends on SERIAL_SAMSUNG select SERIAL_CORE_CONSOLE select SERIAL_EARLYCON help @@ -302,31 +253,9 @@ config SERIAL_SAMSUNG_CONSOLE your boot loader about how to pass options to the kernel at boot time.) -config SERIAL_SIRFSOC - tristate "SiRF SoC Platform Serial port support" - depends on ARCH_SIRF - select SERIAL_CORE - help - Support for the on-chip UART on the CSR SiRFprimaII series, - providing /dev/ttySiRF0, 1 and 2 (note, some machines may not - provide all of these ports, depending on how the serial port - pins are configured). - -config SERIAL_SIRFSOC_CONSOLE - bool "Support for console on SiRF SoC serial port" - depends on SERIAL_SIRFSOC=y - select SERIAL_CORE_CONSOLE - help - 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=ttySiRFx". (Try "man bootparam" or see the documentation of - your boot loader about how to pass options to the kernel at - boot time.) - config SERIAL_TEGRA tristate "NVIDIA Tegra20/30 SoC serial controller" - depends on ARCH_TEGRA && TEGRA20_APB_DMA + depends on (ARCH_TEGRA && TEGRA20_APB_DMA) || COMPILE_TEST select SERIAL_CORE help Support for the on-chip UARTs on the NVIDIA Tegra series SOCs @@ -335,19 +264,68 @@ config SERIAL_TEGRA are enabled). This driver uses the APB DMA to achieve higher baudrate and better performance. +config SERIAL_TEGRA_TCU + tristate "NVIDIA Tegra Combined UART" + depends on MAILBOX + depends on (ARCH_TEGRA && TEGRA_HSP_MBOX) || COMPILE_TEST + select SERIAL_CORE + help + Support for the mailbox-based TCU (Tegra Combined UART) serial port. + TCU is a virtual serial port that allows multiplexing multiple data + streams into a single hardware serial port. + +config SERIAL_TEGRA_TCU_CONSOLE + bool "Support for console on a Tegra TCU serial port" + depends on SERIAL_TEGRA_TCU=y + select SERIAL_CORE_CONSOLE + default y + help + If you say Y here, it will be possible to use a the Tegra TCU 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). + + If unsure, say Y. + +config SERIAL_TEGRA_UTC + tristate "NVIDIA Tegra UART Trace Controller" + depends on ARCH_TEGRA || COMPILE_TEST + select SERIAL_CORE + help + Support for Tegra UTC (UART Trace controller) client serial port. + + UTC is a HW based serial port that allows multiplexing multiple data + streams of up to 16 UTC clients into a single hardware serial port. + +config SERIAL_TEGRA_UTC_CONSOLE + bool "Support for console on a Tegra UTC serial port" + depends on SERIAL_TEGRA_UTC + select SERIAL_CORE_CONSOLE + default SERIAL_TEGRA_UTC + help + If you say Y here, it will be possible to use a Tegra UTC client 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). + + If unsure, say Y. + config SERIAL_MAX3100 - tristate "MAX3100 support" + tristate "MAX3100/3110/3111/3222 support" depends on SPI select SERIAL_CORE help - MAX3100 chip support + This selects support for an advanced UART from Maxim. + Supported ICs are MAX3100, MAX3110, MAX3111, MAX3222. + + Say Y here if you want to support these ICs. config SERIAL_MAX310X tristate "MAX310X support" depends on SPI_MASTER select SERIAL_CORE select REGMAP_SPI if SPI_MASTER - default n + select REGMAP_I2C if I2C help This selects support for an advanced UART from Maxim (Dallas). Supported ICs are MAX3107, MAX3108, MAX3109, MAX14830. @@ -361,7 +339,7 @@ config SERIAL_DZ depends on MACH_DECSTATION && 32BIT select SERIAL_CORE default y - ---help--- + help DZ11-family serial controllers for DECstations and VAXstations, including the DC7085, M7814, and M7819. @@ -370,7 +348,7 @@ config SERIAL_DZ_CONSOLE depends on SERIAL_DZ=y select SERIAL_CORE_CONSOLE default y - ---help--- + help If you say Y here, it will be possible to use a serial port as the system console (the system console is the device which receives all kernel messages and warnings and which allows logins in single user @@ -386,7 +364,7 @@ config SERIAL_ZS depends on MACH_DECSTATION select SERIAL_CORE default y - ---help--- + help Support for the Zilog 85C350 serial communications controller used for serial ports in newer DECstation systems. These include the DECsystem 5900 and all models of the DECstation and DECsystem 5000 @@ -400,7 +378,7 @@ config SERIAL_ZS_CONSOLE depends on SERIAL_ZS=y select SERIAL_CORE_CONSOLE default y - ---help--- + help If you say Y here, it will be possible to use a serial port as the system console (the system console is the device which receives all kernel messages and warnings and which allows logins in single user @@ -435,20 +413,6 @@ config SERIAL_21285_CONSOLE your boot loader (lilo or loadlin) about how to pass options to the kernel at boot time.) -config SERIAL_MPSC - bool "Marvell MPSC serial port support" - depends on MV64X60 - select SERIAL_CORE - help - Say Y here if you want to use the Marvell MPSC serial controller. - -config SERIAL_MPSC_CONSOLE - bool "Support for console on Marvell MPSC serial port" - depends on SERIAL_MPSC - select SERIAL_CORE_CONSOLE - help - Say Y here if you want to support a serial console on a Marvell MPSC. - config SERIAL_PXA bool "PXA serial port support (DEPRECATED)" depends on ARCH_PXA || ARCH_MMP @@ -464,7 +428,7 @@ config SERIAL_PXA config SERIAL_PXA_NON8250 bool - depends on !SERIAL_8250 + depends on !SERIAL_8250 || COMPILE_TEST config SERIAL_PXA_CONSOLE bool "Console on PXA serial port (DEPRECATED)" @@ -489,11 +453,12 @@ config SERIAL_SA1100 bool "SA1100 serial port support" depends on ARCH_SA1100 select SERIAL_CORE + select SERIAL_MCTRL_GPIO if GPIOLIB help If you have a machine based on a SA1100/SA1110 StrongARM(R) CPU you can enable its onboard serial port by enabling this option. - Please read <file:Documentation/arm/SA1100/serial_UART> for further - info. + Please read <file:Documentation/arch/arm/sa1100/serial_uart.rst> for + further info. config SERIAL_SA1100_CONSOLE bool "Console on SA1100 serial port" @@ -521,20 +486,31 @@ config SERIAL_IMX can enable its onboard serial port by enabling this option. config SERIAL_IMX_CONSOLE - bool "Console on IMX serial port" - depends on SERIAL_IMX=y + tristate "Console on IMX serial port" + depends on SERIAL_IMX select SERIAL_CORE_CONSOLE - select SERIAL_EARLYCON if OF help If you have enabled the serial port on the Freescale IMX - CPU you can make it the console by answering Y to this option. + CPU you can make it the console by answering Y/M to this option. - Even if you say Y here, the currently visible virtual console + Even if you say Y/M 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=ttymxc0". (Try "man bootparam" or see the documentation of your bootloader about how to pass options to the kernel at boot time.) +config SERIAL_IMX_EARLYCON + bool "Earlycon on IMX serial port" + depends on ARCH_MXC || COMPILE_TEST + depends on OF + select SERIAL_CORE + select SERIAL_EARLYCON + select SERIAL_CORE_CONSOLE + default y if SERIAL_IMX_CONSOLE + help + If you have enabled the earlycon on the Freescale IMX + CPU you can make it the earlycon by answering Y to this option. + config SERIAL_UARTLITE tristate "Xilinx uartlite serial port support" depends on HAS_IOMEM @@ -563,6 +539,9 @@ config SERIAL_UARTLITE_NR_UARTS help Set this to the number of uartlites in your system, or the number you think you might implement. + If maximum number of uartlite serial ports is more than 4, then the + driver uses dynamic allocation instead of static allocation for major + number. config SERIAL_SUNCORE bool @@ -607,7 +586,7 @@ config SERIAL_MUX depends on GSC select SERIAL_CORE default y - ---help--- + help Saying Y here will enable the hardware MUX serial driver for the Nova, K class systems and D class with a 'remote control card'. The hardware MUX is not 8250/16550 compatible therefore the @@ -627,22 +606,6 @@ config SERIAL_MUX_CONSOLE select SERIAL_CORE_CONSOLE default y -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 - which the hardware based console has not been written yet. The - following steps must be completed to use the PDC console: - - 1. create the device entry (mknod /dev/ttyB0 c 11 0) - 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 - 3. Add device ttyB0 to /etc/securetty (if you want to log on as - root on this console.) - 4. Change the kernel command console parameter to: console=ttyB0 - config SERIAL_SUNSAB tristate "Sun Siemens SAB82532 serial support" depends on SPARC && PCI @@ -681,7 +644,7 @@ config SERIAL_IP22_ZILOG_CONSOLE config SERIAL_SH_SCI tristate "SuperH SCI(F) serial port support" - depends on SUPERH || ARCH_RENESAS || H8300 || COMPILE_TEST + depends on SUPERH || ARCH_RENESAS || COMPILE_TEST select SERIAL_CORE select SERIAL_MCTRL_GPIO if GPIOLIB @@ -690,7 +653,6 @@ config SERIAL_SH_SCI_NR_UARTS range 1 64 if 64BIT range 1 32 if !64BIT depends on SERIAL_SH_SCI - default "3" if H8300 default "10" if SUPERH default "18" if ARCH_RENESAS default "2" @@ -706,32 +668,24 @@ config SERIAL_SH_SCI_EARLYCON depends on SERIAL_SH_SCI=y select SERIAL_CORE_CONSOLE select SERIAL_EARLYCON - default ARCH_RENESAS || H8300 + default ARCH_RENESAS config SERIAL_SH_SCI_DMA bool "DMA support" if EXPERT depends on SERIAL_SH_SCI && DMA_ENGINE default ARCH_RENESAS -config SERIAL_PNX8XXX - bool "Enable PNX8XXX SoCs' UART Support" - depends on SOC_PNX833X - select SERIAL_CORE - help - If you have a MIPS-based Philips SoC such as PNX8330 and you want - to use serial ports, say Y. Otherwise, say N. - -config SERIAL_PNX8XXX_CONSOLE - bool "Enable PNX8XX0 serial console" - depends on SERIAL_PNX8XXX - select SERIAL_CORE_CONSOLE +config SERIAL_RSCI + tristate "Support for Renesas RZ/T2H SCI variant" + depends on SERIAL_SH_SCI help - If you have a MIPS-based Philips SoC such as PNX8330 and you want - to use serial console, say Y. Otherwise, say N. + Support for the RZ/T2H SCI variant with fifo. + Say Y if you want to be able to use the RZ/T2H SCI serial port. config SERIAL_HS_LPC32XX tristate "LPC32XX high speed serial port support" - depends on ARCH_LPC32XX && OF + depends on ARCH_LPC32XX || COMPILE_TEST + depends on OF select SERIAL_CORE help Support for the LPC32XX high speed serial ports (up to 900kbps). @@ -828,7 +782,7 @@ config SERIAL_CPM depends on CPM2 || CPM1 select SERIAL_CORE help - This driver supports the SCC and SMC serial ports on Motorola + This driver supports the SCC and SMC serial ports on Motorola embedded PowerPC that contain a CPM1 (8xx) or CPM2 (8xxx) config SERIAL_CPM_CONSOLE @@ -847,19 +801,9 @@ config SERIAL_CPM_CONSOLE your boot loader (lilo or loadlin) about how to pass options to the kernel at boot time.) -config SERIAL_SGI_L1_CONSOLE - bool "SGI Altix L1 serial console support" - depends on IA64_GENERIC || IA64_SGI_SN2 - select SERIAL_CORE - select SERIAL_CORE_CONSOLE - help - If you have an SGI Altix and you would like to use the system - controller serial port as your console (you want this!), - say Y. Otherwise, say N. - config SERIAL_PIC32 tristate "Microchip PIC32 serial support" - depends on MACH_PIC32 + depends on MACH_PIC32 || (MIPS && COMPILE_TEST) select SERIAL_CORE help If you have a PIC32, this driver supports the serial ports. @@ -870,7 +814,7 @@ config SERIAL_PIC32 config SERIAL_PIC32_CONSOLE bool "PIC32 serial console support" - depends on SERIAL_PIC32 + depends on SERIAL_PIC32=y select SERIAL_CORE_CONSOLE help If you have a PIC32, this driver supports the putting a console on one @@ -907,7 +851,8 @@ config SERIAL_MPC52xx_CONSOLE_BAUD config SERIAL_ICOM tristate "IBM Multiport Serial Adapter" - depends on PCI && PPC_PSERIES + depends on PCI + depends on PPC_PSERIES || COMPILE_TEST select SERIAL_CORE select FW_LOADER help @@ -941,26 +886,9 @@ config SERIAL_TXX9_STDSERIAL bool "TX39XX/49XX SIO act as standard serial" depends on !SERIAL_8250 && SERIAL_TXX9 -config SERIAL_VR41XX - tristate "NEC VR4100 series Serial Interface Unit support" - depends on CPU_VR41XX - select SERIAL_CORE - help - If you have a NEC VR4100 series processor and you want to use - Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU) - (not include VR4111/VR4121 DSIU), say Y. Otherwise, say N. - -config SERIAL_VR41XX_CONSOLE - bool "Enable NEC VR4100 series Serial Interface Unit console" - depends on SERIAL_VR41XX=y - select SERIAL_CORE_CONSOLE - help - If you have a NEC VR4100 series processor and you want to use - a console on a serial port, say Y. Otherwise, say N. - config SERIAL_JSM tristate "Digi International NEO and Classic PCI Support" - depends on PCI + depends on PCI && HAS_IOPORT select SERIAL_CORE help This is a driver for Digi International's Neo and Classic series @@ -974,26 +902,9 @@ config SERIAL_JSM To compile this driver as a module, choose M here: the module will be called jsm. -config SERIAL_SGI_IOC4 - tristate "SGI IOC4 controller serial support" - depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC4 - select SERIAL_CORE - help - If you have an SGI Altix with an IOC4 based Base IO card - and wish to use the serial ports on this card, say Y. - Otherwise, say N. - -config SERIAL_SGI_IOC3 - tristate "SGI Altix IOC3 serial support" - depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC3 - select SERIAL_CORE - help - If you have an SGI Altix with an IOC3 serial card, - say Y or M. Otherwise, say N. - config SERIAL_MSM tristate "MSM on-chip serial port support" - depends on ARCH_QCOM + depends on ARCH_QCOM || COMPILE_TEST select SERIAL_CORE config SERIAL_MSM_CONSOLE @@ -1010,16 +921,24 @@ config SERIAL_QCOM_GENI config SERIAL_QCOM_GENI_CONSOLE bool "QCOM GENI Serial Console support" - depends on SERIAL_QCOM_GENI=y + depends on SERIAL_QCOM_GENI select SERIAL_CORE_CONSOLE select SERIAL_EARLYCON help Serial console driver for Qualcomm Technologies Inc's GENI based QUP hardware. +config SERIAL_QCOM_GENI_UART_PORTS + int "Maximum number of GENI UART ports" + depends on SERIAL_QCOM_GENI + default "8" + help + Set this to the maximum number of serial ports you want the driver + to support. + config SERIAL_VT8500 bool "VIA VT8500 on-chip serial port support" - depends on ARCH_VT8500 + depends on ARCH_VT8500 || COMPILE_TEST select SERIAL_CORE config SERIAL_VT8500_CONSOLE @@ -1027,28 +946,9 @@ config SERIAL_VT8500_CONSOLE depends on SERIAL_VT8500=y select SERIAL_CORE_CONSOLE -config SERIAL_NETX - tristate "NetX serial port support" - depends on ARCH_NETX - select SERIAL_CORE - help - If you have a machine based on a Hilscher NetX SoC you - can enable its onboard serial port by enabling this option. - - To compile this driver as a module, choose M here: the - module will be called netx-serial. - -config SERIAL_NETX_CONSOLE - bool "Console on NetX serial port" - depends on SERIAL_NETX=y - select SERIAL_CORE_CONSOLE - help - If you have enabled the serial port on the Hilscher NetX SoC - you can make it the console by answering Y to this option. - config SERIAL_OMAP tristate "OMAP serial port support" - depends on ARCH_OMAP2PLUS + depends on (ARCH_OMAP2PLUS && !SERIAL_8250_OMAP) || COMPILE_TEST select SERIAL_CORE help If you have a machine based on an Texas Instruments OMAP CPU you @@ -1073,21 +973,56 @@ 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 + default ARCH_SIFIVE || ARCH_CANAAN + 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 + default ARCH_SIFIVE || ARCH_CANAAN + select SERIAL_CORE_CONSOLE + select SERIAL_EARLYCON + 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 + tristate "Lantiq serial driver" + depends on (LANTIQ || X86) || COMPILE_TEST select SERIAL_CORE + help + Support for UART on Lantiq and Intel SoCs. + To compile this driver as a module, select M here. The + module will be called lantiq. + +config SERIAL_LANTIQ_CONSOLE + bool "Console on Lantiq UART" + depends on SERIAL_LANTIQ=y select SERIAL_CORE_CONSOLE select SERIAL_EARLYCON help - Support for console and UART on Lantiq SoCs. + Select this option if you would like to use a Lantiq UART as the + system console. config SERIAL_QE tristate "Freescale QUICC Engine serial port support" 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. @@ -1107,54 +1042,45 @@ config SERIAL_SCCNXP_CONSOLE help Support for console on SCCNXP serial ports. -config SERIAL_SC16IS7XX_CORE - tristate - config SERIAL_SC16IS7XX - tristate "SC16IS7xx serial support" - select SERIAL_CORE - depends on (SPI_MASTER && !I2C) || I2C - help - This selects support for SC16IS7xx serial ports. - Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752, - SC16IS760 and SC16IS762. Select supported buses using options below. + tristate "NXP SC16IS7xx UART support" + depends on SPI_MASTER || I2C || COMPILE_TEST + select SERIAL_CORE + select SERIAL_SC16IS7XX_SPI if SPI_MASTER + select SERIAL_SC16IS7XX_I2C if I2C + help + Core driver for NXP SC16IS7xx UARTs. + Supported ICs are: + + SC16IS740 + SC16IS741 + SC16IS750 + SC16IS752 + SC16IS760 + SC16IS762 + + The driver supports both I2C and SPI interfaces. config SERIAL_SC16IS7XX_I2C - bool "SC16IS7xx for I2C interface" - depends on SERIAL_SC16IS7XX - depends on I2C - select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX - select REGMAP_I2C if I2C - default y - help - Enable SC16IS7xx driver on I2C bus, - If required say y, and say n to i2c if not required, - Enabled by default to support oldconfig. - You must select at least one bus for the driver to be built. + tristate + select REGMAP_I2C config SERIAL_SC16IS7XX_SPI - bool "SC16IS7xx for spi interface" - depends on SERIAL_SC16IS7XX - depends on SPI_MASTER - select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX - select REGMAP_SPI if SPI_MASTER - help - Enable SC16IS7xx driver on SPI bus, - If required say y, and say n to spi if not required, - This is additional support to exsisting driver. - You must select at least one bus for the driver to be built. + tristate + select REGMAP_SPI config SERIAL_TIMBERDALE tristate "Support for timberdale UART" select SERIAL_CORE depends on X86_32 || COMPILE_TEST - ---help--- + help Add support for UART controller on timberdale. config SERIAL_BCM63XX tristate "Broadcom BCM63xx/BCM33xx UART support" select SERIAL_CORE - depends on MIPS || ARM || COMPILE_TEST + depends on ARCH_BCMBCA || BCM63XX || BMIPS_GENERIC || COMPILE_TEST + default ARCH_BCMBCA || BCM63XX || BMIPS_GENERIC help This enables the driver for the onchip UART core found on the following chipsets: @@ -1177,7 +1103,7 @@ config SERIAL_GRLIB_GAISLER_APBUART tristate "GRLIB APBUART serial support" depends on OF && SPARC select SERIAL_CORE - ---help--- + help Add support for the GRLIB APBUART serial port. config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE @@ -1241,13 +1167,6 @@ config SERIAL_ALTERA_UART_CONSOLE help Enable a Altera UART port to be the system console. -config SERIAL_IFX6X60 - tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)" - depends on GPIOLIB || COMPILE_TEST - depends on SPI && HAS_DMA - help - Support for the IFX6x60 modem devices on Intel MID platforms. - config SERIAL_PCH_UART tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART" depends on PCI && (X86_32 || MIPS || COMPILE_TEST) @@ -1307,8 +1226,9 @@ config SERIAL_XILINX_PS_UART_CONSOLE config SERIAL_AR933X tristate "AR933X serial port support" - depends on HAVE_CLK && ATH79 + depends on (HAVE_CLK && ATH79) || (MIPS && COMPILE_TEST) select SERIAL_CORE + select SERIAL_MCTRL_GPIO if GPIOLIB help If you have an Atheros AR933X SOC based board and want to use the built-in UART of the SoC, say Y to this option. @@ -1331,14 +1251,6 @@ config SERIAL_AR933X_NR_UARTS Set this to the number of serial ports you want the driver to support. -config SERIAL_EFM32_UART - tristate "EFM32 UART/USART port" - depends on ARM && (ARCH_EFM32 || COMPILE_TEST) - select SERIAL_CORE - help - This driver support the USART and UART ports on - Energy Micro's efm32 SoCs. - config SERIAL_MPS2_UART_CONSOLE bool "MPS2 UART console support" depends on SERIAL_MPS2_UART @@ -1352,11 +1264,6 @@ config SERIAL_MPS2_UART help This driver support the UART ports on ARM MPS2. -config SERIAL_EFM32_UART_CONSOLE - bool "EFM32 UART/USART console support" - depends on SERIAL_EFM32_UART=y - select SERIAL_CORE_CONSOLE - config SERIAL_ARC tristate "ARC UART driver support" select SERIAL_CORE @@ -1421,6 +1328,22 @@ config SERIAL_FSL_LPUART_CONSOLE If you have enabled the lpuart serial port on the Freescale SoCs, you can make it the console by answering Y to this option. +config SERIAL_FSL_LINFLEXUART + tristate "Freescale LINFlexD UART serial port support" + depends on PRINTK + select SERIAL_CORE + help + Support for the on-chip LINFlexD UART on some Freescale SOCs. + +config SERIAL_FSL_LINFLEXUART_CONSOLE + bool "Console on Freescale LINFlexD UART serial port" + depends on SERIAL_FSL_LINFLEXUART=y + select SERIAL_CORE_CONSOLE + select SERIAL_EARLYCON + help + If you have enabled the LINFlexD UART serial port on the Freescale + SoCs, you can make it the console by answering Y to this option. + config SERIAL_CONEXANT_DIGICOLOR tristate "Conexant Digicolor CX92xxx USART serial port support" depends on OF @@ -1441,7 +1364,7 @@ config SERIAL_ST_ASC select SERIAL_CORE depends on ARM || COMPILE_TEST help - This driver is for the on-chip Asychronous Serial Controller on + This driver is for the on-chip Asynchronous Serial Controller on STMicroelectronics STi SoCs. ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality. It support all industry standard baud rates. @@ -1466,8 +1389,8 @@ config SERIAL_MEN_Z135 config SERIAL_SPRD tristate "Support for Spreadtrum serial" - depends on ARCH_SPRD select SERIAL_CORE + depends on COMMON_CLK help This enables the driver for the Spreadtrum's serial. @@ -1486,6 +1409,7 @@ config SERIAL_STM32 tristate "STMicroelectronics STM32 serial port support" select SERIAL_CORE depends on ARCH_STM32 || COMPILE_TEST + select SERIAL_MCTRL_GPIO if GPIOLIB help This driver is for the on-chip Serial Controller on STMicroelectronics STM32 MCUs. @@ -1496,12 +1420,14 @@ config SERIAL_STM32 config SERIAL_STM32_CONSOLE bool "Support for console on STM32" - depends on SERIAL_STM32=y + depends on SERIAL_STM32 select SERIAL_CORE_CONSOLE + select SERIAL_EARLYCON config SERIAL_MVEBU_UART bool "Marvell EBU serial port support" depends on ARCH_MVEBU || COMPILE_TEST + depends on COMMON_CLK select SERIAL_CORE help This driver is for Marvell EBU SoC's UART. If you have a machine @@ -1560,9 +1486,140 @@ 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). + +config SERIAL_LITEUART + tristate "LiteUART serial port support" + depends on HAS_IOMEM + depends on OF + depends on LITEX || COMPILE_TEST + 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 + select SERIAL_EARLYCON + 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'. + +config SERIAL_SUNPLUS + tristate "Sunplus UART support" + depends on ARCH_SUNPLUS || COMPILE_TEST + select SERIAL_CORE + help + Select this option if you would like to use Sunplus serial port on + Sunplus SoC SP7021. + If you enable this option, Sunplus serial ports in the system will + be registered as ttySUPx. + This driver can also be built as a module. If so, the module will be + called sunplus-uart. + +config SERIAL_SUNPLUS_CONSOLE + bool "Console on Sunplus UART" + depends on SERIAL_SUNPLUS + select SERIAL_CORE_CONSOLE + select SERIAL_EARLYCON + help + Select this option if you would like to use a Sunplus 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=ttySUPx". + +config SERIAL_NUVOTON_MA35D1 + tristate "Nuvoton MA35D1 family UART support" + depends on ARCH_MA35 || COMPILE_TEST + select SERIAL_CORE + help + This driver supports Nuvoton MA35D1 family UART ports. If you would + like to use them, you must answer Y or M to this option. Note that + for use as console, it must be included in kernel and not as a + module. If you enable this option, Ma35D1 serial ports in the system + will be registered as ttyNVTx. + +config SERIAL_NUVOTON_MA35D1_CONSOLE + bool "Console on a Nuvotn MA35D1 family UART port" + depends on SERIAL_NUVOTON_MA35D1=y + select SERIAL_CORE_CONSOLE + help + Select this options if you'd like to use the UART port0 of the + Nuvoton MA35D1 family as a 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=ttyNVTx". + +config SERIAL_ESP32 + tristate "Espressif ESP32 UART support" + depends on XTENSA_PLATFORM_ESP32 || (COMPILE_TEST && OF) + select SERIAL_CORE + select SERIAL_CORE_CONSOLE + select SERIAL_EARLYCON + help + Driver for the UART controllers of the Espressif ESP32xx SoCs. + When earlycon option is enabled the following kernel command line + snippets may be used: + earlycon=esp32s3uart,mmio32,0x60000000,115200n8,40000000 + earlycon=esp32uart,mmio32,0x3ff40000,115200n8 + +config SERIAL_ESP32_ACM + tristate "Espressif ESP32 USB ACM gadget support" + depends on XTENSA_PLATFORM_ESP32 || (COMPILE_TEST && OF) + select SERIAL_CORE + select SERIAL_CORE_CONSOLE + select SERIAL_EARLYCON + help + Driver for the CDC ACM gadget controller of the Espressif ESP32S3 + SoCs that share separate USB controller with the JTAG adapter. + When earlycon option is enabled the following kernel command line + snippet may be used: + earlycon=esp32s3acm,mmio32,0x60038000 + endmenu config SERIAL_MCTRL_GPIO tristate - -endif # TTY |