From 194de5612777a9ff4f96dae1932f77a5a89e5f0a Mon Sep 17 00:00:00 2001 From: Bryan Wu Date: Sun, 6 May 2007 14:50:30 -0700 Subject: blackfin: serial driver This patch implements the driver necessary use the Analog Devices Blackfin processor's Serial Port. Signed-off-by: Bryan Wu Cc: Alan Cox Cc: Russell King Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/serial/Kconfig | 94 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 94 insertions(+) (limited to 'drivers/serial/Kconfig') diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index e9d927e..924e9bd 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -508,6 +508,100 @@ config SERIAL_SA1100_CONSOLE your boot loader (lilo or loadlin) about how to pass options to the kernel at boot time.) +config SERIAL_BFIN + tristate "Blackfin serial port support" + depends on BFIN + select SERIAL_CORE + select SERIAL_BFIN_UART0 if (BF531 || BF532 || BF533 || BF561) + help + Add support for the built-in UARTs on the Blackfin. + + To compile this driver as a module, choose M here: the + module will be called bfin_5xx. + +config SERIAL_BFIN_CONSOLE + bool "Console on Blackfin serial port" + depends on SERIAL_BFIN + select SERIAL_CORE_CONSOLE + +choice + prompt "UART Mode" + depends on SERIAL_BFIN + default SERIAL_BFIN_DMA + help + This driver supports the built-in serial ports of the Blackfin family + of CPUs + +config SERIAL_BFIN_DMA + bool "DMA mode" + depends on DMA_UNCACHED_1M + help + This driver works under DMA mode. If this option is selected, the + blackfin simple dma driver is also enabled. + +config SERIAL_BFIN_PIO + bool "PIO mode" + help + This driver works under PIO mode. + +endchoice + +config SERIAL_BFIN_UART0 + bool "Enable UART0" + depends on SERIAL_BFIN + help + Enable UART0 + +config BFIN_UART0_CTSRTS + bool "Enable UART0 hardware flow control" + depends on SERIAL_BFIN_UART0 + help + Enable hardware flow control in the driver. Using GPIO emulate the CTS/RTS + signal. + +config UART0_CTS_PIN + int "UART0 CTS pin" + depends on BFIN_UART0_CTSRTS + default 23 + help + The default pin is GPIO_GP7. + Refer to ./include/asm-blackfin/gpio.h to see the GPIO map. + +config UART0_RTS_PIN + int "UART0 RTS pin" + depends on BFIN_UART0_CTSRTS + default 22 + help + The default pin is GPIO_GP6. + Refer to ./include/asm-blackfin/gpio.h to see the GPIO map. + +config SERIAL_BFIN_UART1 + bool "Enable UART1" + depends on SERIAL_BFIN && (BF534 || BF536 || BF537) + help + Enable UART1 + +config BFIN_UART1_CTSRTS + bool "Enable UART1 hardware flow control" + depends on SERIAL_BFIN_UART1 + help + Enable hardware flow control in the driver. Using GPIO emulate the CTS/RTS + signal. + +config UART1_CTS_PIN + int "UART1 CTS pin" + depends on BFIN_UART1_CTSRTS + default -1 + help + Refer to ./include/asm-blackfin/gpio.h to see the GPIO map. + +config UART1_RTS_PIN + int "UART1 RTS pin" + depends on BFIN_UART1_CTSRTS + default -1 + help + Refer to ./include/asm-blackfin/gpio.h to see the GPIO map. + config SERIAL_IMX bool "IMX serial port support" depends on ARM && ARCH_IMX -- cgit v1.1