zephyr/drivers/serial/Kconfig

# Kconfig - serial driver configuration options

#
# Copyright (c) 2014-2015 Wind River Systems, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

menuconfig SERIAL
	bool
	prompt "Serial Drivers"
	default n
	help
	Enable options for serial drivers.

if SERIAL

config SERIAL_HAS_DRIVER
	bool
	default n
	help
	This is an option to be enabled by individual serial driver
	to signal that there is a serial driver. This is being used
	by other drivers which are dependent on serial.

config  UART_INTERRUPT_DRIVEN
	bool
	prompt "Enable UART Interrupt support"
	default n
	help
	This option enables interrupt support for UART allowing console
	input and other UART based drivers.

choice
	prompt "UART IRQ Trigger Condition"
	default UART_IRQ_RISING_EDGE
	depends on UART_INTERRUPT_DRIVEN

config UART_IRQ_FALLING_EDGE
	bool "Falling Edge"
	help
	This option signifies that the UART uses falling edge interrupt.

config UART_IRQ_RISING_EDGE
	bool "Rising Edge"
	help
	This option signifies that the UART uses rising edge interrupt.

config UART_IRQ_LEVEL_HIGH
	bool "Level High"
	help
	This option signifies that the UART uses level high interrupt.

config UART_IRQ_LEVEL_LOW
	bool "Level Low"
	help
	This option signifies that the UART uses level low interrupt.

endchoice

source "drivers/serial/Kconfig.ns16550"

source "drivers/serial/Kconfig.k20"

source "drivers/serial/Kconfig.stellaris"

source "drivers/serial/Kconfig.nsim"

endif