# Kconfig.nrfx - nrfx UART configuration
#
# Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
#
# SPDX-License-Identifier: Apache-2.0
#

menuconfig UART_NRFX
	bool "nRF UART nrfx drivers"
	default y
	select SERIAL_HAS_DRIVER
	select SERIAL_SUPPORT_INTERRUPT
	depends on SOC_FAMILY_NRF
	help
	  Enable support for nrfx UART drivers for nRF MCU series.
	  Peripherals with the same instance ID cannot be used together,
	  e.g. UART_0 and UARTE_0.

if UART_NRFX


# ----------------- port 0 -----------------
choice
	prompt "UART Port 0 Driver type"
	optional

config UART_0_NRF_UART
	bool "nRF UART 0"
	depends on HAS_HW_NRF_UART0
	select NRF_UART_PERIPHERAL
	help
	  Enable nRF UART without EasyDMA on port 0.

config UART_0_NRF_UARTE
	bool "nRF UARTE 0"
	depends on HAS_HW_NRF_UARTE0
	select NRF_UARTE_PERIPHERAL
	help
	  Enable nRF UART with EasyDMA on port 0.
endchoice

if UART_0_NRF_UART || UART_0_NRF_UARTE

config UART_0_INTERRUPT_DRIVEN
	bool "Enable interrupt support on port 0"
	depends on UART_INTERRUPT_DRIVEN
	default y
	help
	  This option enables UART interrupt support on port 0.

config UART_0_NRF_PARITY_BIT
	bool "Enable parity bit"
	help
	  Enable parity bit.

config UART_0_NRF_FLOW_CONTROL
	bool "Enable flow control"
	help
	  Enable flow control. If selected, additionally two pins, RTS and CTS
	  have to be configured.

config UART_0_NRF_TX_BUFFER_SIZE
	int "Size of RAM buffer"
	depends on UART_0_NRF_UARTE
	range 1 65535
	default 32
	help
	  Size of the transmit buffer for API function: fifo_fill.
	  This value is limited by range of TXD.MAXCNT register for
	  particular SoC.

endif # UART_0_NRF_UART || UART_0_NRF_UARTE

# ----------------- port 1 -----------------
config UART_1_NRF_UARTE
	bool "nRF UARTE 1"
	depends on HAS_HW_NRF_UARTE1
	select NRF_UARTE_PERIPHERAL
	help
	  Enable nRF UART with EasyDMA on port 1.

if UART_1_NRF_UARTE

config UART_1_INTERRUPT_DRIVEN
	bool "Enable interrupt support on port 1"
	depends on UART_INTERRUPT_DRIVEN
	default y
	help
	  This option enables UART interrupt support on port 1.

config UART_1_NRF_PARITY_BIT
	bool "Enable parity bit"
	help
	  Enable parity bit.

config UART_1_NRF_FLOW_CONTROL
	bool "Enable flow control"
	help
	  Enable flow control. If selected, additionally two pins, RTS and CTS
	  have to be configured.

config UART_1_NRF_TX_BUFFER_SIZE
	int "Size of RAM buffer"
	range 1 65535
	default 32
	help
	  Size of the transmit buffer for API function: fifo_fill.
	  This value is limited by range of TXD.MAXCNT register for
	  particular SoC.

endif # UART_1_NRF_UARTE

# ----------------- port 2 -----------------
config UART_2_NRF_UARTE
	bool "nRF UARTE 2"
	depends on HAS_HW_NRF_UARTE2
	select NRF_UARTE_PERIPHERAL
	help
	  Enable nRF UART with EasyDMA on port 2.

if UART_2_NRF_UARTE

config UART_2_INTERRUPT_DRIVEN
	bool "Enable interrupt support on port 2"
	depends on UART_INTERRUPT_DRIVEN
	default y
	help
	  This option enables UART interrupt support on port 2.

config UART_2_NRF_PARITY_BIT
	bool "Enable parity bit"
	help
	  Enable parity bit.

config UART_2_NRF_FLOW_CONTROL
	bool "Enable flow control"
	help
	  Enable flow control. If selected, additionally two pins, RTS and CTS
	  have to be configured.

config UART_2_NRF_TX_BUFFER_SIZE
	int "Size of RAM buffer"
	range 1 65535
	default 32
	help
	  Size of the transmit buffer for API function: fifo_fill.
	  This value is limited by range of TXD.MAXCNT register for
	  particular SoC.

endif # UART_2_NRF_UARTE

# ----------------- port 3 -----------------
config UART_3_NRF_UARTE
	bool "nRF UARTE 3"
	depends on HAS_HW_NRF_UARTE3
	select NRF_UARTE_PERIPHERAL
	help
	  Enable nRF UART with EasyDMA on port 3.

if UART_3_NRF_UARTE

config UART_3_INTERRUPT_DRIVEN
	bool "Enable interrupt support on port 3"
	depends on UART_INTERRUPT_DRIVEN
	default y
	help
	  This option enables UART interrupt support on port 3.

config UART_3_NRF_PARITY_BIT
	bool "Enable parity bit"
	help
	  Enable parity bit.

config UART_3_NRF_FLOW_CONTROL
	bool "Enable flow control"
	help
	  Enable flow control. If selected, additionally two pins, RTS and CTS
	  have to be configured.

config UART_3_NRF_TX_BUFFER_SIZE
	int "Size of RAM buffer"
	range 1 65535
	default 32
	help
	  Size of the transmit buffer for API function: fifo_fill.
	  This value is limited by range of TXD.MAXCNT register for
	  particular SoC.

endif # UART_3_NRF_UARTE

config NRF_UART_PERIPHERAL
	bool

config NRF_UARTE_PERIPHERAL
	bool

endif # UART_NRFX