# 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
	select SERIAL_SUPPORT_ASYNC
	select PINCTRL
	depends on DT_HAS_NORDIC_NRF_UART_ENABLED || DT_HAS_NORDIC_NRF_UARTE_ENABLED
	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

config UART_NRFX_UART
	def_bool y
	depends on DT_HAS_NORDIC_NRF_UART_ENABLED

config UART_NRFX_UARTE
	def_bool y
	depends on DT_HAS_NORDIC_NRF_UARTE_ENABLED
	imply NRFX_UARTE_CONFIG_SKIP_PSEL_CONFIG if !UART_NRFX_UARTE_LEGACY_SHIM
	imply NRFX_UARTE_CONFIG_SKIP_GPIO_CONFIG if !UART_NRFX_UARTE_LEGACY_SHIM

config UART_NRFX_UARTE_LEGACY_SHIM
	bool "Legacy UARTE shim"
	depends on UART_NRFX_UARTE
	# New shim takes more ROM. Until it is fixed use legacy shim.
	default y

config UART_ASYNC_TX_CACHE_SIZE
	int "TX cache buffer size"
	depends on UART_ASYNC_API
	depends on UART_NRFX_UARTE_LEGACY_SHIM
	default 8
	help
	  For UARTE, TX cache buffer is used when provided TX buffer is not located
	  in RAM, because EasyDMA in UARTE peripherals can only transfer data
	  from RAM.

if HAS_HW_NRF_UART0 || HAS_HW_NRF_UARTE0
nrfx_uart_num = 0
rsource "Kconfig.nrfx_uart_instance"
endif

if HAS_HW_NRF_UARTE1
nrfx_uart_num = 1
rsource "Kconfig.nrfx_uart_instance"
endif

if HAS_HW_NRF_UARTE2
nrfx_uart_num = 2
rsource "Kconfig.nrfx_uart_instance"
endif

if HAS_HW_NRF_UARTE3
nrfx_uart_num = 3
rsource "Kconfig.nrfx_uart_instance"
endif

config NRFX_TIMER0
	default y
	depends on UART_0_NRF_HW_ASYNC_TIMER = 0 \
		|| UART_1_NRF_HW_ASYNC_TIMER = 0 \
		|| UART_2_NRF_HW_ASYNC_TIMER = 0 \
		|| UART_3_NRF_HW_ASYNC_TIMER = 0

config NRFX_TIMER1
	default y
	depends on UART_0_NRF_HW_ASYNC_TIMER = 1 \
		|| UART_1_NRF_HW_ASYNC_TIMER = 1 \
		|| UART_2_NRF_HW_ASYNC_TIMER = 1 \
		|| UART_3_NRF_HW_ASYNC_TIMER = 1

config NRFX_TIMER2
	default y
	depends on UART_0_NRF_HW_ASYNC_TIMER = 2 \
		|| UART_1_NRF_HW_ASYNC_TIMER = 2 \
		|| UART_2_NRF_HW_ASYNC_TIMER = 2 \
		|| UART_3_NRF_HW_ASYNC_TIMER = 2

config NRFX_TIMER3
	default y
	depends on UART_0_NRF_HW_ASYNC_TIMER = 3 \
		|| UART_1_NRF_HW_ASYNC_TIMER = 3 \
		|| UART_2_NRF_HW_ASYNC_TIMER = 3 \
		|| UART_3_NRF_HW_ASYNC_TIMER = 3

config NRFX_TIMER4
	default y
	depends on UART_0_NRF_HW_ASYNC_TIMER = 4 \
		|| UART_1_NRF_HW_ASYNC_TIMER = 4 \
		|| UART_2_NRF_HW_ASYNC_TIMER = 4 \
		|| UART_3_NRF_HW_ASYNC_TIMER = 4

endif # UART_NRFX