drivers/uart: introduce SERIAL_SUPPORT_ASYNC option
Not all serial drivers support ASYNC operation and if they do, they might not support it on every SoC. Add the SERIAL_SUPPORT_ASYNC option to indicate ASYNC operation is availiable. Signed-off-by: Benjamin Valentin <benjamin.valentin@ml-pa.com>
This commit is contained in:
parent
f74cebba34
commit
4d89ff1232
3 changed files with 10 additions and 0 deletions
|
@ -22,6 +22,12 @@ config SERIAL_HAS_DRIVER
|
|||
to signal that there is a serial driver. This is being used
|
||||
by other drivers which are dependent on serial.
|
||||
|
||||
config SERIAL_SUPPORT_ASYNC
|
||||
bool
|
||||
help
|
||||
This is an option to be enabled by individual serial driver
|
||||
to signal that the driver and hardware supports async operation.
|
||||
|
||||
config SERIAL_SUPPORT_INTERRUPT
|
||||
bool
|
||||
help
|
||||
|
@ -30,6 +36,7 @@ config SERIAL_SUPPORT_INTERRUPT
|
|||
|
||||
config UART_ASYNC_API
|
||||
bool "Enable new asynchronous UART API [EXPERIMENTAL]"
|
||||
depends on SERIAL_SUPPORT_ASYNC
|
||||
help
|
||||
This option enables new asynchronous UART API.
|
||||
|
||||
|
|
|
@ -10,6 +10,7 @@ menuconfig UART_NRFX
|
|||
default y
|
||||
select SERIAL_HAS_DRIVER
|
||||
select SERIAL_SUPPORT_INTERRUPT
|
||||
select SERIAL_SUPPORT_ASYNC
|
||||
depends on SOC_FAMILY_NRF
|
||||
help
|
||||
Enable support for nrfx UART drivers for nRF MCU series.
|
||||
|
|
|
@ -9,6 +9,8 @@ menuconfig UART_SAM0
|
|||
depends on SOC_FAMILY_SAM0
|
||||
select SERIAL_HAS_DRIVER
|
||||
select SERIAL_SUPPORT_INTERRUPT
|
||||
# the ASYNC implementation requires a DMA controller
|
||||
select SERIAL_SUPPORT_ASYNC if ($(dt_int_val,DT_ATMEL_SAM0_DMAC_0) != 0)
|
||||
select DMA if UART_ASYNC_API
|
||||
help
|
||||
This option enables the SERCOMx USART driver for Atmel SAM0 MCUs.
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue