80 lines
1.8 KiB
Plaintext
80 lines
1.8 KiB
Plaintext
# STM32 CAN configuration options
|
|
|
|
# Copyright (c) 2020 Alexander Wachter
|
|
# SPDX-License-Identifier: Apache-2.0
|
|
|
|
config CAN_STM32FD
|
|
bool "STM32 FDCAN driver"
|
|
default y
|
|
depends on DT_HAS_ST_STM32_FDCAN_ENABLED
|
|
select CAN_MCAN
|
|
select USE_STM32_LL_RCC
|
|
|
|
if CAN_STM32FD
|
|
|
|
config CAN_MAX_STD_ID_FILTER
|
|
int "Maximum number of std ID filters"
|
|
default 28
|
|
range 0 28
|
|
help
|
|
Defines the maximum number of filters with standard ID (11-bit)
|
|
that can be attached.
|
|
|
|
config CAN_MAX_EXT_ID_FILTER
|
|
int "Maximum number of ext ID filters"
|
|
default 8
|
|
range 0 8
|
|
help
|
|
Defines the maximum number of filters with extended ID (29-bit)
|
|
that can be attached.
|
|
|
|
choice CAN_STM32FD_CLOCK_SOURCE
|
|
prompt "CAN clock source"
|
|
default CAN_STM32FD_CLOCK_SOURCE_HSE
|
|
help
|
|
CAN clock source selection.
|
|
|
|
config CAN_STM32FD_CLOCK_SOURCE_HSE
|
|
bool "HSE"
|
|
help
|
|
HSE clock used as FDCAN clock source.
|
|
|
|
config CAN_STM32FD_CLOCK_SOURCE_PLL
|
|
bool "PLL"
|
|
depends on !SOC_SERIES_STM32U5X
|
|
help
|
|
PLL "Q" clock used ad FDCAN clock source.
|
|
|
|
config CAN_STM32FD_CLOCK_SOURCE_PCLK1
|
|
bool "PCLK1"
|
|
depends on !SOC_SERIES_STM32U5X
|
|
help
|
|
PCLK1 clock used ad FDCAN clock source.
|
|
|
|
config CAN_STM32FD_CLOCK_SOURCE_PLL1Q
|
|
bool "PLL1Q"
|
|
depends on SOC_SERIES_STM32U5X
|
|
help
|
|
PLL1 "Q" clock used as FDCAN clock source.
|
|
|
|
config CAN_STM32FD_CLOCK_SOURCE_PLL2P
|
|
bool "PLL2P"
|
|
depends on SOC_SERIES_STM32U5X
|
|
help
|
|
PLL2 "P" clock used as FDCAN clock source.
|
|
|
|
endchoice
|
|
|
|
config CAN_STM32FD_CLOCK_DIVISOR
|
|
int "CAN clock divisor"
|
|
depends on CAN_STM32FD_CLOCK_SOURCE_PCLK1
|
|
range 1 30
|
|
default 1
|
|
help
|
|
The APB clock is divided by this value (stored in CKDIV register)
|
|
before it is fed to the CAN core.
|
|
Note that the the divisor affects all CAN controllers.
|
|
Allowed values: 1 or 2 * n, where n <= 15.
|
|
|
|
endif # CAN_STM32FD
|