2021-02-12 03:07:04 +08:00
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# STM32 CAN configuration options
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2021-02-07 22:47:52 +08:00
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# Copyright (c) 2020 Alexander Wachter
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# SPDX-License-Identifier: Apache-2.0
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DT_COMPAT_STM32_FDCAN := st,stm32-fdcan
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config CAN_STM32FD
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bool "STM32 FDCAN driver"
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default $(dt_compat_enabled,$(DT_COMPAT_STM32_FDCAN))
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select CAN_MCAN
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select USE_STM32_LL_RCC
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if CAN_STM32FD
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config CAN_MAX_STD_ID_FILTER
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int "Maximum number of std ID filters"
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default 28
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range 0 28
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help
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Defines the maximum number of filters with standard ID (11-bit)
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that can be attached.
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config CAN_MAX_EXT_ID_FILTER
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int "Maximum number of ext ID filters"
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default 8
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range 0 8
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help
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Defines the maximum number of filters with extended ID (29-bit)
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that can be attached.
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config CAN_STM32_CLOCK_DIVISOR
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int "CAN clock divisor"
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range 1 30
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default 1
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help
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The APB clock is divided by this value (stored in CKDIV register)
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before it is fed to the CAN core.
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Note that the the divisor affects all CAN controllers.
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Allowed values: 1 or 2 * n, where n <= 15.
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2021-02-07 22:47:52 +08:00
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endif #CAN_STM32FD
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