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stm32/Kconfig: Add option for 32MHz crystals

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Certain STM32 Nucleo development boards (eg. F429Zi) come pre-installed with a 32MHz quartz crystal, which is now exposed as an option when selecting STM32 chips.

Signed-off-by: Ella Fox <ella@fox.gal>
This commit is contained in:
Ella Fox 2024-10-23 21:30:19 +02:00 committed by Eric Callahan
parent 90eb71b610
commit 081918ad76
1 changed files with 3 additions and 0 deletions
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src/stm32/Kconfig
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@ -298,11 +298,14 @@ choice
bool "20 MHz crystal" bool "20 MHz crystal"
config STM32_CLOCK_REF_25M config STM32_CLOCK_REF_25M
bool "25 MHz crystal" bool "25 MHz crystal"
config STM32_CLOCK_REF_32M
bool "32 MHz crystal"
config STM32_CLOCK_REF_INTERNAL config STM32_CLOCK_REF_INTERNAL
bool "Internal clock" bool "Internal clock"
endchoice endchoice
config CLOCK_REF_FREQ config CLOCK_REF_FREQ
int int
default 32000000 if STM32_CLOCK_REF_32M
default 25000000 if STM32_CLOCK_REF_25M default 25000000 if STM32_CLOCK_REF_25M
default 20000000 if STM32_CLOCK_REF_20M default 20000000 if STM32_CLOCK_REF_20M
default 16000000 if STM32_CLOCK_REF_16M default 16000000 if STM32_CLOCK_REF_16M