drivers: clock_control: stm32: Enable SYSCFG on STM32L0
The entropy driver needs to use the SYSCFG block to control VREF on the STM32L0. Clock the block if the entropy driver has been enabled. Signed-off-by: Andreas Sandberg <andreas@sandberg.pp.se>
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1 changed files with 3 additions and 1 deletions
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@ -38,7 +38,9 @@ void config_pll_init(LL_UTILS_PLLInitTypeDef *pllinit)
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*/
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void config_enable_default_clocks(void)
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{
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#if defined(CONFIG_EXTI_STM32) || defined(CONFIG_USB_DC_STM32)
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#if defined(CONFIG_EXTI_STM32) || defined(CONFIG_USB_DC_STM32) || \
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(defined(CONFIG_SOC_SERIES_STM32L0X) && \
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defined(CONFIG_ENTROPY_STM32_RNG))
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/* Enable System Configuration Controller clock. */
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LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SYSCFG);
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#endif
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