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drivers/clock_control: STM32H7 support

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Provide basic clock control driver for STM32H7.
Bus clock activation is done through CM7 and CM4 common registers
so we don't have to care to the CPU Id before accessing.
Accesses are not protected for now. Only possible configuration
is system clock source set to HSE driven PLL.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
This commit is contained in:
Erwan Gouriou 2019-07-01 14:12:48 +02:00 • committed by Anas Nashif
commit 2805ea9193
5 changed files with 383 additions and 0 deletions
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7
soc/arm/st_stm32/stm32h7/soc.h
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@ -17,6 +17,13 @@
*/
#include <kernel_includes.h>
#ifdef CONFIG_CLOCK_CONTROL_STM32_CUBE
#include <stm32h7xx_ll_bus.h>
#include <stm32h7xx_ll_rcc.h>
#include <stm32h7xx_ll_pwr.h>
#include <stm32h7xx_ll_system.h>
#endif /* CONFIG_CLOCK_CONTROL_STM32_CUBE */
#endif /* !_ASMLANGUAGE */
#endif /* _STM32F7_SOC_H7_ */