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boards: nucleo_l476rg: enable support of LL Cube clock control driver

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Activate support of LL Cube based Clock control driver
Note that prescaler should now use actual numerical value used
for calculation and not register value (hence 1 instead of 0)

Change-Id: Ia3a26bffbd470c6e958fd2ca82b8eb071beb6ca8
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
This commit is contained in:
Erwan Gouriou 2017-01-24 13:09:32 +01:00 • committed by Maureen Helm
commit 56b526c3a3
1 changed files with 16 additions and 1 deletions
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17
boards/arm/nucleo_l476rg/nucleo_l476rg_defconfig
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@ -31,7 +31,22 @@ CONFIG_GPIO_STM32_PORTH=y
# clock configuration
CONFIG_CLOCK_CONTROL=y
CONFIG_CLOCK_CONTROL_STM32L4X=y
CONFIG_CLOCK_CONTROL_STM32_CUBE=y
# SYSCLK selection
CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y
# PLL configuration
CONFIG_CLOCK_STM32_PLL_SRC_HSI
# produce 80MHz clock at PLL output
CONFIG_CLOCK_STM32_PLL_M_DIVISOR=1
CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=20
CONFIG_CLOCK_STM32_PLL_P_DIVISOR=7
CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=2
CONFIG_CLOCK_STM32_PLL_R_DIVISOR=4
CONFIG_CLOCK_STM32_AHB_PRESCALER=1
CONFIG_CLOCK_STM32_APB1_PRESCALER=1
CONFIG_CLOCK_STM32_APB2_PRESCALER=1
CONFIG_CLOCK_CONTROL_STM32L4X=n
CONFIG_CLOCK_STM32L4X_SYSCLK_SRC_PLL=y
# use 16MHz oscillator
CONFIG_CLOCK_STM32F10X_PLL_SRC_HSI=y