diff --git a/boards/arm/96b_aerocore2/96b_aerocore2.dts b/boards/arm/96b_aerocore2/96b_aerocore2.dts index d1c09083e20..356c905e2d6 100644 --- a/boards/arm/96b_aerocore2/96b_aerocore2.dts +++ b/boards/arm/96b_aerocore2/96b_aerocore2.dts @@ -40,6 +40,28 @@ }; +&clk_hse { + clock-frequency = ; + status = "okay"; +}; + +&pll { + div-m = <24>; + mul-n = <336>; + div-p = <2>; + div-q = <7>; + clocks = <&clk_hse>; + status = "okay"; +}; + +&rcc { + clocks = <&pll>; + clock-frequency = ; + ahb-prescaler = <1>; + apb1-prescaler = <4>; + apb2-prescaler = <2>; +}; + &usart1 { pinctrl-0 = <&usart1_tx_pb6 &usart1_rx_pb7>; current-speed = <115200>; diff --git a/boards/arm/96b_aerocore2/96b_aerocore2_defconfig b/boards/arm/96b_aerocore2/96b_aerocore2_defconfig index 8cb6c9d04a0..1d958603356 100644 --- a/boards/arm/96b_aerocore2/96b_aerocore2_defconfig +++ b/boards/arm/96b_aerocore2/96b_aerocore2_defconfig @@ -3,8 +3,6 @@ CONFIG_SOC_SERIES_STM32F4X=y CONFIG_SOC_STM32F427XX=y -# 168MHz system clock -CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=168000000 # Enable MPU CONFIG_ARM_MPU=y @@ -24,24 +22,5 @@ CONFIG_PINMUX=y # enable GPIO CONFIG_GPIO=y -# clock configuration +# Enable Clocks CONFIG_CLOCK_CONTROL=y - - -# SYSCLK selection -CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y - -# use HSE as PLL input -CONFIG_CLOCK_STM32_PLL_SRC_HSE=y -CONFIG_CLOCK_STM32_HSE_CLOCK=24000000 - -# produce 168MHz clock at PLL output -CONFIG_CLOCK_STM32_PLL_M_DIVISOR=24 -CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=336 -CONFIG_CLOCK_STM32_PLL_P_DIVISOR=2 -CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=7 -CONFIG_CLOCK_STM32_AHB_PRESCALER=1 - -# APB1 clock must not exceed 50MHz limit -CONFIG_CLOCK_STM32_APB1_PRESCALER=4 -CONFIG_CLOCK_STM32_APB2_PRESCALER=2