diff --git a/boards/arm/96b_carbon/96b_carbon.dts b/boards/arm/96b_carbon/96b_carbon.dts index a92bc85b727..c8fe3cdafcd 100644 --- a/boards/arm/96b_carbon/96b_carbon.dts +++ b/boards/arm/96b_carbon/96b_carbon.dts @@ -53,6 +53,28 @@ }; }; +&clk_hse { + clock-frequency = ; + status = "okay"; +}; + +&pll { + div-m = <16>; + mul-n = <336>; + div-p = <4>; + div-q = <7>; + clocks = <&clk_hse>; + status = "okay"; +}; + +&rcc { + clocks = <&pll>; + clock-frequency = ; + ahb-prescaler = <1>; + apb1-prescaler = <2>; + apb2-prescaler = <1>; +}; + &usart1 { pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>; current-speed = <115200>; diff --git a/boards/arm/96b_carbon/96b_carbon_defconfig b/boards/arm/96b_carbon/96b_carbon_defconfig index af56ae0e386..ad3e793db82 100644 --- a/boards/arm/96b_carbon/96b_carbon_defconfig +++ b/boards/arm/96b_carbon/96b_carbon_defconfig @@ -3,9 +3,6 @@ CONFIG_SOC_SERIES_STM32F4X=y CONFIG_SOC_STM32F401XE=y -# 84MHz system clock -CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=84000000 - # Enable MPU CONFIG_ARM_MPU=y @@ -24,20 +21,5 @@ CONFIG_PINMUX=y # enable GPIO CONFIG_GPIO=y -# clock configuration +# Enable Clocks CONFIG_CLOCK_CONTROL=y - -# Clock configuration for Cube Clock control driver -CONFIG_CLOCK_STM32_HSE_CLOCK=16000000 -CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y -# use HSE as PLL input -CONFIG_CLOCK_STM32_PLL_SRC_HSE=y -# CONFIG_CLOCK_STM32_HSE_BYPASS=y -# produce 84MHz clock at PLL output -CONFIG_CLOCK_STM32_PLL_M_DIVISOR=16 -CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=336 -CONFIG_CLOCK_STM32_PLL_P_DIVISOR=4 -CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=7 -CONFIG_CLOCK_STM32_AHB_PRESCALER=1 -CONFIG_CLOCK_STM32_APB1_PRESCALER=2 -CONFIG_CLOCK_STM32_APB2_PRESCALER=1