diff --git a/boards/arm/nucleo_f302r8/nucleo_f302r8.dts b/boards/arm/nucleo_f302r8/nucleo_f302r8.dts index f3866934d56..2687bd88cbd 100644 --- a/boards/arm/nucleo_f302r8/nucleo_f302r8.dts +++ b/boards/arm/nucleo_f302r8/nucleo_f302r8.dts @@ -42,6 +42,27 @@ }; }; +&clk_hse { + hse-bypass; + clock-frequency = ; /* STLink 8MHz clock */ + status = "okay"; +}; + +&pll { + prediv = <1>; + mul = <9>; + clocks = <&clk_hse>; + status = "okay"; +}; + +&rcc { + clocks = <&pll>; + clock-frequency = ; + ahb-prescaler = <1>; + apb1-prescaler = <2>; + apb2-prescaler = <1>; +}; + &i2c1 { pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>; status = "okay"; diff --git a/boards/arm/nucleo_f302r8/nucleo_f302r8_defconfig b/boards/arm/nucleo_f302r8/nucleo_f302r8_defconfig index f802f6b6afe..beea91851db 100644 --- a/boards/arm/nucleo_f302r8/nucleo_f302r8_defconfig +++ b/boards/arm/nucleo_f302r8/nucleo_f302r8_defconfig @@ -2,8 +2,6 @@ CONFIG_SOC_SERIES_STM32F3X=y CONFIG_SOC_STM32F302X8=y -# 72 MHz system clock -CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=72000000 CONFIG_SERIAL=y @@ -17,20 +15,5 @@ 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=8000000 -CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y -# use HSE as PLL input -CONFIG_CLOCK_STM32_PLL_SRC_HSE=y -# however, the board does not have an external oscillator, so just use -# the 8MHz clock signal coming from integrated STLink -CONFIG_CLOCK_STM32_HSE_BYPASS=y -# produce 72MHz clock at PLL output -CONFIG_CLOCK_STM32_PLL_PREDIV=1 -CONFIG_CLOCK_STM32_PLL_MULTIPLIER=9 -CONFIG_CLOCK_STM32_AHB_PRESCALER=1 -CONFIG_CLOCK_STM32_APB1_PRESCALER=2 -CONFIG_CLOCK_STM32_APB2_PRESCALER=1