boards: nucleo_f303k8: Use dts for clocks configuration
Convert board to use of device tree for clocks configuration. Signed-off-by: Alexandre Bourdiol <alexandre.bourdiol@st.com>
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2 changed files with 20 additions and 16 deletions
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@ -40,6 +40,25 @@
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};
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};
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&clk_hsi {
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status = "okay";
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};
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&pll {
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prediv = <1>;
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mul = <9>;
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clocks = <&clk_hsi>;
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status = "okay";
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};
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&rcc {
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clocks = <&pll>;
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clock-frequency = <DT_FREQ_M(72)>;
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ahb-prescaler = <1>;
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apb1-prescaler = <2>;
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apb2-prescaler = <1>;
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};
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&timers2 {
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status = "okay";
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@ -2,8 +2,6 @@
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CONFIG_SOC_SERIES_STM32F3X=y
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CONFIG_SOC_STM32F303X8=y
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# 72 MHz system clock
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CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=72000000
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CONFIG_SERIAL=y
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@ -17,18 +15,5 @@ CONFIG_PINMUX=y
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# enable GPIO
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CONFIG_GPIO=y
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# clock configuration
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# Enable Clocks
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CONFIG_CLOCK_CONTROL=y
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# Clock configuration for Cube Clock control driver
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CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y
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# use HSI as PLL input
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CONFIG_CLOCK_STM32_PLL_SRC_HSI=y
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# however, the board does not have an external oscillator, so just use
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# the 8MHz clock signal coming from integrated STLink
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# produce 72MHz clock at PLL output
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CONFIG_CLOCK_STM32_PLL_PREDIV=1
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CONFIG_CLOCK_STM32_PLL_MULTIPLIER=9
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CONFIG_CLOCK_STM32_AHB_PRESCALER=1
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CONFIG_CLOCK_STM32_APB1_PRESCALER=2
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CONFIG_CLOCK_STM32_APB2_PRESCALER=1
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