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boards: stm32g0316_disco: Use dts for clocks configuration

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Convert board to use of device tree for clocks configuration.

Signed-off-by: Alexandre Bourdiol <alexandre.bourdiol@st.com>
This commit is contained in:
Alexandre Bourdiol 2021-05-03 14:54:02 +02:00 • committed by Anas Nashif
commit e2b3c18007
2 changed files with 22 additions and 16 deletions
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21
boards/arm/stm32g0316_disco/stm32g0316_disco.dts
View file

@ -41,6 +41,27 @@
};
};
&clk_hsi {
status = "okay";
};
&pll {
div-m = <1>;
mul-n = <8>;
div-p = <2>;
div-q = <2>;
div-r = <2>;
clocks = <&clk_hsi>;
status = "okay";
};
&rcc {
clocks = <&pll>;
clock-frequency = <DT_FREQ_M(64)>;
ahb-prescaler = <1>;
apb1-prescaler = <1>;
};
&usart1 {
pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pb7>;
current-speed = <115200>;

17
boards/arm/stm32g0316_disco/stm32g0316_disco_defconfig
View file

@ -2,9 +2,6 @@
CONFIG_SOC_SERIES_STM32G0X=y
CONFIG_SOC_STM32G031XX=y
# 64MHz system clock
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=64000000
# Kernel Options due to Low Memory (8k)
CONFIG_MAIN_STACK_SIZE=640
CONFIG_IDLE_STACK_SIZE=200
@ -23,17 +20,5 @@ CONFIG_PINMUX=y
# GPIO Controller
CONFIG_GPIO=y
# Clock configuration
# Enable Clocks
CONFIG_CLOCK_CONTROL=y
# SYSCLK selection
CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y
# PLL configuration
CONFIG_CLOCK_STM32_PLL_SRC_HSI=y
# produce 64MHz clock at PLL output
CONFIG_CLOCK_STM32_PLL_M_DIVISOR=1
CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=8
CONFIG_CLOCK_STM32_PLL_P_DIVISOR=2
CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=2
CONFIG_CLOCK_STM32_PLL_R_DIVISOR=2
CONFIG_CLOCK_STM32_AHB_PRESCALER=1
CONFIG_CLOCK_STM32_APB1_PRESCALER=1