boards: stm32f072b_disco: Use dts for clocks configuration

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 2021-04-30 17:43:00 +02:00 committed by Kumar Gala
commit 369c8f6081
2 changed files with 19 additions and 11 deletions

View file

@ -57,6 +57,24 @@
};
};
&clk_hsi {
status = "okay";
};
&pll {
prediv = <1>;
mul = <6>;
clocks = <&clk_hsi>;
status = "okay";
};
&rcc {
clocks = <&pll>;
clock-frequency = <DT_FREQ_M(48)>;
ahb-prescaler = <1>;
apb1-prescaler = <1>;
};
&usart1 {
pinctrl-0 = <&usart1_tx_pb6 &usart1_rx_pb7>;
current-speed = <115200>;

View file

@ -6,9 +6,6 @@ CONFIG_SOC_SERIES_STM32F0X=y
# Platform Configuration
CONFIG_SOC_STM32F072XB=y
# General Kernel Options
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=48000000
# Serial Drivers
CONFIG_SERIAL=y
CONFIG_UART_INTERRUPT_DRIVEN=y
@ -22,12 +19,5 @@ 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
CONFIG_CLOCK_STM32_PLL_MULTIPLIER=6
CONFIG_CLOCK_STM32_AHB_PRESCALER=1
CONFIG_CLOCK_STM32_APB1_PRESCALER=1