From 7668780e9fcd0ac7c2fbe710dc4c08005ba6c172 Mon Sep 17 00:00:00 2001 From: Alexandre Bourdiol Date: Tue, 4 May 2021 11:12:09 +0200 Subject: [PATCH] boards: stm32f429i_disc1: Use dts for clocks configuration Convert board to use of device tree for clocks configuration. Signed-off-by: Alexandre Bourdiol --- .../arm/stm32f429i_disc1/stm32f429i_disc1.dts | 22 +++++++++++++++++++ .../stm32f429i_disc1_defconfig | 18 +-------------- 2 files changed, 23 insertions(+), 17 deletions(-) diff --git a/boards/arm/stm32f429i_disc1/stm32f429i_disc1.dts b/boards/arm/stm32f429i_disc1/stm32f429i_disc1.dts index 821f9345e52..9e8da1dcc95 100644 --- a/boards/arm/stm32f429i_disc1/stm32f429i_disc1.dts +++ b/boards/arm/stm32f429i_disc1/stm32f429i_disc1.dts @@ -46,6 +46,28 @@ }; }; +&clk_hse { + clock-frequency = ; + status = "okay"; +}; + +&pll { + div-m = <8>; + mul-n = <336>; + div-p = <2>; + div-q = <7>; + clocks = <&clk_hse>; + status = "okay"; +}; + +&rcc { + clocks = <&pll>; + clock-frequency = ; + ahb-prescaler = <1>; + apb1-prescaler = <4>; + apb2-prescaler = <2>; +}; + &usart1 { pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>; current-speed = <115200>; diff --git a/boards/arm/stm32f429i_disc1/stm32f429i_disc1_defconfig b/boards/arm/stm32f429i_disc1/stm32f429i_disc1_defconfig index 7910646b14a..2d0275f88bd 100644 --- a/boards/arm/stm32f429i_disc1/stm32f429i_disc1_defconfig +++ b/boards/arm/stm32f429i_disc1/stm32f429i_disc1_defconfig @@ -2,8 +2,6 @@ CONFIG_SOC_SERIES_STM32F4X=y CONFIG_SOC_STM32F429XX=y -# 168MHz system clock -CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=168000000 # Enable MPU CONFIG_ARM_MPU=y @@ -23,19 +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=8000000 -CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y -# use HSE as PLL input -CONFIG_CLOCK_STM32_PLL_SRC_HSE=y -# produce 168MHz clock at PLL output -CONFIG_CLOCK_STM32_PLL_M_DIVISOR=8 -CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=336 -CONFIG_CLOCK_STM32_PLL_P_DIVISOR=2 -CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=7 -CONFIG_CLOCK_STM32_AHB_PRESCALER=1 -CONFIG_CLOCK_STM32_APB1_PRESCALER=4 -CONFIG_CLOCK_STM32_APB2_PRESCALER=2