From 4c7585e693e1288fe52d84ab533d62a5cb07c638 Mon Sep 17 00:00:00 2001 From: Alexandre Bourdiol Date: Fri, 30 Apr 2021 09:25:18 +0200 Subject: [PATCH] boards: nucleo_l412rb_p: Use dts for clocks configuration Convert board to use of device tree for clocks configuration. Signed-off-by: Alexandre Bourdiol --- .../arm/nucleo_l412rb_p/nucleo_l412rb_p.dts | 21 +++++++++++++++++++ .../nucleo_l412rb_p/nucleo_l412rb_p_defconfig | 16 +------------- 2 files changed, 22 insertions(+), 15 deletions(-) diff --git a/boards/arm/nucleo_l412rb_p/nucleo_l412rb_p.dts b/boards/arm/nucleo_l412rb_p/nucleo_l412rb_p.dts index d18a900c553..55f36e7d9da 100644 --- a/boards/arm/nucleo_l412rb_p/nucleo_l412rb_p.dts +++ b/boards/arm/nucleo_l412rb_p/nucleo_l412rb_p.dts @@ -42,6 +42,27 @@ }; }; +&clk_hsi { + status = "okay"; +}; + +&pll { + div-m = <1>; + mul-n = <10>; + div-q = <2>; + div-r = <2>; + clocks = <&clk_hsi>; + status = "okay"; +}; + +&rcc { + clocks = <&pll>; + clock-frequency = ; + ahb-prescaler = <1>; + apb1-prescaler = <1>; + apb2-prescaler = <1>; +}; + &lpuart1 { pinctrl-0 = <&lpuart1_tx_pa2 &lpuart1_rx_pa3>; current-speed = <115200>; diff --git a/boards/arm/nucleo_l412rb_p/nucleo_l412rb_p_defconfig b/boards/arm/nucleo_l412rb_p/nucleo_l412rb_p_defconfig index 241738e3c66..3477183dbe2 100644 --- a/boards/arm/nucleo_l412rb_p/nucleo_l412rb_p_defconfig +++ b/boards/arm/nucleo_l412rb_p/nucleo_l412rb_p_defconfig @@ -2,8 +2,6 @@ CONFIG_SOC_SERIES_STM32L4X=y CONFIG_SOC_STM32L412XX=y -# 80MHz system clock -CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=80000000 # Enable MPU CONFIG_ARM_MPU=y @@ -24,17 +22,5 @@ CONFIG_PINMUX=y # enable GPIO 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 80MHz clock at PLL output -CONFIG_CLOCK_STM32_PLL_M_DIVISOR=1 -CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=10 -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 -CONFIG_CLOCK_STM32_APB2_PRESCALER=1