From 64359e1641d27215f3234554b30261c4bd166fc7 Mon Sep 17 00:00:00 2001 From: Erwan Gouriou Date: Tue, 4 May 2021 10:38:42 +0200 Subject: [PATCH] boards: stm3210c_eval: Use dts for clocks configuration Convert board to use of device tree for clocks configuration. Signed-off-by: Erwan Gouriou --- boards/arm/stm3210c_eval/stm3210c_eval.dts | 21 ++++++++++++++++++ .../arm/stm3210c_eval/stm3210c_eval_defconfig | 22 +------------------ 2 files changed, 22 insertions(+), 21 deletions(-) diff --git a/boards/arm/stm3210c_eval/stm3210c_eval.dts b/boards/arm/stm3210c_eval/stm3210c_eval.dts index d540a972d9a..baa0b2359b4 100644 --- a/boards/arm/stm3210c_eval/stm3210c_eval.dts +++ b/boards/arm/stm3210c_eval/stm3210c_eval.dts @@ -41,6 +41,27 @@ }; }; +&clk_hse { + hse-bypass; + clock-frequency = ; /* STLink 8MHz clock */ + status = "okay"; +}; + +&pll { + mul = <9>; + prediv = <1>; + clocks = <&clk_hse>; + status = "okay"; +}; + +&rcc { + clocks = <&pll>; + clock-frequency = ; + ahb-prescaler = <1>; + apb1-prescaler = <2>; + apb2-prescaler = <1>; +}; + &usart2 { pinctrl-0 = <&usart2_tx_pd5 &usart2_rx_pd6>; current-speed = <115200>; diff --git a/boards/arm/stm3210c_eval/stm3210c_eval_defconfig b/boards/arm/stm3210c_eval/stm3210c_eval_defconfig index 0793419d53b..d9d84620bf4 100644 --- a/boards/arm/stm3210c_eval/stm3210c_eval_defconfig +++ b/boards/arm/stm3210c_eval/stm3210c_eval_defconfig @@ -6,10 +6,6 @@ CONFIG_SOC_SERIES_STM32F1X=y # Platform Configuration CONFIG_SOC_STM32F107XC=y -# General Kernel Options -# 72MHz system clock -CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=72000000 - # Serial Drivers CONFIG_SERIAL=y CONFIG_UART_INTERRUPT_DRIVEN=y @@ -23,21 +19,5 @@ CONFIG_PINMUX=y # GPIO Controller CONFIG_GPIO=y -# RCC configuration +# RCC Controller 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 -CONFIG_CLOCK_STM32_PLL_SRC_PLL2=n -# however, the board does not have an external oscillator, so just use -# the 8MHz clock signal coming from integrated STLink -CONFIG_CLOCK_STM32_HSE_BYPASS=y -# produce 72MHz clock at PLL output -CONFIG_CLOCK_STM32_PLL_PREDIV1=1 -CONFIG_CLOCK_STM32_PLL_MULTIPLIER=9 -CONFIG_CLOCK_STM32_AHB_PRESCALER=1 -# APB1 clock must not to exceed 36MHz limit -CONFIG_CLOCK_STM32_APB1_PRESCALER=2 -CONFIG_CLOCK_STM32_APB2_PRESCALER=1