From 8dcb58675f0a25418792c73551f0e1d8da556879 Mon Sep 17 00:00:00 2001 From: Alexandre Bourdiol Date: Mon, 3 May 2021 17:23:43 +0200 Subject: [PATCH] boards: 96b_neonkey: Use dts for clocks configuration Convert board to use of device tree for clocks configuration. Signed-off-by: Alexandre Bourdiol --- boards/arm/96b_neonkey/96b_neonkey.dts | 20 +++++++++++++++++++ boards/arm/96b_neonkey/96b_neonkey_defconfig | 21 +------------------- 2 files changed, 21 insertions(+), 20 deletions(-) diff --git a/boards/arm/96b_neonkey/96b_neonkey.dts b/boards/arm/96b_neonkey/96b_neonkey.dts index a3a489e01c5..5c4688f1cad 100644 --- a/boards/arm/96b_neonkey/96b_neonkey.dts +++ b/boards/arm/96b_neonkey/96b_neonkey.dts @@ -56,6 +56,26 @@ }; }; +&clk_hsi { + status = "okay"; +}; + +&pll { + div-m = <16>; + mul-n = <336>; + div-p = <4>; + clocks = <&clk_hsi>; + status = "okay"; +}; + +&rcc { + clocks = <&pll>; + clock-frequency = ; + ahb-prescaler = <1>; + apb1-prescaler = <2>; + apb2-prescaler = <1>; +}; + &usart1 { pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>; current-speed = <115200>; diff --git a/boards/arm/96b_neonkey/96b_neonkey_defconfig b/boards/arm/96b_neonkey/96b_neonkey_defconfig index fe685811a2d..314da54468b 100644 --- a/boards/arm/96b_neonkey/96b_neonkey_defconfig +++ b/boards/arm/96b_neonkey/96b_neonkey_defconfig @@ -3,9 +3,6 @@ CONFIG_SOC_SERIES_STM32F4X=y CONFIG_SOC_STM32F411XE=y -# 84MHz system clock -CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=84000000 - # Enable MPU CONFIG_ARM_MPU=y @@ -21,25 +18,9 @@ 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 84MHz clock at PLL output -CONFIG_CLOCK_STM32_PLL_M_DIVISOR=16 -CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=336 -CONFIG_CLOCK_STM32_PLL_P_DIVISOR=4 -CONFIG_CLOCK_STM32_AHB_PRESCALER=1 - -# APB1 clock must not exceed 50MHz limit -CONFIG_CLOCK_STM32_APB1_PRESCALER=2 -CONFIG_CLOCK_STM32_APB2_PRESCALER=1 - # console CONFIG_CONSOLE=y CONFIG_UART_CONSOLE=y