From 26ae8679cc39a69deab022f28f1d05a84c09be6f Mon Sep 17 00:00:00 2001 From: Alexandre Bourdiol Date: Fri, 30 Apr 2021 15:02:16 +0200 Subject: [PATCH] boards: dragino_lsn50: Use dts for clocks configuration Convert board to use of device tree for clocks configuration. Signed-off-by: Alexandre Bourdiol --- boards/arm/dragino_lsn50/dragino_lsn50.dts | 19 +++++++++++++++++++ .../arm/dragino_lsn50/dragino_lsn50_defconfig | 14 +------------- 2 files changed, 20 insertions(+), 13 deletions(-) diff --git a/boards/arm/dragino_lsn50/dragino_lsn50.dts b/boards/arm/dragino_lsn50/dragino_lsn50.dts index 0c3e4c06b46..0806df71656 100644 --- a/boards/arm/dragino_lsn50/dragino_lsn50.dts +++ b/boards/arm/dragino_lsn50/dragino_lsn50.dts @@ -20,6 +20,25 @@ }; }; +&clk_hsi { + status = "okay"; +}; + +&pll { + div = <2>; + mul = <4>; + clocks = <&clk_hsi>; + status = "okay"; +}; + +&rcc { + clocks = <&pll>; + clock-frequency = ; + ahb-prescaler = <1>; + apb1-prescaler = <1>; + apb2-prescaler = <1>; +}; + &usart1 { pinctrl-0 = <&usart1_tx_pb6 &usart1_rx_pb7>; current-speed = <115200>; diff --git a/boards/arm/dragino_lsn50/dragino_lsn50_defconfig b/boards/arm/dragino_lsn50/dragino_lsn50_defconfig index fdddf08efad..6bc0f9c1edc 100644 --- a/boards/arm/dragino_lsn50/dragino_lsn50_defconfig +++ b/boards/arm/dragino_lsn50/dragino_lsn50_defconfig @@ -7,9 +7,6 @@ CONFIG_SOC_SERIES_STM32L0X=y CONFIG_SOC_STM32L072XX=y CONFIG_BOARD_DRAGINO_LSN50=y -# General Kernel Options -CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=32000000 - # Serial Drivers CONFIG_SERIAL=y CONFIG_UART_INTERRUPT_DRIVEN=y @@ -23,14 +20,5 @@ 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 -# Use HSI source -CONFIG_CLOCK_STM32_PLL_SRC_HSI=y -CONFIG_CLOCK_STM32_PLL_DIVISOR=2 -# produce 32Mhz clock at PLL output -CONFIG_CLOCK_STM32_PLL_MULTIPLIER=4 -CONFIG_CLOCK_STM32_AHB_PRESCALER=1 -CONFIG_CLOCK_STM32_APB1_PRESCALER=1