blob: 296623ef5b3562ebd7778c09a2073f355edb3ab5 [file] [log] [blame]
/*
*
* Copyright (c) 2018 Ilya Tagunov
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <soc.h>
#include <soc_registers.h>
#include <clock_control.h>
#include <misc/util.h>
#include <clock_control/stm32_clock_control.h>
#include "stm32_ll_clock.h"
#ifdef CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL
/* Macros to fill up multiplication and division factors values */
#define z_pll_mul(v) LL_RCC_PLL_MUL_ ## v
#define pll_mul(v) z_pll_mul(v)
#define z_pll_div(v) LL_RCC_PLL_DIV_ ## v
#define pll_div(v) z_pll_div(v)
/**
* @brief Fill PLL configuration structure
*/
void config_pll_init(LL_UTILS_PLLInitTypeDef *pllinit)
{
pllinit->PLLMul = pll_mul(CONFIG_CLOCK_STM32_PLL_MULTIPLIER);
pllinit->PLLDiv = pll_div(CONFIG_CLOCK_STM32_PLL_DIVISOR);
}
#endif /* CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL */
/**
* @brief Activate default clocks
*/
void config_enable_default_clocks(void)
{
#if defined(CONFIG_EXTI_STM32) || defined(CONFIG_USB_DC_STM32)
/* Enable System Configuration Controller clock. */
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SYSCFG);
#endif
}