drivers/clock_control/clock_stm32c0.c

/*
 *
 * Copyright (c) 2023 Benjamin Björnsson <benjamin.bjornsson@gmail.com>.
 *
 * SPDX-License-Identifier: Apache-2.0
 */


#include <soc.h>
#include <stm32_ll_bus.h>
#include <stm32_ll_crs.h>
#include <stm32_ll_rcc.h>
#include <stm32_ll_utils.h>
#include <zephyr/drivers/clock_control.h>
#include <zephyr/sys/util.h>
#include <zephyr/drivers/clock_control/stm32_clock_control.h>
#include "clock_stm32_ll_common.h"

/**
 * @brief Activate default clocks
 */
void config_enable_default_clocks(void)
{
	/* Enable the power interface clock */
	LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_PWR);

#if IS_ENABLED(STM32_HSI48_CRS_USB_SOF)
	LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_CRS);
	LL_CRS_SetSyncSignalSource(LL_CRS_SYNC_SOURCE_USB);
	LL_CRS_EnableAutoTrimming();
	LL_CRS_EnableFreqErrorCounter();
#endif
}