esp-idf/components/esp_hw_support/include/esp_private/io_mux.h

/*
 * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#pragma once

#include "esp_err.h"
#include "soc/clk_tree_defs.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief Set the clock source for IO MUX
 *
 * @note IO MUX clock is shared by submodules like SDM, Glitch Filter.
 *       The submodule drivers should call this function to detect if the user set the clock differently.
 *
 * @param clk_src The clock source for IO MUX
 * @return
 *      - ESP_OK: Success
 *      - ESP_ERR_INVALID_STATE: The IO MUX has been set to another clock source
 */
esp_err_t io_mux_set_clock_source(soc_module_clk_t clk_src);

#ifdef __cplusplus
}
#endif