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fix(iomux): move clock source gating to IOMUX consumers

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Remove io_mux_set_clock_source internal source enabling and make SDM,
ana_cmpr, and gpio glitch filter drivers explicitly manage clock source
enable/disable with safe cleanup paths.
This commit is contained in:
morris
2026-05-22 19:10:08 +08:00
parent 6b711f91f5
commit 38c4f27102
31 changed files with 362 additions and 355 deletions
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components/esp_hw_support/include/esp_private/io_mux.h
+17 -4
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@@ -17,17 +17,30 @@ extern "C" {
#endif
/**
* @brief Set the clock source for IO MUX
* @brief Acquire 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.
* Each consumer should call this function when starting to use a specific clock source,
* and call @ref io_mux_release_clock_source when done.
*
* @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_INVALID_STATE: The IO MUX has been acquired with another clock source
*/
esp_err_t io_mux_set_clock_source(soc_module_clk_t clk_src);
esp_err_t io_mux_acquire_clock_source(soc_module_clk_t clk_src);
/**
* @brief Release the clock source for IO MUX
*
* When the last consumer releases, the clock source will be switched back to SOC_MOD_CLK_XTAL.
*
* @param clk_src The clock source to release (must match the one used in acquire)
* @return
* - ESP_OK: Success
* - ESP_ERR_INVALID_STATE: Reference count is zero or clock source mismatch
*/
esp_err_t io_mux_release_clock_source(soc_module_clk_t clk_src);
#if SOC_LP_IO_CLOCK_IS_INDEPENDENT
typedef struct {