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refactor(rtcio): split rtcio/gpio switch with rtc iomux func sel func

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This allows rtc_gpio_deinit to always switch the pad back to GPIO,
regardless of lp io clock enabled or not, so that gpio_config can
always switch the IO back to GPIO use after wakeup from deep sleep.
This commit is contained in:
Song Ruo Jing
2026-04-29 12:17:37 +08:00
parent b202b1352e
commit 1d50587ab2
12 changed files with 87 additions and 94 deletions
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components/esp_hal_gpio/esp32s2/include/hal/rtc_io_ll.h
+10 -12
View File
@@ -40,6 +40,16 @@ typedef enum {
RTCIO_LL_OUTPUT_OD = 0x1, /*!< RTCIO output mode is open-drain. */
} rtcio_ll_out_mode_t;
/**
* @brief Enable/Disable LP IOMUX clock.
*
* @param enable true to enable the clock / false to disable the clock
*/
static inline void rtcio_ll_enable_io_clock(bool enable)
{
SENS.sar_io_mux_conf.iomux_clk_gate_en = enable;
}
/**
* @brief Select a RTC IOMUX function for the RTC IO
*
@@ -51,16 +61,6 @@ static inline void rtcio_ll_iomux_func_sel(int rtcio_num, int func)
SET_PERI_REG_BITS(rtc_io_desc[rtcio_num].reg, 0x3, func, rtc_io_desc[rtcio_num].func);
}
/**
* @brief Enable/Disable LP IOMUX clock.
*
* @param enable true to enable the clock / false to disable the clock
*/
static inline void rtcio_ll_enable_io_clock(bool enable)
{
SENS.sar_io_mux_conf.iomux_clk_gate_en = enable;
}
/**
* @brief Select the rtcio function.
*
@@ -73,8 +73,6 @@ static inline void rtcio_ll_function_select(int rtcio_num, rtcio_ll_func_t func)
if (func == RTCIO_LL_FUNC_RTC) {
// 0: GPIO connected to digital GPIO module. 1: GPIO connected to analog RTC module.
SET_PERI_REG_MASK(rtc_io_desc[rtcio_num].reg, (rtc_io_desc[rtcio_num].mux));
//0:RTC FUNCTION 1,2,3:Reserved
rtcio_ll_iomux_func_sel(rtcio_num, RTCIO_LL_PIN_FUNC);
} else if (func == RTCIO_LL_FUNC_DIGITAL) {
CLEAR_PERI_REG_MASK(rtc_io_desc[rtcio_num].reg, (rtc_io_desc[rtcio_num].mux));
}