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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
2026-05-22 15:35:21 +08:00
parent 7a6e80e1f3
commit 5b7db25db1
10 changed files with 64 additions and 68 deletions
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components/hal/esp32c6/include/hal/rtc_io_ll.h
+12 -14
View File
@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -42,17 +42,6 @@ typedef enum {
RTCIO_LL_OUTPUT_OD = 0x1, /*!< RTCIO output mode is open-drain. */
} rtcio_ll_out_mode_t;
/**
* @brief Select a RTC IOMUX function for the RTC IO
*
* @param rtcio_num The index of rtcio. 0 ~ MAX(rtcio).
* @param func Function to assign to the pin
*/
static inline void rtcio_ll_iomux_func_sel(int rtcio_num, int func)
{
LP_IO.gpio[rtcio_num].mcu_sel = func;
}
/**
* @brief Enable/Disable LP_IO peripheral clock.
*
@@ -68,6 +57,17 @@ static inline void _rtcio_ll_enable_io_clock(bool enable)
#define rtcio_ll_enable_io_clock(...) (void)__DECLARE_RCC_ATOMIC_ENV; _rtcio_ll_enable_io_clock(__VA_ARGS__)
/**
* @brief Select a RTC IOMUX function for the RTC IO
*
* @param rtcio_num The index of rtcio. 0 ~ MAX(rtcio).
* @param func Function to assign to the pin
*/
static inline void rtcio_ll_iomux_func_sel(int rtcio_num, int func)
{
LP_IO.gpio[rtcio_num].mcu_sel = func;
}
/**
* @brief Select the rtcio function.
*
@@ -85,8 +85,6 @@ static inline void rtcio_ll_function_select(int rtcio_num, rtcio_ll_func_t func)
uint32_t sel_mask = HAL_FORCE_READ_U32_REG_FIELD(LP_AON.gpio_mux, gpio_mux_sel);
sel_mask |= BIT(rtcio_num);
HAL_FORCE_MODIFY_U32_REG_FIELD(LP_AON.gpio_mux, gpio_mux_sel, sel_mask);
//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 the bit to use digital GPIO module
uint32_t sel_mask = HAL_FORCE_READ_U32_REG_FIELD(LP_AON.gpio_mux, gpio_mux_sel);