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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
2026-05-08 18:08:00 +08:00
parent dd8fa9ffff
commit eef2153dd0
11 changed files with 79 additions and 85 deletions
Download Patch File Download Diff File Expand all files Collapse all files
components/esp_hal_gpio/esp32/include/hal/rtc_io_ll.h
-2
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@@ -60,8 +60,6 @@ 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));
}
components/esp_hal_gpio/esp32c5/include/hal/rtc_io_ll.h
-2
View File
@@ -90,8 +90,6 @@ 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);
// LP_GPIO is FUNC 1
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);
components/esp_hal_gpio/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.
*
@@ -71,6 +60,17 @@ static inline void _rtcio_ll_enable_io_clock(bool enable)
_rtcio_ll_enable_io_clock(__VA_ARGS__); \
} while(0)
/**
* @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.
*
@@ -88,8 +88,6 @@ 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);
components/esp_hal_gpio/esp32c61/include/hal/rtc_io_ll.h
+12 -14
View File
@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2024-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -43,17 +43,6 @@ 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_MUX.gpion[rtcio_num].gpion_mcu_sel = func;
}
/**
* @brief Enable/Disable LP_GPIO peripheral clock.
*
@@ -72,6 +61,17 @@ static inline void _rtcio_ll_enable_io_clock(bool enable)
_rtcio_ll_enable_io_clock(__VA_ARGS__); \
} while(0)
/**
* @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_MUX.gpion[rtcio_num].gpion_mcu_sel = func;
}
/**
* @brief Select the rtcio function.
*
@@ -89,8 +89,6 @@ 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);
// LP_GPIO is FUNC 1
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);
components/esp_hal_gpio/esp32h4/include/hal/rtc_io_ll.h
+12 -14
View File
@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2025-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -43,17 +43,6 @@ 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_MUX.gpion[rtcio_num].gpion_mcu_sel = func;
}
/**
* @brief Enable/Disable LP_GPIO peripheral clock.
*
@@ -72,6 +61,17 @@ static inline void _rtcio_ll_enable_io_clock(bool enable)
_rtcio_ll_enable_io_clock(__VA_ARGS__); \
} while(0)
/**
* @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_MUX.gpion[rtcio_num].gpion_mcu_sel = func;
}
/**
* @brief Select the rtcio function.
*
@@ -89,8 +89,6 @@ static inline void rtcio_ll_function_select(int rtcio_num, rtcio_ll_func_t func)
uint32_t sel_mask = LP_AON.gpio_mux.gpio_mux_sel;
sel_mask |= BIT(rtcio_num);
LP_AON.gpio_mux.gpio_mux_sel = sel_mask;
// LP_GPIO is FUNC 1
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 = LP_AON.gpio_mux.gpio_mux_sel;
components/esp_hal_gpio/esp32p4/include/hal/rtc_io_ll.h
+19 -21
View File
@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2023-2025 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2023-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -43,6 +43,24 @@ typedef enum {
RTCIO_LL_OUTPUT_OD = 0x1, /*!< RTCIO output mode is open-drain. */
} rtcio_ll_out_mode_t;
/**
* @brief Enable/Disable LP_GPIO peripheral clock.
*
* @param enable true to enable the clock / false to disable the clock
*/
static inline void _rtcio_ll_enable_io_clock(bool enable)
{
LP_GPIO.clk_en.reg_clk_en = enable;
while (LP_GPIO.clk_en.reg_clk_en != enable) {
;
}
}
#define rtcio_ll_enable_io_clock(...) do { \
(void)__DECLARE_RCC_ATOMIC_ENV; \
_rtcio_ll_enable_io_clock(__VA_ARGS__); \
} while(0)
/**
* @brief Select RTC GPIO input to a signal.
*
@@ -119,24 +137,6 @@ static inline void rtcio_ll_iomux_func_sel(int rtcio_num, int func)
}
}
/**
* @brief Enable/Disable LP_GPIO peripheral clock.
*
* @param enable true to enable the clock / false to disable the clock
*/
static inline void _rtcio_ll_enable_io_clock(bool enable)
{
LP_GPIO.clk_en.reg_clk_en = enable;
while (LP_GPIO.clk_en.reg_clk_en != enable) {
;
}
}
#define rtcio_ll_enable_io_clock(...) do { \
(void)__DECLARE_RCC_ATOMIC_ENV; \
_rtcio_ll_enable_io_clock(__VA_ARGS__); \
} while(0)
/**
* @brief Select the lp_gpio/hp_gpio function to control the pad.
*
@@ -152,8 +152,6 @@ 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.
LP_IOMUX.pad[rtcio_num].mux_sel = 1;
// LP_GPIO is FUNC 1
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
LP_IOMUX.pad[rtcio_num].mux_sel = 0;
components/esp_hal_gpio/esp32s2/include/hal/rtc_io_ll.h
+11 -13
View File
@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -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));
}
components/esp_hal_gpio/esp32s3/include/hal/rtc_io_ll.h
-2
View File
@@ -81,8 +81,6 @@ static inline void rtcio_ll_function_select(int rtcio_num, rtcio_ll_func_t func)
}
// 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));
// USB Serial JTAG pad re-enable won't be done here (it requires both DM and DP pins not in rtc function)