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fix(esp_hw_support): fix esp32s2/esp32s3 RTC IOMUX clock management

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wuzhenghui
2025-02-10 21:02:54 +08:00
parent a8312fbedb
commit dbb4d923ca
13 changed files with 172 additions and 24 deletions
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20
components/hal/esp32s3/include/hal/rtc_io_ll.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -13,6 +13,9 @@
#pragma once
#include <stdlib.h>
#include <stdbool.h>
#include "soc/rtc_io_struct.h"
#include "soc/rtc_io_reg.h"
#include "soc/rtc_periph.h"
#include "hal/gpio_types.h"
#include "soc/io_mux_reg.h"
@@ -41,6 +44,16 @@ typedef enum {
RTCIO_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_peri_clk_gate_conf.iomux_clk_en = enable;
}
/**
* @brief Select the rtcio function.
*
@@ -55,14 +68,12 @@ static inline void rtcio_ll_function_select(int rtcio_num, rtcio_ll_func_t func)
if (rtcio_num == rtc_io_num_map[USB_DM_GPIO_NUM] || rtcio_num == rtc_io_num_map[USB_DP_GPIO_NUM]) {
USB_SERIAL_JTAG.conf0.usb_pad_enable = 0;
}
SENS.sar_peri_clk_gate_conf.iomux_clk_en = 1;
// 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
SET_PERI_REG_BITS(rtc_io_desc[rtcio_num].reg, RTC_IO_TOUCH_PAD1_FUN_SEL_V, RTCIO_LL_PIN_FUNC, rtc_io_desc[rtcio_num].func);
} else if (func == RTCIO_FUNC_DIGITAL) {
CLEAR_PERI_REG_MASK(rtc_io_desc[rtcio_num].reg, (rtc_io_desc[rtcio_num].mux));
SENS.sar_peri_clk_gate_conf.iomux_clk_en = 0;
// USB Serial JTAG pad re-enable won't be done here (it requires both DM and DP pins not in rtc function)
// Instead, USB_SERIAL_JTAG_USB_PAD_ENABLE needs to be guaranteed to be set in usb_serial_jtag driver
}
@@ -295,8 +306,7 @@ static inline void rtcio_ll_force_unhold_all(void)
*/
static inline void rtcio_ll_wakeup_enable(int rtcio_num, rtcio_ll_wake_type_t type)
{
SENS.sar_peri_clk_gate_conf.iomux_clk_en = 1;
RTCIO.pin[rtcio_num].wakeup_enable = 0x1;
RTCIO.pin[rtcio_num].wakeup_enable = 1;
RTCIO.pin[rtcio_num].int_type = type;
}