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Merge branch 'bugfix/fix_s3c3_wrong_ext32k_config_bug_v5.1' into 'release/v5.1'
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fix(ext_32k): fix the external 32K issue on C3&S3 (v5.1)

See merge request espressif/esp-idf!33155
This commit is contained in:
Jiang Jiang Jian 2024-09-12 10:51:54 +08:00
commit 33fbade6b8
4 changed files with 33 additions and 25 deletions
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3
components/esp_hw_support/port/esp32c3/rtc_clk.c
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@ -12,6 +12,7 @@
#include "sdkconfig.h"
#include "esp32c3/rom/rtc.h"
#include "soc/rtc.h"
#include "soc/io_mux_reg.h"
#include "esp_private/rtc_clk.h"
#include "esp_hw_log.h"
#include "esp_rom_sys.h"
@ -49,6 +50,8 @@ void rtc_clk_32k_enable(bool enable)
void rtc_clk_32k_enable_external(void)
{
PIN_INPUT_ENABLE(IO_MUX_GPIO0_REG);
SET_PERI_REG_MASK(RTC_CNTL_PAD_HOLD_REG, RTC_CNTL_GPIO_PIN0_HOLD);
clk_ll_xtal32k_enable(CLK_LL_XTAL32K_ENABLE_MODE_EXTERNAL);
}

9
components/esp_hw_support/port/esp32s3/rtc_clk.c
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -12,6 +12,7 @@
#include "sdkconfig.h"
#include "esp32s3/rom/rtc.h"
#include "soc/rtc.h"
#include "soc/io_mux_reg.h"
#include "esp_private/rtc_clk.h"
#include "soc/rtc_io_reg.h"
#include "esp_rom_sys.h"
@ -20,6 +21,7 @@
#include "hal/regi2c_ctrl_ll.h"
#include "esp_private/regi2c_ctrl.h"
#include "soc/regi2c_dig_reg.h"
#include "soc/sens_reg.h"
#include "sdkconfig.h"
static const char *TAG = "rtc_clk";
@ -62,8 +64,9 @@ void rtc_clk_32k_enable(bool enable)
void rtc_clk_32k_enable_external(void)
{
SET_PERI_REG_MASK(RTC_IO_XTAL_32P_PAD_REG, RTC_IO_X32P_MUX_SEL);
SET_PERI_REG_MASK(RTC_IO_XTAL_32N_PAD_REG, RTC_IO_X32N_MUX_SEL);
PIN_INPUT_ENABLE(IO_MUX_GPIO15_REG);
SET_PERI_REG_MASK(SENS_SAR_PERI_CLK_GATE_CONF_REG, SENS_IOMUX_CLK_EN);
SET_PERI_REG_MASK(RTC_CNTL_PAD_HOLD_REG, RTC_CNTL_X32P_HOLD);
clk_ll_xtal32k_enable(CLK_LL_XTAL32K_ENABLE_MODE_EXTERNAL);
}

23
components/hal/esp32c3/include/hal/clk_tree_ll.h
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -83,17 +83,18 @@ static inline __attribute__((always_inline)) void clk_ll_bbpll_disable(void)
*/
static inline __attribute__((always_inline)) void clk_ll_xtal32k_enable(clk_ll_xtal32k_enable_mode_t mode)
{
// Configure xtal32k
clk_ll_xtal32k_config_t cfg = CLK_LL_XTAL32K_CONFIG_DEFAULT();
REG_SET_FIELD(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_DAC_XTAL_32K, cfg.dac);
REG_SET_FIELD(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_DRES_XTAL_32K, cfg.dres);
REG_SET_FIELD(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_DGM_XTAL_32K, cfg.dgm);
REG_SET_FIELD(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_DBUF_XTAL_32K, cfg.dbuf);
// Enable xtal32k xpd status
SET_PERI_REG_MASK(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_XPD_XTAL_32K);
if (mode == CLK_LL_XTAL32K_ENABLE_MODE_EXTERNAL) {
/* TODO ESP32-C3 IDF-2408:: external 32k source may need different settings */
;
SET_PERI_REG_MASK(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_XTAL32K_GPIO_SEL);
} else {
// Configure xtal32k
CLEAR_PERI_REG_MASK(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_XTAL32K_GPIO_SEL);
clk_ll_xtal32k_config_t cfg = CLK_LL_XTAL32K_CONFIG_DEFAULT();
REG_SET_FIELD(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_DAC_XTAL_32K, cfg.dac);
REG_SET_FIELD(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_DRES_XTAL_32K, cfg.dres);
REG_SET_FIELD(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_DGM_XTAL_32K, cfg.dgm);
REG_SET_FIELD(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_DBUF_XTAL_32K, cfg.dbuf);
// Enable xtal32k xpd status
SET_PERI_REG_MASK(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_XPD_XTAL_32K);
}
}

23
components/hal/esp32s3/include/hal/clk_tree_ll.h
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -85,17 +85,18 @@ static inline __attribute__((always_inline)) void clk_ll_bbpll_disable(void)
*/
static inline __attribute__((always_inline)) void clk_ll_xtal32k_enable(clk_ll_xtal32k_enable_mode_t mode)
{
// Configure xtal32k
clk_ll_xtal32k_config_t cfg = CLK_LL_XTAL32K_CONFIG_DEFAULT();
REG_SET_FIELD(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_DAC_XTAL_32K, cfg.dac);
REG_SET_FIELD(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_DRES_XTAL_32K, cfg.dres);
REG_SET_FIELD(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_DGM_XTAL_32K, cfg.dgm);
REG_SET_FIELD(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_DBUF_XTAL_32K, cfg.dbuf);
// Enable xtal32k xpd status
SET_PERI_REG_MASK(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_XPD_XTAL_32K);
if (mode == CLK_LL_XTAL32K_ENABLE_MODE_EXTERNAL) {
/* TODO: external 32k oscillator may need different settings */
;
SET_PERI_REG_MASK(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_XTAL32K_GPIO_SEL);
} else {
// Configure xtal32k
CLEAR_PERI_REG_MASK(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_XTAL32K_GPIO_SEL);
clk_ll_xtal32k_config_t cfg = CLK_LL_XTAL32K_CONFIG_DEFAULT();
REG_SET_FIELD(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_DAC_XTAL_32K, cfg.dac);
REG_SET_FIELD(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_DRES_XTAL_32K, cfg.dres);
REG_SET_FIELD(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_DGM_XTAL_32K, cfg.dgm);
REG_SET_FIELD(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_DBUF_XTAL_32K, cfg.dbuf);
// Enable xtal32k xpd status
SET_PERI_REG_MASK(RTC_CNTL_EXT_XTL_CONF_REG, RTC_CNTL_XPD_XTAL_32K);
}
}