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fix(ext_32k): fix the external 32K issue on C3&S3 (v5.2)

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zlq
2024-09-04 14:57:55 +08:00
parent cfd8a30995
commit 4d9aa7fd25
4 changed files with 33 additions and 25 deletions
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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);
}
}