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change(esp_hw_support): pmu driver, hal and ll layer support for esp32h21

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This commit is contained in:
Li Shuai
2025-03-17 11:24:39 +08:00
committed by BOT
parent e351f17790
commit 8103ea67c7
12 changed files with 2470 additions and 15 deletions
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components/esp_system/port/soc/esp32h21/clk.c
+10 -1
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -165,6 +165,15 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src)
}
rtc_clk_slow_src_set(rtc_slow_clk_src);
// Disable unused clock sources after clock source switching is complete.
// Regardless of the clock source selection, the internal 136K clock source will always keep on.
if (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K && rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_OSC_SLOW) {
rtc_clk_32k_enable(false);
}
if (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_RC32K) {
rtc_clk_rc32k_enable(false);
}
if (SLOW_CLK_CAL_CYCLES > 0) {
/* TODO: 32k XTAL oscillator has some frequency drift at startup.
* Improve calibration routine to wait until the frequency is stable.