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remove(clk): remove RTC_CLK_SRC_INT_RC32K option for C6 (v6.0)

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This commit is contained in:
Song Ruo Jing
2025-07-18 16:56:58 +08:00
parent 248c87ac78
commit 07120c1d38
4 changed files with 6 additions and 17 deletions
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15
components/esp_hw_support/port/esp32c6/Kconfig.rtc
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@@ -12,24 +12,13 @@ choice RTC_CLK_SRC
config RTC_CLK_SRC_EXT_OSC
bool "External 32 kHz oscillator at 32K_XP pin"
select ESP_SYSTEM_RTC_EXT_OSC
config RTC_CLK_SRC_INT_RC32K
bool "Internal 32 kHz RC oscillator (NOT RECOMMENDED TO USE, READ DOCS FIRST)"
depends on RTC_CLK_SRC_USE_DANGEROUS_RC32K_ALLOWED
help
To be able to select this option, please select `RTC_CLK_SRC_USE_DANGEROUS_RC32K_ALLOWED` first.
This option will be removed in IDF v6.0.
endchoice
config RTC_CLK_SRC_USE_DANGEROUS_RC32K_ALLOWED
bool "Confirm to use the unrecommended 32 kHz RC oscillator (READ DOCS FIRST)"
help
Internal RC32K clock is unstable at extreme temperatures and is not recommended for use.
config RTC_CLK_CAL_CYCLES
int "Number of cycles for RTC_SLOW_CLK calibration"
default 3000 if RTC_CLK_SRC_EXT_CRYS || RTC_CLK_SRC_EXT_OSC || RTC_CLK_SRC_INT_RC32K
default 3000 if RTC_CLK_SRC_EXT_CRYS || RTC_CLK_SRC_EXT_OSC
default 1024 if RTC_CLK_SRC_INT_RC
range 0 8190 if RTC_CLK_SRC_EXT_CRYS || RTC_CLK_SRC_EXT_OSC || RTC_CLK_SRC_INT_RC32K
range 0 8190 if RTC_CLK_SRC_EXT_CRYS || RTC_CLK_SRC_EXT_OSC
range 0 32766 if RTC_CLK_SRC_INT_RC
help
When the startup code initializes RTC_SLOW_CLK, it can perform

2
components/esp_system/port/soc/esp32c6/clk.c
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@@ -103,8 +103,6 @@ __attribute__((weak)) void esp_clk_init(void)
select_rtc_slow_clk(SOC_RTC_SLOW_CLK_SRC_XTAL32K);
#elif defined(CONFIG_RTC_CLK_SRC_EXT_OSC)
select_rtc_slow_clk(SOC_RTC_SLOW_CLK_SRC_OSC_SLOW);
#elif defined(CONFIG_RTC_CLK_SRC_INT_RC32K)
select_rtc_slow_clk(SOC_RTC_SLOW_CLK_SRC_RC32K);
#else
select_rtc_slow_clk(SOC_RTC_SLOW_CLK_SRC_RC_SLOW);
#endif

3
docs/en/migration-guides/release-6.x/6.0/system.rst
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@@ -48,7 +48,8 @@ Removed option for compiling bootloader with no optimization level (-O0, `CONFIG
Time
----
The deprecated ``{IDF_TARGET_NAME}/rtc.h`` header file has been removed. Please include the replacement ``esp_rtc_time.h`` instead.
- The deprecated ``{IDF_TARGET_NAME}/rtc.h`` header file has been removed. Please include the replacement ``esp_rtc_time.h`` instead.
- The deprecated ``RTC_CLK_SRC_INT_RC32K`` menuconfig option has been removed. Internal RC32K clock is unstable at extreme temperatures, please don't use this clock as the RTC slow clock source.
HW-Support
----------

3
docs/zh_CN/migration-guides/release-6.x/6.0/system.rst
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@@ -48,7 +48,8 @@ Xtensa 特殊寄存器头文件已更新，使用新的命名约定。旧的 ``s
时间管理
--------
已弃用的头文件 ``{IDF_TARGET_NAME}/rtc.h`` 已被移除，请改用替代头文件 ``esp_rtc_time.h``。
- 已弃用的头文件 ``{IDF_TARGET_NAME}/rtc.h`` 已被移除，请改用替代头文件 ``esp_rtc_time.h``。
- 已弃用的 ``RTC_CLK_SRC_INT_RC32K`` 配置项已被移除，内部 RC32K 时钟在极端温度下不稳定，请不要使用该时钟作为 RTC 低速时钟的时钟源。
硬件支持
--------