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fix(ext_32k): fix the external 32K issue on C3&S3 (v5.1)

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zlq
2024-09-04 12:04:31 +08:00
parent 220f9e6c42
commit 6a40c63c28
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);
}