Merge branch 'bugfix/fix_deep_sleep_crash_when_psram_high_freq_4.4' i…

…nto 'release/v4.4'

mspi: turn down freq to fix crash when sleep (v4.4)

See merge request espressif/esp-idf!22750

components/esp_hw_support/sleep_modes.c

@@ -65,6 +65,7 @@
 #include "esp32s3/rom/rtc.h"
 #include "soc/extmem_reg.h"
 #include "esp_private/sleep_mac_bb.h"
+#include "esp_private/spi_flash_os.h"
 #elif CONFIG_IDF_TARGET_ESP32C3
 #include "esp32c3/clk.h"
 #include "esp32c3/rom/cache.h"
@@ -395,6 +396,11 @@ static uint32_t IRAM_ATTR esp_sleep_start(uint32_t pd_flags)
         pd_flags &= ~RTC_SLEEP_PD_INT_8M;
     }
 
+#if SOC_SPI_MEM_SUPPORT_TIME_TUNING
+    // Turn down mspi clock speed
+    spi_timing_change_speed_mode_cache_safe(true);
+#endif
+
     // Save current frequency and switch to XTAL
     rtc_cpu_freq_config_t cpu_freq_config;
     rtc_clk_cpu_freq_get_config(&cpu_freq_config);
@@ -543,6 +549,11 @@ static uint32_t IRAM_ATTR esp_sleep_start(uint32_t pd_flags)
     // Restore CPU frequency
     rtc_clk_cpu_freq_set_config(&cpu_freq_config);
 
+#if SOC_SPI_MEM_SUPPORT_TIME_TUNING
+    // Restore mspi clock freq
+    spi_timing_change_speed_mode_cache_safe(false);
+#endif
+
     if (!deep_sleep) {
         s_config.ccount_ticks_record = cpu_ll_get_cycle_count();
         misc_modules_wake_prepare();