Merge branch 'bugfix/esp32s3_lightsleep_psram_leakage_current' into 'master'

fix SPIRAM leakage when its CS pin has no hardware pullup

See merge request espressif/esp-idf!14730

components/esp_hw_support/include/soc/esp32/spiram.h

@@ -85,6 +85,15 @@ size_t esp_spiram_get_size(void);
  */
 void esp_spiram_writeback_cache(void);
 
+/**
+ * @brief get psram CS IO
+ *
+ * This interface should be called after PSRAM is enabled, otherwise it will
+ * return an invalid value -1/0xff.
+ *
+ * @return psram CS IO or -1/0xff if psram not enabled
+ */
+uint8_t esp_spiram_get_cs_io(void);
 
 
 /**

components/esp_hw_support/include/soc/esp32s2/spiram.h

@@ -70,6 +70,15 @@ size_t esp_spiram_get_size(void);
  */
 void esp_spiram_writeback_cache(void);
 
+/**
+ * @brief get psram CS IO
+ *
+ * This interface should be called after PSRAM is enabled, otherwise it will
+ * return an invalid value -1/0xff.
+ *
+ * @return psram CS IO or -1/0xff if psram not enabled
+ */
+uint8_t esp_spiram_get_cs_io(void);
 
 
 /**

components/esp_hw_support/include/soc/esp32s3/spiram.h

@@ -79,6 +79,16 @@ void esp_spiram_writeback_cache(void);
  */
 bool esp_spiram_is_initialized(void);
 
+/**
+ * @brief get psram CS IO
+ *
+ * This interface should be called after PSRAM is enabled, otherwise it will
+ * return an invalid value -1/0xff.
+ *
+ * @return psram CS IO or -1/0xff if psram not enabled
+ */
+uint8_t esp_spiram_get_cs_io(void);
+
 /**
  * @brief Reserve a pool of internal memory for specific DMA/internal allocations
  *