feat(sleep/usb): support usb as wakeup source from light sleep

Co-authored-by: Cursor <cursoragent@cursor.com>

components/esp_hw_support/include/esp_sleep.h

@@ -121,6 +121,7 @@ typedef enum {
     ESP_SLEEP_WAKEUP_BT,                //!< Wakeup caused by BT (light sleep only)
     ESP_SLEEP_WAKEUP_VAD,               //!< Wakeup caused by VAD
     ESP_SLEEP_WAKEUP_VBAT_UNDER_VOLT,   //!< Wakeup caused by VDD_BAT under voltage.
+    ESP_SLEEP_WAKEUP_USB,               //!< Wakeup caused by USB HS (light sleep only)
 } esp_sleep_source_t;
 
 /**
@@ -133,7 +134,6 @@ typedef enum {
 
 /* Leave this type define for compatibility */
 typedef esp_sleep_source_t esp_sleep_wakeup_cause_t;
-
 enum {
     ESP_ERR_SLEEP_REJECT = ESP_ERR_INVALID_STATE,
     ESP_ERR_SLEEP_TOO_SHORT_SLEEP_DURATION = ESP_ERR_INVALID_ARG,
@@ -545,6 +545,22 @@ esp_err_t esp_sleep_enable_bt_wakeup(void);
  */
 esp_err_t esp_sleep_disable_bt_wakeup(void);
 
+/**
+ * @brief Enable wakeup by High-Speed USB-OTG
+ * @return
+ *      - ESP_OK on success
+ *      - ESP_ERR_NOT_SUPPORTED if wakeup from USB is not supported
+ */
+esp_err_t esp_sleep_enable_usb_wakeup(void);
+
+/**
+ * @brief Disable wakeup by High-Speed USB-OTG
+ * @return
+ *      - ESP_OK on success
+ *      - ESP_ERR_NOT_SUPPORTED if wakeup from USB is not supported
+ */
+esp_err_t esp_sleep_disable_usb_wakeup(void);
+
 /**
  * @brief Enable wakeup by WiFi MAC
  * @return

components/esp_hw_support/sleep_modes.c

@@ -1686,6 +1686,11 @@ esp_err_t esp_sleep_disable_wakeup_source(esp_sleep_source_t source)
     else if (CHECK_SOURCE(source, ESP_SLEEP_WAKEUP_VBAT_UNDER_VOLT, RTC_VBAT_UNDER_VOLT_TRIG_EN)) {
         s_config.wakeup_triggers &= ~RTC_VBAT_UNDER_VOLT_TRIG_EN;
     }
+#endif
+#if SOC_PM_SUPPORT_USB_WAKEUP
+    else if (CHECK_SOURCE(source, ESP_SLEEP_WAKEUP_USB, RTC_USB_TRIG_EN)) {
+        s_config.wakeup_triggers &= ~RTC_USB_TRIG_EN;
+    }
 #endif
     else {
         ESP_LOGE(TAG, "Incorrect wakeup source (%d) to disable.", (int) source);
@@ -2287,6 +2292,26 @@ esp_err_t esp_sleep_disable_bt_wakeup(void)
 #endif
 }
 
+esp_err_t esp_sleep_enable_usb_wakeup(void)
+{
+#if SOC_PM_SUPPORT_USB_WAKEUP
+    s_config.wakeup_triggers |= RTC_USB_TRIG_EN;
+    return ESP_OK;
+#else
+    return ESP_ERR_NOT_SUPPORTED;
+#endif
+}
+
+esp_err_t esp_sleep_disable_usb_wakeup(void)
+{
+#if SOC_PM_SUPPORT_USB_WAKEUP
+    s_config.wakeup_triggers &= (~RTC_USB_TRIG_EN);
+    return ESP_OK;
+#else
+    return ESP_ERR_NOT_SUPPORTED;
+#endif
+}
+
 esp_sleep_wakeup_cause_t esp_sleep_get_wakeup_cause(void)
 {
     if (esp_rom_get_reset_reason(0) != RESET_REASON_CORE_DEEP_SLEEP && !s_light_sleep_wakeup) {
@@ -2445,6 +2470,11 @@ uint32_t esp_sleep_get_wakeup_causes(void)
     if (wakeup_cause_raw & RTC_VBAT_UNDER_VOLT_TRIG_EN) {
         wakeup_cause |= BIT(ESP_SLEEP_WAKEUP_VBAT_UNDER_VOLT);
     }
+#endif
+#if SOC_PM_SUPPORT_USB_WAKEUP
+    if (wakeup_cause_raw & RTC_USB_TRIG_EN) {
+        wakeup_cause |= BIT(ESP_SLEEP_WAKEUP_USB);
+    }
 #endif
     if (wakeup_cause == 0) {
         wakeup_cause |= BIT(ESP_SLEEP_WAKEUP_UNDEFINED);

components/soc/esp32p4/include/soc/Kconfig.soc_caps.in

@@ -1175,6 +1175,10 @@ config SOC_USB_UTMI_PHY_NO_POWER_OFF_ISO
     bool
     default y
 
+config SOC_PM_SUPPORT_USB_WAKEUP
+    int
+    default 1
+
 config SOC_PARLIO_TX_UNIT_MAX_DATA_WIDTH
     int
     default 16

components/soc/esp32p4/include/soc/soc_caps.h

@@ -435,6 +435,7 @@
 // USB PHY Caps
 #define SOC_USB_UTMI_PHY_NUM            (1U)
 #define SOC_USB_UTMI_PHY_NO_POWER_OFF_ISO    1
+#define SOC_PM_SUPPORT_USB_WAKEUP       (1U)
 
 /*-------------------------- PARLIO CAPS --------------------------------------*/
 #define SOC_PARLIO_TX_UNIT_MAX_DATA_WIDTH    16  /*!< Number of data lines of the TX unit */