diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index b5eb0ec8b36b..08ff22947028 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1488,6 +1488,9 @@ static int dwc3_core_init(struct dwc3 *dwc)
 		if (dwc->parkmode_disable_hs_quirk)
 			reg |= DWC3_GUCTL1_PARKMODE_DISABLE_HS;
 
+		if (dwc->parkmode_disable_fsls_quirk)
+			reg |= DWC3_GUCTL1_PARKMODE_DISABLE_FSLS;
+
 		if (DWC3_VER_IS_WITHIN(DWC3, 290A, ANY)) {
 			if (dwc->maximum_speed == USB_SPEED_FULL ||
 			    dwc->maximum_speed == USB_SPEED_HIGH)
@@ -1867,6 +1870,8 @@ static void dwc3_get_properties(struct dwc3 *dwc)
 				"snps,parkmode-disable-ss-quirk");
 	dwc->parkmode_disable_hs_quirk = device_property_read_bool(dev,
 				"snps,parkmode-disable-hs-quirk");
+	dwc->parkmode_disable_fsls_quirk = device_property_read_bool(dev,
+				"snps,parkmode-disable-fsls-quirk");
 	dwc->gfladj_refclk_lpm_sel = device_property_read_bool(dev,
 				"snps,gfladj-refclk-lpm-sel-quirk");
 
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 0f9c0172434d..331d15ed905c 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -284,6 +284,7 @@
 #define DWC3_GUCTL1_DEV_L1_EXIT_BY_HW		BIT(24)
 #define DWC3_GUCTL1_PARKMODE_DISABLE_SS		BIT(17)
 #define DWC3_GUCTL1_PARKMODE_DISABLE_HS		BIT(16)
+#define DWC3_GUCTL1_PARKMODE_DISABLE_FSLS	BIT(15)
 #define DWC3_GUCTL1_RESUME_OPMODE_HS_HOST	BIT(10)
 
 /* Global Status Register */
@@ -1151,10 +1152,12 @@ struct dwc3_glue_ops {
  *			generation after resume from suspend.
  * @ulpi_ext_vbus_drv: Set to confiure the upli chip to drives CPEN pin
  *			VBUS with an external supply.
- * @parkmode_disable_ss_quirk: set if we need to disable all SuperSpeed
- *			instances in park mode.
- * @parkmode_disable_hs_quirk: set if we need to disable all HishSpeed
- *			instances in park mode.
+ * @parkmode_disable_ss_quirk: If set, disable park mode feature for all
+ *			Superspeed instances.
+ * @parkmode_disable_hs_quirk: If set, disable park mode feature for all
+ *			Highspeed instances.
+ * @parkmode_disable_fsls_quirk: If set, disable park mode feature for all
+ *			Full/Lowspeed instances.
  * @gfladj_refclk_lpm_sel: set if we need to enable SOF/ITP counter
  *                          running based on ref_clk
  * @tx_de_emphasis_quirk: set if we enable Tx de-emphasis quirk
@@ -1397,6 +1400,7 @@ struct dwc3 {
 	unsigned		ulpi_ext_vbus_drv:1;
 	unsigned		parkmode_disable_ss_quirk:1;
 	unsigned		parkmode_disable_hs_quirk:1;
+	unsigned		parkmode_disable_fsls_quirk:1;
 	unsigned		gfladj_refclk_lpm_sel:1;
 
 	unsigned		tx_de_emphasis_quirk:1;