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path: root/drivers/usb/dwc3/dwc3-st.c
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Diffstat (limited to 'drivers/usb/dwc3/dwc3-st.c')
-rw-r--r--drivers/usb/dwc3/dwc3-st.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c
index 5c0adb9c6fb2..50d6ae6f88bc 100644
--- a/drivers/usb/dwc3/dwc3-st.c
+++ b/drivers/usb/dwc3/dwc3-st.c
@@ -129,12 +129,18 @@ static int st_dwc3_drd_init(struct st_dwc3 *dwc3_data)
switch (dwc3_data->dr_mode) {
case USB_DR_MODE_PERIPHERAL:
- val &= ~(USB3_FORCE_VBUSVALID | USB3_DELAY_VBUSVALID
+ val &= ~(USB3_DELAY_VBUSVALID
| USB3_SEL_FORCE_OPMODE | USB3_FORCE_OPMODE(0x3)
| USB3_SEL_FORCE_DPPULLDOWN2 | USB3_FORCE_DPPULLDOWN2
| USB3_SEL_FORCE_DMPULLDOWN2 | USB3_FORCE_DMPULLDOWN2);
- val |= USB3_DEVICE_NOT_HOST;
+ /*
+ * USB3_PORT2_FORCE_VBUSVALID When '1' and when
+ * USB3_PORT2_DEVICE_NOT_HOST = 1, forces VBUSVLDEXT2 input
+ * of the pico PHY to 1.
+ */
+
+ val |= USB3_DEVICE_NOT_HOST | USB3_FORCE_VBUSVALID;
break;
case USB_DR_MODE_HOST: