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path: root/drivers/usb/dwc2/core.c
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Diffstat (limited to 'drivers/usb/dwc2/core.c')
-rw-r--r--drivers/usb/dwc2/core.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c
index 01ac4a064feb..8b499d643461 100644
--- a/drivers/usb/dwc2/core.c
+++ b/drivers/usb/dwc2/core.c
@@ -1152,6 +1152,15 @@ static int dwc2_hs_phy_init(struct dwc2_hsotg *hsotg, bool select_phy)
usbcfg &= ~(GUSBCFG_ULPI_UTMI_SEL | GUSBCFG_PHYIF16);
if (hsotg->params.phy_utmi_width == 16)
usbcfg |= GUSBCFG_PHYIF16;
+
+ /* Set turnaround time */
+ if (dwc2_is_device_mode(hsotg)) {
+ usbcfg &= ~GUSBCFG_USBTRDTIM_MASK;
+ if (hsotg->params.phy_utmi_width == 16)
+ usbcfg |= 5 << GUSBCFG_USBTRDTIM_SHIFT;
+ else
+ usbcfg |= 9 << GUSBCFG_USBTRDTIM_SHIFT;
+ }
break;
default:
dev_err(hsotg->dev, "FS PHY selected at HS!\n");