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usb: dwc2: notify the usb role to usb2 phy

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Notify the usb role to usb2 phy when we received role_switch set from
the TCPM (Type-C Port Manager) to escape BC1.2 charge detection at host
mode in usb2 phy driver.

Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Change-Id: Id41df3d25b29771d4461cfd1106ca3f3c2572a18
This commit is contained in:
Frank Wang
2024-05-16 16:37:48 +08:00
committed by Tao Huang
parent 6ddbc89515
commit 6269118e0a
1 changed files with 8 additions and 0 deletions
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8
drivers/usb/dwc2/drd.c
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@@ -117,6 +117,14 @@ static int dwc2_drd_role_sw_set(struct usb_role_switch *sw, enum usb_role role)
return ret;
}
/*
* Notify the usb role to usb phy when we received role_switch set
* from the TCPM (Type-C Port Manager) to escape BC1.2 charge detection
* at host mode in usb phy driver.
*/
if (IS_ENABLED(CONFIG_ARCH_ROCKCHIP))
phy_set_mode_ext(hsotg->phy, PHY_MODE_USB_OTG, role);
spin_lock_irqsave(&hsotg->lock, flags);
if (role == USB_ROLE_NONE) {