mirror of
https://github.com/u-boot/u-boot.git
synced 2024-11-24 20:54:24 +08:00
aa29b11b3f
The sunxi otg phy has a bug where it wrongly detects a high speed squelch when reset on the root port gets de-asserted with a lo-speed device. The workaround for this is to disable squelch detect before de-asserting reset, and re-enabling it after the reset de-assert is done. Add a sunxi specific phy function to allow the sunxi-musb glue to do this. Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Acked-by: Jun Nie <jun.nie@linaro.org>
35 lines
863 B
C
35 lines
863 B
C
/*
|
|
* Copyright (C) 2017 Jagan Teki <jagan@amarulasolutions.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef __GENERIC_PHY_SUN4I_USB_H
|
|
#define __GENERIC_PHY_SUN4I_USB_H
|
|
|
|
/**
|
|
* sun4i_usb_phy_id_detect - detect ID pin of USB PHY
|
|
*
|
|
* @phy: USB PHY port to detect ID pin
|
|
* @return 0 if OK, or a negative error code
|
|
*/
|
|
int sun4i_usb_phy_id_detect(struct phy *phy);
|
|
|
|
/**
|
|
* sun4i_usb_phy_vbus_detect - detect VBUS pin of USB PHY
|
|
*
|
|
* @phy: USB PHY port to detect VBUS pin
|
|
* @return 0 if OK, or a negative error code
|
|
*/
|
|
int sun4i_usb_phy_vbus_detect(struct phy *phy);
|
|
|
|
/**
|
|
* sun4i_usb_phy_set_squelch_detect() - Enable/disable squelch detect
|
|
*
|
|
* @phy: reference to a sun4i usb phy
|
|
* @enabled: wether to enable or disable squelch detect
|
|
*/
|
|
void sun4i_usb_phy_set_squelch_detect(struct phy *phy, bool enabled);
|
|
|
|
#endif /*__GENERIC_PHY_SUN4I_USB_H */
|