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MLK-14285-1 usb: phy: add usb mode for usb_phy

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USB phy driver may need to know the current working mode of
the controller, and does some different settings according to
host mode or device mode.

Signed-off-by: Li Jun <jun.li@nxp.com>
(cherry picked from commit 2286cb30feedd6f4a5cb82a0f0af5aa3a04ab698)
This commit is contained in:
Li Jun
2017-04-12 05:31:17 +08:00
parent 67c42d042a
commit 9be0572c52
1 changed files with 19 additions and 0 deletions
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19
include/linux/usb/phy.h
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@ -60,6 +60,13 @@ enum usb_otg_state {
OTG_STATE_A_VBUS_ERR,
};
/* The usb role of phy to be working with */
enum usb_current_mode {
USB_MODE_NONE,
USB_MODE_HOST,
USB_MODE_DEVICE,
};
struct usb_phy;
struct usb_otg;
@ -127,6 +134,9 @@ struct usb_phy {
int (*notify_resume)(struct usb_phy *x,
enum usb_device_speed speed);
int (*set_mode)(struct usb_phy *x,
enum usb_current_mode mode);
};
/**
@ -201,6 +211,15 @@ usb_phy_vbus_off(struct usb_phy *x)
return x->set_vbus(x, false);
}
static inline int
usb_phy_set_mode(struct usb_phy *x, enum usb_current_mode mode)
{
if (!x || !x->set_mode)
return 0;
return x->set_mode(x, mode);
}
/* for usb host and peripheral controller drivers */
#if IS_ENABLED(CONFIG_USB_PHY)
extern struct usb_phy *usb_get_phy(enum usb_phy_type type);