From ec89a34069e9d33dd8f809c02a12ffb619d67e1f Mon Sep 17 00:00:00 2001 From: Li Jun Date: Wed, 12 Apr 2017 05:31:17 +0800 Subject: [PATCH] MLK-14285-1 usb: phy: add usb mode for usb_phy 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 (cherry picked from commit 2286cb30feedd6f4a5cb82a0f0af5aa3a04ab698) Signed-off-by: Vipul Kumar Signed-off-by: Srikanth Krishnakar --- include/linux/usb/phy.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) --- a/include/linux/usb/phy.h +++ b/include/linux/usb/phy.h @@ -63,6 +63,13 @@ enum usb_otg_state { OTG_STATE_A_VBUS_ERR, }; +/* The usb role of phy to be working with */ +enum usb_current_mode { + CUR_USB_MODE_NONE, + CUR_USB_MODE_HOST, + CUR_USB_MODE_DEVICE, +}; + struct usb_phy; struct usb_otg; @@ -161,6 +168,9 @@ 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); + }; /* for board-specific init logic */ @@ -219,6 +229,15 @@ 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);