1// SPDX-License-Identifier: GPL-2.0
2/*
3 * OF helpers for usb devices.
4 */
5
6#ifndef __LINUX_USB_OF_H
7#define __LINUX_USB_OF_H
8
9#include <linux/usb.h>
10#include <linux/usb/ch9.h>
11#include <linux/usb/otg.h>
12#include <linux/usb/phy.h>
13
14struct usb_device;
15
16#if IS_ENABLED(CONFIG_OF)
17enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0);
18bool of_usb_host_tpl_support(struct device_node *np);
19int of_usb_update_otg_caps(struct device_node *np,
20 struct usb_otg_caps *otg_caps);
21enum usb_port_connect_type usb_of_get_connect_type(struct usb_device *hub, int port1);
22struct device_node *usb_of_get_device_node(struct usb_device *hub, int port1);
23bool usb_of_has_combined_node(struct usb_device *udev);
24struct device_node *usb_of_get_interface_node(struct usb_device *udev,
25 u8 config, u8 ifnum);
26struct device *usb_of_get_companion_dev(struct device *dev);
27#else
28static inline enum usb_dr_mode
29of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0)
30{
31 return USB_DR_MODE_UNKNOWN;
32}
33static inline bool of_usb_host_tpl_support(struct device_node *np)
34{
35 return false;
36}
37static inline int of_usb_update_otg_caps(struct device_node *np,
38 struct usb_otg_caps *otg_caps)
39{
40 return 0;
41}
42static inline enum usb_port_connect_type
43usb_of_get_connect_type(const struct usb_device *hub, int port1)
44{
45 return USB_PORT_CONNECT_TYPE_UNKNOWN;
46}
47static inline struct device_node *
48usb_of_get_device_node(struct usb_device *hub, int port1)
49{
50 return NULL;
51}
52static inline bool usb_of_has_combined_node(struct usb_device *udev)
53{
54 return false;
55}
56static inline struct device_node *
57usb_of_get_interface_node(struct usb_device *udev, u8 config, u8 ifnum)
58{
59 return NULL;
60}
61static inline struct device *usb_of_get_companion_dev(struct device *dev)
62{
63 return NULL;
64}
65#endif
66
67#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_USB_SUPPORT)
68enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np);
69#else
70static inline enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np)
71{
72 return USBPHY_INTERFACE_MODE_UNKNOWN;
73}
74
75#endif
76
77#endif /* __LINUX_USB_OF_H */
78