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
14 struct usb_device;
15
16 #if IS_ENABLED(CONFIG_OF)
17 enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0);
18 bool of_usb_host_tpl_support(struct device_node *np);
19 int of_usb_update_otg_caps(struct device_node *np,
20 struct usb_otg_caps *otg_caps);
21 enum usb_port_connect_type usb_of_get_connect_type(struct usb_device *hub, int port1);
22 struct device_node *usb_of_get_device_node(struct usb_device *hub, int port1);
23 bool usb_of_has_combined_node(struct usb_device *udev);
24 struct device_node *usb_of_get_interface_node(struct usb_device *udev,
25 u8 config, u8 ifnum);
26 struct device *usb_of_get_companion_dev(struct device *dev);
27 #else
28 static inline enum usb_dr_mode
29 of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0)
30 {
31 return USB_DR_MODE_UNKNOWN;
32 }
33 static inline bool of_usb_host_tpl_support(struct device_node *np)
34 {
35 return false;
36 }
37 static inline int of_usb_update_otg_caps(struct device_node *np,
38 struct usb_otg_caps *otg_caps)
39 {
40 return 0;
41 }
42 static inline enum usb_port_connect_type
43 usb_of_get_connect_type(const struct usb_device *hub, int port1)
44 {
45 return USB_PORT_CONNECT_TYPE_UNKNOWN;
46 }
47 static inline struct device_node *
48 usb_of_get_device_node(struct usb_device *hub, int port1)
49 {
50 return NULL;
51 }
52 static inline bool usb_of_has_combined_node(struct usb_device *udev)
53 {
54 return false;
55 }
56 static inline struct device_node *
57 usb_of_get_interface_node(struct usb_device *udev, u8 config, u8 ifnum)
58 {
59 return NULL;
60 }
61 static 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)
68 enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np);
69 #else
70 static 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
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.