1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * OF helpers for usb devices.
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * This file is released under the GPLv2
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #ifndef __LINUX_USB_OF_H
9*4882a593Smuzhiyun #define __LINUX_USB_OF_H
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include <linux/usb/ch9.h>
12*4882a593Smuzhiyun #include <linux/usb/otg.h>
13*4882a593Smuzhiyun #include <linux/usb/phy.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun struct usb_device;
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_OF)
18*4882a593Smuzhiyun enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0);
19*4882a593Smuzhiyun bool of_usb_host_tpl_support(struct device_node *np);
20*4882a593Smuzhiyun int of_usb_update_otg_caps(struct device_node *np,
21*4882a593Smuzhiyun struct usb_otg_caps *otg_caps);
22*4882a593Smuzhiyun struct device_node *usb_of_get_device_node(struct usb_device *hub, int port1);
23*4882a593Smuzhiyun bool usb_of_has_combined_node(struct usb_device *udev);
24*4882a593Smuzhiyun struct device_node *usb_of_get_interface_node(struct usb_device *udev,
25*4882a593Smuzhiyun u8 config, u8 ifnum);
26*4882a593Smuzhiyun struct device *usb_of_get_companion_dev(struct device *dev);
27*4882a593Smuzhiyun #else
28*4882a593Smuzhiyun static inline enum usb_dr_mode
of_usb_get_dr_mode_by_phy(struct device_node * np,int arg0)29*4882a593Smuzhiyun of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0)
30*4882a593Smuzhiyun {
31*4882a593Smuzhiyun return USB_DR_MODE_UNKNOWN;
32*4882a593Smuzhiyun }
of_usb_host_tpl_support(struct device_node * np)33*4882a593Smuzhiyun static inline bool of_usb_host_tpl_support(struct device_node *np)
34*4882a593Smuzhiyun {
35*4882a593Smuzhiyun return false;
36*4882a593Smuzhiyun }
of_usb_update_otg_caps(struct device_node * np,struct usb_otg_caps * otg_caps)37*4882a593Smuzhiyun static inline int of_usb_update_otg_caps(struct device_node *np,
38*4882a593Smuzhiyun struct usb_otg_caps *otg_caps)
39*4882a593Smuzhiyun {
40*4882a593Smuzhiyun return 0;
41*4882a593Smuzhiyun }
42*4882a593Smuzhiyun static inline struct device_node *
usb_of_get_device_node(struct usb_device * hub,int port1)43*4882a593Smuzhiyun usb_of_get_device_node(struct usb_device *hub, int port1)
44*4882a593Smuzhiyun {
45*4882a593Smuzhiyun return NULL;
46*4882a593Smuzhiyun }
usb_of_has_combined_node(struct usb_device * udev)47*4882a593Smuzhiyun static inline bool usb_of_has_combined_node(struct usb_device *udev)
48*4882a593Smuzhiyun {
49*4882a593Smuzhiyun return false;
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun static inline struct device_node *
usb_of_get_interface_node(struct usb_device * udev,u8 config,u8 ifnum)52*4882a593Smuzhiyun usb_of_get_interface_node(struct usb_device *udev, u8 config, u8 ifnum)
53*4882a593Smuzhiyun {
54*4882a593Smuzhiyun return NULL;
55*4882a593Smuzhiyun }
usb_of_get_companion_dev(struct device * dev)56*4882a593Smuzhiyun static inline struct device *usb_of_get_companion_dev(struct device *dev)
57*4882a593Smuzhiyun {
58*4882a593Smuzhiyun return NULL;
59*4882a593Smuzhiyun }
60*4882a593Smuzhiyun #endif
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_USB_SUPPORT)
63*4882a593Smuzhiyun enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np);
64*4882a593Smuzhiyun #else
of_usb_get_phy_mode(struct device_node * np)65*4882a593Smuzhiyun static inline enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np)
66*4882a593Smuzhiyun {
67*4882a593Smuzhiyun return USBPHY_INTERFACE_MODE_UNKNOWN;
68*4882a593Smuzhiyun }
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun #endif
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun #endif /* __LINUX_USB_OF_H */
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