1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * OF helpers for usb devices. 4 * 5 * This file is released under the GPLv2 6 */ 7 8 #ifndef __LINUX_USB_OF_H 9 #define __LINUX_USB_OF_H 10 11 #include <linux/usb/ch9.h> 12 #include <linux/usb/otg.h> 13 #include <linux/usb/phy.h> 14 15 struct usb_device; 16 17 #if IS_ENABLED(CONFIG_OF) 18 enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0); 19 bool of_usb_host_tpl_support(struct device_node *np); 20 int of_usb_update_otg_caps(struct device_node *np, 21 struct usb_otg_caps *otg_caps); 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 of_usb_get_dr_mode_by_phy(struct device_node * np,int arg0)29 of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0) 30 { 31 return USB_DR_MODE_UNKNOWN; 32 } of_usb_host_tpl_support(struct device_node * np)33 static inline bool of_usb_host_tpl_support(struct device_node *np) 34 { 35 return false; 36 } of_usb_update_otg_caps(struct device_node * np,struct usb_otg_caps * otg_caps)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 struct device_node * usb_of_get_device_node(struct usb_device * hub,int port1)43 usb_of_get_device_node(struct usb_device *hub, int port1) 44 { 45 return NULL; 46 } usb_of_has_combined_node(struct usb_device * udev)47 static inline bool usb_of_has_combined_node(struct usb_device *udev) 48 { 49 return false; 50 } 51 static inline struct device_node * usb_of_get_interface_node(struct usb_device * udev,u8 config,u8 ifnum)52 usb_of_get_interface_node(struct usb_device *udev, u8 config, u8 ifnum) 53 { 54 return NULL; 55 } usb_of_get_companion_dev(struct device * dev)56 static inline struct device *usb_of_get_companion_dev(struct device *dev) 57 { 58 return NULL; 59 } 60 #endif 61 62 #if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_USB_SUPPORT) 63 enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np); 64 #else of_usb_get_phy_mode(struct device_node * np)65 static inline enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np) 66 { 67 return USBPHY_INTERFACE_MODE_UNKNOWN; 68 } 69 70 #endif 71 72 #endif /* __LINUX_USB_OF_H */ 73