1 /* 2 * OF helpers for usb devices. 3 * 4 * This file is released under the GPLv2 5 */ 6 7 #ifndef __LINUX_USB_OF_H 8 #define __LINUX_USB_OF_H 9 10 #include <linux/usb/ch9.h> 11 #include <linux/usb/otg.h> 12 #include <linux/usb/phy.h> 13 14 #if IS_ENABLED(CONFIG_OF) 15 enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0); 16 bool of_usb_host_tpl_support(struct device_node *np); 17 int of_usb_update_otg_caps(struct device_node *np, 18 struct usb_otg_caps *otg_caps); 19 struct device_node *usb_of_get_child_node(struct device_node *parent, 20 int portnum); 21 struct device *usb_of_get_companion_dev(struct device *dev); 22 #else 23 static inline enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node * np,int arg0)24of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0) 25 { 26 return USB_DR_MODE_UNKNOWN; 27 } of_usb_host_tpl_support(struct device_node * np)28static inline bool of_usb_host_tpl_support(struct device_node *np) 29 { 30 return false; 31 } of_usb_update_otg_caps(struct device_node * np,struct usb_otg_caps * otg_caps)32static inline int of_usb_update_otg_caps(struct device_node *np, 33 struct usb_otg_caps *otg_caps) 34 { 35 return 0; 36 } usb_of_get_child_node(struct device_node * parent,int portnum)37static inline struct device_node *usb_of_get_child_node 38 (struct device_node *parent, int portnum) 39 { 40 return NULL; 41 } usb_of_get_companion_dev(struct device * dev)42static inline struct device *usb_of_get_companion_dev(struct device *dev) 43 { 44 return NULL; 45 } 46 #endif 47 48 #if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_USB_SUPPORT) 49 enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np); 50 #else of_usb_get_phy_mode(struct device_node * np)51static inline enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np) 52 { 53 return USBPHY_INTERFACE_MODE_UNKNOWN; 54 } 55 56 #endif 57 58 #endif /* __LINUX_USB_OF_H */ 59