include/linux/usb/of.h

   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
  24 of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0)
  25 {
  26         return USB_DR_MODE_UNKNOWN;
  27 }
  28 static inline bool of_usb_host_tpl_support(struct device_node *np)
  29 {
  30         return false;
  31 }
  32 static inline int of_usb_update_otg_caps(struct device_node *np,
  33                                 struct usb_otg_caps *otg_caps)
  34 {
  35         return 0;
  36 }
  37 static inline struct device_node *usb_of_get_child_node
  38                 (struct device_node *parent, int portnum)
  39 {
  40         return NULL;
  41 }
  42 static 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
  51 static 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 */