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include/linux/usb/of.h 1.42 KB
81f7e3824   Eric Lee   Initial Release, ...
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  /*
   * OF helpers for usb devices.
   *
   * This file is released under the GPLv2
   */
  
  #ifndef __LINUX_USB_OF_H
  #define __LINUX_USB_OF_H
  
  #include <linux/usb/ch9.h>
  #include <linux/usb/otg.h>
  #include <linux/usb/phy.h>
  
  #if IS_ENABLED(CONFIG_OF)
  enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0);
  bool of_usb_host_tpl_support(struct device_node *np);
  int of_usb_update_otg_caps(struct device_node *np,
  			struct usb_otg_caps *otg_caps);
  struct device_node *usb_of_get_child_node(struct device_node *parent,
  			int portnum);
  struct device *usb_of_get_companion_dev(struct device *dev);
  #else
  static inline enum usb_dr_mode
  of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0)
  {
  	return USB_DR_MODE_UNKNOWN;
  }
  static inline bool of_usb_host_tpl_support(struct device_node *np)
  {
  	return false;
  }
  static inline int of_usb_update_otg_caps(struct device_node *np,
  				struct usb_otg_caps *otg_caps)
  {
  	return 0;
  }
  static inline struct device_node *usb_of_get_child_node
  		(struct device_node *parent, int portnum)
  {
  	return NULL;
  }
  static inline struct device *usb_of_get_companion_dev(struct device *dev)
  {
  	return NULL;
  }
  #endif
  
  #if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_USB_SUPPORT)
  enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np);
  #else
  static inline enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np)
  {
  	return USBPHY_INTERFACE_MODE_UNKNOWN;
  }
  
  #endif
  
  #endif /* __LINUX_USB_OF_H */