LXR linux/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)
  15enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0);
  16bool of_usb_host_tpl_support(struct device_node *np);
  17int of_usb_update_otg_caps(struct device_node *np,
  18                        struct usb_otg_caps *otg_caps);
  19struct device_node *usb_of_get_child_node(struct device_node *parent,
  20                        int portnum);
  21struct device *usb_of_get_companion_dev(struct device *dev);
  22#else
  23static inline enum usb_dr_mode
  24of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0)
  25{
  26        return USB_DR_MODE_UNKNOWN;
  27}
  28static inline bool of_usb_host_tpl_support(struct device_node *np)
  29{
  30        return false;
  31}
  32static inline int of_usb_update_otg_caps(struct device_node *np,
  33                                struct usb_otg_caps *otg_caps)
  34{
  35        return 0;
  36}
  37static inline struct device_node *usb_of_get_child_node
  38                (struct device_node *parent, int portnum)
  39{
  40        return NULL;
  41}
  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)
  49enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np);
  50#else
  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