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(struct device_node *np);
  16enum usb_device_speed of_usb_get_maximum_speed(struct device_node *np);
  17bool of_usb_host_tpl_support(struct device_node *np);
  18int of_usb_update_otg_caps(struct device_node *np,
  19                        struct usb_otg_caps *otg_caps);
  20#else
  21static inline enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np)
  22{
  23        return USB_DR_MODE_UNKNOWN;
  24}
  25
  26static inline enum usb_device_speed
  27of_usb_get_maximum_speed(struct device_node *np)
  28{
  29        return USB_SPEED_UNKNOWN;
  30}
  31static inline bool of_usb_host_tpl_support(struct device_node *np)
  32{
  33        return false;
  34}
  35static inline int of_usb_update_otg_caps(struct device_node *np,
  36                                struct usb_otg_caps *otg_caps)
  37{
  38        return 0;
  39}
  40#endif
  41
  42#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_USB_SUPPORT)
  43enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np);
  44#else
  45static inline enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np)
  46{
  47        return USBPHY_INTERFACE_MODE_UNKNOWN;
  48}
  49
  50#endif
  51
  52#endif /* __LINUX_USB_OF_H */
  53