include/linux/usb/of.h

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * OF helpers for usb devices.
   4  *
   5  * This file is released under the GPLv2
   6  */
   7
   8 #ifndef __LINUX_USB_OF_H
   9 #define __LINUX_USB_OF_H
  10
  11 #include <linux/usb/ch9.h>
  12 #include <linux/usb/otg.h>
  13 #include <linux/usb/phy.h>
  14
  15 #if IS_ENABLED(CONFIG_OF)
  16 enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0);
  17 bool of_usb_host_tpl_support(struct device_node *np);
  18 int of_usb_update_otg_caps(struct device_node *np,
  19                         struct usb_otg_caps *otg_caps);
  20 struct device_node *usb_of_get_child_node(struct device_node *parent,
  21                         int portnum);
  22 struct device *usb_of_get_companion_dev(struct device *dev);
  23 #else
  24 static inline enum usb_dr_mode
  25 of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0)
  26 {
  27         return USB_DR_MODE_UNKNOWN;
  28 }
  29 static inline bool of_usb_host_tpl_support(struct device_node *np)
  30 {
  31         return false;
  32 }
  33 static inline int of_usb_update_otg_caps(struct device_node *np,
  34                                 struct usb_otg_caps *otg_caps)
  35 {
  36         return 0;
  37 }
  38 static inline struct device_node *usb_of_get_child_node
  39                 (struct device_node *parent, int portnum)
  40 {
  41         return NULL;
  42 }
  43 static inline struct device *usb_of_get_companion_dev(struct device *dev)
  44 {
  45         return NULL;
  46 }
  47 #endif
  48
  49 #if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_USB_SUPPORT)
  50 enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np);
  51 #else
  52 static inline enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np)
  53 {
  54         return USBPHY_INTERFACE_MODE_UNKNOWN;
  55 }
  56
  57 #endif
  58
  59 #endif /* __LINUX_USB_OF_H */