Blame view

kernel/linux-imx6_3.14.28/include/linux/of_mdio.h 1.88 KB
6b13f685e   김민수   BSP 최초 추가
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
  /*
   * OF helpers for the MDIO (Ethernet PHY) API
   *
   * Copyright (c) 2009 Secret Lab Technologies, Ltd.
   *
   * This file is released under the GPLv2
   */
  
  #ifndef __LINUX_OF_MDIO_H
  #define __LINUX_OF_MDIO_H
  
  #include <linux/phy.h>
  #include <linux/of.h>
  
  #ifdef CONFIG_OF
  extern int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np);
  extern struct phy_device *of_phy_find_device(struct device_node *phy_np);
  extern struct phy_device *of_phy_connect(struct net_device *dev,
  					 struct device_node *phy_np,
  					 void (*hndlr)(struct net_device *),
  					 u32 flags, phy_interface_t iface);
  struct phy_device *of_phy_attach(struct net_device *dev,
  				 struct device_node *phy_np, u32 flags,
  				 phy_interface_t iface);
  
  extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
  
  #else /* CONFIG_OF */
  static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
  {
  	return -ENOSYS;
  }
  
  static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
  {
  	return NULL;
  }
  
  static inline struct phy_device *of_phy_connect(struct net_device *dev,
  						struct device_node *phy_np,
  						void (*hndlr)(struct net_device *),
  						u32 flags, phy_interface_t iface)
  {
  	return NULL;
  }
  
  static inline struct phy_device *of_phy_attach(struct net_device *dev,
  					       struct device_node *phy_np,
  					       u32 flags, phy_interface_t iface)
  {
  	return NULL;
  }
  
  static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
  {
  	return NULL;
  }
  #endif /* CONFIG_OF */
  
  #if defined(CONFIG_OF) && defined(CONFIG_FIXED_PHY)
  extern int of_phy_register_fixed_link(struct device_node *np);
  extern bool of_phy_is_fixed_link(struct device_node *np);
  #else
  static inline int of_phy_register_fixed_link(struct device_node *np)
  {
  	return -ENOSYS;
  }
  static inline bool of_phy_is_fixed_link(struct device_node *np)
  {
  	return false;
  }
  #endif
  
  
  #endif /* __LINUX_OF_MDIO_H */