1
2
3
4
5
6
7
8
9#ifndef __LINUX_OF_MDIO_H
10#define __LINUX_OF_MDIO_H
11
12#include <linux/phy.h>
13#include <linux/of.h>
14
15#ifdef CONFIG_OF
16extern int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np);
17extern struct phy_device *of_phy_find_device(struct device_node *phy_np);
18extern struct phy_device *of_phy_connect(struct net_device *dev,
19 struct device_node *phy_np,
20 void (*hndlr)(struct net_device *),
21 u32 flags, phy_interface_t iface);
22struct phy_device *of_phy_attach(struct net_device *dev,
23 struct device_node *phy_np, u32 flags,
24 phy_interface_t iface);
25
26extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
27extern int of_mdio_parse_addr(struct device *dev, const struct device_node *np);
28
29#else
30static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
31{
32
33
34
35
36
37 return mdiobus_register(mdio);
38}
39
40static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
41{
42 return NULL;
43}
44
45static inline struct phy_device *of_phy_connect(struct net_device *dev,
46 struct device_node *phy_np,
47 void (*hndlr)(struct net_device *),
48 u32 flags, phy_interface_t iface)
49{
50 return NULL;
51}
52
53static inline struct phy_device *of_phy_attach(struct net_device *dev,
54 struct device_node *phy_np,
55 u32 flags, phy_interface_t iface)
56{
57 return NULL;
58}
59
60static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
61{
62 return NULL;
63}
64
65static inline int of_mdio_parse_addr(struct device *dev,
66 const struct device_node *np)
67{
68 return -ENOSYS;
69}
70#endif
71
72#if defined(CONFIG_OF) && defined(CONFIG_FIXED_PHY)
73extern int of_phy_register_fixed_link(struct device_node *np);
74extern bool of_phy_is_fixed_link(struct device_node *np);
75#else
76static inline int of_phy_register_fixed_link(struct device_node *np)
77{
78 return -ENOSYS;
79}
80static inline bool of_phy_is_fixed_link(struct device_node *np)
81{
82 return false;
83}
84#endif
85
86
87#endif
88