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[~andy/linux] / include / linux / of_mdio.h
1 /*
2  * OF helpers for the MDIO (Ethernet PHY) API
3  *
4  * Copyright (c) 2009 Secret Lab Technologies, Ltd.
5  *
6  * This file is released under the GPLv2
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
16 extern int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np);
17 extern struct phy_device *of_phy_find_device(struct device_node *phy_np);
18 extern 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);
22 struct phy_device *of_phy_attach(struct net_device *dev,
23                                  struct device_node *phy_np, u32 flags,
24                                  phy_interface_t iface);
25 extern struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
26                                          void (*hndlr)(struct net_device *),
27                                          phy_interface_t iface);
28
29 extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
30
31 #else /* CONFIG_OF */
32 static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
33 {
34         return -ENOSYS;
35 }
36
37 static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
38 {
39         return NULL;
40 }
41
42 static inline struct phy_device *of_phy_connect(struct net_device *dev,
43                                                 struct device_node *phy_np,
44                                                 void (*hndlr)(struct net_device *),
45                                                 u32 flags, phy_interface_t iface)
46 {
47         return NULL;
48 }
49
50 static inline struct phy_device *of_phy_attach(struct net_device *dev,
51                                                struct device_node *phy_np,
52                                                u32 flags, phy_interface_t iface)
53 {
54         return NULL;
55 }
56
57 static inline struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
58                                                            void (*hndlr)(struct net_device *),
59                                                            phy_interface_t iface)
60 {
61         return NULL;
62 }
63
64 static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
65 {
66         return NULL;
67 }
68 #endif /* CONFIG_OF */
69
70 #endif /* __LINUX_OF_MDIO_H */