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[karo-tx-linux.git] / 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         /*
35          * Fall back to the non-DT function to register a bus.
36          * This way, we don't have to keep compat bits around in drivers.
37          */
38
39         return mdiobus_register(mdio);
40 }
41
42 static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
43 {
44         return NULL;
45 }
46
47 static inline struct phy_device *of_phy_connect(struct net_device *dev,
48                                                 struct device_node *phy_np,
49                                                 void (*hndlr)(struct net_device *),
50                                                 u32 flags, phy_interface_t iface)
51 {
52         return NULL;
53 }
54
55 static inline struct phy_device *of_phy_attach(struct net_device *dev,
56                                                struct device_node *phy_np,
57                                                u32 flags, phy_interface_t iface)
58 {
59         return NULL;
60 }
61
62 static inline struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
63                                                            void (*hndlr)(struct net_device *),
64                                                            phy_interface_t iface)
65 {
66         return NULL;
67 }
68
69 static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
70 {
71         return NULL;
72 }
73 #endif /* CONFIG_OF */
74
75 #endif /* __LINUX_OF_MDIO_H */