2 * OF helpers for the MDIO (Ethernet PHY) API
4 * Copyright (c) 2009 Secret Lab Technologies, Ltd.
6 * This file is released under the GPLv2
9 #ifndef __LINUX_OF_MDIO_H
10 #define __LINUX_OF_MDIO_H
12 #include <linux/phy.h>
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);
26 extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
27 extern int of_mdio_parse_addr(struct device *dev, const struct device_node *np);
30 static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
33 * Fall back to the non-DT function to register a bus.
34 * This way, we don't have to keep compat bits around in drivers.
37 return mdiobus_register(mdio);
40 static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
45 static 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)
53 static inline struct phy_device *of_phy_attach(struct net_device *dev,
54 struct device_node *phy_np,
55 u32 flags, phy_interface_t iface)
60 static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
65 static inline int of_mdio_parse_addr(struct device *dev,
66 const struct device_node *np)
70 #endif /* CONFIG_OF */
72 #if defined(CONFIG_OF) && defined(CONFIG_FIXED_PHY)
73 extern int of_phy_register_fixed_link(struct device_node *np);
74 extern bool of_phy_is_fixed_link(struct device_node *np);
76 static inline int of_phy_register_fixed_link(struct device_node *np)
80 static inline bool of_phy_is_fixed_link(struct device_node *np)
87 #endif /* __LINUX_OF_MDIO_H */