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 extern struct phy_device *of_phy_connect_fixed_link(struct net_device *dev, 23 void (*hndlr)(struct net_device *), 24 phy_interface_t iface); 25 26 extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np); 27 28 #else /* CONFIG_OF */ 29 static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) 30 { 31 return -ENOSYS; 32 } 33 34 static inline struct phy_device *of_phy_find_device(struct device_node *phy_np) 35 { 36 return NULL; 37 } 38 39 static inline struct phy_device *of_phy_connect(struct net_device *dev, 40 struct device_node *phy_np, 41 void (*hndlr)(struct net_device *), 42 u32 flags, phy_interface_t iface) 43 { 44 return NULL; 45 } 46 47 static inline struct phy_device *of_phy_connect_fixed_link(struct net_device *dev, 48 void (*hndlr)(struct net_device *), 49 phy_interface_t iface) 50 { 51 return NULL; 52 } 53 54 static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np) 55 { 56 return NULL; 57 } 58 #endif /* CONFIG_OF */ 59 60 #endif /* __LINUX_OF_MDIO_H */ 61