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 */ 71