projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 8bc487d1 GL |
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 | ||
| f9dc9ac5 | 15 | #ifdef CONFIG_OF |
| 8bc487d1 GL |
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); | |
| 7614aba6 AF |
22 | struct phy_device *of_phy_attach(struct net_device *dev, |
| 23 | struct device_node *phy_np, u32 flags, | |
| 24 | phy_interface_t iface); | |
| 8bc487d1 | 25 | |
| 25106022 DD |
26 | extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np); |
| 27 | ||
| 86f6cf41 DM |
28 | extern void of_mdiobus_link_phydev(struct mii_bus *mdio, |
| 29 | struct phy_device *phydev); | |
| 30 | ||
| f9dc9ac5 | 31 | #else /* CONFIG_OF */ |
| 2a5cf801 | 32 | static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) |
| f9dc9ac5 | 33 | { |
| 23a456f0 DM |
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); | |
| f9dc9ac5 SK |
40 | } |
| 41 | ||
| 2a5cf801 | 42 | static inline struct phy_device *of_phy_find_device(struct device_node *phy_np) |
| f9dc9ac5 SK |
43 | { |
| 44 | return NULL; | |
| 45 | } | |
| 46 | ||
| 2a5cf801 MB |
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) | |
| f9dc9ac5 SK |
51 | { |
| 52 | return NULL; | |
| 53 | } | |
| 54 | ||
| 7614aba6 AF |
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 | ||
| 2a5cf801 | 62 | static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np) |
| f9dc9ac5 SK |
63 | { |
| 64 | return NULL; | |
| 65 | } | |
| 86f6cf41 DM |
66 | |
| 67 | static inline void of_mdiobus_link_phydev(struct mii_bus *mdio, | |
| 68 | struct phy_device *phydev) | |
| 69 | { | |
| 70 | } | |
| f9dc9ac5 SK |
71 | #endif /* CONFIG_OF */ |
| 72 | ||
| 3be2a49e TP |
73 | #if defined(CONFIG_OF) && defined(CONFIG_FIXED_PHY) |
| 74 | extern int of_phy_register_fixed_link(struct device_node *np); | |
| 75 | extern bool of_phy_is_fixed_link(struct device_node *np); | |
| 76 | #else | |
| 77 | static inline int of_phy_register_fixed_link(struct device_node *np) | |
| 78 | { | |
| 79 | return -ENOSYS; | |
| 80 | } | |
| 81 | static inline bool of_phy_is_fixed_link(struct device_node *np) | |
| 82 | { | |
| 83 | return false; | |
| 84 | } | |
| 85 | #endif | |
| 86 | ||
| 87 | ||
| 8bc487d1 | 88 | #endif /* __LINUX_OF_MDIO_H */ |