Commit | Line | Data |
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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 | 26 | extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np); |
33d67377 | 27 | extern int of_mdio_parse_addr(struct device *dev, const struct device_node *np); |
25106022 | 28 | |
f9dc9ac5 | 29 | #else /* CONFIG_OF */ |
2a5cf801 | 30 | static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) |
f9dc9ac5 | 31 | { |
23a456f0 DM |
32 | /* |
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. | |
35 | */ | |
36 | ||
37 | return mdiobus_register(mdio); | |
f9dc9ac5 SK |
38 | } |
39 | ||
2a5cf801 | 40 | static inline struct phy_device *of_phy_find_device(struct device_node *phy_np) |
f9dc9ac5 SK |
41 | { |
42 | return NULL; | |
43 | } | |
44 | ||
2a5cf801 MB |
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) | |
f9dc9ac5 SK |
49 | { |
50 | return NULL; | |
51 | } | |
52 | ||
7614aba6 AF |
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) | |
56 | { | |
57 | return NULL; | |
58 | } | |
59 | ||
2a5cf801 | 60 | static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np) |
f9dc9ac5 SK |
61 | { |
62 | return NULL; | |
63 | } | |
33d67377 FF |
64 | |
65 | static inline int of_mdio_parse_addr(struct device *dev, | |
66 | const struct device_node *np) | |
67 | { | |
68 | return -ENOSYS; | |
69 | } | |
f9dc9ac5 SK |
70 | #endif /* CONFIG_OF */ |
71 | ||
3be2a49e TP |
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); | |
75 | #else | |
76 | static inline int of_phy_register_fixed_link(struct device_node *np) | |
77 | { | |
78 | return -ENOSYS; | |
79 | } | |
80 | static inline bool of_phy_is_fixed_link(struct device_node *np) | |
81 | { | |
82 | return false; | |
83 | } | |
84 | #endif | |
85 | ||
86 | ||
8bc487d1 | 87 | #endif /* __LINUX_OF_MDIO_H */ |