Linux kernel mirror (for testing)
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linux
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
16extern int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np);
17extern struct phy_device *of_phy_find_device(struct device_node *phy_np);
18extern 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);
22extern struct phy_device *
23of_phy_get_and_connect(struct net_device *dev, struct device_node *np,
24 void (*hndlr)(struct net_device *));
25struct phy_device *of_phy_attach(struct net_device *dev,
26 struct device_node *phy_np, u32 flags,
27 phy_interface_t iface);
28
29extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
30extern int of_mdio_parse_addr(struct device *dev, const struct device_node *np);
31extern int of_phy_register_fixed_link(struct device_node *np);
32extern void of_phy_deregister_fixed_link(struct device_node *np);
33extern bool of_phy_is_fixed_link(struct device_node *np);
34
35#else /* CONFIG_OF */
36static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
37{
38 /*
39 * Fall back to the non-DT function to register a bus.
40 * This way, we don't have to keep compat bits around in drivers.
41 */
42
43 return mdiobus_register(mdio);
44}
45
46static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
47{
48 return NULL;
49}
50
51static inline struct phy_device *of_phy_connect(struct net_device *dev,
52 struct device_node *phy_np,
53 void (*hndlr)(struct net_device *),
54 u32 flags, phy_interface_t iface)
55{
56 return NULL;
57}
58
59static inline struct phy_device *
60of_phy_get_and_connect(struct net_device *dev, struct device_node *np,
61 void (*hndlr)(struct net_device *))
62{
63 return NULL;
64}
65
66static inline struct phy_device *of_phy_attach(struct net_device *dev,
67 struct device_node *phy_np,
68 u32 flags, phy_interface_t iface)
69{
70 return NULL;
71}
72
73static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
74{
75 return NULL;
76}
77
78static inline int of_mdio_parse_addr(struct device *dev,
79 const struct device_node *np)
80{
81 return -ENOSYS;
82}
83static inline int of_phy_register_fixed_link(struct device_node *np)
84{
85 return -ENOSYS;
86}
87static inline void of_phy_deregister_fixed_link(struct device_node *np)
88{
89}
90static inline bool of_phy_is_fixed_link(struct device_node *np)
91{
92 return false;
93}
94#endif
95
96
97#endif /* __LINUX_OF_MDIO_H */