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