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);
22struct phy_device *of_phy_attach(struct net_device *dev,
23 struct device_node *phy_np, u32 flags,
24 phy_interface_t iface);
25extern struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
26 void (*hndlr)(struct net_device *),
27 phy_interface_t iface);
28
29extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
30
31#else /* CONFIG_OF */
32static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
33{
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);
40}
41
42static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
43{
44 return NULL;
45}
46
47static 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)
51{
52 return NULL;
53}
54
55static 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
62static inline struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
63 void (*hndlr)(struct net_device *),
64 phy_interface_t iface)
65{
66 return NULL;
67}
68
69static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
70{
71 return NULL;
72}
73#endif /* CONFIG_OF */
74
75#endif /* __LINUX_OF_MDIO_H */