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Grant Likely8bc487d2009-04-25 12:52:56 +00001/*
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
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +000015#ifdef CONFIG_OF
Grant Likely8bc487d2009-04-25 12:52:56 +000016extern 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);
Andy Fleming7614aba2014-01-10 14:28:11 +080022struct phy_device *of_phy_attach(struct net_device *dev,
23 struct device_node *phy_np, u32 flags,
24 phy_interface_t iface);
Anton Vorontsov24c30db2009-07-16 21:31:31 +000025extern struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
26 void (*hndlr)(struct net_device *),
27 phy_interface_t iface);
Grant Likely8bc487d2009-04-25 12:52:56 +000028
David Daney25106022012-05-02 15:16:37 +000029extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
30
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +000031#else /* CONFIG_OF */
Mark Brown2a5cf802012-10-09 18:33:38 +000032static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +000033{
Daniel Mack23a456f2014-05-06 18:52:16 +020034 /*
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);
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +000040}
41
Mark Brown2a5cf802012-10-09 18:33:38 +000042static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +000043{
44 return NULL;
45}
46
Mark Brown2a5cf802012-10-09 18:33:38 +000047static 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)
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +000051{
52 return NULL;
53}
54
Andy Fleming7614aba2014-01-10 14:28:11 +080055static 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
Mark Brown2a5cf802012-10-09 18:33:38 +000062static inline struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
63 void (*hndlr)(struct net_device *),
64 phy_interface_t iface)
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +000065{
66 return NULL;
67}
68
Mark Brown2a5cf802012-10-09 18:33:38 +000069static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +000070{
71 return NULL;
72}
73#endif /* CONFIG_OF */
74
Grant Likely8bc487d2009-04-25 12:52:56 +000075#endif /* __LINUX_OF_MDIO_H */