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gerrit-public.fairphone.software / kernel / msm-4.9 / bccf11404690235491515c2a19ef945604e71ec0 / . / include / linux / of_mdio.h
blob: a70c9493d55a4c01976b093b965cc91b270aaf92 [file] [log] [blame]
Grant Likely8bc487d2009-04-25 12:52:56 +0000[diff] [blame]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
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]15#ifdef CONFIG_OF
Grant Likely8bc487d2009-04-25 12:52:56 +0000[diff] [blame]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);
Andy Fleming7614aba2014-01-10 14:28:11 +0800[diff] [blame]22struct phy_device *of_phy_attach(struct net_device *dev,
23 struct device_node *phy_np, u32 flags,
24 phy_interface_t iface);
Grant Likely8bc487d2009-04-25 12:52:56 +0000[diff] [blame]25
David Daney25106022012-05-02 15:16:37 +0000[diff] [blame]26extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
27
Daniel Mack86f6cf42014-05-24 09:34:26 +0200[diff] [blame]28extern void of_mdiobus_link_phydev(struct mii_bus *mdio,
29 struct phy_device *phydev);
30
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]31#else /* CONFIG_OF */
Mark Brown2a5cf802012-10-09 18:33:38 +0000[diff] [blame]32static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]33{
Daniel Mack23a456f2014-05-06 18:52:16 +0200[diff] [blame]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);
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]40}
41
Mark Brown2a5cf802012-10-09 18:33:38 +0000[diff] [blame]42static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]43{
44 return NULL;
45}
46
Mark Brown2a5cf802012-10-09 18:33:38 +0000[diff] [blame]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)
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]51{
52 return NULL;
53}
54
Andy Fleming7614aba2014-01-10 14:28:11 +0800[diff] [blame]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
Mark Brown2a5cf802012-10-09 18:33:38 +0000[diff] [blame]62static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]63{
64 return NULL;
65}
Daniel Mack86f6cf42014-05-24 09:34:26 +0200[diff] [blame]66
67static inline void of_mdiobus_link_phydev(struct mii_bus *mdio,
68 struct phy_device *phydev)
69{
70}
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]71#endif /* CONFIG_OF */
72
Thomas Petazzoni3be2a492014-05-16 16:14:05 +0200[diff] [blame]73#if defined(CONFIG_OF) && defined(CONFIG_FIXED_PHY)
74extern int of_phy_register_fixed_link(struct device_node *np);
75extern bool of_phy_is_fixed_link(struct device_node *np);
76#else
77static inline int of_phy_register_fixed_link(struct device_node *np)
78{
79 return -ENOSYS;
80}
81static inline bool of_phy_is_fixed_link(struct device_node *np)
82{
83 return false;
84}
85#endif
86
87
Grant Likely8bc487d2009-04-25 12:52:56 +0000[diff] [blame]88#endif /* __LINUX_OF_MDIO_H */