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gerrit-public.fairphone.software / kernel / msm-4.9 / 410761de166e15b6d4cbf8c101bf399160569641 / . / include / linux / of_mdio.h
blob: a58cca8bcb29d8c9bdcda71538cfa8f25c913916 [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);
Dongpo Lib7862412016-07-15 16:26:34 +0800[diff] [blame]22extern struct phy_device *
23of_phy_get_and_connect(struct net_device *dev, struct device_node *np,
24 void (*hndlr)(struct net_device *));
Andy Fleming7614aba2014-01-10 14:28:11 +0800[diff] [blame]25struct phy_device *of_phy_attach(struct net_device *dev,
26 struct device_node *phy_np, u32 flags,
27 phy_interface_t iface);
Grant Likely8bc487d2009-04-25 12:52:56 +0000[diff] [blame]28
David Daney25106022012-05-02 15:16:37 +0000[diff] [blame]29extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
Florian Fainelli33d67372015-03-10 16:57:11 -0700[diff] [blame]30extern int of_mdio_parse_addr(struct device *dev, const struct device_node *np);
Arnd Bergmanna5e4bd92016-06-24 11:24:08 +0200[diff] [blame]31extern int of_phy_register_fixed_link(struct device_node *np);
Johan Hovold3f650472016-11-28 19:24:55 +0100[diff] [blame]32extern void of_phy_deregister_fixed_link(struct device_node *np);
Arnd Bergmanna5e4bd92016-06-24 11:24:08 +0200[diff] [blame]33extern bool of_phy_is_fixed_link(struct device_node *np);
David Daney25106022012-05-02 15:16:37 +0000[diff] [blame]34
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]35#else /* CONFIG_OF */
Mark Brown2a5cf802012-10-09 18:33:38 +0000[diff] [blame]36static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]37{
Daniel Mack23a456f2014-05-06 18:52:16 +0200[diff] [blame]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);
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]44}
45
Mark Brown2a5cf802012-10-09 18:33:38 +0000[diff] [blame]46static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]47{
48 return NULL;
49}
50
Mark Brown2a5cf802012-10-09 18:33:38 +0000[diff] [blame]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)
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]55{
56 return NULL;
57}
58
Dongpo Lib7862412016-07-15 16:26:34 +0800[diff] [blame]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
Andy Fleming7614aba2014-01-10 14:28:11 +0800[diff] [blame]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
Mark Brown2a5cf802012-10-09 18:33:38 +0000[diff] [blame]73static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]74{
75 return NULL;
76}
Florian Fainelli33d67372015-03-10 16:57:11 -0700[diff] [blame]77
78static inline int of_mdio_parse_addr(struct device *dev,
79 const struct device_node *np)
80{
81 return -ENOSYS;
82}
Thomas Petazzoni3be2a492014-05-16 16:14:05 +0200[diff] [blame]83static inline int of_phy_register_fixed_link(struct device_node *np)
84{
85 return -ENOSYS;
86}
Johan Hovold3f650472016-11-28 19:24:55 +0100[diff] [blame]87static inline void of_phy_deregister_fixed_link(struct device_node *np)
88{
89}
Thomas Petazzoni3be2a492014-05-16 16:14:05 +0200[diff] [blame]90static inline bool of_phy_is_fixed_link(struct device_node *np)
91{
92 return false;
93}
94#endif
95
96
Grant Likely8bc487d2009-04-25 12:52:56 +0000[diff] [blame]97#endif /* __LINUX_OF_MDIO_H */