98 lines
2.6 KiB
C
98 lines
2.6 KiB
C
|
/*
|
||
|
|
* OF helpers for the MDIO (Ethernet PHY) API
|
||
|
|
*
|
||
|
|
* Copyright (c) 2009 Secret Lab Technologies, Ltd.
|
||
|
|
*
|
||
|
|
* This file is released under the GPLv2
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __LINUX_OF_MDIO_H
|
||
|
|
#define __LINUX_OF_MDIO_H
|
||
|
|
|
||
|
|
#include <linux/phy.h>
|
||
|
|
#include <linux/of.h>
|
||
|
|
|
||
|
|
#ifdef CONFIG_OF
|
||
|
|
extern int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np);
|
||
|
|
extern struct phy_device *of_phy_find_device(struct device_node *phy_np);
|
||
|
|
extern struct phy_device *of_phy_connect(struct net_device *dev,
|
||
|
|
struct device_node *phy_np,
|
||
|
|
void (*hndlr)(struct net_device *),
|
||
|
|
u32 flags, phy_interface_t iface);
|
||
|
|
extern struct phy_device *
|
||
|
|
of_phy_get_and_connect(struct net_device *dev, struct device_node *np,
|
||
|
|
void (*hndlr)(struct net_device *));
|
||
|
|
struct phy_device *of_phy_attach(struct net_device *dev,
|
||
|
|
struct device_node *phy_np, u32 flags,
|
||
|
|
phy_interface_t iface);
|
||
|
|
|
||
|
|
extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
|
||
|
|
extern int of_mdio_parse_addr(struct device *dev, const struct device_node *np);
|
||
|
|
extern int of_phy_register_fixed_link(struct device_node *np);
|
||
|
|
extern void of_phy_deregister_fixed_link(struct device_node *np);
|
||
|
|
extern bool of_phy_is_fixed_link(struct device_node *np);
|
||
|
|
|
||
|
|
#else /* CONFIG_OF */
|
||
|
|
static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
* Fall back to the non-DT function to register a bus.
|
||
|
|
* This way, we don't have to keep compat bits around in drivers.
|
||
|
|
*/
|
||
|
|
|
||
|
|
return mdiobus_register(mdio);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
|
||
|
|
{
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline struct phy_device *of_phy_connect(struct net_device *dev,
|
||
|
|
struct device_node *phy_np,
|
||
|
|
void (*hndlr)(struct net_device *),
|
||
|
|
u32 flags, phy_interface_t iface)
|
||
|
|
{
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline struct phy_device *
|
||
|
|
of_phy_get_and_connect(struct net_device *dev, struct device_node *np,
|
||
|
|
void (*hndlr)(struct net_device *))
|
||
|
|
{
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline struct phy_device *of_phy_attach(struct net_device *dev,
|
||
|
|
struct device_node *phy_np,
|
||
|
|
u32 flags, phy_interface_t iface)
|
||
|
|
{
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
|
||
|
|
{
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int of_mdio_parse_addr(struct device *dev,
|
||
|
|
const struct device_node *np)
|
||
|
|
{
|
||
|
|
return -ENOSYS;
|
||
|
|
}
|
||
|
|
static inline int of_phy_register_fixed_link(struct device_node *np)
|
||
|
|
{
|
||
|
|
return -ENOSYS;
|
||
|
|
}
|
||
|
|
static inline void of_phy_deregister_fixed_link(struct device_node *np)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
static inline bool of_phy_is_fixed_link(struct device_node *np)
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* __LINUX_OF_MDIO_H */
|