[deliverable/linux.git] / include / linux / of_mdio.h

/*
 * 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);
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);

#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_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;
}
#endif /* CONFIG_OF */

#if defined(CONFIG_OF) && defined(CONFIG_FIXED_PHY)
extern int of_phy_register_fixed_link(struct device_node *np);
extern bool of_phy_is_fixed_link(struct device_node *np);
#else
static inline int of_phy_register_fixed_link(struct device_node *np)
{
	return -ENOSYS;
}
static inline bool of_phy_is_fixed_link(struct device_node *np)
{
	return false;
}
#endif


#endif /* __LINUX_OF_MDIO_H */
Commit	Line	Data
	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
	16	extern int of_mdiobus_register(struct mii_bus mdio, struct device_node np);
	17	extern struct phy_device of_phy_find_device(struct device_node phy_np);
	18	extern 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);
	22	struct phy_device of_phy_attach(struct net_device dev,
	23	struct device_node *phy_np, u32 flags,
	24	phy_interface_t iface);
	25
	26	extern struct mii_bus of_mdio_find_bus(struct device_node mdio_np);
	27	extern int of_mdio_parse_addr(struct device dev, const struct device_node np);
	28
	29	#else /* CONFIG_OF */
	30	static inline int of_mdiobus_register(struct mii_bus mdio, struct device_node np)
	31	{
	32	/*
	33	* Fall back to the non-DT function to register a bus.
	34	* This way, we don't have to keep compat bits around in drivers.
	35	*/
	36
	37	return mdiobus_register(mdio);
	38	}
	39
	40	static inline struct phy_device of_phy_find_device(struct device_node phy_np)
	41	{
	42	return NULL;
	43	}
	44
	45	static inline struct phy_device of_phy_connect(struct net_device dev,
	46	struct device_node *phy_np,
	47	void (hndlr)(struct net_device ),
	48	u32 flags, phy_interface_t iface)
	49	{
	50	return NULL;
	51	}
	52
	53	static inline struct phy_device of_phy_attach(struct net_device dev,
	54	struct device_node *phy_np,
	55	u32 flags, phy_interface_t iface)
	56	{
	57	return NULL;
	58	}
	59
	60	static inline struct mii_bus of_mdio_find_bus(struct device_node mdio_np)
	61	{
	62	return NULL;
	63	}
	64
	65	static inline int of_mdio_parse_addr(struct device *dev,
	66	const struct device_node *np)
	67	{
	68	return -ENOSYS;
	69	}
	70	#endif /* CONFIG_OF */
	71
	72	#if defined(CONFIG_OF) && defined(CONFIG_FIXED_PHY)
	73	extern int of_phy_register_fixed_link(struct device_node *np);
	74	extern bool of_phy_is_fixed_link(struct device_node *np);
	75	#else
	76	static inline int of_phy_register_fixed_link(struct device_node *np)
	77	{
	78	return -ENOSYS;
	79	}
	80	static inline bool of_phy_is_fixed_link(struct device_node *np)
	81	{
	82	return false;
	83	}
	84	#endif
	85
	86
	87	#endif /* __LINUX_OF_MDIO_H */