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linux-next/include/linux/phy_fixed.h
Andrew Lunn a5597008db phy: fixed_phy: Add gpio to determine link up/down.
An SFP module may have a link up/down status pin which can be
connection to a GPIO line of the host. Add support for reading such an
GPIO in the fixed_phy driver.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-31 14:48:02 -07:00

62 lines
1.6 KiB
C

#ifndef __PHY_FIXED_H
#define __PHY_FIXED_H
struct fixed_phy_status {
int link;
int speed;
int duplex;
int pause;
int asym_pause;
};
struct device_node;
#if IS_ENABLED(CONFIG_FIXED_PHY)
extern int fixed_phy_add(unsigned int irq, int phy_id,
struct fixed_phy_status *status,
int link_gpio);
extern struct phy_device *fixed_phy_register(unsigned int irq,
struct fixed_phy_status *status,
int link_gpio,
struct device_node *np);
extern void fixed_phy_del(int phy_addr);
extern int fixed_phy_set_link_update(struct phy_device *phydev,
int (*link_update)(struct net_device *,
struct fixed_phy_status *));
extern int fixed_phy_update_state(struct phy_device *phydev,
const struct fixed_phy_status *status,
const struct fixed_phy_status *changed);
#else
static inline int fixed_phy_add(unsigned int irq, int phy_id,
struct fixed_phy_status *status,
int link_gpio)
{
return -ENODEV;
}
static inline struct phy_device *fixed_phy_register(unsigned int irq,
struct fixed_phy_status *status,
int gpio_link,
struct device_node *np)
{
return ERR_PTR(-ENODEV);
}
static inline int fixed_phy_del(int phy_addr)
{
return -ENODEV;
}
static inline int fixed_phy_set_link_update(struct phy_device *phydev,
int (*link_update)(struct net_device *,
struct fixed_phy_status *))
{
return -ENODEV;
}
static inline int fixed_phy_update_state(struct phy_device *phydev,
const struct fixed_phy_status *status,
const struct fixed_phy_status *changed)
{
return -ENODEV;
}
#endif /* CONFIG_FIXED_PHY */
#endif /* __PHY_FIXED_H */