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a5597008db
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>
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
#ifndef __PHY_FIXED_H
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#define __PHY_FIXED_H
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struct fixed_phy_status {
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int link;
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int speed;
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int duplex;
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int pause;
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int asym_pause;
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};
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struct device_node;
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#if IS_ENABLED(CONFIG_FIXED_PHY)
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extern int fixed_phy_add(unsigned int irq, int phy_id,
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struct fixed_phy_status *status,
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int link_gpio);
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extern struct phy_device *fixed_phy_register(unsigned int irq,
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struct fixed_phy_status *status,
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int link_gpio,
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struct device_node *np);
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extern void fixed_phy_del(int phy_addr);
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extern int fixed_phy_set_link_update(struct phy_device *phydev,
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int (*link_update)(struct net_device *,
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struct fixed_phy_status *));
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extern int fixed_phy_update_state(struct phy_device *phydev,
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const struct fixed_phy_status *status,
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const struct fixed_phy_status *changed);
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#else
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static inline int fixed_phy_add(unsigned int irq, int phy_id,
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struct fixed_phy_status *status,
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int link_gpio)
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{
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return -ENODEV;
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}
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static inline struct phy_device *fixed_phy_register(unsigned int irq,
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struct fixed_phy_status *status,
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int gpio_link,
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struct device_node *np)
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{
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return ERR_PTR(-ENODEV);
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}
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static inline int fixed_phy_del(int phy_addr)
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{
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return -ENODEV;
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}
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static inline int fixed_phy_set_link_update(struct phy_device *phydev,
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int (*link_update)(struct net_device *,
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struct fixed_phy_status *))
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{
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return -ENODEV;
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}
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static inline int fixed_phy_update_state(struct phy_device *phydev,
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const struct fixed_phy_status *status,
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const struct fixed_phy_status *changed)
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{
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return -ENODEV;
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}
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#endif /* CONFIG_FIXED_PHY */
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#endif /* __PHY_FIXED_H */
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