diff options
| author | Andrew Lunn <andrew@lunn.ch> | 2016-01-06 20:11:26 +0100 |
|---|---|---|
| committer | Anthony Mah <amah@codeaurora.org> | 2018-09-10 11:42:06 -0700 |
| commit | b40bf2be3cc9eeccb763b06b409782441a1cbb27 (patch) | |
| tree | bbe8a2c49cd8b3a3d6e944c19472834854752874 /include/linux | |
| parent | 3e17d59abf397e8457aeac489fe2c28966cf95fe (diff) | |
mdio: Add support for mdio drivers.
Not all devices on an MDIO bus are PHYs. Meaning not all MDIO drivers
are PHY drivers. Add support for generic MDIO drivers.
Change-Id: I65c7c8a497bbac9ef67b3d21c869818a09378e3c
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>
Git-Commit: a9049e0c513c4521dbfaa302af8ed08b3366b41f
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Anthony Mah <amah@codeaurora.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mdio.h | 47 | ||||
| -rw-r--r-- | include/linux/phy.h | 3 |
2 files changed, 50 insertions, 0 deletions
diff --git a/include/linux/mdio.h b/include/linux/mdio.h index b42963bc81dd..a0d6dadd787e 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -11,6 +11,53 @@ #include <uapi/linux/mdio.h> +struct mdio_device { + struct device dev; + + const struct dev_pm_ops *pm_ops; + struct mii_bus *bus; + + int (*bus_match)(struct device *dev, struct device_driver *drv); + void (*device_free)(struct mdio_device *mdiodev); + void (*device_remove)(struct mdio_device *mdiodev); + + /* Bus address of the MDIO device (0-31) */ + int addr; + int flags; +}; +#define to_mdio_device(d) container_of(d, struct mdio_device, dev) + +/* struct mdio_driver_common: Common to all MDIO drivers */ +struct mdio_driver_common { + struct device_driver driver; + int flags; +}; +#define MDIO_DEVICE_FLAG_PHY 1 +#define to_mdio_common_driver(d) \ + container_of(d, struct mdio_driver_common, driver) + +/* struct mdio_driver: Generic MDIO driver */ +struct mdio_driver { + struct mdio_driver_common mdiodrv; + + /* + * Called during discovery. Used to set + * up device-specific structures, if any + */ + int (*probe)(struct mdio_device *mdiodev); + + /* Clears up any memory if needed */ + void (*remove)(struct mdio_device *mdiodev); +}; +#define to_mdio_driver(d) \ + container_of(to_mdio_common_driver(d), struct mdio_driver, mdiodrv) + +void mdio_device_free(struct mdio_device *mdiodev); +struct mdio_device *mdio_device_create(struct mii_bus *bus, int addr); +int mdio_device_register(struct mdio_device *mdiodev); +void mdio_device_remove(struct mdio_device *mdiodev); +int mdio_driver_register(struct mdio_driver *drv); +void mdio_driver_unregister(struct mdio_driver *drv); static inline bool mdio_phy_id_is_c45(int phy_id) { diff --git a/include/linux/phy.h b/include/linux/phy.h index dbfd5ce9350f..c175610c8fdb 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -18,6 +18,7 @@ #include <linux/spinlock.h> #include <linux/ethtool.h> +#include <linux/mdio.h> #include <linux/mii.h> #include <linux/module.h> #include <linux/timer.h> @@ -357,6 +358,8 @@ struct phy_c45_device_ids { * handling, as well as handling shifts in PHY hardware state */ struct phy_device { + struct mdio_device mdio; + /* Information about the PHY type */ /* And management functions */ struct phy_driver *drv; |