1 files changed, 63 insertions, 22 deletions

diff --git a/include/linux/phy.h b/include/linux/phy.h
index 5e43ae751412..02df20f085fe 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -39,7 +39,8 @@
                                  SUPPORTED_1000baseT_Half | \
                                  SUPPORTED_1000baseT_Full)
 
-/* Set phydev->irq to PHY_POLL if interrupts are not supported,
+/*
+ * Set phydev->irq to PHY_POLL if interrupts are not supported,
  * or not desired for this PHY.  Set to PHY_IGNORE_INTERRUPT if
  * the attached driver handles the interrupt
  */
@@ -63,8 +64,6 @@ typedef enum {
         PHY_INTERFACE_MODE_RTBI
 } phy_interface_t;
 
-#define MII_BUS_MAX 4
-
 
 #define PHY_INIT_TIMEOUT        100000
 #define PHY_STATE_TIME          1
@@ -74,20 +73,30 @@ typedef enum {
 #define PHY_MAX_ADDR    32
 
 /* Used when trying to connect to a specific phy (mii bus id:phy device id) */
-#define PHY_ID_FMT "%x:%02x"
+#define PHY_ID_FMT "%s:%02x"
+
+/*
+ * Need to be a little smaller than phydev->dev.bus_id to leave room
+ * for the ":%02x"
+ */
+#define MII_BUS_ID_SIZE (BUS_ID_SIZE - 3)
 
-/* The Bus class for PHYs.  Devices which provide access to
- * PHYs should register using this structure */
+/*
+ * The Bus class for PHYs.  Devices which provide access to
+ * PHYs should register using this structure
+ */
 struct mii_bus {
         const char *name;
-        int id;
+        char id[MII_BUS_ID_SIZE];
         void *priv;
         int (*read)(struct mii_bus *bus, int phy_id, int regnum);
         int (*write)(struct mii_bus *bus, int phy_id, int regnum, u16 val);
         int (*reset)(struct mii_bus *bus);
 
-        /* A lock to ensure that only one thing can read/write
-         * the MDIO bus at a time */
+        /*
+         * A lock to ensure that only one thing can read/write
+         * the MDIO bus at a time
+         */
         struct mutex mdio_lock;
 
         struct device *dev;
@@ -98,8 +107,10 @@ struct mii_bus {
         /* Phy addresses to be ignored when probing */
         u32 phy_mask;
 
-        /* Pointer to an array of interrupts, each PHY's
-         * interrupt at the index matching its address */
+        /*
+         * Pointer to an array of interrupts, each PHY's
+         * interrupt at the index matching its address
+         */
         int *irq;
 };
 
@@ -251,7 +262,8 @@ struct phy_device {
         /* Bus address of the PHY (0-32) */
         int addr;
 
-        /* forced speed & duplex (no autoneg)
+        /*
+         * forced speed & duplex (no autoneg)
          * partner speed & duplex & pause (autoneg)
          */
         int speed;
@@ -274,8 +286,10 @@ struct phy_device {
 
         int link_timeout;
 
-        /* Interrupt number for this PHY
-         * -1 means no interrupt */
+        /*
+         * Interrupt number for this PHY
+         * -1 means no interrupt
+         */
         int irq;
 
         /* private data pointer */
@@ -325,22 +339,28 @@ struct phy_driver {
         u32 features;
         u32 flags;
 
-        /* Called to initialize the PHY,
-         * including after a reset */
+        /*
+         * Called to initialize the PHY,
+         * including after a reset
+         */
         int (*config_init)(struct phy_device *phydev);
 
-        /* Called during discovery.  Used to set
-         * up device-specific structures, if any */
+        /*
+         * Called during discovery.  Used to set
+         * up device-specific structures, if any
+         */
         int (*probe)(struct phy_device *phydev);
 
         /* PHY Power Management */
         int (*suspend)(struct phy_device *phydev);
         int (*resume)(struct phy_device *phydev);
 
-        /* Configures the advertisement and resets
+        /*
+         * Configures the advertisement and resets
          * autonegotiation if phydev->autoneg is on,
          * forces the speed to the current settings in phydev
-         * if phydev->autoneg is off */
+         * if phydev->autoneg is off
+         */
         int (*config_aneg)(struct phy_device *phydev);
 
         /* Determines the negotiated speed and duplex */
@@ -359,14 +379,27 @@ struct phy_driver {
 };
 #define to_phy_driver(d) container_of(d, struct phy_driver, driver)
 
+#define PHY_ANY_ID "MATCH ANY PHY"
+#define PHY_ANY_UID 0xffffffff
+
+/* A Structure for boards to register fixups with the PHY Lib */
+struct phy_fixup {
+        struct list_head list;
+        char bus_id[BUS_ID_SIZE];
+        u32 phy_uid;
+        u32 phy_uid_mask;
+        int (*run)(struct phy_device *phydev);
+};
+
 int phy_read(struct phy_device *phydev, u16 regnum);
 int phy_write(struct phy_device *phydev, u16 regnum, u16 val);
+int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id);
 struct phy_device* get_phy_device(struct mii_bus *bus, int addr);
 int phy_clear_interrupt(struct phy_device *phydev);
 int phy_config_interrupt(struct phy_device *phydev, u32 interrupts);
 struct phy_device * phy_attach(struct net_device *dev,
-                const char *phy_id, u32 flags, phy_interface_t interface);
-struct phy_device * phy_connect(struct net_device *dev, const char *phy_id,
+                const char *bus_id, u32 flags, phy_interface_t interface);
+struct phy_device * phy_connect(struct net_device *dev, const char *bus_id,
                 void (*handler)(struct net_device *), u32 flags,
                 phy_interface_t interface);
 void phy_disconnect(struct phy_device *phydev);
@@ -406,5 +439,13 @@ void phy_print_status(struct phy_device *phydev);
 struct phy_device* phy_device_create(struct mii_bus *bus, int addr, int phy_id);
 void phy_device_free(struct phy_device *phydev);
 
+int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask,
+                int (*run)(struct phy_device *));
+int phy_register_fixup_for_id(const char *bus_id,
+                int (*run)(struct phy_device *));
+int phy_register_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask,
+                int (*run)(struct phy_device *));
+int phy_scan_fixups(struct phy_device *phydev);
+
 extern struct bus_type mdio_bus_type;
 #endif /* __PHY_H */