net/phy: Add VSC8574 support

The VSC8574 is a quad-port Gigabit Ethernet transceiver with four SerDes
interfaces for quad-port dual media capability.

Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Andy Fleming <afleming@gmail.com>
Signed-off-by: Shruti Kanetkar <Shruti@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c
index 59e3b58..31b3148 100644 (file)
--- a/drivers/net/phy/vitesse.c
+++ b/drivers/net/phy/vitesse.c
@@ -56,6 +56,7 @@
 
 #define PHY_ID_VSC8234                 0x000fc620
 #define PHY_ID_VSC8244                 0x000fc6c0
+#define PHY_ID_VSC8574                 0x000704a0
 #define PHY_ID_VSC8221                 0x000fc550
 #define PHY_ID_VSC8211                 0x000fc4b0
 
@@ -120,7 +121,8 @@ static int vsc82xx_config_intr(struct phy_device *phydev)
        if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
                err = phy_write(phydev, MII_VSC8244_IMASK,
                        (phydev->drv->phy_id == PHY_ID_VSC8234 ||
-                        phydev->drv->phy_id == PHY_ID_VSC8244) ?
+                        phydev->drv->phy_id == PHY_ID_VSC8244 ||
+                        phydev->drv->phy_id == PHY_ID_VSC8574) ?
                                MII_VSC8244_IMASK_MASK :
                                MII_VSC8221_IMASK_MASK);
        else {
@@ -178,6 +180,18 @@ static struct phy_driver vsc82xx_driver[] = {
        .config_intr    = &vsc82xx_config_intr,
        .driver         = { .owner = THIS_MODULE,},
 }, {
+       .phy_id         = PHY_ID_VSC8574,
+       .name           = "Vitesse VSC8574",
+       .phy_id_mask    = 0x000ffff0,
+       .features       = PHY_GBIT_FEATURES,
+       .flags          = PHY_HAS_INTERRUPT,
+       .config_init    = &vsc824x_config_init,
+       .config_aneg    = &genphy_config_aneg,
+       .read_status    = &genphy_read_status,
+       .ack_interrupt  = &vsc824x_ack_interrupt,
+       .config_intr    = &vsc82xx_config_intr,
+       .driver         = { .owner = THIS_MODULE,},
+}, {
        /* Vitesse 8221 */
        .phy_id         = PHY_ID_VSC8221,
        .phy_id_mask    = 0x000ffff0,
@@ -223,6 +237,7 @@ module_exit(vsc82xx_exit);
 static struct mdio_device_id __maybe_unused vitesse_tbl[] = {
        { PHY_ID_VSC8234, 0x000ffff0 },
        { PHY_ID_VSC8244, 0x000fffc0 },
+       { PHY_ID_VSC8574, 0x000ffff0 },
        { PHY_ID_VSC8221, 0x000ffff0 },
        { PHY_ID_VSC8211, 0x000ffff0 },
        { }