net/phy: Add VSC8574 support

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=c2efef747d90c412d65752b3698bf8a9e98ddb8a
Commit:     c2efef747d90c412d65752b3698bf8a9e98ddb8a
Parent:     0508019cca6c425a9db79b2b3aa37afba0a5542b
Author:     shaohui xie <Shaohui.Xie at freescale.com>
AuthorDate: Wed Nov 20 16:38:17 2013 -0600
Committer:  David S. Miller <davem at davemloft.net>
CommitDate: Wed Nov 20 22:09:01 2013 -0500

    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 at freescale.com>
    Signed-off-by: Andy Fleming <afleming at gmail.com>
    Signed-off-by: Shruti Kanetkar <Shruti at freescale.com>
    Signed-off-by: David S. Miller <davem at davemloft.net>
---
 drivers/net/phy/vitesse.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c
index 59e3b58..31b3148 100644
--- 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 },
 	{ }