phylib: Basic support for the M88E1121R Marvell chip

Add support for the Marvell M88E1121R Dual GigE PHY

Signed-off-by: Yuri Tikhonov <yur@emcraft.com>
Signed-off-by: Sergei Poselenov <sposelenov@emcraft.com>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 41 insertions, 0 deletions

diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index eb6411c4694f..e9f436ba800f 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -69,6 +69,11 @@
 #define MII_M1111_COPPER                0
 #define MII_M1111_FIBER                 1
 
+#define MII_88E1121_PHY_LED_CTRL        16
+#define MII_88E1121_PHY_LED_PAGE        3
+#define MII_88E1121_PHY_LED_DEF         0x0030
+#define MII_88E1121_PHY_PAGE            22
+
 #define MII_M1011_PHY_STATUS            0x11
 #define MII_M1011_PHY_STATUS_1000       0x8000
 #define MII_M1011_PHY_STATUS_100        0x4000
@@ -154,6 +159,30 @@ static int marvell_config_aneg(struct phy_device *phydev)
         return err;
 }
 
+static int m88e1121_config_aneg(struct phy_device *phydev)
+{
+        int err, temp;
+
+        err = phy_write(phydev, MII_BMCR, BMCR_RESET);
+        if (err < 0)
+                return err;
+
+        err = phy_write(phydev, MII_M1011_PHY_SCR,
+                        MII_M1011_PHY_SCR_AUTO_CROSS);
+        if (err < 0)
+                return err;
+
+        temp = phy_read(phydev, MII_88E1121_PHY_PAGE);
+
+        phy_write(phydev, MII_88E1121_PHY_PAGE, MII_88E1121_PHY_LED_PAGE);
+        phy_write(phydev, MII_88E1121_PHY_LED_CTRL, MII_88E1121_PHY_LED_DEF);
+        phy_write(phydev, MII_88E1121_PHY_PAGE, temp);
+
+        err = genphy_config_aneg(phydev);
+
+        return err;
+}
+
 static int m88e1111_config_init(struct phy_device *phydev)
 {
         int err;
@@ -482,6 +511,18 @@ static struct phy_driver marvell_drivers[] = {
                 .driver = {.owner = THIS_MODULE,},
         },
         {
+                .phy_id = 0x01410cb0,
+                .phy_id_mask = 0xfffffff0,
+                .name = "Marvell 88E1121R",
+                .features = PHY_GBIT_FEATURES,
+                .flags = PHY_HAS_INTERRUPT,
+                .config_aneg = &m88e1121_config_aneg,
+                .read_status = &marvell_read_status,
+                .ack_interrupt = &marvell_ack_interrupt,
+                .config_intr = &marvell_config_intr,
+                .driver = { .owner = THIS_MODULE },
+        },
+        {
                 .phy_id = 0x01410cd0,
                 .phy_id_mask = 0xfffffff0,
                 .name = "Marvell 88E1145",