PHY: micrel.c: add support for KSZ9031

Add support for Micrel PHY KSZ9031 in phylib,
including small rework for KSZ9021 to avoid
code duplication

Signed-off-by: David Andrey <david.andrey@netmodule.com>
Cc: Troy Kisky <troy.kisky@boundarydevices.com>
Cc: Joe Herschberger <joe.hershberger@gmail.com>
Cc: Andy Fleming <afleming@freescale.com>
Acked-by: Stefan Roese <sr@denx.de>

diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 30f3264897479c35f49cc53c3600b7f5ca46665b..2a8b6cb9479c716dd61ff8046dd38c27729fb77d 100644 (file)
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -18,6 +18,7 @@
  *
  * Copyright 2010-2011 Freescale Semiconductor, Inc.
  * author Andy Fleming
+ * (C) 2012 NetModule AG, David Andrey, added KSZ9031
  *
  */
 #include <config.h>
@@ -52,16 +53,46 @@ static struct phy_driver KS8721_driver = {
 };
 #endif
 
+
+/**
+ * KSZ9021 - KSZ9031 common
+ */
+
+#define MII_KSZ90xx_PHY_CTL            0x1f
+#define MIIM_KSZ90xx_PHYCTL_1000       (1 << 6)
+#define MIIM_KSZ90xx_PHYCTL_100                (1 << 5)
+#define MIIM_KSZ90xx_PHYCTL_10         (1 << 4)
+#define MIIM_KSZ90xx_PHYCTL_DUPLEX     (1 << 3)
+
+static int ksz90xx_startup(struct phy_device *phydev)
+{
+       unsigned phy_ctl;
+       genphy_update_link(phydev);
+       phy_ctl = phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZ90xx_PHY_CTL);
+
+       if (phy_ctl & MIIM_KSZ90xx_PHYCTL_DUPLEX)
+               phydev->duplex = DUPLEX_FULL;
+       else
+               phydev->duplex = DUPLEX_HALF;
+
+       if (phy_ctl & MIIM_KSZ90xx_PHYCTL_1000)
+               phydev->speed = SPEED_1000;
+       else if (phy_ctl & MIIM_KSZ90xx_PHYCTL_100)
+               phydev->speed = SPEED_100;
+       else if (phy_ctl & MIIM_KSZ90xx_PHYCTL_10)
+               phydev->speed = SPEED_10;
+       return 0;
+}
 #ifdef CONFIG_PHY_MICREL_KSZ9021
-/* ksz9021 PHY Registers */
+
+/*
+ * KSZ9021
+ */
+
+/* PHY Registers */
 #define MII_KSZ9021_EXTENDED_CTRL      0x0b
 #define MII_KSZ9021_EXTENDED_DATAW     0x0c
 #define MII_KSZ9021_EXTENDED_DATAR     0x0d
-#define MII_KSZ9021_PHY_CTL            0x1f
-#define MIIM_KSZ9021_PHYCTL_1000       (1 << 6)
-#define MIIM_KSZ9021_PHYCTL_100                (1 << 5)
-#define MIIM_KSZ9021_PHYCTL_10         (1 << 4)
-#define MIIM_KSZ9021_PHYCTL_DUPLEX     (1 << 3)
 
 #define CTRL1000_PREFER_MASTER         (1 << 10)
 #define CTRL1000_CONFIG_MASTER         (1 << 11)
@@ -106,37 +137,30 @@ static int ksz9021_config(struct phy_device *phydev)
        return 0;
 }
 
-static int ksz9021_startup(struct phy_device *phydev)
-{
-       unsigned phy_ctl;
-       genphy_update_link(phydev);
-       phy_ctl = phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZ9021_PHY_CTL);
-
-       if (phy_ctl & MIIM_KSZ9021_PHYCTL_DUPLEX)
-               phydev->duplex = DUPLEX_FULL;
-       else
-               phydev->duplex = DUPLEX_HALF;
-
-       if (phy_ctl & MIIM_KSZ9021_PHYCTL_1000)
-               phydev->speed = SPEED_1000;
-       else if (phy_ctl & MIIM_KSZ9021_PHYCTL_100)
-               phydev->speed = SPEED_100;
-       else if (phy_ctl & MIIM_KSZ9021_PHYCTL_10)
-               phydev->speed = SPEED_10;
-       return 0;
-}
-
 static struct phy_driver ksz9021_driver = {
        .name = "Micrel ksz9021",
        .uid  = 0x221610,
        .mask = 0xfffff0,
        .features = PHY_GBIT_FEATURES,
        .config = &ksz9021_config,
-       .startup = &ksz9021_startup,
+       .startup = &ksz90xx_startup,
        .shutdown = &genphy_shutdown,
 };
 #endif
 
+/*
+ * KSZ9031
+ */
+static struct phy_driver ksz9031_driver = {
+       .name = "Micrel ksz9031",
+       .uid  = 0x221620,
+       .mask = 0xfffffe,
+       .features = PHY_GBIT_FEATURES,
+       .config   = &genphy_config,
+       .startup  = &ksz90xx_startup,
+       .shutdown = &genphy_shutdown,
+};
+
 int phy_micrel_init(void)
 {
        phy_register(&KSZ804_driver);
@@ -145,5 +169,6 @@ int phy_micrel_init(void)
 #else
        phy_register(&KS8721_driver);
 #endif
+       phy_register(&ksz9031_driver);
        return 0;
 }