[PATCH] fec_8xx: Add support for Intel PHY LX971

The following patch add support for the Intel LX971 PHY.

Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

diff --git a/drivers/net/fec_8xx/Kconfig b/drivers/net/fec_8xx/Kconfig
index de04d68673d9051339dc28d0d67358370faa6cb2..4560026ed419d776851273b2316e5244d57557f5 100644 (file)
--- a/drivers/net/fec_8xx/Kconfig
+++ b/drivers/net/fec_8xx/Kconfig
@@ -12,3 +12,9 @@ config FEC_8XX_DM9161_PHY
        bool "Support DM9161 PHY"
        depends on FEC_8XX
        default n
+
+config FEC_8XX_LXT971_PHY
+       bool "Support LXT971/LXT972 PHY"
+       depends on FEC_8XX
+       default n
+

diff --git a/drivers/net/fec_8xx/fec_mii.c b/drivers/net/fec_8xx/fec_mii.c
index 803eb095cf8e60a3c708ff91d6c6440e5df7a171..3b44ac1a7bfe7b66d1ce5383d4e760086fa8603c 100644 (file)
--- a/drivers/net/fec_8xx/fec_mii.c
+++ b/drivers/net/fec_8xx/fec_mii.c
@@ -203,6 +203,39 @@ static void dm9161_shutdown(struct net_device *dev)
 
 #endif
 
+#ifdef CONFIG_FEC_8XX_LXT971_PHY
+
+/* Support for LXT971/972 PHY */
+
+#define MII_LXT971_PCR         16 /* Port Control Register */
+#define MII_LXT971_SR2         17 /* Status Register 2 */
+#define MII_LXT971_IER         18 /* Interrupt Enable Register */
+#define MII_LXT971_ISR         19 /* Interrupt Status Register */
+#define MII_LXT971_LCR         20 /* LED Control Register */
+#define MII_LXT971_TCR         30 /* Transmit Control Register */
+
+static void lxt971_startup(struct net_device *dev)
+{
+       struct fec_enet_private *fep = netdev_priv(dev);
+
+       fec_mii_write(dev, fep->mii_if.phy_id, MII_LXT971_IER, 0x00F2);
+}
+
+static void lxt971_ack_int(struct net_device *dev)
+{
+       struct fec_enet_private *fep = netdev_priv(dev);
+
+       fec_mii_read(dev, fep->mii_if.phy_id, MII_LXT971_ISR);
+}
+
+static void lxt971_shutdown(struct net_device *dev)
+{
+       struct fec_enet_private *fep = netdev_priv(dev);
+
+       fec_mii_write(dev, fep->mii_if.phy_id, MII_LXT971_IER, 0x0000);
+}
+#endif
+
 /**********************************************************************************/
 
 static const struct phy_info phy_info[] = {
@@ -215,6 +248,15 @@ static const struct phy_info phy_info[] = {
         .shutdown = dm9161_shutdown,
         },
 #endif
+#ifdef CONFIG_FEC_8XX_LXT971_PHY
+       {
+        .id = 0x0001378e,
+        .name = "LXT971/972",
+        .startup = lxt971_startup,
+        .ack_int = lxt971_ack_int,
+        .shutdown = lxt971_shutdown,
+       },
+#endif
 #ifdef CONFIG_FEC_8XX_GENERIC_PHY
        {
         .id = 0,