diff options
Diffstat (limited to 'drivers/net/phy/micrel.c')
| -rw-r--r-- | drivers/net/phy/micrel.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 5a8fefc25157..059f13b60fe0 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -311,6 +311,36 @@ static int kszphy_config_init(struct phy_device *phydev) return 0; } +static int ksz8041_config_init(struct phy_device *phydev) +{ + struct device_node *of_node = phydev->mdio.dev.of_node; + + /* Limit supported and advertised modes in fiber mode */ + if (of_property_read_bool(of_node, "micrel,fiber-mode")) { + phydev->dev_flags |= MICREL_PHY_FXEN; + phydev->supported &= SUPPORTED_FIBRE | + SUPPORTED_100baseT_Full | + SUPPORTED_100baseT_Half; + phydev->advertising &= ADVERTISED_FIBRE | + ADVERTISED_100baseT_Full | + ADVERTISED_100baseT_Half; + phydev->autoneg = AUTONEG_DISABLE; + } + + return kszphy_config_init(phydev); +} + +static int ksz8041_config_aneg(struct phy_device *phydev) +{ + /* Skip auto-negotiation in fiber mode */ + if (phydev->dev_flags & MICREL_PHY_FXEN) { + phydev->speed = SPEED_100; + return 0; + } + + return genphy_config_aneg(phydev); +} + static int ksz9021_load_values_from_of(struct phy_device *phydev, const struct device_node *of_node, u16 reg, @@ -788,8 +818,8 @@ static struct phy_driver ksphy_driver[] = { .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, .driver_data = &ksz8041_type, .probe = kszphy_probe, - .config_init = kszphy_config_init, - .config_aneg = genphy_config_aneg, + .config_init = ksz8041_config_init, + .config_aneg = ksz8041_config_aneg, .read_status = genphy_read_status, .ack_interrupt = kszphy_ack_interrupt, .config_intr = kszphy_config_intr, |