diff options
| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2012-11-21 05:38:07 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-11-23 19:29:51 (GMT) |
| commit | 93272e07d8539cddce9a2a17b7b0de1326957599 (patch) | |
| tree | 82ea76bf65b70ac856bbabb7263827be5f632aa3 | |
| parent | 0b545a62915aa635a5d41f64cbf3b7650c132a8d (diff) | |
| download | linux-93272e07d8539cddce9a2a17b7b0de1326957599.tar.xz | |
net: add micrel KSZ8873MLL switch support
this will allow to detect the link between the switch and the soc
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/phy/micrel.c | 44 | ||||
| -rw-r--r-- | include/linux/micrel_phy.h | 1 |
2 files changed, 45 insertions, 0 deletions
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 2165d5f..b983596 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -127,6 +127,39 @@ static int ks8051_config_init(struct phy_device *phydev) return 0; } +#define KSZ8873MLL_GLOBAL_CONTROL_4 0x06 +#define KSZ8873MLL_GLOBAL_CONTROL_4_DUPLEX (1 << 6) +#define KSZ8873MLL_GLOBAL_CONTROL_4_SPEED (1 << 4) +int ksz8873mll_read_status(struct phy_device *phydev) +{ + int regval; + + /* dummy read */ + regval = phy_read(phydev, KSZ8873MLL_GLOBAL_CONTROL_4); + + regval = phy_read(phydev, KSZ8873MLL_GLOBAL_CONTROL_4); + + if (regval & KSZ8873MLL_GLOBAL_CONTROL_4_DUPLEX) + phydev->duplex = DUPLEX_HALF; + else + phydev->duplex = DUPLEX_FULL; + + if (regval & KSZ8873MLL_GLOBAL_CONTROL_4_SPEED) + phydev->speed = SPEED_10; + else + phydev->speed = SPEED_100; + + phydev->link = 1; + phydev->pause = phydev->asym_pause = 0; + + return 0; +} + +static int ksz8873mll_config_aneg(struct phy_device *phydev) +{ + return 0; +} + static struct phy_driver ksphy_driver[] = { { .phy_id = PHY_ID_KS8737, @@ -204,6 +237,16 @@ static struct phy_driver ksphy_driver[] = { .ack_interrupt = kszphy_ack_interrupt, .config_intr = ksz9021_config_intr, .driver = { .owner = THIS_MODULE, }, +}, { + .phy_id = PHY_ID_KSZ8873MLL, + .phy_id_mask = 0x00fffff0, + .name = "Micrel KSZ8873MLL Switch", + .features = (SUPPORTED_Pause | SUPPORTED_Asym_Pause), + .flags = PHY_HAS_MAGICANEG, + .config_init = kszphy_config_init, + .config_aneg = ksz8873mll_config_aneg, + .read_status = ksz8873mll_read_status, + .driver = { .owner = THIS_MODULE, }, } }; static int __init ksphy_init(void) @@ -232,6 +275,7 @@ static struct mdio_device_id __maybe_unused micrel_tbl[] = { { PHY_ID_KSZ8021, 0x00ffffff }, { PHY_ID_KSZ8041, 0x00fffff0 }, { PHY_ID_KSZ8051, 0x00fffff0 }, + { PHY_ID_KSZ8873MLL, 0x00fffff0 }, { } }; diff --git a/include/linux/micrel_phy.h b/include/linux/micrel_phy.h index de20120..adfe8c0 100644 --- a/include/linux/micrel_phy.h +++ b/include/linux/micrel_phy.h @@ -15,6 +15,7 @@ #define MICREL_PHY_ID_MASK 0x00fffff0 +#define PHY_ID_KSZ8873MLL 0x000e7237 #define PHY_ID_KSZ9021 0x00221610 #define PHY_ID_KS8737 0x00221720 #define PHY_ID_KSZ8021 0x00221555 |