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phy: marvell: Add support for 88E3016 FastEthernet PHY

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Marvell 88E3016 is a FastEthernet PHY that also can be found in Marvell
Berlin SoCs as integrated PHY.

Tested-by: Antoine Ténart <antoine.tenart@free-electrons.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sebastian Hesselbarth 2014-10-22 20:26:44 +02:00 committed by David S. Miller
parent d4c3363e84
commit 6b358aedce
2 changed files with 47 additions and 0 deletions
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46
drivers/net/phy/marvell.c
View file

@ -118,6 +118,9 @@
#define MII_M1116R_CONTROL_REG_MAC 21
#define MII_88E3016_PHY_SPEC_CTRL 0x10
#define MII_88E3016_DISABLE_SCRAMBLER 0x0200
#define MII_88E3016_AUTO_MDIX_CROSSOVER 0x0030
MODULE_DESCRIPTION("Marvell PHY driver");
MODULE_AUTHOR("Andy Fleming");
@ -434,6 +437,25 @@ static int m88e1116r_config_init(struct phy_device *phydev)
return 0;
}
static int m88e3016_config_init(struct phy_device *phydev)
{
int reg;
/* Enable Scrambler and Auto-Crossover */
reg = phy_read(phydev, MII_88E3016_PHY_SPEC_CTRL);
if (reg < 0)
return reg;
reg &= ~MII_88E3016_DISABLE_SCRAMBLER;
reg |= MII_88E3016_AUTO_MDIX_CROSSOVER;
reg = phy_write(phydev, MII_88E3016_PHY_SPEC_CTRL, reg);
if (reg < 0)
return reg;
return 0;
}
static int m88e1111_config_init(struct phy_device *phydev)
{
int err;
@ -770,6 +792,12 @@ static int marvell_read_status(struct phy_device *phydev)
return 0;
}
static int marvell_aneg_done(struct phy_device *phydev)
{
int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
}
static int m88e1121_did_interrupt(struct phy_device *phydev)
{
int imask;
@ -1050,6 +1078,23 @@ static struct phy_driver marvell_drivers[] = {
.suspend = &genphy_suspend,
.driver = { .owner = THIS_MODULE },
},
{
.phy_id = MARVELL_PHY_ID_88E3016,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E3016",
.features = PHY_BASIC_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.config_aneg = &genphy_config_aneg,
.config_init = &m88e3016_config_init,
.aneg_done = &marvell_aneg_done,
.read_status = &marvell_read_status,
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,
.did_interrupt = &m88e1121_did_interrupt,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
.driver = { .owner = THIS_MODULE },
},
};
static int __init marvell_init(void)
@ -1079,6 +1124,7 @@ static struct mdio_device_id __maybe_unused marvell_tbl[] = {
{ MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
{ }
};

1
include/linux/marvell_phy.h
View file

@ -16,6 +16,7 @@
#define MARVELL_PHY_ID_88E1318S 0x01410e90
#define MARVELL_PHY_ID_88E1116R 0x01410e40
#define MARVELL_PHY_ID_88E1510 0x01410dd0
#define MARVELL_PHY_ID_88E3016 0x01410e60
/* struct phy_device dev_flags definitions */
#define MARVELL_PHY_M1145_FLAGS_RESISTANCE 0x00000001