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net: phy: realtek: add rtl8211e driver
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This patch adds the minimal driver to manage the
Realtek RTL8211E 10/100/1000 Transceivers.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Giuseppe CAVALLARO authored and David S. Miller committed Jan 28, 2013
1 parent 556e625 commit ef3d904
Showing 1 changed file with 44 additions and 6 deletions.
50 changes: 44 additions & 6 deletions drivers/net/phy/realtek.c
Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,8 @@
#define RTL821x_INER_INIT 0x6400
#define RTL821x_INSR 0x13

#define RTL8211E_INER_LINK_STAT 0x10

MODULE_DESCRIPTION("Realtek PHY driver");
MODULE_AUTHOR("Johnson Leung");
MODULE_LICENSE("GPL");
Expand All @@ -36,7 +38,7 @@ static int rtl821x_ack_interrupt(struct phy_device *phydev)
return (err < 0) ? err : 0;
}

static int rtl821x_config_intr(struct phy_device *phydev)
static int rtl8211b_config_intr(struct phy_device *phydev)
{
int err;

Expand All @@ -49,35 +51,71 @@ static int rtl821x_config_intr(struct phy_device *phydev)
return err;
}

static int rtl8211e_config_intr(struct phy_device *phydev)
{
int err;

if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
err = phy_write(phydev, RTL821x_INER,
RTL8211E_INER_LINK_STAT);
else
err = phy_write(phydev, RTL821x_INER, 0);

return err;
}

/* RTL8211B */
static struct phy_driver rtl821x_driver = {
static struct phy_driver rtl8211b_driver = {
.phy_id = 0x001cc912,
.name = "RTL821x Gigabit Ethernet",
.name = "RTL8211B Gigabit Ethernet",
.phy_id_mask = 0x001fffff,
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.config_aneg = &genphy_config_aneg,
.read_status = &genphy_read_status,
.ack_interrupt = &rtl821x_ack_interrupt,
.config_intr = &rtl821x_config_intr,
.config_intr = &rtl8211b_config_intr,
.driver = { .owner = THIS_MODULE,},
};

/* RTL8211E */
static struct phy_driver rtl8211e_driver = {
.phy_id = 0x001cc915,
.name = "RTL8211E Gigabit Ethernet",
.phy_id_mask = 0x001fffff,
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.config_aneg = &genphy_config_aneg,
.read_status = &genphy_read_status,
.ack_interrupt = &rtl821x_ack_interrupt,
.config_intr = &rtl8211e_config_intr,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE,},
};

static int __init realtek_init(void)
{
return phy_driver_register(&rtl821x_driver);
int ret;

ret = phy_driver_register(&rtl8211b_driver);
if (ret < 0)
return -ENODEV;
return phy_driver_register(&rtl8211e_driver);
}

static void __exit realtek_exit(void)
{
phy_driver_unregister(&rtl821x_driver);
phy_driver_unregister(&rtl8211b_driver);
phy_driver_unregister(&rtl8211e_driver);
}

module_init(realtek_init);
module_exit(realtek_exit);

static struct mdio_device_id __maybe_unused realtek_tbl[] = {
{ 0x001cc912, 0x001fffff },
{ 0x001cc915, 0x001fffff },
{ }
};

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