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// SPDX-License-Identifier: GPL-2.0+
/*
* SMSC PHY drivers
*
* Base code from drivers/net/phy/davicom.c
* Copyright 2010-2011 Freescale Semiconductor, Inc.
* author Andy Fleming
*
* Some code copied from linux kernel
* Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org>
*/
#include <miiphy.h>
/* This code does not check the partner abilities. */
static int smsc_parse_status(struct phy_device *phydev)
{
int mii_reg;
mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMSR);
if (mii_reg & (BMSR_100FULL | BMSR_100HALF))
phydev->speed = SPEED_100;
else
phydev->speed = SPEED_10;
if (mii_reg & (BMSR_10FULL | BMSR_100FULL))
phydev->duplex = DUPLEX_FULL;
else
phydev->duplex = DUPLEX_HALF;
return 0;
}
static int smsc_startup(struct phy_device *phydev)
{
int ret;
ret = genphy_update_link(phydev);
if (ret)
return ret;
return smsc_parse_status(phydev);
}
static struct phy_driver lan8700_driver = {
.name = "SMSC LAN8700",
.uid = 0x0007c0c0,
.mask = 0xffff0,
.features = PHY_BASIC_FEATURES,
.config = &genphy_config_aneg,
.startup = &smsc_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver lan911x_driver = {
.name = "SMSC LAN911x Internal PHY",
.uid = 0x0007c0d0,
.mask = 0xffff0,
.features = PHY_BASIC_FEATURES,
.config = &genphy_config_aneg,
.startup = &smsc_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver lan8710_driver = {
.name = "SMSC LAN8710/LAN8720",
.uid = 0x0007c0f0,
.mask = 0xffff0,
.features = PHY_BASIC_FEATURES,
.config = &genphy_config_aneg,
.startup = &genphy_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver lan8740_driver = {
.name = "SMSC LAN8740",
.uid = 0x0007c110,
.mask = 0xffff0,
.features = PHY_BASIC_FEATURES,
.config = &genphy_config_aneg,
.startup = &genphy_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver lan8741_driver = {
.name = "SMSC LAN8741",
.uid = 0x0007c120,
.mask = 0xffff0,
.features = PHY_BASIC_FEATURES,
.config = &genphy_config_aneg,
.startup = &genphy_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver lan8742_driver = {
.name = "SMSC LAN8742",
.uid = 0x0007c130,
.mask = 0xffff0,
.features = PHY_BASIC_FEATURES,
.config = &genphy_config_aneg,
.startup = &genphy_startup,
.shutdown = &genphy_shutdown,
};
int phy_smsc_init(void)
{
phy_register(&lan8710_driver);
phy_register(&lan911x_driver);
phy_register(&lan8700_driver);
phy_register(&lan8740_driver);
phy_register(&lan8741_driver);
phy_register(&lan8742_driver);
return 0;
}
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