4 * SPDX-License-Identifier: GPL-2.0+
6 * Base code from drivers/net/phy/davicom.c
7 * Copyright 2010-2011 Freescale Semiconductor, Inc.
10 * Some code get from linux kenrel
11 * Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org>
15 static int smsc_parse_status(struct phy_device *phydev)
19 mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMSR);
21 if (mii_reg & (BMSR_100FULL | BMSR_100HALF))
22 phydev->speed = SPEED_100;
24 phydev->speed = SPEED_10;
26 if (mii_reg & (BMSR_10FULL | BMSR_100FULL))
27 phydev->duplex = DUPLEX_FULL;
29 phydev->duplex = DUPLEX_HALF;
34 static int smsc_startup(struct phy_device *phydev)
36 genphy_update_link(phydev);
37 smsc_parse_status(phydev);
41 static struct phy_driver lan8700_driver = {
42 .name = "SMSC LAN8700",
45 .features = PHY_BASIC_FEATURES,
46 .config = &genphy_config_aneg,
47 .startup = &smsc_startup,
48 .shutdown = &genphy_shutdown,
51 static struct phy_driver lan911x_driver = {
52 .name = "SMSC LAN911x Internal PHY",
55 .features = PHY_BASIC_FEATURES,
56 .config = &genphy_config_aneg,
57 .startup = &smsc_startup,
58 .shutdown = &genphy_shutdown,
61 static struct phy_driver lan8710_driver = {
62 .name = "SMSC LAN8710/LAN8720",
65 .features = PHY_BASIC_FEATURES,
66 .config = &genphy_config_aneg,
67 .startup = &smsc_startup,
68 .shutdown = &genphy_shutdown,
71 int phy_smsc_init(void)
73 phy_register(&lan8710_driver);
74 phy_register(&lan911x_driver);
75 phy_register(&lan8700_driver);