1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * SMSC PHY drivers
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * Base code from drivers/net/phy/davicom.c
7*4882a593Smuzhiyun * Copyright 2010-2011 Freescale Semiconductor, Inc.
8*4882a593Smuzhiyun * author Andy Fleming
9*4882a593Smuzhiyun *
10*4882a593Smuzhiyun * Some code copied from linux kernel
11*4882a593Smuzhiyun * Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org>
12*4882a593Smuzhiyun */
13*4882a593Smuzhiyun #include <miiphy.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun /* This code does not check the partner abilities. */
smsc_parse_status(struct phy_device * phydev)16*4882a593Smuzhiyun static int smsc_parse_status(struct phy_device *phydev)
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun int mii_reg;
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMSR);
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun if (mii_reg & (BMSR_100FULL | BMSR_100HALF))
23*4882a593Smuzhiyun phydev->speed = SPEED_100;
24*4882a593Smuzhiyun else
25*4882a593Smuzhiyun phydev->speed = SPEED_10;
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun if (mii_reg & (BMSR_10FULL | BMSR_100FULL))
28*4882a593Smuzhiyun phydev->duplex = DUPLEX_FULL;
29*4882a593Smuzhiyun else
30*4882a593Smuzhiyun phydev->duplex = DUPLEX_HALF;
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun return 0;
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun
smsc_startup(struct phy_device * phydev)35*4882a593Smuzhiyun static int smsc_startup(struct phy_device *phydev)
36*4882a593Smuzhiyun {
37*4882a593Smuzhiyun int ret;
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun ret = genphy_update_link(phydev);
40*4882a593Smuzhiyun if (ret)
41*4882a593Smuzhiyun return ret;
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun return smsc_parse_status(phydev);
44*4882a593Smuzhiyun }
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun static struct phy_driver lan8700_driver = {
47*4882a593Smuzhiyun .name = "SMSC LAN8700",
48*4882a593Smuzhiyun .uid = 0x0007c0c0,
49*4882a593Smuzhiyun .mask = 0xffff0,
50*4882a593Smuzhiyun .features = PHY_BASIC_FEATURES,
51*4882a593Smuzhiyun .config = &genphy_config_aneg,
52*4882a593Smuzhiyun .startup = &smsc_startup,
53*4882a593Smuzhiyun .shutdown = &genphy_shutdown,
54*4882a593Smuzhiyun };
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun static struct phy_driver lan911x_driver = {
57*4882a593Smuzhiyun .name = "SMSC LAN911x Internal PHY",
58*4882a593Smuzhiyun .uid = 0x0007c0d0,
59*4882a593Smuzhiyun .mask = 0xffff0,
60*4882a593Smuzhiyun .features = PHY_BASIC_FEATURES,
61*4882a593Smuzhiyun .config = &genphy_config_aneg,
62*4882a593Smuzhiyun .startup = &smsc_startup,
63*4882a593Smuzhiyun .shutdown = &genphy_shutdown,
64*4882a593Smuzhiyun };
65*4882a593Smuzhiyun
66*4882a593Smuzhiyun static struct phy_driver lan8710_driver = {
67*4882a593Smuzhiyun .name = "SMSC LAN8710/LAN8720",
68*4882a593Smuzhiyun .uid = 0x0007c0f0,
69*4882a593Smuzhiyun .mask = 0xffff0,
70*4882a593Smuzhiyun .features = PHY_BASIC_FEATURES,
71*4882a593Smuzhiyun .config = &genphy_config_aneg,
72*4882a593Smuzhiyun .startup = &genphy_startup,
73*4882a593Smuzhiyun .shutdown = &genphy_shutdown,
74*4882a593Smuzhiyun };
75*4882a593Smuzhiyun
76*4882a593Smuzhiyun static struct phy_driver lan8740_driver = {
77*4882a593Smuzhiyun .name = "SMSC LAN8740",
78*4882a593Smuzhiyun .uid = 0x0007c110,
79*4882a593Smuzhiyun .mask = 0xffff0,
80*4882a593Smuzhiyun .features = PHY_BASIC_FEATURES,
81*4882a593Smuzhiyun .config = &genphy_config_aneg,
82*4882a593Smuzhiyun .startup = &genphy_startup,
83*4882a593Smuzhiyun .shutdown = &genphy_shutdown,
84*4882a593Smuzhiyun };
85*4882a593Smuzhiyun
86*4882a593Smuzhiyun static struct phy_driver lan8742_driver = {
87*4882a593Smuzhiyun .name = "SMSC LAN8742",
88*4882a593Smuzhiyun .uid = 0x0007c130,
89*4882a593Smuzhiyun .mask = 0xffff0,
90*4882a593Smuzhiyun .features = PHY_BASIC_FEATURES,
91*4882a593Smuzhiyun .config = &genphy_config_aneg,
92*4882a593Smuzhiyun .startup = &genphy_startup,
93*4882a593Smuzhiyun .shutdown = &genphy_shutdown,
94*4882a593Smuzhiyun };
95*4882a593Smuzhiyun
phy_smsc_init(void)96*4882a593Smuzhiyun int phy_smsc_init(void)
97*4882a593Smuzhiyun {
98*4882a593Smuzhiyun phy_register(&lan8710_driver);
99*4882a593Smuzhiyun phy_register(&lan911x_driver);
100*4882a593Smuzhiyun phy_register(&lan8700_driver);
101*4882a593Smuzhiyun phy_register(&lan8740_driver);
102*4882a593Smuzhiyun phy_register(&lan8742_driver);
103*4882a593Smuzhiyun
104*4882a593Smuzhiyun return 0;
105*4882a593Smuzhiyun }
106