summaryrefslogtreecommitdiff
path: root/drivers/net/phy/smsc.c
blob: 5936f9bd7f31f18b2a53a369b2130eb7a86caa15 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
/*
 * SMSC PHY drivers
 *
 * SPDX-License-Identifier:	GPL-2.0+
 *
 * Base code from drivers/net/phy/davicom.c
 *   Copyright 2010-2011 Freescale Semiconductor, Inc.
 *   author Andy Fleming
 *
 * Some code get from linux kenrel
 * Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org>
 */
#include <miiphy.h>

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)
{
	genphy_update_link(phydev);
	smsc_parse_status(phydev);
	return 0;
}

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 = &smsc_startup,
	.shutdown = &genphy_shutdown,
};

int phy_smsc_init(void)
{
	phy_register(&lan8710_driver);
	phy_register(&lan911x_driver);
	phy_register(&lan8700_driver);

	return 0;
}