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phy: Add support for SMSC LAN87xx PHYs

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This adds support for the SMSC LAN87xx PHYs.

Following PHYs can be used by set CONFIG_PHY_SMSC to config.
 - SMSC LAN8700
 - SMSC LAN8710/LAN8720
 - SMSC LAN8710/LAN8720

A setup of PHY was copied from linux kenrel.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Fixed white space errors; modified commit message a bit.
Signed-off-by: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Nobuhiro Iwamatsu 2011-11-23 21:24:15 +00:00 committed by Wolfgang Denk
parent 94e9d4c3e8
commit 5751aa2f24
3 changed files with 96 additions and 0 deletions
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1
drivers/net/phy/Makefile
View File

@ -38,6 +38,7 @@ COBJS-$(CONFIG_PHY_MARVELL) += marvell.o
COBJS-$(CONFIG_PHY_MICREL) += micrel.o
COBJS-$(CONFIG_PHY_NATSEMI) += natsemi.o
COBJS-$(CONFIG_PHY_REALTEK) += realtek.o
COBJS-$(CONFIG_PHY_SMSC) += smsc.o
COBJS-$(CONFIG_PHY_TERANETICS) += teranetics.o
COBJS-$(CONFIG_PHY_VITESSE) += vitesse.o

3
drivers/net/phy/phy.c
View File

@ -444,6 +444,9 @@ int phy_init(void)
#ifdef CONFIG_PHY_REALTEK
phy_realtek_init();
#endif
#ifdef CONFIG_PHY_SMSC
phy_smsc_init();
#endif
#ifdef CONFIG_PHY_TERANETICS
phy_teranetics_init();
#endif

92
drivers/net/phy/smsc.c Normal file
View File

@ -0,0 +1,92 @@
/*
* SMSC PHY drivers
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
* 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_GBIT_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;
}