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authorNobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>2011-11-23 21:24:15 +0000
committerWolfgang Denk <wd@denx.de>2011-12-05 23:07:59 +0100
commit5751aa2f248a72c3cec7048cec8dfad33dab0979 (patch)
tree5810ab99018e55f4588f6fa7505ae495c4b5ac2a /drivers
parent94e9d4c3e8e01a803d8e9aedcf86664795b33605 (diff)
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phy: Add support for SMSC LAN87xx PHYs
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/phy/Makefile1
-rw-r--r--drivers/net/phy/phy.c3
-rw-r--r--drivers/net/phy/smsc.c92
3 files changed, 96 insertions, 0 deletions
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index a59834b..feced39 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -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
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 8da7688..eb55180 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -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
diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c
new file mode 100644
index 0000000..6dee8eb
--- /dev/null
+++ b/drivers/net/phy/smsc.c
@@ -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;
+}