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authorYegor Yefremov <yegorslists@googlemail.com>2012-11-28 11:15:18 +0100
committerJoe Hershberger <joe.hershberger@ni.com>2013-06-24 19:07:32 -0500
commit0fae25089d9e3303e952a4227bd2c1edccabfa20 (patch)
treee37f4668ae48226b362a0d10131bf3a7575e5174
parente2043f5c272d14a0e0acd81382f17cfc883136d6 (diff)
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net: add ICPlus PHY driver
The driver code was taken from Linux kernel source: drivers/net/phy/icplus.c Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
-rw-r--r--drivers/net/phy/Makefile1
-rw-r--r--drivers/net/phy/icplus.c94
-rw-r--r--drivers/net/phy/phy.c3
3 files changed, 98 insertions, 0 deletions
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index af5f4b8..695873e 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -35,6 +35,7 @@ COBJS-$(CONFIG_PHY_ATHEROS) += atheros.o
COBJS-$(CONFIG_PHY_BROADCOM) += broadcom.o
COBJS-$(CONFIG_PHY_DAVICOM) += davicom.o
COBJS-$(CONFIG_PHY_ET1011C) += et1011c.o
+COBJS-$(CONFIG_PHY_ICPLUS) += icplus.o
COBJS-$(CONFIG_PHY_LXT) += lxt.o
COBJS-$(CONFIG_PHY_MARVELL) += marvell.o
COBJS-$(CONFIG_PHY_MICREL) += micrel.o
diff --git a/drivers/net/phy/icplus.c b/drivers/net/phy/icplus.c
new file mode 100644
index 0000000..dd5c592
--- /dev/null
+++ b/drivers/net/phy/icplus.c
@@ -0,0 +1,94 @@
+/*
+ * ICPlus 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
+ *
+ * Copyright (c) 2007 Freescale Semiconductor, Inc.
+ *
+ */
+#include <phy.h>
+
+/* IP101A/G - IP1001 */
+#define IP10XX_SPEC_CTRL_STATUS 16 /* Spec. Control Register */
+#define IP1001_SPEC_CTRL_STATUS_2 20 /* IP1001 Spec. Control Reg 2 */
+#define IP1001_PHASE_SEL_MASK 3 /* IP1001 RX/TXPHASE_SEL */
+#define IP1001_APS_ON 11 /* IP1001 APS Mode bit */
+#define IP101A_G_APS_ON 2 /* IP101A/G APS Mode bit */
+#define IP101A_G_IRQ_CONF_STATUS 0x11 /* Conf Info IRQ & Status Reg */
+#define IP101A_G_IRQ_PIN_USED (1<<15) /* INTR pin used */
+#define IP101A_G_IRQ_DEFAULT IP101A_G_IRQ_PIN_USED
+
+static int ip1001_config(struct phy_device *phydev)
+{
+ int c;
+
+ /* Enable Auto Power Saving mode */
+ c = phy_read(phydev, MDIO_DEVAD_NONE, IP1001_SPEC_CTRL_STATUS_2);
+ if (c < 0)
+ return c;
+ c |= IP1001_APS_ON;
+ c = phy_write(phydev, MDIO_DEVAD_NONE, IP1001_SPEC_CTRL_STATUS_2, c);
+ if (c < 0)
+ return c;
+
+ /* INTR pin used: speed/link/duplex will cause an interrupt */
+ c = phy_write(phydev, MDIO_DEVAD_NONE, IP101A_G_IRQ_CONF_STATUS,
+ IP101A_G_IRQ_DEFAULT);
+ if (c < 0)
+ return c;
+
+ if (phydev->interface == PHY_INTERFACE_MODE_RGMII) {
+ /*
+ * Additional delay (2ns) used to adjust RX clock phase
+ * at RGMII interface
+ */
+ c = phy_read(phydev, MDIO_DEVAD_NONE, IP10XX_SPEC_CTRL_STATUS);
+ if (c < 0)
+ return c;
+
+ c |= IP1001_PHASE_SEL_MASK;
+ c = phy_write(phydev, MDIO_DEVAD_NONE, IP10XX_SPEC_CTRL_STATUS,
+ c);
+ if (c < 0)
+ return c;
+ }
+
+ return 0;
+}
+
+static int ip1001_startup(struct phy_device *phydev)
+{
+ genphy_update_link(phydev);
+ genphy_parse_link(phydev);
+
+ return 0;
+}
+static struct phy_driver IP1001_driver = {
+ .name = "ICPlus IP1001",
+ .uid = 0x02430d90,
+ .mask = 0x0ffffff0,
+ .features = PHY_GBIT_FEATURES,
+ .config = &ip1001_config,
+ .startup = &ip1001_startup,
+ .shutdown = &genphy_shutdown,
+};
+
+int phy_icplus_init(void)
+{
+ phy_register(&IP1001_driver);
+
+ return 0;
+}
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 8f4c0c6..77d19c6 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -433,6 +433,9 @@ int phy_init(void)
#ifdef CONFIG_PHY_ET1011C
phy_et1011c_init();
#endif
+#ifdef CONFIG_PHY_ICPLUS
+ phy_icplus_init();
+#endif
#ifdef CONFIG_PHY_LXT
phy_lxt_init();
#endif