Add support for Cortina CS4315/CS4340 10G PHY.
(Tested with CS4315 on T2080RDB and CS4340 on T4240RDB).
Signed-off-by: YongHua Cao <b43...@freescale.com>
Signed-off-by: Shengzhou Liu <shengzhou....@freescale.com>
---
drivers/net/phy/Kconfig | 5 +++
drivers/net/phy/Makefile | 1 +
drivers/net/phy/cortina.c | 92 +++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 98 insertions(+)
create mode 100644 drivers/net/phy/cortina.c
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 1d18443..f7d6c8c 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -60,6 +60,11 @@ config VITESSE_PHY
---help---
Currently supports the vsc8244
+config CORTINA_PHY
+ tristate "Drivers for the Cortina PHYs"
+ ---help---
+ Currently supports the CS4315 and CS4340 PHY.
+
config SMSC_PHY
tristate "Drivers for SMSC PHYs"
---help---
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index a4f96b7..4047042 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_LXT_PHY) += lxt.o
obj-$(CONFIG_QSEMI_PHY) += qsemi.o
obj-$(CONFIG_SMSC_PHY) += smsc.o
obj-$(CONFIG_VITESSE_PHY) += vitesse.o
+obj-$(CONFIG_CORTINA_PHY) += cortina.o
obj-$(CONFIG_BROADCOM_PHY) += broadcom.o
obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o
obj-$(CONFIG_BCM87XX_PHY) += bcm87xx.o
diff --git a/drivers/net/phy/cortina.c b/drivers/net/phy/cortina.c
new file mode 100644
index 0000000..154827c
--- /dev/null
+++ b/drivers/net/phy/cortina.c
@@ -0,0 +1,92 @@
+/* Driver for Cortina PHYs
+ *
+ * Copyright 2013-2014 Freescale Semiconductor, Inc.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/phy.h>
+
+#define PHY_ID_CS4340 0x13e51002
+
+MODULE_DESCRIPTION("Cortina PHY driver");
+MODULE_AUTHOR("Caoyh");
+MODULE_LICENSE("GPL");
+
+static int cs4340_config_init(struct phy_device *phydev)
+{
+ phydev->supported = SUPPORTED_10000baseT_Full;
+ phydev->advertising = SUPPORTED_10000baseT_Full;
+
+ return 0;
+}
+
+static int cs4340_config_aneg(struct phy_device *phydev)
+{
+ return 0;
+}
+
+static int cs4340_read_status(struct phy_device *phydev)
+{
+ phydev->link = 1;
+ phydev->speed = 10000;
+ phydev->duplex = DUPLEX_FULL;
+ return 0;
+}
+
+static int cs4340_ack_interrupt(struct phy_device *phydev)
+{
+ return 0;
+}
+
+static int cs4340_config_intr(struct phy_device *phydev)
+{
+ return 0;
+}
+
+static struct phy_driver cs4340_driver = {
+ .phy_id = PHY_ID_CS4340,
+ .phy_id_mask = 0xffffffff,
+ .name = "Cortina CS4315/CS4340",
+ .features = 0,
+ .config_init = &cs4340_config_init,
+ .config_aneg = &cs4340_config_aneg,
+ .read_status = &cs4340_read_status,
+ .ack_interrupt = &cs4340_ack_interrupt,
+ .config_intr = &cs4340_config_intr,
+ .driver = { .owner = THIS_MODULE,},
+};
+
+static int __init cs4340_init(void)
+{
+ int err;
+
+ err = phy_driver_register(&cs4340_driver);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+static void __exit cs4340_exit(void)
+{
+ phy_driver_unregister(&cs4340_driver);
+}
+
+module_init(cs4340_init);
+module_exit(cs4340_exit);
+
+static struct mdio_device_id __maybe_unused cortina_tbl[] = {
+ { PHY_ID_CS4340, 0xffffffff},
+ {},
+};
+
+MODULE_DEVICE_TABLE(mdio, cortina_tbl);
--
1.8.0
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