drivers/net/phy: micrel phy driver

This is the first version of phy driver from Micrel Inc.

Signed-off-by: David J. Choi <david.choi@micrel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index fc5938b..a527e37 100644 (file)
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -88,6 +88,11 @@ config LSI_ET1011C_PHY
        ---help---
          Supports the LSI ET1011C PHY.
 
+config MICREL_PHY
+       tristate "Driver for Micrel PHYs"
+       ---help---
+         Supports the KSZ9021, VSC8201, KS8001 PHYs.
+
 config FIXED_PHY
        bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs"
        depends on PHYLIB=y

diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index 1342585..13bebab 100644 (file)
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -20,4 +20,5 @@ obj-$(CONFIG_MDIO_BITBANG)    += mdio-bitbang.o
 obj-$(CONFIG_MDIO_GPIO)                += mdio-gpio.o
 obj-$(CONFIG_NATIONAL_PHY)     += national.o
 obj-$(CONFIG_STE10XP)          += ste10Xp.o
+obj-$(CONFIG_MICREL_PHY)       += micrel.o
 obj-$(CONFIG_MDIO_OCTEON)      += mdio-octeon.o

diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
new file mode 100644 (file)
index 0000000..0cd80e4
--- /dev/null
+++ b/drivers/net/phy/micrel.c
@@ -0,0 +1,104 @@
+/*
+ * drivers/net/phy/micrel.c
+ *
+ * Driver for Micrel PHYs
+ *
+ * Author: David J. Choi
+ *
+ * Copyright (c) 2010 Micrel, 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.
+ *
+ * Support : ksz9021 , vsc8201, ks8001
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/phy.h>
+
+#define        PHY_ID_KSZ9021                  0x00221611
+#define        PHY_ID_VSC8201                  0x000FC413
+#define        PHY_ID_KS8001                   0x0022161A
+
+
+static int kszphy_config_init(struct phy_device *phydev)
+{
+       return 0;
+}
+
+
+static struct phy_driver ks8001_driver = {
+       .phy_id         = PHY_ID_KS8001,
+       .phy_id_mask    = 0x00fffff0,
+       .features       = PHY_BASIC_FEATURES,
+       .flags          = PHY_POLL,
+       .config_init    = kszphy_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .driver         = { .owner = THIS_MODULE,},
+};
+
+static struct phy_driver vsc8201_driver = {
+       .phy_id         = PHY_ID_VSC8201,
+       .name           = "Micrel VSC8201",
+       .phy_id_mask    = 0x00fffff0,
+       .features       = PHY_BASIC_FEATURES,
+       .flags          = PHY_POLL,
+       .config_init    = kszphy_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .driver         = { .owner = THIS_MODULE,},
+};
+
+static struct phy_driver ksz9021_driver = {
+       .phy_id         = PHY_ID_KSZ9021,
+       .phy_id_mask    = 0x000fff10,
+       .name           = "Micrel KSZ9021 Gigabit PHY",
+       .features       = PHY_GBIT_FEATURES | SUPPORTED_Pause,
+       .flags          = PHY_POLL,
+       .config_init    = kszphy_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .driver         = { .owner = THIS_MODULE, },
+};
+
+static int __init ksphy_init(void)
+{
+       int ret;
+
+       ret = phy_driver_register(&ks8001_driver);
+       if (ret)
+               goto err1;
+       ret = phy_driver_register(&vsc8201_driver);
+       if (ret)
+               goto err2;
+
+       ret = phy_driver_register(&ksz9021_driver);
+       if (ret)
+               goto err3;
+       return 0;
+
+err3:
+       phy_driver_unregister(&vsc8201_driver);
+err2:
+       phy_driver_unregister(&ks8001_driver);
+err1:
+       return ret;
+}
+
+static void __exit ksphy_exit(void)
+{
+       phy_driver_unregister(&ks8001_driver);
+       phy_driver_unregister(&vsc8201_driver);
+       phy_driver_unregister(&ksz9021_driver);
+}
+
+module_init(ksphy_init);
+module_exit(ksphy_exit);
+
+MODULE_DESCRIPTION("Micrel PHY driver");
+MODULE_AUTHOR("David J. Choi");
+MODULE_LICENSE("GPL");