drivers/net/phy/micrel.c

   1 /*
   2  * drivers/net/phy/micrel.c
   3  *
   4  * Driver for Micrel PHYs
   5  *
   6  * Author: David J. Choi
   7  *
   8  * Copyright (c) 2010 Micrel, Inc.
   9  *
  10  * This program is free software; you can redistribute  it and/or modify it
  11  * under  the terms of  the GNU General  Public License as published by the
  12  * Free Software Foundation;  either version 2 of the  License, or (at your
  13  * option) any later version.
  14  *
  15  * Support : ksz9021 , vsc8201, ks8001
  16  */
  17
  18 #include <linux/kernel.h>
  19 #include <linux/module.h>
  20 #include <linux/phy.h>
  21
  22 #define PHY_ID_KSZ9021                  0x00221611
  23 #define PHY_ID_VSC8201                  0x000FC413
  24 #define PHY_ID_KS8001                   0x0022161A
  25
  26
  27 static int kszphy_config_init(struct phy_device *phydev)
  28 {
  29         return 0;
  30 }
  31
  32
  33 static struct phy_driver ks8001_driver = {
  34         .phy_id         = PHY_ID_KS8001,
  35         .name           = "Micrel KS8001",
  36         .phy_id_mask    = 0x00fffff0,
  37         .features       = PHY_BASIC_FEATURES,
  38         .flags          = PHY_POLL,
  39         .config_init    = kszphy_config_init,
  40         .config_aneg    = genphy_config_aneg,
  41         .read_status    = genphy_read_status,
  42         .driver         = { .owner = THIS_MODULE,},
  43 };
  44
  45 static struct phy_driver vsc8201_driver = {
  46         .phy_id         = PHY_ID_VSC8201,
  47         .name           = "Micrel VSC8201",
  48         .phy_id_mask    = 0x00fffff0,
  49         .features       = PHY_BASIC_FEATURES,
  50         .flags          = PHY_POLL,
  51         .config_init    = kszphy_config_init,
  52         .config_aneg    = genphy_config_aneg,
  53         .read_status    = genphy_read_status,
  54         .driver         = { .owner = THIS_MODULE,},
  55 };
  56
  57 static struct phy_driver ksz9021_driver = {
  58         .phy_id         = PHY_ID_KSZ9021,
  59         .phy_id_mask    = 0x000fff10,
  60         .name           = "Micrel KSZ9021 Gigabit PHY",
  61         .features       = PHY_GBIT_FEATURES | SUPPORTED_Pause,
  62         .flags          = PHY_POLL,
  63         .config_init    = kszphy_config_init,
  64         .config_aneg    = genphy_config_aneg,
  65         .read_status    = genphy_read_status,
  66         .driver         = { .owner = THIS_MODULE, },
  67 };
  68
  69 static int __init ksphy_init(void)
  70 {
  71         int ret;
  72
  73         ret = phy_driver_register(&ks8001_driver);
  74         if (ret)
  75                 goto err1;
  76         ret = phy_driver_register(&vsc8201_driver);
  77         if (ret)
  78                 goto err2;
  79
  80         ret = phy_driver_register(&ksz9021_driver);
  81         if (ret)
  82                 goto err3;
  83         return 0;
  84
  85 err3:
  86         phy_driver_unregister(&vsc8201_driver);
  87 err2:
  88         phy_driver_unregister(&ks8001_driver);
  89 err1:
  90         return ret;
  91 }
  92
  93 static void __exit ksphy_exit(void)
  94 {
  95         phy_driver_unregister(&ks8001_driver);
  96         phy_driver_unregister(&vsc8201_driver);
  97         phy_driver_unregister(&ksz9021_driver);
  98 }
  99
 100 module_init(ksphy_init);
 101 module_exit(ksphy_exit);
 102
 103 MODULE_DESCRIPTION("Micrel PHY driver");
 104 MODULE_AUTHOR("David J. Choi");
 105 MODULE_LICENSE("GPL");
 106
 107 static struct mdio_device_id micrel_tbl[] = {
 108         { PHY_ID_KSZ9021, 0x000fff10 },
 109         { PHY_ID_VSC8201, 0x00fffff0 },
 110         { PHY_ID_KS8001, 0x00fffff0 },
 111         { }
 112 };
 113
 114 MODULE_DEVICE_TABLE(mdio, micrel_tbl);