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         .phy_id_mask    = 0x00fffff0,
  36         .features       = PHY_BASIC_FEATURES,
  37         .flags          = PHY_POLL,
  38         .config_init    = kszphy_config_init,
  39         .config_aneg    = genphy_config_aneg,
  40         .read_status    = genphy_read_status,
  41         .driver         = { .owner = THIS_MODULE,},
  42 };
  43
  44 static struct phy_driver vsc8201_driver = {
  45         .phy_id         = PHY_ID_VSC8201,
  46         .name           = "Micrel VSC8201",
  47         .phy_id_mask    = 0x00fffff0,
  48         .features       = PHY_BASIC_FEATURES,
  49         .flags          = PHY_POLL,
  50         .config_init    = kszphy_config_init,
  51         .config_aneg    = genphy_config_aneg,
  52         .read_status    = genphy_read_status,
  53         .driver         = { .owner = THIS_MODULE,},
  54 };
  55
  56 static struct phy_driver ksz9021_driver = {
  57         .phy_id         = PHY_ID_KSZ9021,
  58         .phy_id_mask    = 0x000fff10,
  59         .name           = "Micrel KSZ9021 Gigabit PHY",
  60         .features       = PHY_GBIT_FEATURES | SUPPORTED_Pause,
  61         .flags          = PHY_POLL,
  62         .config_init    = kszphy_config_init,
  63         .config_aneg    = genphy_config_aneg,
  64         .read_status    = genphy_read_status,
  65         .driver         = { .owner = THIS_MODULE, },
  66 };
  67
  68 static int __init ksphy_init(void)
  69 {
  70         int ret;
  71
  72         ret = phy_driver_register(&ks8001_driver);
  73         if (ret)
  74                 goto err1;
  75         ret = phy_driver_register(&vsc8201_driver);
  76         if (ret)
  77                 goto err2;
  78
  79         ret = phy_driver_register(&ksz9021_driver);
  80         if (ret)
  81                 goto err3;
  82         return 0;
  83
  84 err3:
  85         phy_driver_unregister(&vsc8201_driver);
  86 err2:
  87         phy_driver_unregister(&ks8001_driver);
  88 err1:
  89         return ret;
  90 }
  91
  92 static void __exit ksphy_exit(void)
  93 {
  94         phy_driver_unregister(&ks8001_driver);
  95         phy_driver_unregister(&vsc8201_driver);
  96         phy_driver_unregister(&ksz9021_driver);
  97 }
  98
  99 module_init(ksphy_init);
 100 module_exit(ksphy_exit);
 101
 102 MODULE_DESCRIPTION("Micrel PHY driver");
 103 MODULE_AUTHOR("David J. Choi");
 104 MODULE_LICENSE("GPL");