drivers/net/phy/atheros.c

   1 /*
   2  * Atheros PHY drivers
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  *
   6  * Copyright 2011, 2013 Freescale Semiconductor, Inc.
   7  * author Andy Fleming
   8  */
   9 #include <phy.h>
  10
  11 static int ar8021_config(struct phy_device *phydev)
  12 {
  13         phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
  14         phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3D47);
  15
  16         return 0;
  17 }
  18
  19 static int ar8035_config(struct phy_device *phydev)
  20 {
  21         int regval;
  22
  23         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x0007);
  24         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
  25         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
  26         regval = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
  27         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, (regval|0x0018));
  28
  29         phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
  30         regval = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
  31         phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, (regval|0x0100));
  32
  33         genphy_config_aneg(phydev);
  34
  35         phy_reset(phydev);
  36
  37         return 0;
  38 }
  39
  40 static struct phy_driver AR8021_driver =  {
  41         .name = "AR8021",
  42         .uid = 0x4dd040,
  43         .mask = 0x4fffff,
  44         .features = PHY_GBIT_FEATURES,
  45         .config = ar8021_config,
  46         .startup = genphy_startup,
  47         .shutdown = genphy_shutdown,
  48 };
  49
  50 static struct phy_driver AR8031_driver =  {
  51         .name = "AR8031/AR8033",
  52         .uid = 0x4dd074,
  53         .mask = 0xffffffef,
  54         .features = PHY_GBIT_FEATURES,
  55         .config = ar8021_config,
  56         .startup = genphy_startup,
  57         .shutdown = genphy_shutdown,
  58 };
  59
  60 static struct phy_driver AR8035_driver =  {
  61         .name = "AR8035",
  62         .uid = 0x4dd072,
  63         .mask = 0xffffffef,
  64         .features = PHY_GBIT_FEATURES,
  65         .config = ar8035_config,
  66         .startup = genphy_startup,
  67         .shutdown = genphy_shutdown,
  68 };
  69
  70 int phy_atheros_init(void)
  71 {
  72         phy_register(&AR8021_driver);
  73         phy_register(&AR8031_driver);
  74         phy_register(&AR8035_driver);
  75
  76         return 0;
  77 }