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         phydev->supported = phydev->drv->features;
  17         return 0;
  18 }
  19
  20 static int ar8035_config(struct phy_device *phydev)
  21 {
  22         int regval;
  23
  24         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x0007);
  25         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
  26         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
  27         regval = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
  28         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, (regval|0x0018));
  29
  30         phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
  31         regval = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
  32         phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, (regval|0x0100));
  33
  34         phydev->supported = phydev->drv->features;
  35
  36         genphy_config_aneg(phydev);
  37         genphy_restart_aneg(phydev);
  38
  39         return 0;
  40 }
  41
  42 static struct phy_driver AR8021_driver =  {
  43         .name = "AR8021",
  44         .uid = 0x4dd040,
  45         .mask = 0x4ffff0,
  46         .features = PHY_GBIT_FEATURES,
  47         .config = ar8021_config,
  48         .startup = genphy_startup,
  49         .shutdown = genphy_shutdown,
  50 };
  51
  52 static struct phy_driver AR8031_driver =  {
  53         .name = "AR8031/AR8033",
  54         .uid = 0x4dd074,
  55         .mask = 0xffffffef,
  56         .features = PHY_GBIT_FEATURES,
  57         .config = ar8035_config,
  58         .startup = genphy_startup,
  59         .shutdown = genphy_shutdown,
  60 };
  61
  62 static struct phy_driver AR8035_driver =  {
  63         .name = "AR8035",
  64         .uid = 0x4dd072,
  65         .mask = 0xffffffef,
  66         .features = PHY_GBIT_FEATURES,
  67         .config = ar8035_config,
  68         .startup = genphy_startup,
  69         .shutdown = genphy_shutdown,
  70 };
  71
  72 int phy_atheros_init(void)
  73 {
  74         phy_register(&AR8021_driver);
  75         phy_register(&AR8031_driver);
  76         phy_register(&AR8035_driver);
  77
  78         return 0;
  79 }