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 = genphy_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 } 78