4 * SPDX-License-Identifier: GPL-2.0+
6 * Copyright 2010-2011 Freescale Semiconductor, Inc.
8 * (C) 2012 NetModule AG, David Andrey, added KSZ9031
18 DECLARE_GLOBAL_DATA_PTR;
20 static struct phy_driver KSZ804_driver = {
21 .name = "Micrel KSZ804",
24 .features = PHY_BASIC_FEATURES,
25 .config = &genphy_config,
26 .startup = &genphy_startup,
27 .shutdown = &genphy_shutdown,
30 #define MII_KSZPHY_OMSO 0x16
31 #define KSZPHY_OMSO_B_CAST_OFF (1 << 9)
33 static int ksz_genconfig_bcastoff(struct phy_device *phydev)
37 ret = phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZPHY_OMSO);
41 ret = phy_write(phydev, MDIO_DEVAD_NONE, MII_KSZPHY_OMSO,
42 ret | KSZPHY_OMSO_B_CAST_OFF);
46 return genphy_config(phydev);
49 static struct phy_driver KSZ8031_driver = {
50 .name = "Micrel KSZ8021/KSZ8031",
53 .features = PHY_BASIC_FEATURES,
54 .config = &ksz_genconfig_bcastoff,
55 .startup = &genphy_startup,
56 .shutdown = &genphy_shutdown,
62 #define MII_KSZ8051_PHY_OMSO 0x16
63 #define MII_KSZ8051_PHY_OMSO_NAND_TREE_ON (1 << 5)
65 static int ksz8051_config(struct phy_device *phydev)
69 /* Disable NAND-tree */
70 val = phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZ8051_PHY_OMSO);
71 val &= ~MII_KSZ8051_PHY_OMSO_NAND_TREE_ON;
72 phy_write(phydev, MDIO_DEVAD_NONE, MII_KSZ8051_PHY_OMSO, val);
74 return genphy_config(phydev);
77 static struct phy_driver KSZ8051_driver = {
78 .name = "Micrel KSZ8051",
81 .features = PHY_BASIC_FEATURES,
82 .config = &ksz8051_config,
83 .startup = &genphy_startup,
84 .shutdown = &genphy_shutdown,
87 static struct phy_driver KSZ8081_driver = {
88 .name = "Micrel KSZ8081",
91 .features = PHY_BASIC_FEATURES,
92 .config = &ksz_genconfig_bcastoff,
93 .startup = &genphy_startup,
94 .shutdown = &genphy_shutdown,
101 static unsigned short smireg_to_phy(unsigned short reg)
103 return ((reg & 0xc0) >> 3) + 0x06 + ((reg & 0x20) >> 5);
106 static unsigned short smireg_to_reg(unsigned short reg)
111 static void ksz8895_write_smireg(struct phy_device *phydev, int smireg, int val)
113 phydev->bus->write(phydev->bus, smireg_to_phy(smireg), MDIO_DEVAD_NONE,
114 smireg_to_reg(smireg), val);
118 static int ksz8895_read_smireg(struct phy_device *phydev, int smireg)
120 return phydev->bus->read(phydev->bus, smireg_to_phy(smireg),
121 MDIO_DEVAD_NONE, smireg_to_reg(smireg));
125 int ksz8895_config(struct phy_device *phydev)
127 /* we are connected directly to the switch without
128 * dedicated PHY. SCONF1 == 001 */
130 phydev->duplex = DUPLEX_FULL;
131 phydev->speed = SPEED_100;
133 /* Force the switch to start */
134 ksz8895_write_smireg(phydev, 1, 1);
139 static int ksz8895_startup(struct phy_device *phydev)
144 static struct phy_driver ksz8895_driver = {
145 .name = "Micrel KSZ8895/KSZ8864",
148 .features = PHY_BASIC_FEATURES,
149 .config = &ksz8895_config,
150 .startup = &ksz8895_startup,
151 .shutdown = &genphy_shutdown,
154 /* Micrel used the exact same part number for the KSZ9021. */
155 static struct phy_driver KS8721_driver = {
156 .name = "Micrel KS8721BL",
159 .features = PHY_BASIC_FEATURES,
160 .config = &genphy_config,
161 .startup = &genphy_startup,
162 .shutdown = &genphy_shutdown,
165 int ksz886x_config(struct phy_device *phydev)
167 /* we are connected directly to the switch without
170 phydev->duplex = DUPLEX_FULL;
171 phydev->speed = SPEED_100;
175 static int ksz886x_startup(struct phy_device *phydev)
180 static struct phy_driver ksz886x_driver = {
181 .name = "Micrel KSZ886x Switch",
184 .features = PHY_BASIC_FEATURES,
185 .config = &ksz886x_config,
186 .startup = &ksz886x_startup,
187 .shutdown = &genphy_shutdown,
190 int phy_micrel_ksz8xxx_init(void)
192 phy_register(&KSZ804_driver);
193 phy_register(&KSZ8031_driver);
194 phy_register(&KSZ8051_driver);
195 phy_register(&KSZ8081_driver);
196 phy_register(&KS8721_driver);
197 phy_register(&ksz8895_driver);
198 phy_register(&ksz886x_driver);