1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright 2010-2011 Freescale Semiconductor, Inc.
7 * (C) 2012 NetModule AG, David Andrey, added KSZ9031
16 static struct phy_driver KSZ804_driver = {
17 .name = "Micrel KSZ804",
20 .features = PHY_BASIC_FEATURES,
21 .config = &genphy_config,
22 .startup = &genphy_startup,
23 .shutdown = &genphy_shutdown,
26 #define MII_KSZPHY_OMSO 0x16
27 #define KSZPHY_OMSO_FACTORY_TEST BIT(15)
28 #define KSZPHY_OMSO_B_CAST_OFF (1 << 9)
30 static int ksz_genconfig_bcastoff(struct phy_device *phydev)
34 ret = phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZPHY_OMSO);
38 ret = phy_write(phydev, MDIO_DEVAD_NONE, MII_KSZPHY_OMSO,
39 ret | KSZPHY_OMSO_B_CAST_OFF);
43 return genphy_config(phydev);
46 static struct phy_driver KSZ8031_driver = {
47 .name = "Micrel KSZ8021/KSZ8031",
50 .features = PHY_BASIC_FEATURES,
51 .config = &ksz_genconfig_bcastoff,
52 .startup = &genphy_startup,
53 .shutdown = &genphy_shutdown,
59 #define MII_KSZ8051_PHY_OMSO 0x16
60 #define MII_KSZ8051_PHY_OMSO_NAND_TREE_ON (1 << 5)
62 static int ksz8051_config(struct phy_device *phydev)
66 /* Disable NAND-tree */
67 val = phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZ8051_PHY_OMSO);
68 val &= ~MII_KSZ8051_PHY_OMSO_NAND_TREE_ON;
69 phy_write(phydev, MDIO_DEVAD_NONE, MII_KSZ8051_PHY_OMSO, val);
71 return genphy_config(phydev);
74 static struct phy_driver KSZ8051_driver = {
75 .name = "Micrel KSZ8051",
78 .features = PHY_BASIC_FEATURES,
79 .config = &ksz8051_config,
80 .startup = &genphy_startup,
81 .shutdown = &genphy_shutdown,
84 static int ksz8081_config(struct phy_device *phydev)
88 ret = phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZPHY_OMSO);
92 ret &= ~KSZPHY_OMSO_FACTORY_TEST;
94 ret = phy_write(phydev, MDIO_DEVAD_NONE, MII_KSZPHY_OMSO,
95 ret | KSZPHY_OMSO_B_CAST_OFF);
99 return genphy_config(phydev);
102 static struct phy_driver KSZ8081_driver = {
103 .name = "Micrel KSZ8081",
106 .features = PHY_BASIC_FEATURES,
107 .config = &ksz8081_config,
108 .startup = &genphy_startup,
109 .shutdown = &genphy_shutdown,
116 static unsigned short smireg_to_phy(unsigned short reg)
118 return ((reg & 0xc0) >> 3) + 0x06 + ((reg & 0x20) >> 5);
121 static unsigned short smireg_to_reg(unsigned short reg)
126 static void ksz8895_write_smireg(struct phy_device *phydev, int smireg, int val)
128 phydev->bus->write(phydev->bus, smireg_to_phy(smireg), MDIO_DEVAD_NONE,
129 smireg_to_reg(smireg), val);
133 static int ksz8895_read_smireg(struct phy_device *phydev, int smireg)
135 return phydev->bus->read(phydev->bus, smireg_to_phy(smireg),
136 MDIO_DEVAD_NONE, smireg_to_reg(smireg));
140 int ksz8895_config(struct phy_device *phydev)
142 /* we are connected directly to the switch without
143 * dedicated PHY. SCONF1 == 001 */
145 phydev->duplex = DUPLEX_FULL;
146 phydev->speed = SPEED_100;
148 /* Force the switch to start */
149 ksz8895_write_smireg(phydev, 1, 1);
154 static int ksz8895_startup(struct phy_device *phydev)
159 static struct phy_driver ksz8895_driver = {
160 .name = "Micrel KSZ8895/KSZ8864",
163 .features = PHY_BASIC_FEATURES,
164 .config = &ksz8895_config,
165 .startup = &ksz8895_startup,
166 .shutdown = &genphy_shutdown,
169 /* Micrel used the exact same model number for the KSZ9021,
170 * so the revision number is used to distinguish them.
172 static struct phy_driver KS8721_driver = {
173 .name = "Micrel KS8721BL",
176 .features = PHY_BASIC_FEATURES,
177 .config = &genphy_config,
178 .startup = &genphy_startup,
179 .shutdown = &genphy_shutdown,
182 int ksz886x_config(struct phy_device *phydev)
184 /* we are connected directly to the switch without
187 phydev->duplex = DUPLEX_FULL;
188 phydev->speed = SPEED_100;
192 static int ksz886x_startup(struct phy_device *phydev)
197 static struct phy_driver ksz886x_driver = {
198 .name = "Micrel KSZ886x Switch",
201 .features = PHY_BASIC_FEATURES,
202 .config = &ksz886x_config,
203 .startup = &ksz886x_startup,
204 .shutdown = &genphy_shutdown,
207 int phy_micrel_ksz8xxx_init(void)
209 phy_register(&KSZ804_driver);
210 phy_register(&KSZ8031_driver);
211 phy_register(&KSZ8051_driver);
212 phy_register(&KSZ8081_driver);
213 phy_register(&KS8721_driver);
214 phy_register(&ksz8895_driver);
215 phy_register(&ksz886x_driver);