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46c9d938ca
Add SMSC LAN8740 Phy support required for PIC32MZDA devices. Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
90 lines
1.9 KiB
C
90 lines
1.9 KiB
C
/*
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* SMSC PHY drivers
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*
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* SPDX-License-Identifier: GPL-2.0+
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*
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* Base code from drivers/net/phy/davicom.c
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* Copyright 2010-2011 Freescale Semiconductor, Inc.
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* author Andy Fleming
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*
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* Some code copied from linux kernel
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* Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org>
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*/
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#include <miiphy.h>
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/* This code does not check the partner abilities. */
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static int smsc_parse_status(struct phy_device *phydev)
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{
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int mii_reg;
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mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMSR);
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if (mii_reg & (BMSR_100FULL | BMSR_100HALF))
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phydev->speed = SPEED_100;
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else
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phydev->speed = SPEED_10;
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if (mii_reg & (BMSR_10FULL | BMSR_100FULL))
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phydev->duplex = DUPLEX_FULL;
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else
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phydev->duplex = DUPLEX_HALF;
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return 0;
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}
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static int smsc_startup(struct phy_device *phydev)
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{
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genphy_update_link(phydev);
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smsc_parse_status(phydev);
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return 0;
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}
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static struct phy_driver lan8700_driver = {
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.name = "SMSC LAN8700",
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.uid = 0x0007c0c0,
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.mask = 0xffff0,
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.features = PHY_BASIC_FEATURES,
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.config = &genphy_config_aneg,
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.startup = &smsc_startup,
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.shutdown = &genphy_shutdown,
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};
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static struct phy_driver lan911x_driver = {
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.name = "SMSC LAN911x Internal PHY",
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.uid = 0x0007c0d0,
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.mask = 0xffff0,
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.features = PHY_BASIC_FEATURES,
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.config = &genphy_config_aneg,
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.startup = &smsc_startup,
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.shutdown = &genphy_shutdown,
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};
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static struct phy_driver lan8710_driver = {
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.name = "SMSC LAN8710/LAN8720",
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.uid = 0x0007c0f0,
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.mask = 0xffff0,
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.features = PHY_BASIC_FEATURES,
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.config = &genphy_config_aneg,
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.startup = &genphy_startup,
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.shutdown = &genphy_shutdown,
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};
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static struct phy_driver lan8740_driver = {
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.name = "SMSC LAN8740",
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.uid = 0x0007c110,
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.mask = 0xffff0,
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.features = PHY_BASIC_FEATURES,
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.config = &genphy_config_aneg,
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.startup = &genphy_startup,
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.shutdown = &genphy_shutdown,
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};
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int phy_smsc_init(void)
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{
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phy_register(&lan8710_driver);
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phy_register(&lan911x_driver);
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phy_register(&lan8700_driver);
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phy_register(&lan8740_driver);
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return 0;
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}
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