// SPDX-License-Identifier: GPL-2.0+ /* * LXT PHY drivers * * Copyright 2010-2011 Freescale Semiconductor, Inc. * author Andy Fleming */ #include #include /* LXT971 Status 2 registers */ #define MIIM_LXT971_SR2 0x11 /* Status Register 2 */ #define MIIM_LXT971_SR2_SPEED_MASK 0x4200 #define MIIM_LXT971_SR2_10HDX 0x0000 /* 10 Mbit half duplex selected */ #define MIIM_LXT971_SR2_10FDX 0x0200 /* 10 Mbit full duplex selected */ #define MIIM_LXT971_SR2_100HDX 0x4000 /* 100 Mbit half duplex selected */ #define MIIM_LXT971_SR2_100FDX 0x4200 /* 100 Mbit full duplex selected */ /* LXT971 */ static int lxt971_parse_status(struct phy_device *phydev) { int mii_reg; int speed; mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_LXT971_SR2); speed = mii_reg & MIIM_LXT971_SR2_SPEED_MASK; switch (speed) { case MIIM_LXT971_SR2_10HDX: phydev->speed = SPEED_10; phydev->duplex = DUPLEX_HALF; break; case MIIM_LXT971_SR2_10FDX: phydev->speed = SPEED_10; phydev->duplex = DUPLEX_FULL; break; case MIIM_LXT971_SR2_100HDX: phydev->speed = SPEED_100; phydev->duplex = DUPLEX_HALF; break; default: phydev->speed = SPEED_100; phydev->duplex = DUPLEX_FULL; } return 0; } static int lxt971_startup(struct phy_device *phydev) { int ret; ret = genphy_update_link(phydev); if (ret) return ret; return lxt971_parse_status(phydev); } U_BOOT_PHY_DRIVER(lxt971) = { .name = "LXT971", .uid = 0x1378e0, .mask = 0xfffff0, .features = PHY_BASIC_FEATURES, .config = &genphy_config_aneg, .startup = &lxt971_startup, .shutdown = &genphy_shutdown, };