60 lines
1.1 KiB
C
60 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#include <linux/module.h>
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#include <linux/phy.h>
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#include <linux/of.h>
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#define PHY_ID_TJA1100 0x0180dc48
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#define TJA1100_LINKUP BIT(15)
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static int tja1100_config_init(struct phy_device *phydev)
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{
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phydev->supported = SUPPORTED_100baseT_Full;
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phydev->advertising = SUPPORTED_100baseT_Full;
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phydev->state = PHY_NOLINK;
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phydev->autoneg = AUTONEG_DISABLE;
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return 0;
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}
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static int tja1100_read_status(struct phy_device *phydev)
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{
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int val;
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phydev->duplex = 1;
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phydev->pause = 0;
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phydev->speed = SPEED_100;
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val = phy_read(phydev, MII_RESV1);
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if (val < 0)
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return val;
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if (val & TJA1100_LINKUP)
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phydev->link = 1;
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else
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phydev->link = 0;
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return 0;
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}
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static struct phy_driver nxp_tja1100_driver[] = {
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{
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.phy_id = PHY_ID_TJA1100,
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.phy_id_mask = 0xffffffff,
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.name = "NXP TJA1100",
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.config_init = tja1100_config_init,
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.read_status = tja1100_read_status,
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}
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};
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module_phy_driver(nxp_tja1100_driver);
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static struct mdio_device_id __maybe_unused nxp_tbl[] = {
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{ PHY_ID_TJA1100, 0xffffffff },
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{ }
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};
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MODULE_DEVICE_TABLE(mdio, nxp_tbl);
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