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/*
* Copyright 2009-2012 Freescale Semiconductor, Inc.
*
* Driver for National Semiconductor PHYs 8384x
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/phy.h>
#include <linux/netdevice.h>
/* DP8384x phy identifier values */
#define DP83848_PHY_ID 0x20005c90
#define DP83849_PHY_ID 0x20005ca0
/* PHY Status Register */
#define MII_DP8384X_PHYSTST 16
static int ns8384x_config_init(struct phy_device *phydev)
{
int ret = phy_read(phydev, MII_DP8384X_PHYSTST);
if (ret < 0) {
printk(KERN_INFO "%s MII_DP83640_ISR %x\n",
__func__, ret);
}
return 0;
}
static struct phy_driver dp83848_driver = {
.phy_id = DP83848_PHY_ID,
.phy_id_mask = 0xfffffff0,
.name = "NatSemi DP83848",
.features = PHY_BASIC_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.config_init = ns8384x_config_init,
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.driver = {.owner = THIS_MODULE,}
};
static struct phy_driver dp83849_driver = {
.phy_id = DP83849_PHY_ID,
.phy_id_mask = 0xfffffff0,
.name = "NatSemi DP83849",
.features = PHY_BASIC_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.config_init = ns8384x_config_init,
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.driver = {.owner = THIS_MODULE,}
};
static int __init ns8384x_init(void)
{
int ret;
ret = phy_driver_register(&dp83848_driver);
if (ret)
goto err1;
ret = phy_driver_register(&dp83849_driver);
if (ret)
goto err2;
return 0;
err2:
printk(KERN_INFO "register dp83849 PHY driver fail\n");
phy_driver_unregister(&dp83848_driver);
err1:
printk(KERN_INFO "register dp83848 PHY driver fail\n");
return ret;
}
static void __exit ns8384x_exit(void)
{
phy_driver_unregister(&dp83848_driver);
phy_driver_unregister(&dp83849_driver);
}
MODULE_DESCRIPTION("NatSemi PHY driver");
MODULE_AUTHOR("Chenghu Wu <b16972@freescale.com>");
MODULE_LICENSE("GPL v2");
module_init(ns8384x_init);
module_exit(ns8384x_exit);
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