Commit 09bb9aa0 authored by Maxime Bizon's avatar Maxime Bizon Committed by David S. Miller

MIPS: BCM63XX: Add integrated ethernet PHY support for phylib.

Signed-off-by: default avatarMaxime Bizon <mbizon@freebox.fr>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>

 drivers/net/phy/Kconfig   |    6 ++
 drivers/net/phy/Makefile  |    1
 drivers/net/phy/bcm63xx.c |  132 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 139 insertions(+)
 create mode 100644 drivers/net/phy/bcm63xx.c
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 460deefa
......@@ -56,6 +56,12 @@ config BROADCOM_PHY
Currently supports the BCM5411, BCM5421, BCM5461, BCM5464, BCM5481
and BCM5482 PHYs.
config BCM63XX_PHY
tristate "Drivers for Broadcom 63xx SOCs internal PHY"
depends on BCM63XX
---help---
Currently supports the 6348 and 6358 PHYs.
config ICPLUS_PHY
tristate "Drivers for ICPlus PHYs"
---help---
......
......@@ -11,6 +11,7 @@ obj-$(CONFIG_QSEMI_PHY) += qsemi.o
obj-$(CONFIG_SMSC_PHY) += smsc.o
obj-$(CONFIG_VITESSE_PHY) += vitesse.o
obj-$(CONFIG_BROADCOM_PHY) += broadcom.o
obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o
obj-$(CONFIG_ICPLUS_PHY) += icplus.o
obj-$(CONFIG_REALTEK_PHY) += realtek.o
obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o
......
/*
* Driver for Broadcom 63xx SOCs integrated PHYs
*
* 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/module.h>
#include <linux/phy.h>
#define MII_BCM63XX_IR 0x1a /* interrupt register */
#define MII_BCM63XX_IR_EN 0x4000 /* global interrupt enable */
#define MII_BCM63XX_IR_DUPLEX 0x0800 /* duplex changed */
#define MII_BCM63XX_IR_SPEED 0x0400 /* speed changed */
#define MII_BCM63XX_IR_LINK 0x0200 /* link changed */
#define MII_BCM63XX_IR_GMASK 0x0100 /* global interrupt mask */
MODULE_DESCRIPTION("Broadcom 63xx internal PHY driver");
MODULE_AUTHOR("Maxime Bizon <mbizon@freebox.fr>");
MODULE_LICENSE("GPL");
static int bcm63xx_config_init(struct phy_device *phydev)
{
int reg, err;
reg = phy_read(phydev, MII_BCM63XX_IR);
if (reg < 0)
return reg;
/* Mask interrupts globally. */
reg |= MII_BCM63XX_IR_GMASK;
err = phy_write(phydev, MII_BCM63XX_IR, reg);
if (err < 0)
return err;
/* Unmask events we are interested in */
reg = ~(MII_BCM63XX_IR_DUPLEX |
MII_BCM63XX_IR_SPEED |
MII_BCM63XX_IR_LINK) |
MII_BCM63XX_IR_EN;
err = phy_write(phydev, MII_BCM63XX_IR, reg);
if (err < 0)
return err;
return 0;
}
static int bcm63xx_ack_interrupt(struct phy_device *phydev)
{
int reg;
/* Clear pending interrupts. */
reg = phy_read(phydev, MII_BCM63XX_IR);
if (reg < 0)
return reg;
return 0;
}
static int bcm63xx_config_intr(struct phy_device *phydev)
{
int reg, err;
reg = phy_read(phydev, MII_BCM63XX_IR);
if (reg < 0)
return reg;
if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
reg &= ~MII_BCM63XX_IR_GMASK;
else
reg |= MII_BCM63XX_IR_GMASK;
err = phy_write(phydev, MII_BCM63XX_IR, reg);
return err;
}
static struct phy_driver bcm63xx_1_driver = {
.phy_id = 0x00406000,
.phy_id_mask = 0xfffffc00,
.name = "Broadcom BCM63XX (1)",
/* ASYM_PAUSE bit is marked RO in datasheet, so don't cheat */
.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
.flags = PHY_HAS_INTERRUPT,
.config_init = bcm63xx_config_init,
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.ack_interrupt = bcm63xx_ack_interrupt,
.config_intr = bcm63xx_config_intr,
.driver = { .owner = THIS_MODULE },
};
/* same phy as above, with just a different OUI */
static struct phy_driver bcm63xx_2_driver = {
.phy_id = 0x002bdc00,
.phy_id_mask = 0xfffffc00,
.name = "Broadcom BCM63XX (2)",
.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
.flags = PHY_HAS_INTERRUPT,
.config_init = bcm63xx_config_init,
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.ack_interrupt = bcm63xx_ack_interrupt,
.config_intr = bcm63xx_config_intr,
.driver = { .owner = THIS_MODULE },
};
static int __init bcm63xx_phy_init(void)
{
int ret;
ret = phy_driver_register(&bcm63xx_1_driver);
if (ret)
goto out_63xx_1;
ret = phy_driver_register(&bcm63xx_2_driver);
if (ret)
goto out_63xx_2;
return ret;
out_63xx_2:
phy_driver_unregister(&bcm63xx_1_driver);
out_63xx_1:
return ret;
}
static void __exit bcm63xx_phy_exit(void)
{
phy_driver_unregister(&bcm63xx_1_driver);
phy_driver_unregister(&bcm63xx_2_driver);
}
module_init(bcm63xx_phy_init);
module_exit(bcm63xx_phy_exit);
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