forked from Minki/linux
be01da72b1
Rather than have each driver set the driver owner field, do it once in the core code. This will also help with later changes, when the device structure will move. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/*
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* Driver for Broadcom 63xx SOCs integrated PHYs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include "bcm-phy-lib.h"
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#include <linux/module.h>
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#include <linux/phy.h>
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#define MII_BCM63XX_IR 0x1a /* interrupt register */
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#define MII_BCM63XX_IR_EN 0x4000 /* global interrupt enable */
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#define MII_BCM63XX_IR_DUPLEX 0x0800 /* duplex changed */
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#define MII_BCM63XX_IR_SPEED 0x0400 /* speed changed */
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#define MII_BCM63XX_IR_LINK 0x0200 /* link changed */
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#define MII_BCM63XX_IR_GMASK 0x0100 /* global interrupt mask */
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MODULE_DESCRIPTION("Broadcom 63xx internal PHY driver");
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MODULE_AUTHOR("Maxime Bizon <mbizon@freebox.fr>");
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MODULE_LICENSE("GPL");
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static int bcm63xx_config_init(struct phy_device *phydev)
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{
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int reg, err;
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reg = phy_read(phydev, MII_BCM63XX_IR);
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if (reg < 0)
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return reg;
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/* Mask interrupts globally. */
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reg |= MII_BCM63XX_IR_GMASK;
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err = phy_write(phydev, MII_BCM63XX_IR, reg);
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if (err < 0)
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return err;
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/* Unmask events we are interested in */
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reg = ~(MII_BCM63XX_IR_DUPLEX |
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MII_BCM63XX_IR_SPEED |
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MII_BCM63XX_IR_LINK) |
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MII_BCM63XX_IR_EN;
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return phy_write(phydev, MII_BCM63XX_IR, reg);
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}
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static struct phy_driver bcm63xx_driver[] = {
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{
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.phy_id = 0x00406000,
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.phy_id_mask = 0xfffffc00,
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.name = "Broadcom BCM63XX (1)",
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/* ASYM_PAUSE bit is marked RO in datasheet, so don't cheat */
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.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
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.flags = PHY_HAS_INTERRUPT | PHY_IS_INTERNAL,
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.config_init = bcm63xx_config_init,
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.config_aneg = genphy_config_aneg,
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.read_status = genphy_read_status,
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.ack_interrupt = bcm_phy_ack_intr,
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.config_intr = bcm_phy_config_intr,
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}, {
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/* same phy as above, with just a different OUI */
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.phy_id = 0x002bdc00,
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.phy_id_mask = 0xfffffc00,
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.name = "Broadcom BCM63XX (2)",
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.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
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.flags = PHY_HAS_INTERRUPT | PHY_IS_INTERNAL,
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.config_init = bcm63xx_config_init,
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.config_aneg = genphy_config_aneg,
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.read_status = genphy_read_status,
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.ack_interrupt = bcm_phy_ack_intr,
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.config_intr = bcm_phy_config_intr,
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} };
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module_phy_driver(bcm63xx_driver);
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static struct mdio_device_id __maybe_unused bcm63xx_tbl[] = {
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{ 0x00406000, 0xfffffc00 },
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{ 0x002bdc00, 0xfffffc00 },
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{ }
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};
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MODULE_DEVICE_TABLE(mdio, bcm63xx_tbl);
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