Contributors: 13
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Maxime Bizon |
251 |
66.40% |
1 |
5.56% |
Ioana Ciornei |
42 |
11.11% |
2 |
11.11% |
David Woodhouse |
28 |
7.41% |
1 |
5.56% |
Daniel Gonzalez Cabanelas |
23 |
6.08% |
1 |
5.56% |
Andrew Lunn |
11 |
2.91% |
4 |
22.22% |
Christian Hohnstaedt |
6 |
1.59% |
1 |
5.56% |
Jonas Gorski |
5 |
1.32% |
1 |
5.56% |
Florian Fainelli |
3 |
0.79% |
2 |
11.11% |
Arun Parameswaran |
3 |
0.79% |
1 |
5.56% |
Heiner Kallweit |
2 |
0.53% |
1 |
5.56% |
Johan Hovold |
2 |
0.53% |
1 |
5.56% |
Srinivas Kandagatla |
1 |
0.26% |
1 |
5.56% |
Uwe Kleine-König |
1 |
0.26% |
1 |
5.56% |
Total |
378 |
|
18 |
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Driver for Broadcom 63xx SOCs integrated PHYs
*/
#include "bcm-phy-lib.h"
#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_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) {
err = bcm_phy_ack_intr(phydev);
if (err)
return err;
reg &= ~MII_BCM63XX_IR_GMASK;
err = phy_write(phydev, MII_BCM63XX_IR, reg);
} else {
reg |= MII_BCM63XX_IR_GMASK;
err = phy_write(phydev, MII_BCM63XX_IR, reg);
if (err)
return err;
err = bcm_phy_ack_intr(phydev);
}
return err;
}
static int bcm63xx_config_init(struct phy_device *phydev)
{
int reg, err;
/* ASYM_PAUSE bit is marked RO in datasheet, so don't cheat */
linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, phydev->supported);
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;
return phy_write(phydev, MII_BCM63XX_IR, reg);
}
static struct phy_driver bcm63xx_driver[] = {
{
.phy_id = 0x00406000,
.phy_id_mask = 0xfffffc00,
.name = "Broadcom BCM63XX (1)",
/* PHY_BASIC_FEATURES */
.flags = PHY_IS_INTERNAL,
.config_init = bcm63xx_config_init,
.config_intr = bcm63xx_config_intr,
.handle_interrupt = bcm_phy_handle_interrupt,
}, {
/* same phy as above, with just a different OUI */
.phy_id = 0x002bdc00,
.phy_id_mask = 0xfffffc00,
.name = "Broadcom BCM63XX (2)",
/* PHY_BASIC_FEATURES */
.flags = PHY_IS_INTERNAL,
.config_init = bcm63xx_config_init,
.config_intr = bcm63xx_config_intr,
.handle_interrupt = bcm_phy_handle_interrupt,
} };
module_phy_driver(bcm63xx_driver);
static struct mdio_device_id __maybe_unused bcm63xx_tbl[] = {
{ 0x00406000, 0xfffffc00 },
{ 0x002bdc00, 0xfffffc00 },
{ }
};
MODULE_DEVICE_TABLE(mdio, bcm63xx_tbl);