diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/phy/Kconfig | 5 | ||||
| -rw-r--r-- | drivers/net/phy/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/phy/realtek.c | 80 |
3 files changed, 86 insertions, 0 deletions
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 7fe03ce774b..f4ca0591231 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -60,6 +60,11 @@ config ICPLUS_PHY ---help--- Currently supports the IP175C PHY. +config REALTEK_PHY + tristate "Drivers for Realtek PHYs" + ---help--- + Supports the Realtek 821x PHY. + config FIXED_PHY bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs" ---help--- diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index 3d6cc7b67a8..5997d6ef702 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -12,5 +12,6 @@ obj-$(CONFIG_SMSC_PHY) += smsc.o obj-$(CONFIG_VITESSE_PHY) += vitesse.o obj-$(CONFIG_BROADCOM_PHY) += broadcom.o obj-$(CONFIG_ICPLUS_PHY) += icplus.o +obj-$(CONFIG_REALTEK_PHY) += realtek.o obj-$(CONFIG_FIXED_PHY) += fixed.o obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c new file mode 100644 index 00000000000..a052a6744a5 --- /dev/null +++ b/drivers/net/phy/realtek.c @@ -0,0 +1,80 @@ +/* + * drivers/net/phy/realtek.c + * + * Driver for Realtek PHYs + * + * Author: Johnson Leung <r58129@freescale.com> + * + * Copyright (c) 2004 Freescale Semiconductor, Inc. + * + * 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/phy.h> + +#define RTL821x_PHYSR 0x11 +#define RTL821x_PHYSR_DUPLEX 0x2000 +#define RTL821x_PHYSR_SPEED 0xc000 +#define RTL821x_INER 0x12 +#define RTL821x_INER_INIT 0x6400 +#define RTL821x_INSR 0x13 + +MODULE_DESCRIPTION("Realtek PHY driver"); +MODULE_AUTHOR("Johnson Leung"); +MODULE_LICENSE("GPL"); + +static int rtl821x_ack_interrupt(struct phy_device *phydev) +{ + int err; + + err = phy_read(phydev, RTL821x_INSR); + + return (err < 0) ? err : 0; +} + +static int rtl821x_config_intr(struct phy_device *phydev) +{ + int err; + + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + err = phy_write(phydev, RTL821x_INER, + RTL821x_INER_INIT); + else + err = phy_write(phydev, RTL821x_INER, 0); + + return err; +} + +/* RTL8211B */ +static struct phy_driver rtl821x_driver = { + .phy_id = 0x001cc912, + .name = "RTL821x Gigabit Ethernet", + .phy_id_mask = 0x001fffff, + .features = PHY_GBIT_FEATURES, + .flags = PHY_HAS_INTERRUPT, + .config_aneg = &genphy_config_aneg, + .read_status = &genphy_read_status, + .ack_interrupt = &rtl821x_ack_interrupt, + .config_intr = &rtl821x_config_intr, + .driver = { .owner = THIS_MODULE,}, +}; + +static int __init realtek_init(void) +{ + int ret; + + ret = phy_driver_register(&rtl821x_driver); + + return ret; +} + +static void __exit realtek_exit(void) +{ + phy_driver_unregister(&rtl821x_driver); +} + +module_init(realtek_init); +module_exit(realtek_exit); |