From 546b5ed544503182a9b3e981bc11feebd6042b21 Mon Sep 17 00:00:00 2001 From: juhosg Date: Mon, 21 Jul 2008 17:08:14 +0000 Subject: surprise :p git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11894 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- target/linux/ar71xx/files/drivers/net/phy/micrel.c | 82 ++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 target/linux/ar71xx/files/drivers/net/phy/micrel.c (limited to 'target/linux/ar71xx/files/drivers/net/phy') diff --git a/target/linux/ar71xx/files/drivers/net/phy/micrel.c b/target/linux/ar71xx/files/drivers/net/phy/micrel.c new file mode 100644 index 000000000..e6516729f --- /dev/null +++ b/target/linux/ar71xx/files/drivers/net/phy/micrel.c @@ -0,0 +1,82 @@ +/* + * Driver for Micrel/Kendin PHYs + * + * Copyright (c) 2008 Gabor Juhos + * Copyright (C) 2008 Imre Kaloz + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + */ + +#include +#include +#include + +#define KSZ_REG_INT_CTRL 0x1b + +#define KSZ_INT_LU_EN (1 << 8) /* enable Link Up interrupt */ +#define KSZ_INT_RF_EN (1 << 9) /* enable Remote Fault interrupt */ +#define KSZ_INT_LD_EN (1 << 10) /* enable Link Down interrupt */ + +#define KSZ_INT_INIT (KSZ_INT_LU_EN | KSZ_INT_LD_EN) + +static int ksz8041_ack_interrupt(struct phy_device *phydev) +{ + int err; + + err = phy_read(phydev, KSZ_REG_INT_CTRL); + + return (err < 0) ? err : 0; +} + +static int ksz8041_config_intr(struct phy_device *phydev) +{ + int err; + + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + err = phy_write(phydev, KSZ_REG_INT_CTRL, + KSZ_INT_INIT); + else + err = phy_write(phydev, KSZ_REG_INT_CTRL, 0); + + return err; +} + +static struct phy_driver ksz8041_phy_driver = { + .phy_id = 0x00221512, + .name = "Micrel/Kendin KSZ8041", + .phy_id_mask = 0x001fffff, + .features = PHY_BASIC_FEATURES, + .flags = PHY_HAS_INTERRUPT, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = ksz8041_ack_interrupt, + .config_intr = ksz8041_config_intr, + .driver = { + .owner = THIS_MODULE, + }, +}; + +static int __init micrel_phy_init(void) +{ + int ret; + + ret = phy_driver_register(&ksz8041_phy_driver); + + return ret; +} + +static void __exit micrel_phy_exit(void) +{ + phy_driver_unregister(&ksz8041_phy_driver); +} + +module_init(micrel_phy_init); +module_exit(micrel_phy_exit); + +MODULE_DESCRIPTION("Micrel/Kendin PHY driver"); +MODULE_AUTHOR("Gabor Juhos "); +MODULE_AUTHOR("Imre Kaloz "); +MODULE_LICENSE("GPL v2"); -- cgit v1.2.3