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author | Gabor Juhos <juhosg@openwrt.org> | 2008-07-21 17:08:14 +0000 |
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committer | Gabor Juhos <juhosg@openwrt.org> | 2008-07-21 17:08:14 +0000 |
commit | f529a3742043a23da4f715c3664d5a822b1f970c (patch) | |
tree | a4cdaee84e23765d98072df25883f365cbc0d66a /target/linux/ar71xx/files/drivers/net/phy | |
parent | 3d9c4c9073deaf01d592d6940af21be81d92e88a (diff) | |
download | master-31e0f0ae-f529a3742043a23da4f715c3664d5a822b1f970c.tar.gz master-31e0f0ae-f529a3742043a23da4f715c3664d5a822b1f970c.tar.bz2 master-31e0f0ae-f529a3742043a23da4f715c3664d5a822b1f970c.zip |
surprise :p
SVN-Revision: 11894
Diffstat (limited to 'target/linux/ar71xx/files/drivers/net/phy')
-rw-r--r-- | target/linux/ar71xx/files/drivers/net/phy/micrel.c | 82 |
1 files changed, 82 insertions, 0 deletions
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 0000000000..e6516729f6 --- /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 <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * + * 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 <linux/delay.h> +#include <linux/skbuff.h> +#include <linux/phy.h> + +#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 <juhosg@openwrt.org>"); +MODULE_AUTHOR("Imre Kaloz <kaloz@openwrt.org>"); +MODULE_LICENSE("GPL v2"); |