diff options
author | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-03-15 09:25:53 +0000 |
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committer | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-03-15 09:25:53 +0000 |
commit | 263a705cc66a4899562a43ab51c42939d963f8e9 (patch) | |
tree | 5646adfc060b75071b8d89b96236a019503dff81 /target/linux/generic/files | |
parent | d434128dd182fc55828b3a9c54770d6910d19e0c (diff) |
ar71xx: move micrel PHY driver to the generic linux target
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30946 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/files')
-rw-r--r-- | target/linux/generic/files/drivers/net/phy/micrel.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/target/linux/generic/files/drivers/net/phy/micrel.c b/target/linux/generic/files/drivers/net/phy/micrel.c new file mode 100644 index 0000000000..1499d4ace4 --- /dev/null +++ b/target/linux/generic/files/drivers/net/phy/micrel.c @@ -0,0 +1,83 @@ +/* + * Driver for Micrel/Kendin PHYs + * + * Copyright (c) 2008-2009 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/module.h> +#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 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) +{ + return phy_driver_register(&ksz8041_phy_driver); +} + +static void __exit micrel_phy_exit(void) +{ + phy_driver_unregister(&ksz8041_phy_driver); +} + +#ifdef MODULE +module_init(micrel_phy_init); +module_exit(micrel_phy_exit); +#else +subsys_initcall(micrel_phy_init); +#endif + +MODULE_DESCRIPTION("Micrel/Kendin PHY driver"); +MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>"); +MODULE_AUTHOR("Imre Kaloz <kaloz@openwrt.org>"); +MODULE_LICENSE("GPL v2"); |