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authorjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-03-15 09:25:53 +0000
committerjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-03-15 09:25:53 +0000
commit263a705cc66a4899562a43ab51c42939d963f8e9 (patch)
tree5646adfc060b75071b8d89b96236a019503dff81 /target/linux/generic/files
parentd434128dd182fc55828b3a9c54770d6910d19e0c (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.c83
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 000000000..1499d4ace
--- /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");