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

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");