first commit

1 files changed, 60 insertions, 0 deletions

diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h
new file mode 100644
index 000000000..8163107b9
--- /dev/null
+++ b/include/linux/of_mdio.h
@@ -0,0 +1,60 @@
+/*
+ * OF helpers for the MDIO (Ethernet PHY) API
+ *
+ * Copyright (c) 2009 Secret Lab Technologies, Ltd.
+ *
+ * This file is released under the GPLv2
+ */
+
+#ifndef __LINUX_OF_MDIO_H
+#define __LINUX_OF_MDIO_H
+
+#include <linux/phy.h>
+#include <linux/of.h>
+
+#ifdef CONFIG_OF
+extern int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np);
+extern struct phy_device *of_phy_find_device(struct device_node *phy_np);
+extern struct phy_device *of_phy_connect(struct net_device *dev,
+					 struct device_node *phy_np,
+					 void (*hndlr)(struct net_device *),
+					 u32 flags, phy_interface_t iface);
+extern struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
+					 void (*hndlr)(struct net_device *),
+					 phy_interface_t iface);
+
+extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
+
+#else /* CONFIG_OF */
+static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
+{
+	return -ENOSYS;
+}
+
+static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
+{
+	return NULL;
+}
+
+static inline struct phy_device *of_phy_connect(struct net_device *dev,
+						struct device_node *phy_np,
+						void (*hndlr)(struct net_device *),
+						u32 flags, phy_interface_t iface)
+{
+	return NULL;
+}
+
+static inline struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
+							   void (*hndlr)(struct net_device *),
+							   phy_interface_t iface)
+{
+	return NULL;
+}
+
+static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
+{
+	return NULL;
+}
+#endif /* CONFIG_OF */
+
+#endif /* __LINUX_OF_MDIO_H */