1/*
 2 * MDIO bus multiplexer framwork.
 3 *
 4 * This file is subject to the terms and conditions of the GNU General Public
 5 * License.  See the file "COPYING" in the main directory of this archive
 6 * for more details.
 7 *
 8 * Copyright (C) 2011, 2012 Cavium, Inc.
 9 */
10#ifndef __LINUX_MDIO_MUX_H
11#define __LINUX_MDIO_MUX_H
12#include <linux/device.h>
13#include <linux/phy.h>
14
15/* mdio_mux_init() - Initialize a MDIO mux
16 * @dev		The device owning the MDIO mux
17 * @mux_node	The device node of the MDIO mux
18 * @switch_fn	The function called for switching target MDIO child
19 * mux_handle	A pointer to a (void *) used internaly by mdio-mux
20 * @data	Private data used by switch_fn()
21 * @mux_bus	An optional parent bus (Other case are to use parent_bus property)
22 */
23int mdio_mux_init(struct device *dev,
24		  struct device_node *mux_node,
25		  int (*switch_fn) (int cur, int desired, void *data),
26		  void **mux_handle,
27		  void *data,
28		  struct mii_bus *mux_bus);
29
30void mdio_mux_uninit(void *mux_handle);
31
32#endif /* __LINUX_MDIO_MUX_H */