[mirror_ubuntu-bionic-kernel.git] / include / linux / mdio-mux.h

/*
 * MDIO bus multiplexer framwork.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 2011, 2012 Cavium, Inc.
 */
#ifndef __LINUX_MDIO_MUX_H
#define __LINUX_MDIO_MUX_H
#include <linux/device.h>
#include <linux/phy.h>

/* mdio_mux_init() - Initialize a MDIO mux
 * @dev		The device owning the MDIO mux
 * @mux_node	The device node of the MDIO mux
 * @switch_fn	The function called for switching target MDIO child
 * mux_handle	A pointer to a (void *) used internaly by mdio-mux
 * @data	Private data used by switch_fn()
 * @mux_bus	An optional parent bus (Other case are to use parent_bus property)
 */
int mdio_mux_init(struct device *dev,
		  struct device_node *mux_node,
		  int (*switch_fn) (int cur, int desired, void *data),
		  void **mux_handle,
		  void *data,
		  struct mii_bus *mux_bus);

void mdio_mux_uninit(void *mux_handle);

#endif /* __LINUX_MDIO_MUX_H */
Commit	Line	Data
0ca2997d DD	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>
f20e6657	13	#include <linux/phy.h>
0ca2997d	14
5482a978 CL	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	*/
0ca2997d	23	int mdio_mux_init(struct device *dev,
5482a978	24	struct device_node *mux_node,
0ca2997d DD	25	int (switch_fn) (int cur, int desired, void data),
0ca2997d DD	26	void **mux_handle,
f20e6657 PK	27	void *data,
f20e6657 PK	28	struct mii_bus *mux_bus);
0ca2997d DD	29
	30	void mdio_mux_uninit(void *mux_handle);
	31
	32	#endif /* __LINUX_MDIO_MUX_H */