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 | */ |
23 | int 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 | |
30 | void mdio_mux_uninit(void *mux_handle); |
31 | |
32 | #endif /* __LINUX_MDIO_MUX_H */ |
33 | |