| David Daney | 0ca2997 | 2012-05-02 15:16:38 +0000 | [diff] [blame] | 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> |
| Pramod Kumar | f20e665 | 2016-06-10 11:03:45 +0530 | [diff] [blame] | 13 | #include <linux/phy.h> |
| David Daney | 0ca2997 | 2012-05-02 15:16:38 +0000 | [diff] [blame] | 14 | |
| Corentin Labbe | 5482a97 | 2017-09-04 18:30:14 +0200 | [diff] [blame] | 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 | */ |
| David Daney | 0ca2997 | 2012-05-02 15:16:38 +0000 | [diff] [blame] | 23 | int mdio_mux_init(struct device *dev, |
| Corentin Labbe | 5482a97 | 2017-09-04 18:30:14 +0200 | [diff] [blame] | 24 | struct device_node *mux_node, |
| David Daney | 0ca2997 | 2012-05-02 15:16:38 +0000 | [diff] [blame] | 25 | int (*switch_fn) (int cur, int desired, void *data), |
| 26 | void **mux_handle, |
| Pramod Kumar | f20e665 | 2016-06-10 11:03:45 +0530 | [diff] [blame] | 27 | void *data, |
| 28 | struct mii_bus *mux_bus); |
| David Daney | 0ca2997 | 2012-05-02 15:16:38 +0000 | [diff] [blame] | 29 | |
| 30 | void mdio_mux_uninit(void *mux_handle); |
| 31 | |
| 32 | #endif /* __LINUX_MDIO_MUX_H */ |