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