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Diffstat (limited to 'include/linux/mdio-mux.h')
| -rw-r--r-- | include/linux/mdio-mux.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/linux/mdio-mux.h b/include/linux/mdio-mux.h new file mode 100644 index 000000000..a5d58f221 --- /dev/null +++ b/include/linux/mdio-mux.h @@ -0,0 +1,32 @@ +/* + * 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 */ |