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/*-
* Copyright (c) 2014 Ian Lepore <ian@freebsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef DEV_FDT_CLOCK_H
#define DEV_FDT_CLOCK_H
#include "fdt_clock_if.h"
/*
* Get info about the Nth clock listed in consumer's "clocks" property.
*
* Returns 0 on success, ENXIO if clock #n not found.
*/
int fdt_clock_get_info(device_t consumer, int n, struct fdt_clock_info *info);
/*
* Look up "clocks" property in consumer's fdt data and enable or disable all
* configured clocks.
*/
int fdt_clock_enable_all(device_t consumer);
int fdt_clock_disable_all(device_t consumer);
/*
* [Un]register the given device instance as a driver that implements the
* fdt_clock interface.
*/
void fdt_clock_register_provider(device_t provider);
void fdt_clock_unregister_provider(device_t provider);
#endif /* DEV_FDT_CLOCK_H */
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