freebsd-skq/sys/mips/mediatek/fdt_reset.h
Stanislav Galabov 10998af48d This revision adds the following parts:
- machine dependent low level init code
- SoC clocks detection and some utility functions
- Common interface to read/write/modify SoC system control registers, used
  by some of the other drivers and utility functions
- simple FDT resets support, based on the fdt_clock implementation already
  in the tree. For the moment resets and clocks are managed using these
  implementations. I am planning to port those to the new extres framework
  in the future, but currently I simply don't have time to do this part too.

Approved by:	adrian (mentor)
Sponsored by:	Smartcom - Bulgaria AD
Differential Revision:	https://reviews.freebsd.org/D5826
2016-04-07 11:02:49 +00:00

50 lines
1.9 KiB
C

/*-
* Copyright (c) 2016 Stanislav Galabov
* 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_RESET_H
#define DEV_FDT_RESET_H
#include "fdt_reset_if.h"
/*
* Look up "resets" property in consumer's fdt data and assert or deassert all
* configured resets.
*/
int fdt_reset_assert_all(device_t consumer);
int fdt_reset_deassert_all(device_t consumer);
/*
* [Un]register the given device instance as a driver that implements the
* fdt_clock interface.
*/
void fdt_reset_register_provider(device_t provider);
void fdt_reset_unregister_provider(device_t provider);
#endif /* DEV_FDT_RESET_H */