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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/arm/ti/ti_scm.h
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/*-

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 * SPDX-License-Identifier: BSD-4-Clause

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 *

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 * Copyright (c) 2010

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 *	Ben Gray <[email protected]>.

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 * All rights reserved.

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 *

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 * Redistribution and use in source and binary forms, with or without

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 * modification, are permitted provided that the following conditions

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 * are met:

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 * 1. Redistributions of source code must retain the above copyright

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 *    notice, this list of conditions and the following disclaimer.

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 * 2. Redistributions in binary form must reproduce the above copyright

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 *    notice, this list of conditions and the following disclaimer in the

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 *    documentation and/or other materials provided with the distribution.

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 * 3. All advertising materials mentioning features or use of this software

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 *    must display the following acknowledgement:

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 *	This product includes software developed by Ben Gray.

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 * 4. The name of the company nor the name of the author may be used to

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 *    endorse or promote products derived from this software without specific

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 *    prior written permission.

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 *

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 * THIS SOFTWARE IS PROVIDED BY BEN GRAY ``AS IS'' AND ANY EXPRESS OR

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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

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 * IN NO EVENT SHALL BEN GRAY BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;

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 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

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 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF

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 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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 */

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/**

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 *	Functions to configure the PIN multiplexing on the chip.

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 *

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 *	This is different from the GPIO module in that it is used to configure the

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 *	pins between modules not just GPIO input output.

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 *

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 */

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#ifndef _TI_SCM_H_

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#define _TI_SCM_H_

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struct ti_scm_softc {

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	device_t		sc_dev;

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	struct resource *	sc_res[4];

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	bus_space_tag_t		sc_bst;

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	bus_space_handle_t	sc_bsh;

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};

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int ti_scm_reg_read_4(uint32_t reg, uint32_t *val);

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int ti_scm_reg_write_4(uint32_t reg, uint32_t val);

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#endif /* _TI_SCM_H_ */

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