xref: /freebsd/sys/dev/clk/rockchip/rk_clk_mux.h (revision 81bee6d793ee9543dc5391d980b0675cbdeb189a)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright 2016 Michal Meloun <mmel@FreeBSD.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 #ifndef _RK_CLK_MUX_H_
29 #define _RK_CLK_MUX_H_
30 
31 #include <dev/clk/clk.h>
32 
33 struct rk_clk_mux_def {
34 	struct clknode_init_def clkdef;
35 	uint32_t		offset;
36 	uint32_t		shift;
37 	uint32_t		width;
38 	int			mux_flags;
39 };
40 
41 #define	RK_CLK_MUX_MASK		0xFFFF0000
42 #define	RK_CLK_MUX_REPARENT	(1 << 0)
43 #define	RK_CLK_MUX_GRF		(1 << 1)
44 
45 int rk_clk_mux_register(struct clkdom *clkdom, struct rk_clk_mux_def *clkdef);
46 
47 #endif /* _RK_CLK_MUX_H_ */
48