1/*-
2 * Copyright (c) 2019 Emmanuel Vadot <manu@freebsd.org>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
18 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
20 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
21 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#ifndef	__AW_CLK_FRAC_H__
27#define __AW_CLK_FRAC_H__
28
29#include <dev/clk/clk.h>
30
31struct aw_clk_frac_def {
32	struct clknode_init_def clkdef;
33	uint32_t		offset;
34
35	struct aw_clk_factor	m;
36	struct aw_clk_factor	n;
37	struct aw_clk_frac	frac;
38
39	uint64_t		min_freq;
40	uint64_t		max_freq;
41
42	uint32_t		mux_shift;
43	uint32_t		mux_width;
44	uint32_t		gate_shift;
45	uint32_t		lock_shift;
46	uint32_t		lock_retries;
47
48	uint32_t		flags;
49};
50
51int	aw_clk_frac_register(struct clkdom *clkdom, struct aw_clk_frac_def *clkdef);
52
53#endif /* __AW_CLK_FRAC_H__ */
54