xref: /netbsd-src/sys/arch/arm/amlogic/meson_clk_fixed.c (revision 912cfa1495a89368f5a8d2bccc65e0959dcd414a)
1*912cfa14Sjmcneill /* $NetBSD: meson_clk_fixed.c,v 1.1 2019/01/19 20:56:03 jmcneill Exp $ */
2*912cfa14Sjmcneill 
3*912cfa14Sjmcneill /*-
4*912cfa14Sjmcneill  * Copyright (c) 2019 Jared McNeill <jmcneill@invisible.ca>
5*912cfa14Sjmcneill  * All rights reserved.
6*912cfa14Sjmcneill  *
7*912cfa14Sjmcneill  * Redistribution and use in source and binary forms, with or without
8*912cfa14Sjmcneill  * modification, are permitted provided that the following conditions
9*912cfa14Sjmcneill  * are met:
10*912cfa14Sjmcneill  * 1. Redistributions of source code must retain the above copyright
11*912cfa14Sjmcneill  *    notice, this list of conditions and the following disclaimer.
12*912cfa14Sjmcneill  * 2. Redistributions in binary form must reproduce the above copyright
13*912cfa14Sjmcneill  *    notice, this list of conditions and the following disclaimer in the
14*912cfa14Sjmcneill  *    documentation and/or other materials provided with the distribution.
15*912cfa14Sjmcneill  *
16*912cfa14Sjmcneill  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17*912cfa14Sjmcneill  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18*912cfa14Sjmcneill  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19*912cfa14Sjmcneill  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20*912cfa14Sjmcneill  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21*912cfa14Sjmcneill  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22*912cfa14Sjmcneill  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23*912cfa14Sjmcneill  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24*912cfa14Sjmcneill  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25*912cfa14Sjmcneill  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26*912cfa14Sjmcneill  * SUCH DAMAGE.
27*912cfa14Sjmcneill  */
28*912cfa14Sjmcneill 
29*912cfa14Sjmcneill #include <sys/cdefs.h>
30*912cfa14Sjmcneill __KERNEL_RCSID(0, "$NetBSD: meson_clk_fixed.c,v 1.1 2019/01/19 20:56:03 jmcneill Exp $");
31*912cfa14Sjmcneill 
32*912cfa14Sjmcneill #include <sys/param.h>
33*912cfa14Sjmcneill #include <sys/bus.h>
34*912cfa14Sjmcneill 
35*912cfa14Sjmcneill #include <dev/clk/clk_backend.h>
36*912cfa14Sjmcneill 
37*912cfa14Sjmcneill #include <arm/amlogic/meson_clk.h>
38*912cfa14Sjmcneill 
39*912cfa14Sjmcneill u_int
meson_clk_fixed_get_rate(struct meson_clk_softc * sc,struct meson_clk_clk * clk)40*912cfa14Sjmcneill meson_clk_fixed_get_rate(struct meson_clk_softc *sc, struct meson_clk_clk *clk)
41*912cfa14Sjmcneill {
42*912cfa14Sjmcneill 	struct meson_clk_fixed *fixed = &clk->u.fixed;
43*912cfa14Sjmcneill 
44*912cfa14Sjmcneill 	KASSERT(clk->type == MESON_CLK_FIXED);
45*912cfa14Sjmcneill 
46*912cfa14Sjmcneill 	return fixed->rate;
47*912cfa14Sjmcneill }
48