1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2021 Semihalf.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 #include <sys/param.h>
29 #include <sys/bus.h>
30 #include <sys/kernel.h>
31 #include <sys/module.h>
32 #include <sys/mutex.h>
33 #include <sys/rman.h>
34 #include <machine/bus.h>
35
36 #include <dev/fdt/simplebus.h>
37
38 #include <dev/clk/clk.h>
39 #include <dev/clk/clk_div.h>
40 #include <dev/clk/clk_fixed.h>
41 #include <dev/clk/clk_gate.h>
42 #include <dev/clk/clk_mux.h>
43
44 #include <dev/ofw/ofw_bus.h>
45 #include <dev/ofw/ofw_bus_subr.h>
46
47 #include "clkdev_if.h"
48 #include "periph.h"
49
50 int
a37x0_periph_create_mux(struct clkdom * clkdom,struct clk_mux_def * mux,int id)51 a37x0_periph_create_mux(struct clkdom *clkdom,
52 struct clk_mux_def *mux, int id)
53 {
54 int error;
55
56 mux->clkdef.id = id;
57
58 error = clknode_mux_register(clkdom, mux);
59 if (error != 0) {
60 printf("Failed to create %s: %d\n", mux->clkdef.name, error);
61 return (error);
62 }
63
64 return (0);
65 }
66
67 int
a37x0_periph_create_div(struct clkdom * clkdom,struct clk_div_def * div,int id)68 a37x0_periph_create_div(struct clkdom *clkdom,
69 struct clk_div_def *div, int id)
70 {
71 int error;
72
73 div->clkdef.id = id;
74
75 error = clknode_div_register(clkdom, div);
76 if (error != 0) {
77 printf("Failed to register %s: %d\n", div->clkdef.name, error);
78 return (error);
79 }
80
81 return (0);
82 }
83
84 int
a37x0_periph_create_gate(struct clkdom * clkdom,struct clk_gate_def * gate,int id)85 a37x0_periph_create_gate(struct clkdom *clkdom,
86 struct clk_gate_def *gate, int id)
87 {
88 int error;
89
90 gate->clkdef.id = id;
91
92 error = clknode_gate_register(clkdom, gate);
93 if (error != 0) {
94 printf("Failed to create %s:%d\n", gate->clkdef.name, error);
95 return (error);
96 }
97
98 return (0);
99 }
100
101 void
a37x0_periph_set_props(struct clknode_init_def * clkdef,const char ** parent_names,unsigned int parent_cnt)102 a37x0_periph_set_props(struct clknode_init_def *clkdef,
103 const char **parent_names, unsigned int parent_cnt)
104 {
105
106 clkdef->parent_names = parent_names;
107 clkdef->parent_cnt = parent_cnt;
108 }
109
110