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/cdefs.h>
29 #include <sys/param.h>
30 #include <sys/bus.h>
31 #include <sys/kernel.h>
32 #include <sys/module.h>
33 #include <sys/mutex.h>
34 #include <sys/rman.h>
35 #include <machine/bus.h>
36
37 #include <dev/fdt/simplebus.h>
38
39 #include <dev/extres/clk/clk.h>
40 #include <dev/extres/clk/clk_div.h>
41 #include <dev/extres/clk/clk_fixed.h>
42 #include <dev/extres/clk/clk_gate.h>
43 #include <dev/extres/clk/clk_mux.h>
44
45 #include <dev/ofw/ofw_bus.h>
46 #include <dev/ofw/ofw_bus_subr.h>
47
48 #include "clkdev_if.h"
49 #include "periph.h"
50
51 int
a37x0_periph_create_mux(struct clkdom * clkdom,struct clk_mux_def * mux,int id)52 a37x0_periph_create_mux(struct clkdom *clkdom,
53 struct clk_mux_def *mux, int id)
54 {
55 int error;
56
57 mux->clkdef.id = id;
58
59 error = clknode_mux_register(clkdom, mux);
60 if (error != 0) {
61 printf("Failed to create %s: %d\n", mux->clkdef.name, error);
62 return (error);
63 }
64
65 return (0);
66 }
67
68 int
a37x0_periph_create_div(struct clkdom * clkdom,struct clk_div_def * div,int id)69 a37x0_periph_create_div(struct clkdom *clkdom,
70 struct clk_div_def *div, int id)
71 {
72 int error;
73
74 div->clkdef.id = id;
75
76 error = clknode_div_register(clkdom, div);
77 if (error != 0) {
78 printf("Failed to register %s: %d\n", div->clkdef.name, error);
79 return (error);
80 }
81
82 return (0);
83 }
84
85 int
a37x0_periph_create_gate(struct clkdom * clkdom,struct clk_gate_def * gate,int id)86 a37x0_periph_create_gate(struct clkdom *clkdom,
87 struct clk_gate_def *gate, int id)
88 {
89 int error;
90
91 gate->clkdef.id = id;
92
93 error = clknode_gate_register(clkdom, gate);
94 if (error != 0) {
95 printf("Failed to create %s:%d\n", gate->clkdef.name, error);
96 return (error);
97 }
98
99 return (0);
100 }
101
102 void
a37x0_periph_set_props(struct clknode_init_def * clkdef,const char ** parent_names,unsigned int parent_cnt)103 a37x0_periph_set_props(struct clknode_init_def *clkdef,
104 const char **parent_names, unsigned int parent_cnt)
105 {
106
107 clkdef->parent_names = parent_names;
108 clkdef->parent_cnt = parent_cnt;
109 }
110
111