1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2016, NVIDIA CORPORATION.
4 */
5
6#include <common.h>
7#include <dm.h>
8#include <log.h>
9#include <malloc.h>
10#include <reset.h>
11#include <asm/io.h>
12#include <asm/reset.h>
13#include <linux/err.h>
14
15struct sandbox_reset_test {
16	struct reset_ctl ctl;
17	struct reset_ctl_bulk bulk;
18
19	struct reset_ctl *ctlp;
20	struct reset_ctl_bulk *bulkp;
21};
22
23int sandbox_reset_test_get(struct udevice *dev)
24{
25	struct sandbox_reset_test *sbrt = dev_get_priv(dev);
26
27	sbrt->ctlp = &sbrt->ctl;
28	return reset_get_by_name(dev, "test", &sbrt->ctl);
29}
30
31int sandbox_reset_test_get_devm(struct udevice *dev)
32{
33	struct sandbox_reset_test *sbrt = dev_get_priv(dev);
34	struct reset_ctl *r;
35
36	r = devm_reset_control_get(dev, "not-a-valid-reset-ctl");
37	if (!IS_ERR(r))
38		return -EINVAL;
39
40	r = devm_reset_control_get_optional(dev, "not-a-valid-reset-ctl");
41	if (r)
42		return -EINVAL;
43
44	sbrt->ctlp = devm_reset_control_get(dev, "test");
45	if (IS_ERR(sbrt->ctlp))
46		return PTR_ERR(sbrt->ctlp);
47
48	return 0;
49}
50
51int sandbox_reset_test_get_bulk(struct udevice *dev)
52{
53	struct sandbox_reset_test *sbrt = dev_get_priv(dev);
54
55	sbrt->bulkp = &sbrt->bulk;
56	return reset_get_bulk(dev, &sbrt->bulk);
57}
58
59int sandbox_reset_test_get_bulk_devm(struct udevice *dev)
60{
61	struct sandbox_reset_test *sbrt = dev_get_priv(dev);
62	struct reset_ctl_bulk *r;
63
64	r = devm_reset_bulk_get_optional(dev);
65	if (IS_ERR(r))
66		return PTR_ERR(r);
67
68	sbrt->bulkp = r;
69	return 0;
70}
71
72int sandbox_reset_test_assert(struct udevice *dev)
73{
74	struct sandbox_reset_test *sbrt = dev_get_priv(dev);
75
76	return reset_assert(sbrt->ctlp);
77}
78
79int sandbox_reset_test_assert_bulk(struct udevice *dev)
80{
81	struct sandbox_reset_test *sbrt = dev_get_priv(dev);
82
83	return reset_assert_bulk(sbrt->bulkp);
84}
85
86int sandbox_reset_test_deassert(struct udevice *dev)
87{
88	struct sandbox_reset_test *sbrt = dev_get_priv(dev);
89
90	return reset_deassert(sbrt->ctlp);
91}
92
93int sandbox_reset_test_deassert_bulk(struct udevice *dev)
94{
95	struct sandbox_reset_test *sbrt = dev_get_priv(dev);
96
97	return reset_deassert_bulk(sbrt->bulkp);
98}
99
100int sandbox_reset_test_free(struct udevice *dev)
101{
102	struct sandbox_reset_test *sbrt = dev_get_priv(dev);
103
104	return reset_free(sbrt->ctlp);
105}
106
107int sandbox_reset_test_release_bulk(struct udevice *dev)
108{
109	struct sandbox_reset_test *sbrt = dev_get_priv(dev);
110
111	return reset_release_bulk(sbrt->bulkp);
112}
113
114static const struct udevice_id sandbox_reset_test_ids[] = {
115	{ .compatible = "sandbox,reset-ctl-test" },
116	{ }
117};
118
119U_BOOT_DRIVER(sandbox_reset_test) = {
120	.name = "sandbox_reset_test",
121	.id = UCLASS_MISC,
122	.of_match = sandbox_reset_test_ids,
123	.priv_auto	= sizeof(struct sandbox_reset_test),
124};
125