summaryrefslogtreecommitdiff
path: root/drivers/reset/sandbox-reset-test.c
blob: 64c205596c5ec327f75b5d7881fed89eebdd47b5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2016, NVIDIA CORPORATION.
 */

#include <dm.h>
#include <log.h>
#include <malloc.h>
#include <reset.h>
#include <asm/io.h>
#include <asm/reset.h>
#include <linux/err.h>

struct sandbox_reset_test {
	struct reset_ctl ctl;
	struct reset_ctl_bulk bulk;

	struct reset_ctl *ctlp;
	struct reset_ctl_bulk *bulkp;
};

int sandbox_reset_test_get(struct udevice *dev)
{
	struct sandbox_reset_test *sbrt = dev_get_priv(dev);

	sbrt->ctlp = &sbrt->ctl;
	return reset_get_by_name(dev, "test", &sbrt->ctl);
}

int sandbox_reset_test_get_devm(struct udevice *dev)
{
	struct sandbox_reset_test *sbrt = dev_get_priv(dev);
	struct reset_ctl *r;

	r = devm_reset_control_get(dev, "not-a-valid-reset-ctl");
	if (!IS_ERR(r))
		return -EINVAL;

	r = devm_reset_control_get_optional(dev, "not-a-valid-reset-ctl");
	if (r)
		return -EINVAL;

	sbrt->ctlp = devm_reset_control_get(dev, "test");
	if (IS_ERR(sbrt->ctlp))
		return PTR_ERR(sbrt->ctlp);

	return 0;
}

int sandbox_reset_test_get_bulk(struct udevice *dev)
{
	struct sandbox_reset_test *sbrt = dev_get_priv(dev);

	sbrt->bulkp = &sbrt->bulk;
	return reset_get_bulk(dev, &sbrt->bulk);
}

int sandbox_reset_test_get_bulk_devm(struct udevice *dev)
{
	struct sandbox_reset_test *sbrt = dev_get_priv(dev);
	struct reset_ctl_bulk *r;

	r = devm_reset_bulk_get_optional(dev);
	if (IS_ERR(r))
		return PTR_ERR(r);

	sbrt->bulkp = r;
	return 0;
}

int sandbox_reset_test_assert(struct udevice *dev)
{
	struct sandbox_reset_test *sbrt = dev_get_priv(dev);

	return reset_assert(sbrt->ctlp);
}

int sandbox_reset_test_assert_bulk(struct udevice *dev)
{
	struct sandbox_reset_test *sbrt = dev_get_priv(dev);

	return reset_assert_bulk(sbrt->bulkp);
}

int sandbox_reset_test_deassert(struct udevice *dev)
{
	struct sandbox_reset_test *sbrt = dev_get_priv(dev);

	return reset_deassert(sbrt->ctlp);
}

int sandbox_reset_test_deassert_bulk(struct udevice *dev)
{
	struct sandbox_reset_test *sbrt = dev_get_priv(dev);

	return reset_deassert_bulk(sbrt->bulkp);
}

int sandbox_reset_test_reset(struct udevice *dev)
{
	struct sandbox_reset_test *sbrt = dev_get_priv(dev);

	return reset_reset(sbrt->ctlp, 0);
}

int sandbox_reset_test_reset_bulk(struct udevice *dev)
{
	struct sandbox_reset_test *sbrt = dev_get_priv(dev);

	return reset_reset_bulk(sbrt->bulkp, 0);
}

int sandbox_reset_test_free(struct udevice *dev)
{
	struct sandbox_reset_test *sbrt = dev_get_priv(dev);

	return reset_free(sbrt->ctlp);
}

int sandbox_reset_test_release_bulk(struct udevice *dev)
{
	struct sandbox_reset_test *sbrt = dev_get_priv(dev);

	return reset_release_bulk(sbrt->bulkp);
}

static const struct udevice_id sandbox_reset_test_ids[] = {
	{ .compatible = "sandbox,reset-ctl-test" },
	{ }
};

U_BOOT_DRIVER(sandbox_reset_test) = {
	.name = "sandbox_reset_test",
	.id = UCLASS_MISC,
	.of_match = sandbox_reset_test_ids,
	.priv_auto	= sizeof(struct sandbox_reset_test),
};