1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2015 Google, Inc
4 */
5
6#include <common.h>
7#include <dm.h>
8#include <log.h>
9#include <syscon.h>
10#include <regmap.h>
11#include <asm/test.h>
12#include <dm/test.h>
13#include <linux/err.h>
14#include <test/test.h>
15#include <test/ut.h>
16
17/* Base test of system controllers */
18static int dm_test_syscon_base(struct unit_test_state *uts)
19{
20	struct udevice *dev;
21
22	ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
23	ut_asserteq(SYSCON0, dev->driver_data);
24
25	ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev));
26	ut_asserteq(SYSCON1, dev->driver_data);
27
28	ut_asserteq(-ENODEV, uclass_get_device(UCLASS_SYSCON, 2, &dev));
29
30	return 0;
31}
32DM_TEST(dm_test_syscon_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
33
34/* Test system controller finding */
35static int dm_test_syscon_by_driver_data(struct unit_test_state *uts)
36{
37	struct udevice *dev;
38
39	ut_assertok(syscon_get_by_driver_data(SYSCON0, &dev));
40	ut_asserteq(SYSCON0, dev->driver_data);
41
42	ut_assertok(syscon_get_by_driver_data(SYSCON1, &dev));
43	ut_asserteq(SYSCON1, dev->driver_data);
44
45	ut_asserteq(-ENODEV, syscon_get_by_driver_data(2, &dev));
46
47	return 0;
48}
49DM_TEST(dm_test_syscon_by_driver_data, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
50
51/* Test system controller by phandle */
52static int dm_test_syscon_by_phandle(struct unit_test_state *uts)
53{
54	struct udevice *dev;
55	struct regmap *map;
56
57	ut_assertok(uclass_get_device_by_name(UCLASS_TEST_PROBE, "test4",
58					      &dev));
59
60	ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev, "first-syscon"));
61	map = syscon_regmap_lookup_by_phandle(dev, "first-syscon");
62	ut_assert(map);
63	ut_assert(!IS_ERR(map));
64	ut_asserteq(1, map->range_count);
65
66	ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev,
67							"second-sys-ctrl"));
68	map = syscon_regmap_lookup_by_phandle(dev, "second-sys-ctrl");
69	ut_assert(map);
70	ut_assert(!IS_ERR(map));
71	ut_asserteq(4, map->range_count);
72
73	ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev,
74							"third-syscon"));
75	map = syscon_regmap_lookup_by_phandle(dev, "third-syscon");
76	ut_assert(map);
77	ut_assert(!IS_ERR(map));
78	ut_asserteq(4, map->range_count);
79
80	ut_assert(IS_ERR(syscon_regmap_lookup_by_phandle(dev, "not-present")));
81
82	return 0;
83}
84DM_TEST(dm_test_syscon_by_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
85