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 <syscon.h>
9 #include <regmap.h>
10 #include <asm/test.h>
11 #include <dm/test.h>
12 #include <test/ut.h>
13
14 /* Base test of system controllers */
dm_test_syscon_base(struct unit_test_state * uts)15 static int dm_test_syscon_base(struct unit_test_state *uts)
16 {
17 struct udevice *dev;
18
19 ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
20 ut_asserteq(SYSCON0, dev->driver_data);
21
22 ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev));
23 ut_asserteq(SYSCON1, dev->driver_data);
24
25 ut_asserteq(-ENODEV, uclass_get_device(UCLASS_SYSCON, 2, &dev));
26
27 return 0;
28 }
29 DM_TEST(dm_test_syscon_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
30
31 /* Test system controller finding */
dm_test_syscon_by_driver_data(struct unit_test_state * uts)32 static int dm_test_syscon_by_driver_data(struct unit_test_state *uts)
33 {
34 struct udevice *dev;
35
36 ut_assertok(syscon_get_by_driver_data(SYSCON0, &dev));
37 ut_asserteq(SYSCON0, dev->driver_data);
38
39 ut_assertok(syscon_get_by_driver_data(SYSCON1, &dev));
40 ut_asserteq(SYSCON1, dev->driver_data);
41
42 ut_asserteq(-ENODEV, syscon_get_by_driver_data(2, &dev));
43
44 return 0;
45 }
46 DM_TEST(dm_test_syscon_by_driver_data, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
47
48 /* Test system controller by phandle */
dm_test_syscon_by_phandle(struct unit_test_state * uts)49 static int dm_test_syscon_by_phandle(struct unit_test_state *uts)
50 {
51 struct udevice *dev;
52 struct regmap *map;
53
54 ut_assertok(uclass_get_device_by_name(UCLASS_TEST_PROBE, "test4",
55 &dev));
56
57 ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev, "first-syscon"));
58 map = syscon_regmap_lookup_by_phandle(dev, "first-syscon");
59 ut_assert(map);
60 ut_assert(!IS_ERR(map));
61 ut_asserteq(1, map->range_count);
62
63 ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev,
64 "second-sys-ctrl"));
65 map = syscon_regmap_lookup_by_phandle(dev, "second-sys-ctrl");
66 ut_assert(map);
67 ut_assert(!IS_ERR(map));
68 ut_asserteq(4, map->range_count);
69
70 ut_assert(IS_ERR(syscon_regmap_lookup_by_phandle(dev, "not-present")));
71
72 return 0;
73 }
74 DM_TEST(dm_test_syscon_by_phandle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
75