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