1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2015 Google, Inc
12 #include <linux/err.h>
15 /* Base test of system controllers */
16 static int dm_test_syscon_base(struct unit_test_state *uts)
20 ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
21 ut_asserteq(SYSCON0, dev->driver_data);
23 ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev));
24 ut_asserteq(SYSCON1, dev->driver_data);
26 ut_asserteq(-ENODEV, uclass_get_device(UCLASS_SYSCON, 2, &dev));
30 DM_TEST(dm_test_syscon_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
32 /* Test system controller finding */
33 static int dm_test_syscon_by_driver_data(struct unit_test_state *uts)
37 ut_assertok(syscon_get_by_driver_data(SYSCON0, &dev));
38 ut_asserteq(SYSCON0, dev->driver_data);
40 ut_assertok(syscon_get_by_driver_data(SYSCON1, &dev));
41 ut_asserteq(SYSCON1, dev->driver_data);
43 ut_asserteq(-ENODEV, syscon_get_by_driver_data(2, &dev));
47 DM_TEST(dm_test_syscon_by_driver_data, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
49 /* Test system controller by phandle */
50 static int dm_test_syscon_by_phandle(struct unit_test_state *uts)
55 ut_assertok(uclass_get_device_by_name(UCLASS_TEST_PROBE, "test4",
58 ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev, "first-syscon"));
59 map = syscon_regmap_lookup_by_phandle(dev, "first-syscon");
61 ut_assert(!IS_ERR(map));
62 ut_asserteq(1, map->range_count);
64 ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev,
66 map = syscon_regmap_lookup_by_phandle(dev, "second-sys-ctrl");
68 ut_assert(!IS_ERR(map));
69 ut_asserteq(4, map->range_count);
71 ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev,
73 map = syscon_regmap_lookup_by_phandle(dev, "third-syscon");
75 ut_assert(!IS_ERR(map));
76 ut_asserteq(4, map->range_count);
78 ut_assert(IS_ERR(syscon_regmap_lookup_by_phandle(dev, "not-present")));
82 DM_TEST(dm_test_syscon_by_phandle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);