1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2015 Google, Inc
13 #include <linux/err.h>
16 /* Base test of system controllers */
17 static int dm_test_syscon_base(struct unit_test_state *uts)
21 ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
22 ut_asserteq(SYSCON0, dev->driver_data);
24 ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev));
25 ut_asserteq(SYSCON1, dev->driver_data);
27 ut_asserteq(-ENODEV, uclass_get_device(UCLASS_SYSCON, 2, &dev));
31 DM_TEST(dm_test_syscon_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
33 /* Test system controller finding */
34 static int dm_test_syscon_by_driver_data(struct unit_test_state *uts)
38 ut_assertok(syscon_get_by_driver_data(SYSCON0, &dev));
39 ut_asserteq(SYSCON0, dev->driver_data);
41 ut_assertok(syscon_get_by_driver_data(SYSCON1, &dev));
42 ut_asserteq(SYSCON1, dev->driver_data);
44 ut_asserteq(-ENODEV, syscon_get_by_driver_data(2, &dev));
48 DM_TEST(dm_test_syscon_by_driver_data, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
50 /* Test system controller by phandle */
51 static int dm_test_syscon_by_phandle(struct unit_test_state *uts)
56 ut_assertok(uclass_get_device_by_name(UCLASS_TEST_PROBE, "test4",
59 ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev, "first-syscon"));
60 map = syscon_regmap_lookup_by_phandle(dev, "first-syscon");
62 ut_assert(!IS_ERR(map));
63 ut_asserteq(1, map->range_count);
65 ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev,
67 map = syscon_regmap_lookup_by_phandle(dev, "second-sys-ctrl");
69 ut_assert(!IS_ERR(map));
70 ut_asserteq(4, map->range_count);
72 ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev,
74 map = syscon_regmap_lookup_by_phandle(dev, "third-syscon");
76 ut_assert(!IS_ERR(map));
77 ut_asserteq(4, map->range_count);
79 ut_assert(IS_ERR(syscon_regmap_lookup_by_phandle(dev, "not-present")));
83 DM_TEST(dm_test_syscon_by_phandle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);