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 */ 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 */ 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 */ 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