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