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 <log.h> 9#include <syscon.h> 10#include <regmap.h> 11#include <asm/test.h> 12#include <dm/test.h> 13#include <linux/err.h> 14#include <test/test.h> 15#include <test/ut.h> 16 17/* Base test of system controllers */ 18static 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} 32DM_TEST(dm_test_syscon_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); 33 34/* Test system controller finding */ 35static 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} 49DM_TEST(dm_test_syscon_by_driver_data, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); 50 51/* Test system controller by phandle */ 52static 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_assertok_ptr(syscon_regmap_lookup_by_phandle(dev, 74 "third-syscon")); 75 map = syscon_regmap_lookup_by_phandle(dev, "third-syscon"); 76 ut_assert(map); 77 ut_assert(!IS_ERR(map)); 78 ut_asserteq(4, map->range_count); 79 80 ut_assert(IS_ERR(syscon_regmap_lookup_by_phandle(dev, "not-present"))); 81 82 return 0; 83} 84DM_TEST(dm_test_syscon_by_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); 85