syscon.c 2.2 KB

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