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/ut.h>
  14. /* Base test of system controllers */
  15. static int dm_test_syscon_base(struct unit_test_state *uts)
  16. {
  17. struct udevice *dev;
  18. ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
  19. ut_asserteq(SYSCON0, dev->driver_data);
  20. ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev));
  21. ut_asserteq(SYSCON1, dev->driver_data);
  22. ut_asserteq(-ENODEV, uclass_get_device(UCLASS_SYSCON, 2, &dev));
  23. return 0;
  24. }
  25. DM_TEST(dm_test_syscon_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
  26. /* Test system controller finding */
  27. static int dm_test_syscon_by_driver_data(struct unit_test_state *uts)
  28. {
  29. struct udevice *dev;
  30. ut_assertok(syscon_get_by_driver_data(SYSCON0, &dev));
  31. ut_asserteq(SYSCON0, dev->driver_data);
  32. ut_assertok(syscon_get_by_driver_data(SYSCON1, &dev));
  33. ut_asserteq(SYSCON1, dev->driver_data);
  34. ut_asserteq(-ENODEV, syscon_get_by_driver_data(2, &dev));
  35. return 0;
  36. }
  37. DM_TEST(dm_test_syscon_by_driver_data, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
  38. /* Test system controller by phandle */
  39. static int dm_test_syscon_by_phandle(struct unit_test_state *uts)
  40. {
  41. struct udevice *dev;
  42. struct regmap *map;
  43. ut_assertok(uclass_get_device_by_name(UCLASS_TEST_PROBE, "test4",
  44. &dev));
  45. ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev, "first-syscon"));
  46. map = syscon_regmap_lookup_by_phandle(dev, "first-syscon");
  47. ut_assert(map);
  48. ut_assert(!IS_ERR(map));
  49. ut_asserteq(1, map->range_count);
  50. ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev,
  51. "second-sys-ctrl"));
  52. map = syscon_regmap_lookup_by_phandle(dev, "second-sys-ctrl");
  53. ut_assert(map);
  54. ut_assert(!IS_ERR(map));
  55. ut_asserteq(4, map->range_count);
  56. ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev,
  57. "third-syscon"));
  58. map = syscon_regmap_lookup_by_phandle(dev, "third-syscon");
  59. ut_assert(map);
  60. ut_assert(!IS_ERR(map));
  61. ut_asserteq(4, map->range_count);
  62. ut_assert(IS_ERR(syscon_regmap_lookup_by_phandle(dev, "not-present")));
  63. return 0;
  64. }
  65. DM_TEST(dm_test_syscon_by_phandle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);