test/dm/syscon.c

   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 */
  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, UT_TESTF_SCAN_PDATA | UT_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, UT_TESTF_SCAN_PDATA | UT_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_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 }
  84 DM_TEST(dm_test_syscon_by_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);