LXR uboot/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 */
  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