syscon.c
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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2015 Google, Inc
*/
#include <common.h>
#include <dm.h>
#include <syscon.h>
#include <regmap.h>
#include <asm/test.h>
#include <dm/test.h>
#include <test/ut.h>
/* Base test of system controllers */
static int dm_test_syscon_base(struct unit_test_state *uts)
{
struct udevice *dev;
ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
ut_asserteq(SYSCON0, dev->driver_data);
ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev));
ut_asserteq(SYSCON1, dev->driver_data);
ut_asserteq(-ENODEV, uclass_get_device(UCLASS_SYSCON, 2, &dev));
return 0;
}
DM_TEST(dm_test_syscon_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/* Test system controller finding */
static int dm_test_syscon_by_driver_data(struct unit_test_state *uts)
{
struct udevice *dev;
ut_assertok(syscon_get_by_driver_data(SYSCON0, &dev));
ut_asserteq(SYSCON0, dev->driver_data);
ut_assertok(syscon_get_by_driver_data(SYSCON1, &dev));
ut_asserteq(SYSCON1, dev->driver_data);
ut_asserteq(-ENODEV, syscon_get_by_driver_data(2, &dev));
return 0;
}
DM_TEST(dm_test_syscon_by_driver_data, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/* Test system controller by phandle */
static int dm_test_syscon_by_phandle(struct unit_test_state *uts)
{
struct udevice *dev;
struct regmap *map;
ut_assertok(uclass_get_device_by_name(UCLASS_TEST_PROBE, "test4",
&dev));
ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev, "first-syscon"));
map = syscon_regmap_lookup_by_phandle(dev, "first-syscon");
ut_assert(map);
ut_assert(!IS_ERR(map));
ut_asserteq(1, map->range_count);
ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev,
"second-sys-ctrl"));
map = syscon_regmap_lookup_by_phandle(dev, "second-sys-ctrl");
ut_assert(map);
ut_assert(!IS_ERR(map));
ut_asserteq(4, map->range_count);
ut_assert(IS_ERR(syscon_regmap_lookup_by_phandle(dev, "not-present")));
return 0;
}
DM_TEST(dm_test_syscon_by_phandle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);