44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2017 Google, Inc
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <pwm.h>
|
|
#include <asm/test.h>
|
|
#include <dm/test.h>
|
|
#include <test/test.h>
|
|
#include <test/ut.h>
|
|
|
|
/* Basic test of the pwm uclass */
|
|
static int dm_test_pwm_base(struct unit_test_state *uts)
|
|
{
|
|
struct udevice *dev;
|
|
uint period_ns;
|
|
uint duty_ns;
|
|
bool enable;
|
|
bool polarity;
|
|
|
|
ut_assertok(uclass_get_device(UCLASS_PWM, 0, &dev));
|
|
ut_assertnonnull(dev);
|
|
ut_assertok(pwm_set_config(dev, 0, 100, 50));
|
|
ut_assertok(pwm_set_enable(dev, 0, true));
|
|
ut_assertok(pwm_set_enable(dev, 1, true));
|
|
ut_assertok(pwm_set_enable(dev, 2, true));
|
|
ut_asserteq(-ENOSPC, pwm_set_enable(dev, 3, true));
|
|
ut_assertok(pwm_set_invert(dev, 0, true));
|
|
|
|
ut_assertok(pwm_set_config(dev, 2, 100, 50));
|
|
ut_assertok(sandbox_pwm_get_config(dev, 2, &period_ns, &duty_ns,
|
|
&enable, &polarity));
|
|
ut_asserteq(period_ns, 4096);
|
|
ut_asserteq(duty_ns, 50 * 4096 / 100);
|
|
|
|
ut_assertok(uclass_get_device(UCLASS_PWM, 1, &dev));
|
|
ut_asserteq(-ENODEV, uclass_get_device(UCLASS_PWM, 2, &dev));
|
|
|
|
return 0;
|
|
}
|
|
DM_TEST(dm_test_pwm_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
|