1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2017 Google, Inc
4 */
5
6#include <dm.h>
7#include <pwm.h>
8#include <asm/test.h>
9#include <dm/test.h>
10#include <test/test.h>
11#include <test/ut.h>
12
13/* Basic test of the pwm uclass */
14static int dm_test_pwm_base(struct unit_test_state *uts)
15{
16	struct udevice *dev;
17	uint period_ns;
18	uint duty_ns;
19	bool enable;
20	bool polarity;
21
22	ut_assertok(uclass_get_device_by_name(UCLASS_PWM, "pwm", &dev));
23	ut_assertnonnull(dev);
24	ut_assertok(pwm_set_config(dev, 0, 100, 50));
25	ut_assertok(pwm_set_enable(dev, 0, true));
26	ut_assertok(pwm_set_enable(dev, 1, true));
27	ut_assertok(pwm_set_enable(dev, 2, true));
28	ut_asserteq(-ENOSPC, pwm_set_enable(dev, 3, true));
29	ut_assertok(pwm_set_invert(dev, 0, true));
30
31	ut_assertok(pwm_set_config(dev, 2, 100, 50));
32	ut_assertok(sandbox_pwm_get_config(dev, 2, &period_ns, &duty_ns,
33					   &enable, &polarity));
34	ut_asserteq(period_ns, 4096);
35	ut_asserteq(duty_ns, 50 * 4096 / 100);
36
37	ut_assertok(uclass_get_device(UCLASS_PWM, 0, &dev));
38	ut_assertok(uclass_get_device(UCLASS_PWM, 1, &dev));
39	ut_assertok(uclass_get_device(UCLASS_PWM, 2, &dev));
40	ut_asserteq(-ENODEV, uclass_get_device(UCLASS_PWM, 3, &dev));
41
42	return 0;
43}
44DM_TEST(dm_test_pwm_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
45