1// SPDX-License-Identifier: GPL-2.0+ 2/* 3 * Copyright (C) 2017 Google, Inc 4 */ 5 6#include <common.h> 7#include <dm.h> 8#include <pwm.h> 9#include <asm/test.h> 10#include <dm/test.h> 11#include <test/test.h> 12#include <test/ut.h> 13 14/* Basic test of the pwm uclass */ 15static int dm_test_pwm_base(struct unit_test_state *uts) 16{ 17 struct udevice *dev; 18 uint period_ns; 19 uint duty_ns; 20 bool enable; 21 bool polarity; 22 23 ut_assertok(uclass_get_device_by_name(UCLASS_PWM, "pwm", &dev)); 24 ut_assertnonnull(dev); 25 ut_assertok(pwm_set_config(dev, 0, 100, 50)); 26 ut_assertok(pwm_set_enable(dev, 0, true)); 27 ut_assertok(pwm_set_enable(dev, 1, true)); 28 ut_assertok(pwm_set_enable(dev, 2, true)); 29 ut_asserteq(-ENOSPC, pwm_set_enable(dev, 3, true)); 30 ut_assertok(pwm_set_invert(dev, 0, true)); 31 32 ut_assertok(pwm_set_config(dev, 2, 100, 50)); 33 ut_assertok(sandbox_pwm_get_config(dev, 2, &period_ns, &duty_ns, 34 &enable, &polarity)); 35 ut_asserteq(period_ns, 4096); 36 ut_asserteq(duty_ns, 50 * 4096 / 100); 37 38 ut_assertok(uclass_get_device(UCLASS_PWM, 0, &dev)); 39 ut_assertok(uclass_get_device(UCLASS_PWM, 1, &dev)); 40 ut_assertok(uclass_get_device(UCLASS_PWM, 2, &dev)); 41 ut_asserteq(-ENODEV, uclass_get_device(UCLASS_PWM, 3, &dev)); 42 43 return 0; 44} 45DM_TEST(dm_test_pwm_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); 46