// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2017 Google, Inc */ #include #include #include #include #include #include #include /* 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_by_name(UCLASS_PWM, "pwm", &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, 0, &dev)); ut_assertok(uclass_get_device(UCLASS_PWM, 1, &dev)); ut_assertok(uclass_get_device(UCLASS_PWM, 2, &dev)); ut_asserteq(-ENODEV, uclass_get_device(UCLASS_PWM, 3, &dev)); return 0; } DM_TEST(dm_test_pwm_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);