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