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https://github.com/AsahiLinux/u-boot
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9e9a530a61
Add the command "pwm" for controlling the pwm channels. This command provides pwm invert/config/enable/disable functionalities via PWM uclass drivers Signed-off-by: Pragnesh Patel <pragnesh.patel@sifive.com> Reviewed-by: Simon Glass <sjg@chromium.org>
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Test for pwm command
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*
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* Copyright 2020 SiFive, Inc
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*
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* Authors:
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* Pragnesh Patel <pragnesh.patel@sifive.com>
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*/
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#include <dm.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 'pwm' command */
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static int dm_test_pwm_cmd(struct unit_test_state *uts)
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{
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struct udevice *dev;
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ut_assertok(uclass_get_device(UCLASS_PWM, 0, &dev));
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ut_assertnonnull(dev);
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ut_assertok(console_record_reset_enable());
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/* pwm <invert> <pwm_dev_num> <channel> <polarity> */
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ut_assertok(run_command("pwm invert 0 0 1", 0));
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ut_assert_console_end();
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ut_assertok(run_command("pwm invert 0 0 0", 0));
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ut_assert_console_end();
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/* pwm <config> <pwm_dev_num> <channel> <period_ns> <duty_ns> */
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ut_assertok(run_command("pwm config 0 0 10 50", 0));
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ut_assert_console_end();
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/* pwm <enable/disable> <pwm_dev_num> <channel> */
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ut_assertok(run_command("pwm enable 0 0", 0));
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ut_assert_console_end();
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ut_assertok(run_command("pwm disable 0 0", 0));
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ut_assert_console_end();
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return 0;
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}
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DM_TEST(dm_test_pwm_cmd, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_CONSOLE_REC);
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