u-boot/test/cmd/pwm.c
Pragnesh Patel 9e9a530a61 cmd: Add a pwm command
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>
2021-01-18 15:23:06 -05:00

47 lines
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Test for pwm command
*
* Copyright 2020 SiFive, Inc
*
* Authors:
* Pragnesh Patel <pragnesh.patel@sifive.com>
*/
#include <dm.h>
#include <dm/test.h>
#include <test/test.h>
#include <test/ut.h>
/* Basic test of 'pwm' command */
static int dm_test_pwm_cmd(struct unit_test_state *uts)
{
struct udevice *dev;
ut_assertok(uclass_get_device(UCLASS_PWM, 0, &dev));
ut_assertnonnull(dev);
ut_assertok(console_record_reset_enable());
/* pwm <invert> <pwm_dev_num> <channel> <polarity> */
ut_assertok(run_command("pwm invert 0 0 1", 0));
ut_assert_console_end();
ut_assertok(run_command("pwm invert 0 0 0", 0));
ut_assert_console_end();
/* pwm <config> <pwm_dev_num> <channel> <period_ns> <duty_ns> */
ut_assertok(run_command("pwm config 0 0 10 50", 0));
ut_assert_console_end();
/* pwm <enable/disable> <pwm_dev_num> <channel> */
ut_assertok(run_command("pwm enable 0 0", 0));
ut_assert_console_end();
ut_assertok(run_command("pwm disable 0 0", 0));
ut_assert_console_end();
return 0;
}
DM_TEST(dm_test_pwm_cmd, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_CONSOLE_REC);