u-boot/test/dm/led.c
Simon Glass 3c43fba3d2 dm: test: Add a test for the LED uclass
Add a test to confirm that we can adjust LEDs using the led_gpio driver.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:32 -06:00

72 lines
1.9 KiB
C

/*
* Copyright (C) 2015 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <led.h>
#include <asm/gpio.h>
#include <dm/test.h>
#include <test/ut.h>
DECLARE_GLOBAL_DATA_PTR;
/* Base test of the led uclass */
static int dm_test_led_base(struct unit_test_state *uts)
{
struct udevice *dev;
/* Get the top-level device */
ut_assertok(uclass_get_device(UCLASS_LED, 0, &dev));
ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
ut_assertok(uclass_get_device(UCLASS_LED, 2, &dev));
ut_asserteq(-ENODEV, uclass_get_device(UCLASS_LED, 3, &dev));
return 0;
}
DM_TEST(dm_test_led_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/* Test of the led uclass using the led_gpio driver */
static int dm_test_led_gpio(struct unit_test_state *uts)
{
const int offset = 1;
struct udevice *dev, *gpio;
/*
* Check that we can manipulate an LED. LED 1 is connected to GPIO
* bank gpio_a, offset 1.
*/
ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
led_set_on(dev, 1);
ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
led_set_on(dev, 0);
ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
return 0;
}
DM_TEST(dm_test_led_gpio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/* Test obtaining an LED by label */
static int dm_test_led_label(struct unit_test_state *uts)
{
struct udevice *dev, *cmp;
ut_assertok(led_get_by_label("sandbox:red", &dev));
ut_asserteq(1, device_active(dev));
ut_assertok(uclass_get_device(UCLASS_LED, 1, &cmp));
ut_asserteq_ptr(dev, cmp);
ut_assertok(led_get_by_label("sandbox:green", &dev));
ut_asserteq(1, device_active(dev));
ut_assertok(uclass_get_device(UCLASS_LED, 2, &cmp));
ut_asserteq_ptr(dev, cmp);
ut_asserteq(-ENODEV, led_get_by_label("sandbox:blue", &dev));
return 0;
}
DM_TEST(dm_test_led_label, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);