2 * Copyright (C) 2015 Google, Inc
4 * SPDX-License-Identifier: GPL-2.0+
14 /* Base test of the led uclass */
15 static int dm_test_led_base(struct unit_test_state *uts)
19 /* Get the top-level device */
20 ut_assertok(uclass_get_device(UCLASS_LED, 0, &dev));
21 ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
22 ut_assertok(uclass_get_device(UCLASS_LED, 2, &dev));
23 ut_asserteq(-ENODEV, uclass_get_device(UCLASS_LED, 3, &dev));
27 DM_TEST(dm_test_led_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
29 /* Test of the led uclass using the led_gpio driver */
30 static int dm_test_led_gpio(struct unit_test_state *uts)
33 struct udevice *dev, *gpio;
36 * Check that we can manipulate an LED. LED 1 is connected to GPIO
37 * bank gpio_a, offset 1.
39 ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
40 ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
41 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
42 ut_assertok(led_set_state(dev, LEDST_ON));
43 ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
44 ut_asserteq(LEDST_ON, led_get_state(dev));
46 ut_assertok(led_set_state(dev, LEDST_OFF));
47 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
48 ut_asserteq(LEDST_OFF, led_get_state(dev));
52 DM_TEST(dm_test_led_gpio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
54 /* Test that we can toggle LEDs */
55 static int dm_test_led_toggle(struct unit_test_state *uts)
58 struct udevice *dev, *gpio;
61 * Check that we can manipulate an LED. LED 1 is connected to GPIO
62 * bank gpio_a, offset 1.
64 ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
65 ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
66 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
67 ut_assertok(led_set_state(dev, LEDST_TOGGLE));
68 ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
69 ut_asserteq(LEDST_ON, led_get_state(dev));
71 ut_assertok(led_set_state(dev, LEDST_TOGGLE));
72 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
73 ut_asserteq(LEDST_OFF, led_get_state(dev));
77 DM_TEST(dm_test_led_toggle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
79 /* Test obtaining an LED by label */
80 static int dm_test_led_label(struct unit_test_state *uts)
82 struct udevice *dev, *cmp;
84 ut_assertok(led_get_by_label("sandbox:red", &dev));
85 ut_asserteq(1, device_active(dev));
86 ut_assertok(uclass_get_device(UCLASS_LED, 1, &cmp));
87 ut_asserteq_ptr(dev, cmp);
89 ut_assertok(led_get_by_label("sandbox:green", &dev));
90 ut_asserteq(1, device_active(dev));
91 ut_assertok(uclass_get_device(UCLASS_LED, 2, &cmp));
92 ut_asserteq_ptr(dev, cmp);
94 ut_asserteq(-ENODEV, led_get_by_label("sandbox:blue", &dev));
98 DM_TEST(dm_test_led_label, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
100 /* Test LED blinking */
101 #ifdef CONFIG_LED_BLINK
102 static int dm_test_led_blink(struct unit_test_state *uts)
104 const int offset = 1;
105 struct udevice *dev, *gpio;
108 * Check that we get an error when trying to blink an LED, since it is
109 * not supported by the GPIO LED driver.
111 ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
112 ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
113 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
114 ut_asserteq(-ENOSYS, led_set_state(dev, LEDST_BLINK));
115 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
116 ut_asserteq(LEDST_OFF, led_get_state(dev));
117 ut_asserteq(-ENOSYS, led_set_period(dev, 100));
121 DM_TEST(dm_test_led_blink, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);