2 * Copyright (C) 2015 Google, Inc
4 * SPDX-License-Identifier: GPL-2.0+
14 DECLARE_GLOBAL_DATA_PTR;
16 /* Base test of the led uclass */
17 static int dm_test_led_base(struct unit_test_state *uts)
21 /* Get the top-level device */
22 ut_assertok(uclass_get_device(UCLASS_LED, 0, &dev));
23 ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
24 ut_assertok(uclass_get_device(UCLASS_LED, 2, &dev));
25 ut_asserteq(-ENODEV, uclass_get_device(UCLASS_LED, 3, &dev));
29 DM_TEST(dm_test_led_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
31 /* Test of the led uclass using the led_gpio driver */
32 static int dm_test_led_gpio(struct unit_test_state *uts)
35 struct udevice *dev, *gpio;
38 * Check that we can manipulate an LED. LED 1 is connected to GPIO
39 * bank gpio_a, offset 1.
41 ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
42 ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
43 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
44 ut_assertok(led_set_state(dev, LEDST_ON));
45 ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
46 ut_asserteq(LEDST_ON, led_get_state(dev));
48 ut_assertok(led_set_state(dev, LEDST_OFF));
49 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
50 ut_asserteq(LEDST_OFF, led_get_state(dev));
54 DM_TEST(dm_test_led_gpio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
56 /* Test that we can toggle LEDs */
57 static int dm_test_led_toggle(struct unit_test_state *uts)
60 struct udevice *dev, *gpio;
63 * Check that we can manipulate an LED. LED 1 is connected to GPIO
64 * bank gpio_a, offset 1.
66 ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
67 ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
68 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
69 ut_assertok(led_set_state(dev, LEDST_TOGGLE));
70 ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
71 ut_asserteq(LEDST_ON, led_get_state(dev));
73 ut_assertok(led_set_state(dev, LEDST_TOGGLE));
74 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
75 ut_asserteq(LEDST_OFF, led_get_state(dev));
79 DM_TEST(dm_test_led_toggle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
81 /* Test obtaining an LED by label */
82 static int dm_test_led_label(struct unit_test_state *uts)
84 struct udevice *dev, *cmp;
86 ut_assertok(led_get_by_label("sandbox:red", &dev));
87 ut_asserteq(1, device_active(dev));
88 ut_assertok(uclass_get_device(UCLASS_LED, 1, &cmp));
89 ut_asserteq_ptr(dev, cmp);
91 ut_assertok(led_get_by_label("sandbox:green", &dev));
92 ut_asserteq(1, device_active(dev));
93 ut_assertok(uclass_get_device(UCLASS_LED, 2, &cmp));
94 ut_asserteq_ptr(dev, cmp);
96 ut_asserteq(-ENODEV, led_get_by_label("sandbox:blue", &dev));
100 DM_TEST(dm_test_led_label, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
102 /* Test LED blinking */
103 #ifdef CONFIG_LED_BLINK
104 static int dm_test_led_blink(struct unit_test_state *uts)
106 const int offset = 1;
107 struct udevice *dev, *gpio;
110 * Check that we get an error when trying to blink an LED, since it is
111 * not supported by the GPIO LED driver.
113 ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
114 ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
115 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
116 ut_asserteq(-ENOSYS, led_set_state(dev, LEDST_BLINK));
117 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
118 ut_asserteq(LEDST_OFF, led_get_state(dev));
119 ut_asserteq(-ENOSYS, led_set_period(dev, 100));
123 DM_TEST(dm_test_led_blink, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);