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3c43fba3 SG |
1 | /* |
2 | * Copyright (C) 2015 Google, Inc | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0+ | |
5 | */ | |
6 | ||
7 | #include <common.h> | |
8 | #include <dm.h> | |
9 | #include <led.h> | |
10 | #include <asm/gpio.h> | |
11 | #include <dm/test.h> | |
12 | #include <test/ut.h> | |
13 | ||
14 | DECLARE_GLOBAL_DATA_PTR; | |
15 | ||
16 | /* Base test of the led uclass */ | |
17 | static int dm_test_led_base(struct unit_test_state *uts) | |
18 | { | |
19 | struct udevice *dev; | |
20 | ||
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)); | |
26 | ||
27 | return 0; | |
28 | } | |
29 | DM_TEST(dm_test_led_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); | |
30 | ||
31 | /* Test of the led uclass using the led_gpio driver */ | |
32 | static int dm_test_led_gpio(struct unit_test_state *uts) | |
33 | { | |
34 | const int offset = 1; | |
35 | struct udevice *dev, *gpio; | |
36 | ||
37 | /* | |
38 | * Check that we can manipulate an LED. LED 1 is connected to GPIO | |
39 | * bank gpio_a, offset 1. | |
40 | */ | |
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 | led_set_on(dev, 1); | |
45 | ut_asserteq(1, sandbox_gpio_get_value(gpio, offset)); | |
46 | led_set_on(dev, 0); | |
47 | ut_asserteq(0, sandbox_gpio_get_value(gpio, offset)); | |
48 | ||
49 | return 0; | |
50 | } | |
51 | DM_TEST(dm_test_led_gpio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); | |
52 | ||
53 | /* Test obtaining an LED by label */ | |
54 | static int dm_test_led_label(struct unit_test_state *uts) | |
55 | { | |
56 | struct udevice *dev, *cmp; | |
57 | ||
58 | ut_assertok(led_get_by_label("sandbox:red", &dev)); | |
59 | ut_asserteq(1, device_active(dev)); | |
60 | ut_assertok(uclass_get_device(UCLASS_LED, 1, &cmp)); | |
61 | ut_asserteq_ptr(dev, cmp); | |
62 | ||
63 | ut_assertok(led_get_by_label("sandbox:green", &dev)); | |
64 | ut_asserteq(1, device_active(dev)); | |
65 | ut_assertok(uclass_get_device(UCLASS_LED, 2, &cmp)); | |
66 | ut_asserteq_ptr(dev, cmp); | |
67 | ||
68 | ut_asserteq(-ENODEV, led_get_by_label("sandbox:blue", &dev)); | |
69 | ||
70 | return 0; | |
71 | } | |
72 | DM_TEST(dm_test_led_label, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |