]>
git.ipfire.org Git - people/ms/u-boot.git/blob - test/dm/led.c
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
);