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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / dc08ecc90cc57d7ca73f837a847a81c8b1e8af79 / . / test / dm / led.c
blob: 0071f216bb78186ad258c74a3295940e9228ffe9 [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -0400[diff] [blame]1// SPDX-License-Identifier: GPL-2.0+
Simon Glass3c43fba2015-07-06 12:54:34 -0600[diff] [blame]2/*
3 * Copyright (C) 2015 Google, Inc
Simon Glass3c43fba2015-07-06 12:54:34 -0600[diff] [blame]4 */
5
6#include <common.h>
7#include <dm.h>
8#include <led.h>
9#include <asm/gpio.h>
10#include <dm/test.h>
11#include <test/ut.h>
12
Simon Glass3c43fba2015-07-06 12:54:34 -0600[diff] [blame]13/* Base test of the led uclass */
14static int dm_test_led_base(struct unit_test_state *uts)
15{
16 struct udevice *dev;
17
18 /* Get the top-level device */
19 ut_assertok(uclass_get_device(UCLASS_LED, 0, &dev));
20 ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
21 ut_assertok(uclass_get_device(UCLASS_LED, 2, &dev));
Patrick Bruenn274fb462018-04-11 11:16:29 +0200[diff] [blame]22 ut_assertok(uclass_get_device(UCLASS_LED, 3, &dev));
23 ut_assertok(uclass_get_device(UCLASS_LED, 4, &dev));
24 ut_asserteq(-ENODEV, uclass_get_device(UCLASS_LED, 5, &dev));
Simon Glass3c43fba2015-07-06 12:54:34 -0600[diff] [blame]25
26 return 0;
27}
28DM_TEST(dm_test_led_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
29
Patrick Bruenn274fb462018-04-11 11:16:29 +0200[diff] [blame]30/* Test of the LED 'default-state' device tree property */
31static int dm_test_led_default_state(struct unit_test_state *uts)
32{
33 struct udevice *dev;
34
35 /* Check that we handle the default-state property correctly. */
36 ut_assertok(led_get_by_label("sandbox:default_on", &dev));
37 ut_asserteq(LEDST_ON, led_get_state(dev));
38
39 ut_assertok(led_get_by_label("sandbox:default_off", &dev));
40 ut_asserteq(LEDST_OFF, led_get_state(dev));
41
42 return 0;
43}
44DM_TEST(dm_test_led_default_state, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
45
Simon Glass3c43fba2015-07-06 12:54:34 -0600[diff] [blame]46/* Test of the led uclass using the led_gpio driver */
47static int dm_test_led_gpio(struct unit_test_state *uts)
48{
49 const int offset = 1;
50 struct udevice *dev, *gpio;
51
52 /*
53 * Check that we can manipulate an LED. LED 1 is connected to GPIO
54 * bank gpio_a, offset 1.
55 */
56 ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
57 ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
58 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
Simon Glassddae9fc2017-04-10 11:34:54 -0600[diff] [blame]59 ut_assertok(led_set_state(dev, LEDST_ON));
Simon Glass3c43fba2015-07-06 12:54:34 -0600[diff] [blame]60 ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
Simon Glass8f4b6122017-04-10 11:34:55 -0600[diff] [blame]61 ut_asserteq(LEDST_ON, led_get_state(dev));
Simon Glassddae9fc2017-04-10 11:34:54 -0600[diff] [blame]62
63 ut_assertok(led_set_state(dev, LEDST_OFF));
Simon Glass3c43fba2015-07-06 12:54:34 -0600[diff] [blame]64 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
Simon Glass8f4b6122017-04-10 11:34:55 -0600[diff] [blame]65 ut_asserteq(LEDST_OFF, led_get_state(dev));
Simon Glass3c43fba2015-07-06 12:54:34 -0600[diff] [blame]66
67 return 0;
68}
69DM_TEST(dm_test_led_gpio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
70
Simon Glass9413ad42017-04-10 11:34:56 -0600[diff] [blame]71/* Test that we can toggle LEDs */
72static int dm_test_led_toggle(struct unit_test_state *uts)
73{
74 const int offset = 1;
75 struct udevice *dev, *gpio;
76
77 /*
78 * Check that we can manipulate an LED. LED 1 is connected to GPIO
79 * bank gpio_a, offset 1.
80 */
81 ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
82 ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
83 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
84 ut_assertok(led_set_state(dev, LEDST_TOGGLE));
85 ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
86 ut_asserteq(LEDST_ON, led_get_state(dev));
87
88 ut_assertok(led_set_state(dev, LEDST_TOGGLE));
89 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
90 ut_asserteq(LEDST_OFF, led_get_state(dev));
91
92 return 0;
93}
94DM_TEST(dm_test_led_toggle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
95
Simon Glass3c43fba2015-07-06 12:54:34 -0600[diff] [blame]96/* Test obtaining an LED by label */
97static int dm_test_led_label(struct unit_test_state *uts)
98{
99 struct udevice *dev, *cmp;
100
101 ut_assertok(led_get_by_label("sandbox:red", &dev));
102 ut_asserteq(1, device_active(dev));
103 ut_assertok(uclass_get_device(UCLASS_LED, 1, &cmp));
104 ut_asserteq_ptr(dev, cmp);
105
106 ut_assertok(led_get_by_label("sandbox:green", &dev));
107 ut_asserteq(1, device_active(dev));
108 ut_assertok(uclass_get_device(UCLASS_LED, 2, &cmp));
109 ut_asserteq_ptr(dev, cmp);
110
111 ut_asserteq(-ENODEV, led_get_by_label("sandbox:blue", &dev));
112
113 return 0;
114}
115DM_TEST(dm_test_led_label, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
Simon Glass53378da2017-04-10 11:34:57 -0600[diff] [blame]116
117/* Test LED blinking */
118#ifdef CONFIG_LED_BLINK
119static int dm_test_led_blink(struct unit_test_state *uts)
120{
121 const int offset = 1;
122 struct udevice *dev, *gpio;
123
124 /*
125 * Check that we get an error when trying to blink an LED, since it is
126 * not supported by the GPIO LED driver.
127 */
128 ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
129 ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
130 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
131 ut_asserteq(-ENOSYS, led_set_state(dev, LEDST_BLINK));
132 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
133 ut_asserteq(LEDST_OFF, led_get_state(dev));
134 ut_asserteq(-ENOSYS, led_set_period(dev, 100));
135
136 return 0;
137}
138DM_TEST(dm_test_led_blink, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
139#endif