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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / ee9c3adc85791ad887dc798c294c2d8756dfb0b9 / . / test / dm / led.c
blob: 3d5ad9363b468a727f02c814659423a4274967c0 [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>
Simon Glass0e1fad42020-07-19 10:15:37 -0600[diff] [blame]11#include <test/test.h>
Simon Glass3c43fba2015-07-06 12:54:34 -0600[diff] [blame]12#include <test/ut.h>
13
Simon Glass3c43fba2015-07-06 12:54:34 -0600[diff] [blame]14/* Base test of the led uclass */
15static int dm_test_led_base(struct unit_test_state *uts)
16{
17 struct udevice *dev;
18
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));
Patrick Bruenn274fb462018-04-11 11:16:29 +0200[diff] [blame]23 ut_assertok(uclass_get_device(UCLASS_LED, 3, &dev));
24 ut_assertok(uclass_get_device(UCLASS_LED, 4, &dev));
25 ut_asserteq(-ENODEV, uclass_get_device(UCLASS_LED, 5, &dev));
Simon Glass3c43fba2015-07-06 12:54:34 -0600[diff] [blame]26
27 return 0;
28}
29DM_TEST(dm_test_led_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
30
Patrick Bruenn274fb462018-04-11 11:16:29 +0200[diff] [blame]31/* Test of the LED 'default-state' device tree property */
32static int dm_test_led_default_state(struct unit_test_state *uts)
33{
34 struct udevice *dev;
35
Patrick Delaunay17585e22018-07-27 16:37:09 +0200[diff] [blame]36 /* configure the default state (auto-probe) */
37 led_default_state();
38
Patrick Bruenn274fb462018-04-11 11:16:29 +0200[diff] [blame]39 /* Check that we handle the default-state property correctly. */
40 ut_assertok(led_get_by_label("sandbox:default_on", &dev));
41 ut_asserteq(LEDST_ON, led_get_state(dev));
42
43 ut_assertok(led_get_by_label("sandbox:default_off", &dev));
44 ut_asserteq(LEDST_OFF, led_get_state(dev));
45
46 return 0;
47}
48DM_TEST(dm_test_led_default_state, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
49
Simon Glass3c43fba2015-07-06 12:54:34 -0600[diff] [blame]50/* Test of the led uclass using the led_gpio driver */
51static int dm_test_led_gpio(struct unit_test_state *uts)
52{
53 const int offset = 1;
54 struct udevice *dev, *gpio;
55
56 /*
57 * Check that we can manipulate an LED. LED 1 is connected to GPIO
58 * bank gpio_a, offset 1.
59 */
60 ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
61 ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
62 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
Simon Glassddae9fc2017-04-10 11:34:54 -0600[diff] [blame]63 ut_assertok(led_set_state(dev, LEDST_ON));
Simon Glass3c43fba2015-07-06 12:54:34 -0600[diff] [blame]64 ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
Simon Glass8f4b6122017-04-10 11:34:55 -0600[diff] [blame]65 ut_asserteq(LEDST_ON, led_get_state(dev));
Simon Glassddae9fc2017-04-10 11:34:54 -0600[diff] [blame]66
67 ut_assertok(led_set_state(dev, LEDST_OFF));
Simon Glass3c43fba2015-07-06 12:54:34 -0600[diff] [blame]68 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
Simon Glass8f4b6122017-04-10 11:34:55 -0600[diff] [blame]69 ut_asserteq(LEDST_OFF, led_get_state(dev));
Simon Glass3c43fba2015-07-06 12:54:34 -0600[diff] [blame]70
71 return 0;
72}
73DM_TEST(dm_test_led_gpio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
74
Simon Glass9413ad42017-04-10 11:34:56 -0600[diff] [blame]75/* Test that we can toggle LEDs */
76static int dm_test_led_toggle(struct unit_test_state *uts)
77{
78 const int offset = 1;
79 struct udevice *dev, *gpio;
80
81 /*
82 * Check that we can manipulate an LED. LED 1 is connected to GPIO
83 * bank gpio_a, offset 1.
84 */
85 ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
86 ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
87 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
88 ut_assertok(led_set_state(dev, LEDST_TOGGLE));
89 ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
90 ut_asserteq(LEDST_ON, led_get_state(dev));
91
92 ut_assertok(led_set_state(dev, LEDST_TOGGLE));
93 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
94 ut_asserteq(LEDST_OFF, led_get_state(dev));
95
96 return 0;
97}
98DM_TEST(dm_test_led_toggle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
99
Simon Glass3c43fba2015-07-06 12:54:34 -0600[diff] [blame]100/* Test obtaining an LED by label */
101static int dm_test_led_label(struct unit_test_state *uts)
102{
103 struct udevice *dev, *cmp;
104
105 ut_assertok(led_get_by_label("sandbox:red", &dev));
106 ut_asserteq(1, device_active(dev));
107 ut_assertok(uclass_get_device(UCLASS_LED, 1, &cmp));
108 ut_asserteq_ptr(dev, cmp);
109
110 ut_assertok(led_get_by_label("sandbox:green", &dev));
111 ut_asserteq(1, device_active(dev));
112 ut_assertok(uclass_get_device(UCLASS_LED, 2, &cmp));
113 ut_asserteq_ptr(dev, cmp);
114
115 ut_asserteq(-ENODEV, led_get_by_label("sandbox:blue", &dev));
116
117 return 0;
118}
119DM_TEST(dm_test_led_label, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
Simon Glass53378da2017-04-10 11:34:57 -0600[diff] [blame]120
121/* Test LED blinking */
122#ifdef CONFIG_LED_BLINK
123static int dm_test_led_blink(struct unit_test_state *uts)
124{
125 const int offset = 1;
126 struct udevice *dev, *gpio;
127
128 /*
129 * Check that we get an error when trying to blink an LED, since it is
130 * not supported by the GPIO LED driver.
131 */
132 ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
133 ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
134 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
135 ut_asserteq(-ENOSYS, led_set_state(dev, LEDST_BLINK));
136 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
137 ut_asserteq(LEDST_OFF, led_get_state(dev));
138 ut_asserteq(-ENOSYS, led_set_period(dev, 100));
139
140 return 0;
141}
142DM_TEST(dm_test_led_blink, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
143#endif