dm: led: add testcase for "default-state" property

[u-boot] / test / dm / led.c

diff --git a/test/dm/led.c b/test/dm/led.c
index 8ee075cf1ca75e61818668dbc51696da56431178..0071f216bb78186ad258c74a3295940e9228ffe9 100644 (file)
--- a/test/dm/led.c
+++ b/test/dm/led.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2015 Google, Inc
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -11,8 +10,6 @@
 #include <dm/test.h>
 #include <test/ut.h>
 
-DECLARE_GLOBAL_DATA_PTR;
-
 /* Base test of the led uclass */
 static int dm_test_led_base(struct unit_test_state *uts)
 {
@@ -22,12 +19,30 @@ static int dm_test_led_base(struct unit_test_state *uts)
        ut_assertok(uclass_get_device(UCLASS_LED, 0, &dev));
        ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
        ut_assertok(uclass_get_device(UCLASS_LED, 2, &dev));
-       ut_asserteq(-ENODEV, uclass_get_device(UCLASS_LED, 3, &dev));
+       ut_assertok(uclass_get_device(UCLASS_LED, 3, &dev));
+       ut_assertok(uclass_get_device(UCLASS_LED, 4, &dev));
+       ut_asserteq(-ENODEV, uclass_get_device(UCLASS_LED, 5, &dev));
 
        return 0;
 }
 DM_TEST(dm_test_led_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
 
+/* Test of the LED 'default-state' device tree property */
+static int dm_test_led_default_state(struct unit_test_state *uts)
+{
+       struct udevice *dev;
+
+       /* Check that we handle the default-state property correctly. */
+       ut_assertok(led_get_by_label("sandbox:default_on", &dev));
+       ut_asserteq(LEDST_ON, led_get_state(dev));
+
+       ut_assertok(led_get_by_label("sandbox:default_off", &dev));
+       ut_asserteq(LEDST_OFF, led_get_state(dev));
+
+       return 0;
+}
+DM_TEST(dm_test_led_default_state, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
 /* Test of the led uclass using the led_gpio driver */
 static int dm_test_led_gpio(struct unit_test_state *uts)
 {
@@ -41,15 +56,43 @@ static int dm_test_led_gpio(struct unit_test_state *uts)
        ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
        ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
        ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
-       led_set_on(dev, 1);
+       ut_assertok(led_set_state(dev, LEDST_ON));
        ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
-       led_set_on(dev, 0);
+       ut_asserteq(LEDST_ON, led_get_state(dev));
+
+       ut_assertok(led_set_state(dev, LEDST_OFF));
        ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
+       ut_asserteq(LEDST_OFF, led_get_state(dev));
 
        return 0;
 }
 DM_TEST(dm_test_led_gpio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
 
+/* Test that we can toggle LEDs */
+static int dm_test_led_toggle(struct unit_test_state *uts)
+{
+       const int offset = 1;
+       struct udevice *dev, *gpio;
+
+       /*
+        * Check that we can manipulate an LED. LED 1 is connected to GPIO
+        * bank gpio_a, offset 1.
+        */
+       ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
+       ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
+       ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
+       ut_assertok(led_set_state(dev, LEDST_TOGGLE));
+       ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
+       ut_asserteq(LEDST_ON, led_get_state(dev));
+
+       ut_assertok(led_set_state(dev, LEDST_TOGGLE));
+       ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
+       ut_asserteq(LEDST_OFF, led_get_state(dev));
+
+       return 0;
+}
+DM_TEST(dm_test_led_toggle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
 /* Test obtaining an LED by label */
 static int dm_test_led_label(struct unit_test_state *uts)
 {
@@ -70,3 +113,27 @@ static int dm_test_led_label(struct unit_test_state *uts)
        return 0;
 }
 DM_TEST(dm_test_led_label, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test LED blinking */
+#ifdef CONFIG_LED_BLINK
+static int dm_test_led_blink(struct unit_test_state *uts)
+{
+       const int offset = 1;
+       struct udevice *dev, *gpio;
+
+       /*
+        * Check that we get an error when trying to blink an LED, since it is
+        * not supported by the GPIO LED driver.
+        */
+       ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
+       ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
+       ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
+       ut_asserteq(-ENOSYS, led_set_state(dev, LEDST_BLINK));
+       ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
+       ut_asserteq(LEDST_OFF, led_get_state(dev));
+       ut_asserteq(-ENOSYS, led_set_period(dev, 100));
+
+       return 0;
+}
+DM_TEST(dm_test_led_blink, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+#endif