dm: test: Add a test for the LED uclass
Add a test to confirm that we can adjust LEDs using the led_gpio driver.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/test/dm/Makefile b/test/dm/Makefile
index 54046d3..6242a02 100644
--- a/test/dm/Makefile
+++ b/test/dm/Makefile
@@ -19,6 +19,7 @@
obj-$(CONFIG_DM_ETH) += eth.o
obj-$(CONFIG_DM_GPIO) += gpio.o
obj-$(CONFIG_DM_I2C) += i2c.o
+obj-$(CONFIG_LED) += led.o
obj-$(CONFIG_DM_MMC) += mmc.o
obj-$(CONFIG_DM_PCI) += pci.o
obj-$(CONFIG_RAM) += ram.o
diff --git a/test/dm/led.c b/test/dm/led.c
new file mode 100644
index 0000000..8ee075c
--- /dev/null
+++ b/test/dm/led.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2015 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <led.h>
+#include <asm/gpio.h>
+#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)
+{
+ struct udevice *dev;
+
+ /* Get the top-level device */
+ 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));
+
+ return 0;
+}
+DM_TEST(dm_test_led_base, 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)
+{
+ 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));
+ led_set_on(dev, 1);
+ ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
+ led_set_on(dev, 0);
+ ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
+
+ return 0;
+}
+DM_TEST(dm_test_led_gpio, 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)
+{
+ struct udevice *dev, *cmp;
+
+ ut_assertok(led_get_by_label("sandbox:red", &dev));
+ ut_asserteq(1, device_active(dev));
+ ut_assertok(uclass_get_device(UCLASS_LED, 1, &cmp));
+ ut_asserteq_ptr(dev, cmp);
+
+ ut_assertok(led_get_by_label("sandbox:green", &dev));
+ ut_asserteq(1, device_active(dev));
+ ut_assertok(uclass_get_device(UCLASS_LED, 2, &cmp));
+ ut_asserteq_ptr(dev, cmp);
+
+ ut_asserteq(-ENODEV, led_get_by_label("sandbox:blue", &dev));
+
+ return 0;
+}
+DM_TEST(dm_test_led_label, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);