diff options
Diffstat (limited to 'roms/u-boot/test/dm/led.c')
| -rw-r--r-- | roms/u-boot/test/dm/led.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/roms/u-boot/test/dm/led.c b/roms/u-boot/test/dm/led.c new file mode 100644 index 000000000..ac6ee3639 --- /dev/null +++ b/roms/u-boot/test/dm/led.c @@ -0,0 +1,144 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2015 Google, Inc + */ + +#include <common.h> +#include <dm.h> +#include <led.h> +#include <asm/gpio.h> +#include <dm/test.h> +#include <test/test.h> +#include <test/ut.h> + +/* 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_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, UT_TESTF_SCAN_PDATA | UT_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; + + /* configure the default state (auto-probe) */ + led_default_state(); + + /* 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)); + + /* Also tests default label behaviour */ + ut_assertok(led_get_by_label("default_off", &dev)); + ut_asserteq(LEDST_OFF, led_get_state(dev)); + + return 0; +} +DM_TEST(dm_test_led_default_state, UT_TESTF_SCAN_PDATA | UT_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)); + ut_assertok(led_set_state(dev, LEDST_ON)); + ut_asserteq(1, sandbox_gpio_get_value(gpio, offset)); + 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, UT_TESTF_SCAN_PDATA | UT_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, UT_TESTF_SCAN_PDATA | UT_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, UT_TESTF_SCAN_PDATA | UT_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, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); +#endif |