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https://github.com/brain-hackers/u-boot-brain
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8f4b612333
It is useful to be able to read the LED as well as write it. Add this to the uclass and update the GPIO driver. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Ziping Chen <techping.chan@gmail.com>
76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/*
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* Copyright (C) 2015 Google, Inc
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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#include <led.h>
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#include <asm/gpio.h>
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#include <dm/test.h>
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#include <test/ut.h>
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DECLARE_GLOBAL_DATA_PTR;
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/* Base test of the led uclass */
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static int dm_test_led_base(struct unit_test_state *uts)
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{
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struct udevice *dev;
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/* Get the top-level device */
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ut_assertok(uclass_get_device(UCLASS_LED, 0, &dev));
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ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
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ut_assertok(uclass_get_device(UCLASS_LED, 2, &dev));
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ut_asserteq(-ENODEV, uclass_get_device(UCLASS_LED, 3, &dev));
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return 0;
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}
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DM_TEST(dm_test_led_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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/* Test of the led uclass using the led_gpio driver */
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static int dm_test_led_gpio(struct unit_test_state *uts)
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{
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const int offset = 1;
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struct udevice *dev, *gpio;
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/*
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* Check that we can manipulate an LED. LED 1 is connected to GPIO
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* bank gpio_a, offset 1.
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*/
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ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
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ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
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ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
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ut_assertok(led_set_state(dev, LEDST_ON));
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ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
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ut_asserteq(LEDST_ON, led_get_state(dev));
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ut_assertok(led_set_state(dev, LEDST_OFF));
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ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
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ut_asserteq(LEDST_OFF, led_get_state(dev));
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return 0;
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}
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DM_TEST(dm_test_led_gpio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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/* Test obtaining an LED by label */
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static int dm_test_led_label(struct unit_test_state *uts)
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{
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struct udevice *dev, *cmp;
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ut_assertok(led_get_by_label("sandbox:red", &dev));
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ut_asserteq(1, device_active(dev));
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ut_assertok(uclass_get_device(UCLASS_LED, 1, &cmp));
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ut_asserteq_ptr(dev, cmp);
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ut_assertok(led_get_by_label("sandbox:green", &dev));
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ut_asserteq(1, device_active(dev));
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ut_assertok(uclass_get_device(UCLASS_LED, 2, &cmp));
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ut_asserteq_ptr(dev, cmp);
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ut_asserteq(-ENODEV, led_get_by_label("sandbox:blue", &dev));
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return 0;
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}
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DM_TEST(dm_test_led_label, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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