1 /* 2 * Copyright (C) 2015 Google, Inc 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <dm.h> 9 #include <led.h> 10 #include <asm/gpio.h> 11 #include <dm/test.h> 12 #include <test/ut.h> 13 14 DECLARE_GLOBAL_DATA_PTR; 15 16 /* Base test of the led uclass */ 17 static int dm_test_led_base(struct unit_test_state *uts) 18 { 19 struct udevice *dev; 20 21 /* Get the top-level device */ 22 ut_assertok(uclass_get_device(UCLASS_LED, 0, &dev)); 23 ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev)); 24 ut_assertok(uclass_get_device(UCLASS_LED, 2, &dev)); 25 ut_asserteq(-ENODEV, uclass_get_device(UCLASS_LED, 3, &dev)); 26 27 return 0; 28 } 29 DM_TEST(dm_test_led_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 30 31 /* Test of the led uclass using the led_gpio driver */ 32 static int dm_test_led_gpio(struct unit_test_state *uts) 33 { 34 const int offset = 1; 35 struct udevice *dev, *gpio; 36 37 /* 38 * Check that we can manipulate an LED. LED 1 is connected to GPIO 39 * bank gpio_a, offset 1. 40 */ 41 ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev)); 42 ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio)); 43 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset)); 44 ut_assertok(led_set_state(dev, LEDST_ON)); 45 ut_asserteq(1, sandbox_gpio_get_value(gpio, offset)); 46 47 ut_assertok(led_set_state(dev, LEDST_OFF)); 48 ut_asserteq(0, sandbox_gpio_get_value(gpio, offset)); 49 50 return 0; 51 } 52 DM_TEST(dm_test_led_gpio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 53 54 /* Test obtaining an LED by label */ 55 static int dm_test_led_label(struct unit_test_state *uts) 56 { 57 struct udevice *dev, *cmp; 58 59 ut_assertok(led_get_by_label("sandbox:red", &dev)); 60 ut_asserteq(1, device_active(dev)); 61 ut_assertok(uclass_get_device(UCLASS_LED, 1, &cmp)); 62 ut_asserteq_ptr(dev, cmp); 63 64 ut_assertok(led_get_by_label("sandbox:green", &dev)); 65 ut_asserteq(1, device_active(dev)); 66 ut_assertok(uclass_get_device(UCLASS_LED, 2, &cmp)); 67 ut_asserteq_ptr(dev, cmp); 68 69 ut_asserteq(-ENODEV, led_get_by_label("sandbox:blue", &dev)); 70 71 return 0; 72 } 73 DM_TEST(dm_test_led_label, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 74