LXR uboot/test/dm/button.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (C) 2020 Philippe Reynes <philippe.reynes@softathome.com>
   4 *
   5 * Based on led.c
   6 */
   7
   8#include <common.h>
   9#include <dm.h>
  10#include <button.h>
  11#include <asm/gpio.h>
  12#include <dm/test.h>
  13#include <test/ut.h>
  14
  15/* Base test of the button uclass */
  16static int dm_test_button_base(struct unit_test_state *uts)
  17{
  18        struct udevice *dev;
  19
  20        /* Get the top-level device */
  21        ut_assertok(uclass_get_device(UCLASS_BUTTON, 0, &dev));
  22        ut_assertok(uclass_get_device(UCLASS_BUTTON, 1, &dev));
  23        ut_assertok(uclass_get_device(UCLASS_BUTTON, 2, &dev));
  24        ut_asserteq(-ENODEV, uclass_get_device(UCLASS_BUTTON, 3, &dev));
  25
  26        return 0;
  27}
  28DM_TEST(dm_test_button_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  29
  30/* Test of the button uclass using the button_gpio driver */
  31static int dm_test_button_gpio(struct unit_test_state *uts)
  32{
  33        const int offset = 3;
  34        struct udevice *dev, *gpio;
  35
  36        /*
  37         * Check that we can manipulate an BUTTON. BUTTON 1 is connected to GPIO
  38         * bank gpio_a, offset 3.
  39         */
  40        ut_assertok(uclass_get_device(UCLASS_BUTTON, 1, &dev));
  41        ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
  42
  43        ut_asserteq(0, sandbox_gpio_set_value(gpio, offset, 0));
  44        ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
  45        ut_asserteq(BUTTON_OFF, button_get_state(dev));
  46
  47        ut_asserteq(0, sandbox_gpio_set_value(gpio, offset, 1));
  48        ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
  49        ut_asserteq(BUTTON_ON, button_get_state(dev));
  50
  51        return 0;
  52}
  53DM_TEST(dm_test_button_gpio, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  54
  55/* Test obtaining an BUTTON by label */
  56static int dm_test_button_label(struct unit_test_state *uts)
  57{
  58        struct udevice *dev, *cmp;
  59
  60        ut_assertok(button_get_by_label("button1", &dev));
  61        ut_asserteq(1, device_active(dev));
  62        ut_assertok(uclass_get_device(UCLASS_BUTTON, 1, &cmp));
  63        ut_asserteq_ptr(dev, cmp);
  64
  65        ut_assertok(button_get_by_label("button2", &dev));
  66        ut_asserteq(1, device_active(dev));
  67        ut_assertok(uclass_get_device(UCLASS_BUTTON, 2, &cmp));
  68        ut_asserteq_ptr(dev, cmp);
  69
  70        ut_asserteq(-ENODEV, button_get_by_label("nobutton", &dev));
  71
  72        return 0;
  73}
  74DM_TEST(dm_test_button_label, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  75