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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2020 Philippe Reynes <philippe.reynes@softathome.com>
- *
- * Based on led.c
- */
- #include <common.h>
- #include <dm.h>
- #include <adc.h>
- #include <button.h>
- #include <power/regulator.h>
- #include <power/sandbox_pmic.h>
- #include <asm/gpio.h>
- #include <dm/test.h>
- #include <test/ut.h>
- /* Base test of the button uclass */
- static int dm_test_button_base(struct unit_test_state *uts)
- {
- struct udevice *dev;
- /* Get the top-level gpio buttons device */
- ut_assertok(uclass_get_device(UCLASS_BUTTON, 0, &dev));
- /* Get the 2 gpio buttons */
- ut_assertok(uclass_get_device(UCLASS_BUTTON, 1, &dev));
- ut_assertok(uclass_get_device(UCLASS_BUTTON, 2, &dev));
- /* Get the top-level adc buttons device */
- ut_assertok(uclass_get_device(UCLASS_BUTTON, 3, &dev));
- /* Get the 3 adc buttons */
- ut_assertok(uclass_get_device(UCLASS_BUTTON, 4, &dev));
- ut_assertok(uclass_get_device(UCLASS_BUTTON, 5, &dev));
- ut_assertok(uclass_get_device(UCLASS_BUTTON, 6, &dev));
- ut_asserteq(-ENODEV, uclass_get_device(UCLASS_BUTTON, 7, &dev));
- return 0;
- }
- DM_TEST(dm_test_button_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test of the button uclass using the button_gpio driver */
- static int dm_test_button_gpio(struct unit_test_state *uts)
- {
- const int offset = 3;
- struct udevice *dev, *gpio;
- /*
- * Check that we can manipulate an BUTTON. BUTTON 1 is connected to GPIO
- * bank gpio_a, offset 3.
- */
- ut_assertok(uclass_get_device(UCLASS_BUTTON, 1, &dev));
- ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
- ut_asserteq(0, sandbox_gpio_set_value(gpio, offset, 0));
- ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
- ut_asserteq(BUTTON_OFF, button_get_state(dev));
- ut_asserteq(0, sandbox_gpio_set_value(gpio, offset, 1));
- ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
- ut_asserteq(BUTTON_ON, button_get_state(dev));
- return 0;
- }
- DM_TEST(dm_test_button_gpio, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test obtaining an BUTTON by label */
- static int dm_test_button_label(struct unit_test_state *uts)
- {
- struct udevice *dev, *cmp;
- ut_assertok(button_get_by_label("button1", &dev));
- ut_asserteq(1, device_active(dev));
- ut_assertok(uclass_get_device(UCLASS_BUTTON, 1, &cmp));
- ut_asserteq_ptr(dev, cmp);
- ut_assertok(button_get_by_label("button2", &dev));
- ut_asserteq(1, device_active(dev));
- ut_assertok(uclass_get_device(UCLASS_BUTTON, 2, &cmp));
- ut_asserteq_ptr(dev, cmp);
- ut_asserteq(-ENODEV, button_get_by_label("nobutton", &dev));
- return 0;
- }
- DM_TEST(dm_test_button_label, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test adc-keys driver */
- static int dm_test_button_keys_adc(struct unit_test_state *uts)
- {
- struct udevice *supply;
- struct udevice *dev;
- int uV;
- ut_assertok(uclass_get_device_by_name(UCLASS_ADC, "adc@0", &dev));
- ut_assertok(regulator_get_by_devname(SANDBOX_BUCK2_DEVNAME, &supply));
- ut_assertok(regulator_set_value(supply, SANDBOX_BUCK2_SET_UV));
- ut_asserteq(SANDBOX_BUCK2_SET_UV, regulator_get_value(supply));
- /* Update ADC plat and get new Vdd value */
- ut_assertok(adc_vdd_value(dev, &uV));
- ut_asserteq(SANDBOX_BUCK2_SET_UV, uV);
- /*
- * sandbox-adc returns constant value on channel 3, is used by adc-keys:
- * SANDBOX_ADC_CHANNEL3_DATA * SANDBOX_BUCK2_SET_UV / SANDBOX_ADC_DATA_MASK =
- * 0x3000 * 3300000 / 0xffff = 618759uV
- * This means that button3 and button4 are released and button5
- * is pressed.
- */
- ut_assertok(button_get_by_label("button3", &dev));
- ut_asserteq(BUTTON_OFF, button_get_state(dev));
- ut_assertok(button_get_by_label("button4", &dev));
- ut_asserteq(BUTTON_OFF, button_get_state(dev));
- ut_assertok(button_get_by_label("button5", &dev));
- ut_asserteq(BUTTON_ON, button_get_state(dev));
- return 0;
- }
- DM_TEST(dm_test_button_keys_adc, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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