diff options
Diffstat (limited to 'roms/u-boot/test/dm/button.c')
| -rw-r--r-- | roms/u-boot/test/dm/button.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/roms/u-boot/test/dm/button.c b/roms/u-boot/test/dm/button.c new file mode 100644 index 000000000..f8a7fab61 --- /dev/null +++ b/roms/u-boot/test/dm/button.c @@ -0,0 +1,120 @@ +// 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); |