diff options
| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2021-02-18 11:33:18 +0100 |
|---|---|---|
| committer | Neil Armstrong <narmstrong@baylibre.com> | 2021-02-18 11:37:26 +0100 |
| commit | 289d0ead2887af6b1c013a96cc2c85100e1e591c (patch) | |
| tree | ee4e378502d90c6c423a1fa7ff76688d02d8526e /test/dm/button.c | |
| parent | a638fba9fc77a2d6994671f5bb2afa3e730ff26f (diff) | |
test: add a simple test for the adc-keys button driver
Add adc-keys device to the sandbox/test.dts and connect it to the channel
#3 of the sandbox_adc driver. The default values sampled by sandbox_adc
driver determines that button3 and button4 are released and button5 is
pressed.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Diffstat (limited to 'test/dm/button.c')
| -rw-r--r-- | test/dm/button.c | 50 |
1 files changed, 48 insertions, 2 deletions
diff --git a/test/dm/button.c b/test/dm/button.c index ecaa47cf5f3..f8a7fab61d7 100644 --- a/test/dm/button.c +++ b/test/dm/button.c @@ -7,7 +7,10 @@ #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> @@ -17,11 +20,20 @@ static int dm_test_button_base(struct unit_test_state *uts) { struct udevice *dev; - /* Get the top-level device */ + /* 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)); - ut_asserteq(-ENODEV, uclass_get_device(UCLASS_BUTTON, 3, &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; } @@ -72,3 +84,37 @@ static int dm_test_button_label(struct unit_test_state *uts) 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); |