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test: dm: add a test for class button 

Add a test to confirm that we can read button state
using the button-gpio driver.

Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
This commit is contained in:
Philippe Reynes 2020-07-24 18:19:52 +02:00 committed by Simon Glass
parent a6c6f0f0c8
commit 1d310001dc
2 changed files with 75 additions and 0 deletions
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1
test/dm/Makefile
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@ -19,6 +19,7 @@ obj-$(CONFIG_ACPIGEN) += acpi_dp.o
obj-$(CONFIG_SOUND) += audio.o
obj-$(CONFIG_BLK) += blk.o
obj-$(CONFIG_BOARD) += board.o
obj-$(CONFIG_BUTTON) += button.o
obj-$(CONFIG_DM_BOOTCOUNT) += bootcount.o
obj-$(CONFIG_CLK) += clk.o clk_ccf.o
obj-$(CONFIG_DEVRES) += devres.o

74
test/dm/button.c Normal file
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@ -0,0 +1,74 @@
// 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 <button.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 device */
ut_assertok(uclass_get_device(UCLASS_BUTTON, 0, &dev));
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));
return 0;
}
DM_TEST(dm_test_button_base, DM_TESTF_SCAN_PDATA | DM_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, DM_TESTF_SCAN_PDATA | DM_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("summer", &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("christmas", &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("spring", &dev));
return 0;
}
DM_TEST(dm_test_button_label, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);