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gpio: sandbox: Add GPIOD_IS_AF for gpio configured in alternate function

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This allows to test if a pin's label if displayed using gpio_get_status()
when this pin is configured in alternate function.

Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
This commit is contained in:
Patrice Chotard
2022-08-30 14:09:14 +02:00
committed by Tom Rini
parent 2c38f7c318
commit f6f681642f
4 changed files with 39 additions and 0 deletions
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30
test/dm/gpio.c
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@@ -778,3 +778,33 @@ static int dm_test_gpio_get_values_as_int_base3(struct unit_test_state *uts)
}
DM_TEST(dm_test_gpio_get_values_as_int_base3,
UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Check that gpio_get_status return the label of a GPIO configured as GPIOD_AF */
static int dm_test_gpio_function(struct unit_test_state *uts)
{
struct gpio_desc desc;
struct udevice *dev;
ulong flags;
unsigned int offset, gpio;
char buf[80];
ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
ut_asserteq_str("a-test", dev->name);
/* request gpio_b 5 */
ut_assertok(gpio_request_by_name(dev, "test-gpios", 2, &desc, 0));
/* update gpio_b 5 function to GPIO_AF */
ut_assertok(dm_gpio_clrset_flags(&desc, GPIOD_IS_AF, GPIOD_IS_AF));
ut_assertok(dm_gpio_get_flags(&desc, &flags));
ut_asserteq(GPIOD_IS_AF, flags);
/* check using gpio_get_status that label is displayed for a pin with GPIO_AF function */
ut_assertok(gpio_lookup_name("b5", &dev, &offset, &gpio));
ut_assertok(gpio_get_status(dev, offset, buf, sizeof(buf)));
ut_asserteq_str("b5: func a-test.test-gpios2", buf);
ut_assertok(dm_gpio_free(dev, &desc));
return 0;
}
DM_TEST(dm_test_gpio_function,
UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);