gpio: search for gpio label if gpio is not found through bank name
dm_gpio_lookup_name() searches for a gpio through
the bank name. But we have also gpio labels, and it
makes sense to search for a gpio also in the labels
we have defined, if no gpio is found through the
bank name definition.
This is useful for example if you have a wp pin on
different gpios on different board versions.
If dm_gpio_lookup_name() searches also for the gpio labels,
you can give the gpio an unique label name and search
for this label, and do not need to differ between
board revisions.
Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
[trini: Don't enable by default]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/test/dm/gpio.c b/test/dm/gpio.c
index ecba566..fcee1fe 100644
--- a/test/dm/gpio.c
+++ b/test/dm/gpio.c
@@ -132,6 +132,15 @@
ut_assertok(dm_gpio_set_value(desc, 0));
ut_asserteq(0, dm_gpio_get_value(desc));
+ /* Check if lookup for labels work */
+ ut_assertok(gpio_lookup_name("hog_input_active_low", &dev, &offset,
+ &gpio));
+ ut_asserteq_str(dev->name, "base-gpios");
+ ut_asserteq(0, offset);
+ ut_asserteq(CONFIG_SANDBOX_GPIO_COUNT + 0, gpio);
+ ut_assert(gpio_lookup_name("hog_not_exist", &dev, &offset,
+ &gpio));
+
return 0;
}
DM_TEST(dm_test_gpio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);