@@ -127,7 +127,7 @@ static int gpio_find_and_xlate(struct gpio_desc *desc,
return ops->xlate ? ops->xlate(desc->dev, desc, args) : 0;
}
-static int dm_gpio_request(struct gpio_desc *desc, const char *label)
+int dm_gpio_request(struct gpio_desc *desc, const char *label)
{
struct udevice *dev = desc->dev;
struct gpio_dev_priv *uc_priv;
@@ -434,6 +434,18 @@ int gpio_request_list_by_name(struct udevice *dev, const char *list_name,
int flags);
/**
+ * dm_gpio_request() - manually request a GPIO
+ *
+ * Note: This function should only be used for testing / debugging. Instead.
+ * use gpio_request_by_name() to pull GPIOs from the device tree.
+ *
+ * @desc: GPIO description of GPIO to request (see dm_gpio_lookup_name())
+ * @label: Label to attach to the GPIO while claimed
+ * @return 0 if OK, -ve on error
+ */
+int dm_gpio_request(struct gpio_desc *desc, const char *label);
+
+/**
* gpio_get_list_count() - Returns the number of GPIOs in a list
*
* Counts the GPIOs in a list. See gpio_request_by_name() for additional
This function can be used for testing to manually request a GPIO for use, without resorting to the legacy GPIO API. Signed-off-by: Simon Glass <sjg@chromium.org> --- Changes in v3: None Changes in v2: None drivers/gpio/gpio-uclass.c | 2 +- include/asm-generic/gpio.h | 12 ++++++++++++ 2 files changed, 13 insertions(+), 1 deletion(-)