usb: dwc3-generic: Ensure reset GPIO is configured as an output
GPIOD_ACTIVE_LOW is not enough to configure a GPIO as an output, we need
GPIOD_IS_OUT as well.
Fixes: b252d79b0936d60b ("usb: dwc3: Add support to reset usb ULPI phy")
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
diff --git a/drivers/usb/dwc3/dwc3-generic.c b/drivers/usb/dwc3/dwc3-generic.c
index 66da5a8..35e4b36 100644
--- a/drivers/usb/dwc3/dwc3-generic.c
+++ b/drivers/usb/dwc3/dwc3-generic.c
@@ -105,7 +105,7 @@
if (CONFIG_IS_ENABLED(DM_GPIO) &&
device_is_compatible(dev->parent, "xlnx,zynqmp-dwc3")) {
priv->ulpi_reset = devm_gpiod_get_optional(dev->parent, "reset",
- GPIOD_ACTIVE_LOW);
+ GPIOD_IS_OUT | GPIOD_ACTIVE_LOW);
/* property is optional, don't return error! */
if (priv->ulpi_reset) {
/* Toggle ulpi to reset the phy. */